Technical Book Chapters

J. E. Weaver, L. Wang, F. L. de los Reyes III, and M. Barlaz. (2019) Systems and Methods for Studying Microbial Processes and Communities in Landfills, In Vol. 6. Understanding Terrestrial Microbial Communities, Advances in Environmental Microbiology. C. Hurst, ed., Elsevier. ISBN 978-3-030-10775-8

F. L. de los Reyes III (2010).  Chapter 8. Foaming.  In The Microbial Ecology of Activated Sludge.  R. J. Seviour and P. H. Nielsen (eds). pp. 215-258.  IWA Publishing, London.

M. Barlaz, B. F. Staley, and F. L. de los Reyes III. (2009).  Chapter 12.  Microbiology of Landfills.  In Environmental Microbiology,  R. Mitchell, ed. Wiley Publishers.

F. L. de los Reyes III (2009).  Chapter 59. Foam in Wastewater Treatment Facilities. In Handbook of hydrocarbon microbiology: microbial interactions with hydrocarbons, oils, fats and related hydrophobic substrates and products.  K. N. Timmis (ed.) Springer.

Refereed Journal Publications

David A. Holcomba,b, Ariel Christensena,c, Kelly Hoffmanb, Allison Leeb, A. Denene Blackwoodd, Thomas Clerkind, Angela Harrise, Nadine Kotlarzf, Helena Mitasovag,h, Stacie Recklingc,g, Francis L. de los Reyes IIIe, Jill R. Stewartb, Virginia T. Guidryc, Rachel T. Nobleb,d, Marc L. Serreb, Tanya P. Garciai,†, Lawrence S. Engela. Estimating Rates of Change to Interpret Quantitative Wastewater Surveillance of Disease Trends. Science of the Total Environment. 1016/j.scitotenv.2024.175687

Wang, L., J. Ducoste, and F. L. de los Reyes III. (2024) Revealing the causal relationship between microbial community and resilience of anaerobic co-digesters using a common garden approach. Applied and Environmental Microbiology.  0:e00298-24. https://doi.org/10.1128/aem.00298-24

Wang, L., E. Lee, M. Barlaz, and F. L. de los Reyes III. (2024) Linking microbial population dynamics in anaerobic bioreactors to food waste type and decomposition stage. Waste Management. 186, 77-85. https://doi.org/10.1016/j.wasman.2024.06.004

Smith, S.K., J. Weaver, J. J. Ducoste, and F. L. de los Reyes III. (2024) Microbial community assembly in engineered bioreactors. Water Research. https://doi.org/10.1016/j.watres.2024.121495

Pasha, ABMT, N. Kotlarz, D. Holcomb, S. Reckling, J. Kays, E. Bailey, V. T. Guidry, A. Christensen, S. Berkowitz, H. Mitasova, L. S. Engel, F. L. de los Reyes III, and A. Harris. (2024) Monitoring SARS-CoV-2 RNA in wastewater from a shared septic system and sub-sewershed sites to expand COVID-19 disease surveillance. Journal of Water and Health. https://doi.org/10.2166/wh.2024.303

Wang, D., J. J. Ducoste, and F. L. de los Reyes III. (2023) Microplate-Based Cell Viability Assay as a Cost-Effective Alternative to Flow Cytometry for Microalgae Analysis. Environmental Science and Technology. https://doi.org/10.1021/acs.est.3c05675

Almansa, X. F., R. Starostka, L. Raskin, G. Zeeman, F. L. de los Reyes III, J. Waechter, D. Yeh, T. Radu. (2023) Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities. Environmental Science and Technology.https://pubs.acs.org/doi/10.1021/acs.est.3c05291

Haq, A., A. Malik, A. Khan, J. E. Weaver, L. Wang, H. Khan, S. Khan, A. A. Shah, S. Ahmed, F. L. de los Reyes III and M. Badshah.(2023) Effect of removal of inhibitors on microbial communities and biogas yield of Jatropha curcas during continuous anaerobic digestion. Journal of Cleaner Production 426 (2023) 139154. https://doi.org/10.1016/j.jclepro.2023.139154

Smith, S. K., D. Capone, P. Chigwechokha, R. H. Holm, B. B. Risk, E. Tilley, J. Brown, F. L. de los Reyes III. (2023) Microbial community function and pathogen composition in pit latrines in peri-urban Malawi. PLOS Water 2(10): e0000171. https://doi.org/10.1371/journal.pwat.0000171.

Hoffman, K., David Holcomb, Stacie Reckling, Thomas Clerkin, Denene Blackwood, Rachelle Beattie, Francis de los Reyes, Angela Harris, Helena Mitasova, Nadine Kotlarz, Jill Stewart, Jacob Kazenelson, Larry Cahoon, Arthur Frampton, Mariya Munir, Allison Lee, Steven Berkowitz, Rachel Noble, Virginia T. Guidry, Lawrence Engel, Marc Serre senior author), Ariel Christensen (co senior author) (2023) Using Detrending to Assess SARS-CoV-2 Wastewater Loads as a Leading Indicator of Fluctuations in COVID-19 Cases at Fine Temporal Scales: Correlations Across Twenty Sewersheds in North Carolina. PLOS Water 2(10): e0000140. https://doi.org/10.1371/journal.pwat.0000140

Lai, Yi-Chun, J. J. Ducoste, F. L. de los Reyes III (2023). Growth of Dunaliella viridis in multiple cycles of reclaimed media after repeated high pH-induced flocculation and harvesting. Science of the Total Environment. Volume 891, 15 September 2023, 164087

Alcantara, N. R., Mendoza B. C., Sabino, N. G., Simbahan, J. F., Balatibat, J. B., de los Reyes, F. L. III and Hyman, M. R. (2023). Archaeal communities discovered in the phytotelmata of Nepenthes alata samples as revealed by high-throughput molecular sequencing analysis. International Journal of Agricultural Technology 19(2):355-370.

Ding, H., M. A. Barlaz, F. L. de los Reyes III, and D. F. Call. Influence of Inoculum Type on Volatile Fatty Acid and Methane Production in Short-Term Anaerobic Food Waste Digestion Tests. ACS Sustainable Chem. Eng. 2022, 10, 51, 17071–17080.https://doi.org/10.1021/acssuschemeng.2c04080

Tsai, J., N. Wilson, and F. L. de los Reyes III. (2022) Using Illustrated System Analysis for Qualitative Risk Assessment of Emptying of Pit Latrines. Frontiers in Environmental Science, 10:1033877. doi: 10.3389/fenvs.2022.1033877

Kotlarz, N., Holcomb D., Pasha, T., Reckling, S., Kays, J., Lai, Y-C., Daly, S., Palani, S., Bailey, E., Guidry, V., Christensen, A., Berkowitz, S., Hoppin, J., Mitasova, H., Engel, L. S., de los Reyes, F. L., Harris, A. (2022) Timing and trends for municipal wastewater, lab-confirmed case, and syndromic case surveillance of COVID-19 in Raleigh, North Carolina, USA. Accepted, American Journal of Public Health.

Wells, E.C., A. M. Vidmar, W. A. Webb, A. C. Ferguson, M. E. Verbyla, F. L. de los Reyes III, Q. Zhang, J. R. Mihelcic. (2022) Water and Sanitation Needs of Underbounded Communities. Environmental Science and Technology. 56, 16, 11180–11188. https://doi.org/10.1021/acs.est.2c03076

Chunga, B.A., D. Mkwambisi, C. L. Workman, F. L. de los Reyes III, R. H. Holm. Educating sanitation professions: Moving from STEM to specialist training in higher education in Malawi. Submitted to Waterlines. Accepted.

Al-Faliti, M., Nadine Kotlarz, Camille McCall, Angela Harris, Adam L. Smith, Lauren B. Stadler, Francis L. de los Reyes III, Jeseth Delgado Vela. (2022) Methodological insights using rates of change in SARS-CoV-2 wastewater loads and clinical surveillance: A comparison across four major metropolitan areas in the United States. Environmental Science and Technology: Water. https://doi.org/10.1021/acsestwater.2c00106

Maria Catherine B. Otero, Lyre Anni E. Murao, Mary Antoinette Limen, Paul Lorenzo A. Gaite, Michael G. Bacus, Joan T. Acaso, Kahlil Corazo, Ineke E. Knot, Homer Sajonia II, Francis L. de los Reyes III, Caroline Marie B. Jaraula, Emmanuel S. Baja, and Dann Marie N. Del Mundo. (2022) Wastewater-Based Epidemiology and Whole-Genome Sequencing for Community-Level Surveillance of SARS-CoV-2 in Selected Urban Communities of Davao City, Philippines: A Pilot Study. International Journal of Environmental Research and Public Health. 19, 8789. https://doi.org/10.3390/ijerph19148789

Harris, Angela; Fidan, Emine; Nelson, Natalie; Emanuel, Ryan; Jass, Theo; Kathariou, Sophia ; Niedermeyer, Jeffrey; Sharara, Mahmoud; de los Reyes III, Francis; Riveros-Iregui, Diego; Stewart, Jill. (2021). Microbial Contamination in Environmental Waters of Rural and Agriculturally-Dominated Landscapes Following Hurricane Florence. Environmental Science and Technology-Water, 1:9:2012-2019. https://doi.org/10.1021/acsestwater.1c00103

Portiolli, G., J. Tsai, T. W. Rogers, W. Beckwith, and F. L. de los Reyes III. (2021) Development and Optimization of Trash Exclusion for Mechanized Pit Latrine Emptying. Environmental Science: Water Research and Technology. 7:1714. DOI: 10.1039/d1ew00383f

McClary-Gutierrez, J.; Mattioli, M.; Marcenac, P.; Silverman, A.; Boehm, A.; Bibby, K.; Balliet, M.; de los Reyes III, F.; Gerrity, D.; Griffith, J.; Holden, P.; Katehis, D.; Kester, G.; LaCross, N.; Lipp, E.; Meiman, J.; Noble, R.; Brossard, D.; McLellan, S. (2021) SARS-CoV-2 Wastewater Surveillance for Public Health Action: Connecting Perspectives From Wastewater Researchers and Public Health Officials During a Global Pandemic. Preprints 2021, 2021040167 (doi: 10.20944/preprints202104.0167.v1). Accepted, Emerging Infectious Diseases.

Greene, N., S. Hennessy, T. W. Rogers, J. Tsai, and F. L. de los Reyes III. (2021) The role of emptying services in provision of safely managed sanitation: a classification and quantification of the needs of LMICs. Journal of Environmental Management. 290:112612.https://doi.org/10.1016/j.jenvman.2021.112612

Workman, C., Cairns, M., de los Reyes III F. L. and M., Verbyla. (2021) Global WaSH Approaches: Anthropological Contributions and Future Directions for Engineering. Environmental Engineering and Science. 38. https://doi.org/10.1089/ees.2020.0321

Capone, D., P. Chigwechokha, F. L. de los Reyes III, R. Holm, B. Risk, E. Tilley, and J. Brown. (2021) Impact of Fecal Sludge Depth on Pathogen Detection in peri-urban Malawi. PLoS Neglected Tropical Diseases. 15(3): e0009176. https://doi.org/10.1371/journal.pntd.0009176

Haq A, Khan A, Haji K, Khan S, Shah AA, Hasan F, Ahmed S, de los Reyes FL III, Badshah M. (2020) Enhancement of biogas yield during anaerobic digestion of Jatropha curcas seed by pretreatment and co-digestion with mango peels. Biomass Convers Biorefinery. 2020. doi:10.1007/s13399-020-01064-7

Bivins A, North D, Ahmad A, Ahmed W, Alm E, Been F, Bhattacharya P, Bijlsma L, Boehm A, Brown J, Buttiglieri G, Calabro V, Carducci A, Castiglioni S, Cetecioglu Gurol Z, Chakraborty S, Costa F, Curcio S, de los Reyes F, Delgado Vela J, Farkas K, Fernandez-Casi X, Gerba C, Gerrity D, Girones R, Gonzalez R, Haramoto E, Harris A, Holden P, Islam M, Jones D, Kasprzyk-Hordern B, Kitajima M, Kotlarz N, Kumar M, Kuroda K, La Rosa G, Malpei F, Mautus M, McLellan S, Medema G, Meschke J, Mueller J, Newton R, Nilsson D, Noble R, van Nuijs A, Peccia J, Perkins T, Pickering A, Rose J, Sanchez G, Smith A, Stadler L, Stauber C, Thomas K, van der Voorn T, Wigginton K, Zhu K, Bibby K. Wastewater-Based Epidemiology: Global Collaborative to Maximize Contributions in the Fight Against COVID-19. Environmental Science & Technology. 2020 June 12; 54(13):7754-7757. Available from: https://pubs.acs.org/doi/10.1021/acs.est.0c02388 DOI: 10.1021/acs.est.0c02388

Hao, J., F. L. de los Reyes III, and X. He. Fat, oil, and grease (FOG) deposits yield higher methane than FOG in anaerobic co-digestion with waste activated sludge. Journal of Environmental Management, 268, 110708. https://doi.org/10.1016/j.jenvman.2020.110708

Eslamiamirabadi, M., Burton, J.D., de los Reyes III, F.L., and J. Ducoste (2020). Assessment of Alternative Herbicides for Residential Sewer Root Intrusion Treatment and their Effect on Downstream Nitrification. Journal of Environmental Management. 258, 110058. https://doi.org/10.1016/j.jenvman.2019.110058

Wu, J., F. L. de los Reyes III, and J. J. Ducoste (2020). Modeling cell aggregate morphology during aerobic granulation in activated sludge processes shows the combined effect of substrate and shear. Water Research. 170:115384. https://doi.org/10.1016/j.watres.2019.115384

Lai, Y-C., A. Karam, H. Sederoff, J. Ducoste, F. L. de los Reyes III (2019). Growth and lipid accumulation of Dunaliella viridis in a lab-scale photobioreactor with continuous light monitoring. Journal of Applied Phycology. https://doi.org/10.1007/s10811-019-01897-4

Wang, D., Y-C. Lai, A. Karam, F. L. de los Reyes, and J. J. Ducoste (2019). Dynamic Modeling of Microalgae Growth and Lipid Production under Transient Light and Nitrogen Conditions. Environmental Science and Technology. http://dx.doi.org/10.1021/acs.est.9b02908

Wang, L., E. Hossen, T. Aziz, J. Ducoste, and F. L. de los Reyes III (2019) Increased loading leads to convergence of microbial communities and high performance in adapted anaerobic co-digesters. Water Research. 169, 115155. https://doi.org/10.1016/j.watres.2019.115155

Wu L, Ning D, Zhang B, Li Y, Zhang P, Shan X, Zhang Q, Brown M, Li Z, Van Nostrand JD, Ling F, Xiao N, Zhang Y, Vierheilig J, Wells GF, Yang Y, Deng Y, Tu Q, Wang A, Acevedo D, Agullo-Barcelo M, Andersen GL, de Araujo JC, Boehnke K, Bond P, Bott CB, Bovio P, Brewster RK, Bux F, Cabezas A, Cabrol L, Chen S, Etchebehere C, Ford A, Frigon D, Gómez JS, Griffin JS, Gu AZ, Habagil M, Hale L, Hardeman SD, Harmon M, Horn H, Hu Z, Jauffur S, Johnson DR, Keucken A, Kumari S, Leal CD, Lebrun LA, Lee J, Lee M, Lee ZMP, Li M, Li X, Liu Y, Luthy RG, Mendonça-Hagler LC, de Menezes FGR, Meyers AJ, Mohebbi A, Oehmen A, Palmer A, Parameswaran P, Park J, Patsch D, Reginatto V, de los Reyes FL, Robles AN, Rossetti S, Sidhu J, Sloan WT, Smith K, de Sousa OV, Stephens K, Tian R, Tooker NB, De los Cobos Vasconcelos D, Wakelin S, Wang B, Weaver JE, West S, Wilmes P, Woo S-G, Wu J-H, Wu L, Xi C, Xu M, Yan T, Yang M, Young M, Yue H, Zhang Q, Zhang W, Zhang Y, Zhou H, Zhang T, He Z, Keller J, Nielsen PH, Alvarez PJJ, Criddle CS, Wagner M, Tiedje JM, He Q, Curtis TP, Stahl DA, Alvarez-Cohen L, Rittmann BE, Wen X and Zhou J. Global diversity and biogeography of bacterial communities in wastewater treatment plants. Nature Microbiology 4, 1183–1195 (2019) doi:10.1038/s41564-019-0426-5.

Weaver, J., J.C. Williams, J. Ducoste, and F. L. de los Reyes III (2019). Measuring the shape and size of activated sludge particles immobilized in agar with an open source software pipeline. Journal of Visualized Experiments. e58963, doi:10.3791/58963

Weaver, J., H. Hong, J. Ducoste, and F. L. de los Reyes III (2018) Controlling floc size using Couette bioreactors. Water Research. 147:177-183.

Karam, A., F. L. de los Reyes III, and J. Ducoste (2018) Development and Validation of Photochemical Microsensors for Evaluating Light Dose Distributions within Microalgal Photobioreactors. Environmental Science and Technology. 52 (21) 12538-12545. DOI: 10.1021/acs.est.8b02056

Cheng, Q., F. L. de los Reyes III, and D. F. Call (2018) Amending Anaerobic Bioreactors with Pyrogenic Carbonaceous Material: The Influence of Material Properties on Methane Generation. Environmental Science:Water Research and Technology. DOI: 10.1039/c8ew00447a

Staley, B. F., F. L. de los Reyes III, L. Wang, and M. A. Barlaz (2018) Microbial Ecological Succession During Municipal Solid Waste Decomposition. Applied Microbiology and Biotechnology. 102:13, 5731-5740. DOI: 10.1007/s00253-018-9014-5

Hurley, J. F., X. He, L. Wang, and F. L. de los Reyes III (2018) Effects of Kenaf Addition on Performance of Lab-Scale Aerobic Sequencing Batch Reactors. Accepted. Environmental Science: Water Research and Technology. DOI: 10.1039/c7ew00548b

He, X., F. L. de los Reyes III, and J. J. Ducoste. (2017) A critical review of fat, oil, and grease (FOG) in sewer collection systems: challenges and control. Critical Reviews in Environmental Science and Technology. 47:13, 1191-1217. DOI: 10.1039/c7ew00548b

Karam, A., McMillan, C., Lai, Y-C., de los Reyes III, F. L., Ducoste, J., Sederoff, H., Grunden, A., Ranjithan, R., and Levis, J. (2017) Construction and operation of a bench-scale algal photosynthetic bioreactor with continuous temperature, light, and pH monitoring for kinetic growth tests. Submitted to Journal of Visual Experiments. 124, e55545, doi:10.3791/55545.

Chipeta, W., R. Holm, J. Kamanulab, E. Mtonga, and F. L. de los Reyes III (2017) Designing Local Solutions for Pit Emptying in Low-Income Urban Settlements (Malawi). Physics and Chemistry of the Earth. http://dx.doi.org/10.1016/j.pce.2017.02.012

Sisco, T., T. Rogers, W. Beckwith, W. Chipeta, R. Holm, C. A. Buckley, and F. L. de los Reyes III (2017) Trash Removal Methods for Improved Mechanical Emptying of Pit Latrines Using a Screw Auger. Journal of Water, Sanitation, and Hygiene for Development. 7(1): 85-91. doi: 10.2166/washdev.2017.106

Chiposa, R., R. H. Holm, C. Munthali, R. C. G. Chidya, and F. L. de los Reyes III (2017) Characterization of pit latrines in peri-urban areas for design and selection of emptying tools Mzuzu, Malawi. Journal of Water, Sanitation, and Hygiene for Development. 7(1): 151-155. doi: 10.2166/washdev.2017.096

Cubbage, L., P. A. Pitt, A. L. Stone, X. He, and F. L de los Reyes III (2017). Steam Application for Destroying Foam-Forming Filaments in Activated Sludge. Accepted, ASCE Journal of Environmental Engineering. DOI: 10.1061/(ASCE)EE.1943-7870.0001183

Nguyen, V., X. He, and F. L. de los Reyes III (2016). Determining In Situ Growth Rate of a Filament in Activated Sludge. FEMS Microbiology Letters. 363 (22): doi: 10.1093/femsle/fnw255

He, X., M. J. So, and F. L. de los Reyes III (2016). Shifts in Microbial Community During Bioaugmentation of Grease Interceptors Removing Fat, Oil, and Grease. Applied Microbiology and Biotechnology, 100 (16): 7025-7035. doi.org/10.1007/s00253-016-7398-7

Thompson, G., D. A. Libera, F. L. de los Reyes III, and L-A. Jaykus (2015). Aerosolization of a Human Norovirus Surrogate, Bacteriophage MS2, during Simulated Vomiting. PLoS One, Published: August 19, 2015. DOI: 10.1371/journal.pone.0134277

Baculi, R. Q., N. B. Lantican, F. L. de los Reyes III, and A. K. Raymundo (2015). Prokaryotic Community Analysis of a Hyperalkaline Spring in the Philippines as Determined from 16S rDNA Clone Library. Phil. Journal of Science, 44 (1): 7-18.

de los Reyes, F. L. III, Joseph Weaver, and Ling Wang (2015). A Methodological Framework for Linking Bioreactor Function to Microbial Communities and Environmental Conditions. Current Opinion in Biotechnology, 33: 112-118. doi.org/10.1016/j.copbio.2015.02.002

Mota, C. R., M. A. Head, J. C. Williams, L. Eland, J. J. Cheng, and F. L. de los Reyes III (2014). Structural Integrity Affects Nitrogen Removal Activity of Granules in Semi-Continuous Reactors. Biodegradation, 25: 923-934

Rogers, T. W., F. L. de los Reyes III, W. J. Beckwith, and R. C. Borden (2014).  Power Earth Auger Modification for Waste Extraction from Pit Latrines. Journal of Water, Sanitation, and Hygiene for Development, 4:72-80.

He, X., F. L. de los Reyes III, M. P. Leming, L. O. Dean, S. Lappi, and J. J. Ducoste (2013). Mechanisms of FOG Deposit Formation in Sewer Lines. Water Research, 47:4451-4459.

Wang, L., T. N. Aziz, and F. L. de los Reyes III (2013). Determining the Limits of Anaerobic Co-Digestion of Waste Activated Sludge with Grease Interceptor Waste. Water Research, 47: 3835-3844.

Mota, C. R., M. J. So, and F. L. de los Reyes III (2012). Identification of Nitrite-Reducing Bacteria Using Sequential mRNA Fluorescence in Situ Hybridization and Fluorescence-Assisted Cell Sorting. Microbial Ecology, 64: 256-267.

Zhang, S. and F. L. de los Reyes III (2012).  Effect of Penicillin on Nitrite Oxidizing Bacteria in Activated Sludge. Applied Biochemistry and Biotechnology, 166: 1983-1990.

Long, H., T. Aziz, F. L. de los Reyes III, and J. J. Ducoste (2012).  Anaerobic co-digestion of Fat, Oil, and Grease (FOG):  A Review of Gas Production and Process Limitations. Process Safety and Environmental Management, 90: 231-245.

Staley, B. F., F. L. de los Reyes III, and M. A. Barlaz (2012). Comparison of Bacteria and Archaea communities in mixed refuse, individual refuse components and leachate. FEMS Microbiology Ecology, 79: 465-473.

He, X., and F. L. de los Reyes III (2012).  Physico-Chemical Characterization of Grease Interceptors with and without Biological Product Addition. Water Environment Research, 84: 195-201.

He, X., M. Iasmin, L. Dean, S. Lappi, J. J. Ducoste and F. L. de los Reyes III (2011).  Evidence for How Fat, Oil, and Grease (FOG) Deposits Form in Sewer Lines.  Environmental Science and Technology, 45(10): 4385-4391.

Staley, B. F., F. L. de los Reyes III, and M. A. Barlaz (2011).  The Effect of Spatial Differences in Microbial Activity, pH and Substrate Levels on Methanogenesis Initiation in Refuse. Applied and Environmental Microbiology, 77(7): 2381-2391.

Staley, B. F., P. E. Saikaly, F. L. de los Reyes III, and M. A. Barlaz (2011). Critical Evaluation of Solid Waste Sample Processing for DNA-based Microbial Community Analysis. Biodegradation, 22(1): 189-204.

Lantican, N.C., M.G.Q. Diaz, J.J. L. Cantera, F. L. de los Reyes III, and A. K. Raymundo (2011). Microbial Community of a Volcanic Mudspring in the Philippines, as Revealed by 16S rRNA Gene Sequence Analysis and Fluorescence In Situ Hybridization. World Journal of Microbiology and Technology, 27 (4): 859-867.

Saikaly, P. E., K. Hicks, M. A. Barlaz, and F. L. de los Reyes III.  (2010). Transport Behavior of Surrogate Biological Warfare Agents in a Simulated Landfill: Effect of Leachate Recirculation and Water Infiltration. Environmental Science and Technology, 44: 8622-8628.

de los Reyes III, F. L. (2010). Challenges in Determining Causation in Structure-Function Studies using Molecular Techniques. Water Research, 44: 4948-4957.

Bright, T. M., W. Hunt, F. L. de los Reyes III, and M. Burchell (2010).  Impact of Stormwater Runoff on Clogging and Fecal Bacteria Reduction in Sand Columns. ASCE J. Environmental Engineering, 136: 1435-1441.

Gulez, G. and F. L. de los Reyes III (2009).  Multiple Approaches to Assess Filamentous Growth in Activated Sludge under Different Carbon Source Conditions. Journal of Applied Microbiology, 106: 682-691.

Lou, I. C. and F. L. de los Reyes III (2008), Clarifying the Roles of Kinetics and Diffusion in Activated Sludge Filamentous Bulking. Biotechnology and Bioengineering, 101 (2): 327-336.

Saikaly, P. E., M. A. Barlaz, F. L. de los Reyes III (2007). Detection and Quantification of Surrogate Biological Warfare Agents in Building Debris and Leachate using Quantitative Real-Time PCR. Applied and Environmental Microbiology. 73 (20): 6557-6565.

Williams, J. C. and F.L. de los Reyes III(2006), Microbial Community Structure of Activated Sludge during Aerobic Granulation in an Annular Gap Bioreactor.  Water Science and Technology, 54 (1): 139–146.

Mota, C. R., M. Head, J. Ridenoure, J. Cheng, and F. L. de los Reyes III (2005). Effects of Aeration Cycles on Nitrifying Bacterial Populations and Nitrogen Removal in Intermittently Aerated Reactors. Applied and Environmental Microbiology. 71 (12):8565-8572.

Lou, I. C. and F. L. de los Reyes III (2005).  Substrate Uptake Tests and Quantitative FISH Show Differences in Kinetic Growth of Filaments and Floc-Formers in Activated Sludge.  Biotechnology and Bioengineering. 92 (6):729-739.

Mota, C. R., J. Ridenoure, J. Cheng, and F. L. de los Reyes III (2005). High Levels of Nitrifying Bacteria in Intermittently Aerated Reactors Treating High Ammonia Wastewater.  FEMS Microbiology Ecology. 54 (3):391-400.

Keith, J. L., J. G. Boyer, and F. L. de los Reyes III (2005), Changes in the rRNA Levels of Specific Microbial Groups in Activated Sludge during Sample Handling and Storage.  Letters in Applied Microbiology. 41 (2): 208-215.

Lou, I. C. and F. L. de los Reyes III (2005), Integrating Decay, Storage, Kinetic Selection, and Filamentous Backbone Factors in a Bacterial Competition Model, Water Environment Research, 77(3): 287-296.

Angenent, L. T., F. L. de los Reyes, D. B. Oerther, and K. McMahon (2005), Molecular Methods in Biological Systems.  Water Environment Research. September/October. 77 (6). 718-779.

Liao, J., I. Lou, and F. L. de los Reyes III (2004), Relationship of Species-Specific Filament Levels to Filamentous Bulking in Activated Sludge, Applied and Environmental Microbiology. 70 (4): 2420-2428.

de los Reyes, F. L., D. B. Oerther, and L. Angenent (2004), Molecular Methods in Biological Systems.  Water Environment Research. September/October. 76 (6). 605-667.

de los Reyes, F. L., D. B. Oerther, and L. Angenent (2003), Molecular Methods in Biological Systems.  Water Environment Research. September/October. 75 (5). 65-139.

de los Reyes, F. L. III and L. Raskin (2002), Microbial Communities in Foaming and Non-Foaming Full-Scale Activated Sludge Systems. Water Environment Research. 74 (5): 437-449.

Doby, T. A., D. H. Loughlin, F. L. de los Reyes III, and J. J. Ducoste (2002), Optimization of Activated Sludge Designs Using a Genetic Algorithm. Water Science and Technology. 45 (6): 187-198.

de los Reyes, F. L. III and L. Raskin (2002), The Role of Filamentous Microorganisms in Activated Sludge Foaming:  Relationship of Mycolata Levels to Foaming Formation and Stability. Water Research. 36 (2): 445-459.

Oerther, D.B. and F. L. de los Reyes III (2002),  Molecular Methods in Biological Systems.  Water Environment Research. July/August. 74(5). 71-105.

Oerther, D. B., F.L. de los Reyes III, M.F. de los Reyes, and L. Raskin (2001), Quantifying Filamentous Microorganisms in Activated Sludge Before, During, and After an Incident of Foaming by Oligonucleotide Probe Hybridizations and Antibody Staining. Water Research. 35 (14): 3325-3336.

Oerther, D.B. and F. L. de los Reyes III (2001), Molecular Methods in Biological Systems.  Water Environment Research. September/October. 73 (5). 116-150.

Oerther, D. B., F. L. de los Reyes III, M. Hernandez, and L. Raskin (1999), Simultaneous Oligonucleotide Probe Hybridization and Immunostaining for In Situ Detection of Gordona species in Activated Sludge.  FEMS Microbiology Ecology. 29: 129-136.

Oerther, D. B., F. L. de los Reyes III, and L. Raskin (1999), Interfacing Phylogenetic Oligonucleotide Probe Hybridizations with Representations of Microbial Populations and Specific Growth Rates in Mathematical Models of Activated Sludge Processes. Water Science and Technology. 39 (1):11-20.

de los Reyes, M.F., F.L. de los Reyes III, M. Hernandez, and L. Raskin (1998),  Quantification of Gordona amarae Strains in Foaming Activated Sludge and Anaerobic Digester Systems Using Phylogenetic Hybridization Probes. Applied and Environmental Microbiology. 64 (7):2503-2512.

de los Reyes, F.L. III, M.F. de los Reyes, M. Hernandez, and L. Raskin (1998), Characterization of Filamentous Foaming in Activated Sludge Systems Using Oligonucleotide Hybridization Probes and Antibody Probes. Water Science and Technology. 37 (4-5):485-493.

de los Reyes, F.L. III, W. Ritter, and L. Raskin (1997), Group-Specific Small Subunit Hybridization Probes to Characterize Filamentous Foaming in Activated Sludge Systems. Applied and Environmental Microbiology. 63 (3):1107-1117.

Essays in Popular Science Books/ Other Articles (not refereed; Philippine Star articles appear in the Star Science columns, a weekly science column in the Phil. Star, one of the major dailies in the Philippines; circulation of 251,000 daily, www.philstar.com)

  1. Barlaz, M. and F. L. de los Reyes III. MSW and COVID19. The Hill. August 25, 2020. https://thehill.com/opinion/healthcare/510717-covid-19-are-we-safe-from-our-own-trash?rnd=1596662526
  2. de los Reyes, F. L. (2015). Just another shitty day- Adventures of a fecal sludge scientist. Medium.com, Feb. 2015.
  3. de los Reyes, F. L. (2013).  Ethics in publishing: Authorship. Philippine Star, May, 2013.
  4. de los Reyes, F. L. (2012).  The challenge of dealing with human fecal matter. Philippine Star, December 20, 2012.
  5. de los Reyes, F. L. (2012). How to raise a scientist.  Philippine Star, August 2, 2012.
  6. de los Reyes, F. L. (2012). Environmental science in service of the poor: The science behind Green Kalinga.  Philippine Star, January 26 and Feb. 2, 2012.
  7. de los Reyes, F. L. (2012). Speech at the Philippine Science High School Honors Convocation.  Philippine Star, January 12 and 19, 2012.
  8. de los Reyes, F. L. (2011). Sustainable Sanitation for the Urban Poor. Water Leader, Issue 3, pp. 26-27. Institute of Water Policy, National University of Singapore.
  9. de los Reyes, F. L. (2011). This unscientific age? Philippine Star, February 10, 2011.
  10. de los Reyes, F. L. (2010). 10,000 hours of practicing science.  Philippine Star, August 28, 2010. Also In Selected Essays on Science and Technology for Securing a Better Philippines (2013) G. Padilla-Concepcion, ed. Volume 2.  pp. 84-86. University of the Philippines Press, Quezon City.
  11. de los Reyes, F. L. and Mia C. de los Reyes (2010). BP Oil Spill: By the numbers.  Philippine Star, August 5, 2010. Also In Selected Essays on Science and Technology for Securing a Better Philippines, G. Padilla-Concepcion (2013), ed. Volume 2.  pp. 182-183. University of the Philippines Press, Quezon City.
  12. de los Reyes, F. L. (2010).  A hitchhiker’s guide to a warming earth. Philippine Star, June 16, 2010. Also In Selected Essays on Science and Technology for Securing a Better Philippines (2013), G. Padilla-Concepcion, ed. Volume 2.  pp. 198-200. University of the Philippines Press, Quezon City.
  13. de los Reyes, F. L. (2010). The successful scientist’s “non-scientific” skills. Philippine Star, April 15, 2010. Also In Selected Essays on Science and Technology for Securing a Better Philippines (2013), G. Padilla-Concepcion, ed. Volume 2.  pp. 79-80. University of the Philippines Press, Quezon City.
  14. de los Reyes, F. L. (2010). The science of pink public urinals. Philippine Star, February 11, 2010. Also In Selected Essays on Science and Technology for Securing a Better Philippines (2013), G. Padilla-Concepcion, ed. Volume 2.  pp. 194-195. University of the Philippines Press, Quezon City.
  15. de los Reyes, F. L. (2009). Resilience. Philippine Star, November 26, 2009. Also In Selected Essays on Science and Technology for Securing a Better Philippines (2013), G. Padilla-Concepcion, ed. Volume 2.  pp. 190-193. University of the Philippines Press, Quezon City.
  16. de los Reyes, F. L. (2009). Waging war against nature: the folly of engineering without understanding. Philippine Star, October 15, 2009. Also In Selected Essays on Science and Technology for Securing a Better Philippines, G. Padilla-Concepcion (2013), ed. Volume 2.  pp. 196-197. University of the Philippines Press, Quezon City.
  17. de los Reyes, F. L. and J. DeCarolis (2009).  Calculating the Environmental Impact of Human Activity. Philippine Star, October 29, and November 5, 2009. Also In Science Philippines: Essays on Science (2013), G. Padilla-Concepcion, ed. Volume 2.  pp. 184-186. University of the Philippines Press, Quezon City.
  18.  de los Reyes, F. L. (2008). Reflections of a Balik-Scientist. Philippine Star, August 21, 2008.
  19. de los Reyes, F. L. (2008). A Summary of New Molecular Microbial Ecology Tools. Philippine Star, May 22/29, 2008. (two-part series).
  20. de los Reyes, F. L. (2008). Advice to the Young Filipino Scientist. Philippine Star, April 10, 2008.
  21. F. L. de los Reyes III.  (2008).  How good microorganisms clean our wastes: What happens when you flush? In Selected Essays on Science and Technology for Securing a Better Philippines, G. Padilla-Concepcion, E. Padlan and C. Saloma, editors. Volume 2.  pp. 374-377. University of the Philippines Press, Quezon City.
  22. Head, M. A., J. A. Ridenoure, C. R. Mota, F. L. de los Reyes III, and J. J. Cheng (2005).  Intermittent Aeration for Nitrogen Removal from Swine Wastewater.  Industrial Wastewater. August/September. 4 (4). 9-12.

Peer Reviewed Conference Papers with Proceedings (underlined author is presenter)

Smith, S. and L. de los Reyes III. Microbial community composition and assembly in anaerobic co-digestion of food waste. 18thIWA World Conference on Anaerobic Digestion. June 2-6, 2024. Istanbul Turkey.

Palani, S. and L. de los Reyes III. What is the minimal microbial consortium that can effectively anaerobically degrade oleic acid? 18th IWA World Conference on Anaerobic Digestion. June 2-6, 2024. Istanbul Turkey.

Almansa, X. , R. Starostka, L. Raskin, G. Zeeman, F. de los Reyes III, J. Waechter, D. Yeh, and T. Radu. Anaerobic Digestion as a Core Technology in Addressing the Global Sanitation Crisis: Challenges and Opportunities. 18th IWA World Conference on Anaerobic Digestion. June 2-6, 2024. Istanbul Turkey.

Workman, C. L., F. L. de los Reyes III, J. Tsai, E. Atsugah, A. Rasheed, E. Mann. Understanding the gendered dynamics of household fecal sludge management, technology use and women in the sanitation sector in Tamale, Ghana 1st IWA Non-Sewered Sanitation Conference. October 15-18, 2023. Johannesburg, South Africa.

Glickman, S., J. Shaw, N. Greene, S. Hennessy, T. Rogers, J. C. Tsai, and L. de los Reyes III. Decision Analysis as a Tool for Improving the Business Case of a Sanitation Technology. 1st IWA Non-Sewered Sanitation Conference. October 15-18, 2023. Johannesburg, South Africa.

F. L. de los Reyes III, J. C. Tsai, S. Hennessy, N. Greene, T. Rogers, W. Beckwith. The Valley of Death for an Innovative Sanitation Technology. 1st IWA Non-Sewered Sanitation Conference. October 15-18, 2023. Johannesburg, South Africa.

Smith, S., L. de los Reyes III, B. Risk, E. Holm, E. Tilley, P. Chigwechokha, D. Capone, J. Brown. Depth matters for microbial community function and pathogen composition in pit latrines in peri-urban Malawi. 1st IWA Non-Sewered Sanitation Conference. October 15-18, 2023. Johannesburg, South Africa.

Smith, S., L. de los Reyes III. Microbial community assembly processes vary across a range of waste and wastewater treatment systems. 2023 Microbial Ecology and Water Engineering Specialist Conference. International Water Association, Brisbane, Australia, Sept. 10-14, 2023.

Guertin, E., and F. L. de los Reyes III. Developing a Robust and Resilient Anaerobic Digestion Process for Co-Digestion of Food Waste and Municipal Solid Waste. WEF/IWA Residuals and Biosolids Conference. May 16-19, 2022, Charlotte, NC.

Guertin, E., M. Barlaz, and F. L. de los Reyes III. How do shifts in the types of food waste inputs to anaerobic co-digesters affect performance and microbial communities? 17th IWA World Congress on Anaerobic Digestion. June 19-23, 2022, Ann Arbor, MI.

Falterman, D., S. Smith, E. Bailey, L. de los Reyes III. Anaerobic co-digestion of thermally hydrolyzed combinations of biosolids and grease interceptor waste for intensifying methane production. 17th IWA World Congress on Anaerobic Digestion. June 19-23, 2022, Ann Arbor, MI.

Weaver, J. E., J. Ducoste, and F. L. de los Reyes III. Implementing a Single Modeling Approach that Combines Computational Fluid Dynamics (CFD), Biokinetics, Micro-floc Scale Diffusion, and Particle Sizes. 94th Water Environment Federation Annual Conference and Exposition (WEFTEC 2021), Chicago, IL. 2021.

Mattingly, A., and F. L. de los Reyes III. Does Bioaugmentation of Aerated Stabilization Basins Work? Lessons From Field Scale Trials With a Control. 94th Water Environment Federation Annual Conference and Exposition (WEFTEC 2021), Chicago, IL. 2021.

Capone, D., J. Brown, E. Tilley, R. Holm, P. Chigwechokha, and F. L. de los Reyes III. Detecting enteric pathogens in fecal sludge: does depth within the pit matter? 1st IWA Non-Sewered Sanitation Conference. Pretoria, South Africa. July 2020.

Polli, E., K. Bilyk, W. Khunjar, T. Aziz, and F. L. de los Reyes III. Exploring the conversion of tertiary denitrification to mainstream deammonification: Pilot scale filter results and challenges. 93rd Water Environment Federation Annual Conference and Exposition (WEFTEC 2016), Chicago, IL, Oct. 2019.

Wang, L., E. Hossen, T. N. Aziz, J. Ducoste, and F. L. de los Reyes III. Co-occurrence analysis reveals the role of core and rare species in anaerobic bioreactors. IWA Microbial Ecology and Water Engineering and Biofilms Specialist Conference. Sept. 4-7, 2016. Copenhagen, Denmark.

Weaver, J. E., J. Ducoste, and F. L. de los Reyes III. Shear Variation Potentially Plays a role in Aerobic Granulation. 90th Water Environment Federation Annual Conference and Exposition (WEFTEC 2016), New Orleans, LA. Oct. 2016.

Call, D. F.; Cheng, Q.; Murray, C. C.; Tavares, V. L.; de los Reyes, F. L. Accelerating methane generation rates in anaerobic digesters with electrically conductive materials. 89th Water Environment Federation Technical Exhibition and Conference (WEFTEC). New Orleans, LA. September 28, 2016.

Rogers, T. W., W. Beckwith, T. E. Sisco, and F. L. de los Reyes III. Modified Earth Auger for Pit Latrine Desludging in Developing Countries. 89th Water Environment Federation Annual Conference and Exposition (WEFTEC 2015), Chicago, IL. Sept. 2015. Accepted.

Wang, L., E. Hossen, T. N. Aziz, J. Ducoste, and F. L. de los Reyes III. Who’s Doing All the Work? Using 16S Metagenomics to Determine Microbial Population Shifts Associated with a 336% Boost in Methane Yield During Anaerobic Co-Digestion. 89th Water Environment Federation Annual Conference and Exposition (WEFTEC 2015), Chicago, IL. Sept. 2015. Accepted.

Manavi, R., F. L. de los Reyes, J. Levis, R. Ranjithan, and J. Ducoste. Coupling fluid dynamics with kinetic modeling to quantify the effects of photosynthetic bioreactor design and operation on yield performance (2015). 249th ACS National Meeting. Denver, CO. March 22-26,

Sisco, T. E., T. Rogers, W. Beckwith, and F. L. de los Reyes III (2015). The Excrevator for Pit Emptying: Lab Tests and Field Studies. HumTech 2015, Boston, MA. May 12-14, 2015.

Wang, L., E. Hossein, T. N. Aziz, J. Ducoste, M. Bullard, and F. L. de los Reyes III (2014).  Pulse Feeding of Anaerobic Digesters to Increase Community Resistance.  IWA Biennial Conference, Lisbon, Portugal.  September 2014.

Wang, L., E. Hossein, T. N. Aziz, J. Ducoste, M. Bullard, and F. L. de los Reyes III (2013). Creating Resilient Anaerobic Co-Digestion Reactors, 86th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), Chicago, IL.  Oct. 2013.

Hurley, F. J. and F. L. de los Reyes III (2013). Effect of Kenaf on Performance of Activated Sludge Reactors. 86th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), Chicago, IL.  Oct. 2013.

Kopf, K. and F. L. de los Reyes III (2012). Quantification of the Denitrification Genes nosZ and nirS in a Full Scale Wastewater Treatment Plant Using qPCR, 85th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), New Orleans, LA.  Oct. 2012.

Karami, B., J. J. Ducoste, and F. L. de los Reyes III (2012). Aerobic Granulation can be Induced by Shear Variability, 85th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), New Orleans, LA.  Oct. 2012.

Wang, L., T. N. Aziz, J. J. Ducoste, and F. L. de los Reyes III (2012) Anaerobic Co-Digestion of Sewage Sludge with Grease Trap Waste, 85th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), New Orleans, LA.  Oct. 2012.

So, M. J,. and F. L. de los Reyes III (2012) Who’s Doing What in Activated Sludge: Relating microbial function to identity using a novel molecular method, 85th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), New Orleans, LA.  Oct. 2012.

He, X.,  F. L. de los Reyes III, and J. J. Ducoste (2012) Mechanisms of Fat, Oil, and Grease (FOG) Deposit Formation in Sewer Lines, 85th Water Environment Federation Annual Conference and Exposition (WEFTEC 2012), New Orleans, LA.  Oct. 2012.

*Sobremisana, A., F. L. de los Reyes III and J. J. Ducoste (2011) Combined CFD, Floc Aggregation, and Microbial Growth Kinetics Modeling for Carbon and Nitrogen Removal.  84th Water Environment Federation Annual Conference and Exposition (WEFTEC 2011), Los Angeles, CA.  Oct. 2011.

*He, X., and F. L. de los Reyes III (2010) Microbial Ecology of Grease Interceptors for Removing Fats, Oils, and Grease (FOG) in Sewer Lines.  83rd Water Environment Federation Annual Conference and Exposition (WEFTEC 2010), New Orleans, LA.  Oct. 2-6, 2010.

de los Reyes III, F. L., M. J. So,  M. Johnson, L. D. le Roux (2010) Microbial Structure-Function Analysis of a Full Scale Biotrickling Filter for Treating Municipal WWTP Odors. International Water Association Leading Edge Technology Conference, Phoenix, AZ.  June 2-4, 2010.

de los Reyes III, F. L.  (2010) Analyzing the assumptions of structure-function studies using molecular biological techniques: challenges in determining causation.  IWA Water Research Conference, Lisbon, Portugal.  April 11-14.

de los Reyes III, F. L.  (2010) Integrating mathematical modeling and ‘molecular’ measurements of microbial biomass and in situ growth rates of filaments in activated sludge. IWA Water Research Conference, Lisbon, Portugal.  April 11-14.

Saquing, C., Saquing, J., de los Reyes, F. L., and S. A. Khan (2008) Surfactant-Assisted Electrospun Metal Nanoparticle-Polysaccharide Based Polymer Blend Nanofibers for Biomedical Applications.  American Institute of ChE Annual Conference, Philadelphia, PA. Nov. 16-21, 2008.

*Nguyen, V. and F. L. de los Reyes III (2008). Quantifying In Situ Growth Rate of Filaments and Floc-Formers in Activated Sludge. 81th Water Environment Federation Annual Conference and Exposition (WEFTEC 2008), October 21-25, Chicago, IL.

Hong, H., J. C. Williams, J. Hsieh, J. Ducoste, and F. L. de los Reyes III (2008).  Monitoring Microbial Shifts During Activated Sludge Floc and Aerobic Granule Development. 81th Water Environment Federation Annual Conference and Exposition (WEFTEC 2008), October 21-25, Chicago, IL.

Hong, H., J. C. Williams, J. Hsieh, J. Ducoste, and F. L. de los Reyes III (2008).  Floc size Control and Microbial Shifts in Couette Bioreactors.  International Water Association Leading Edge Technologies Conference, June 2008, Zurich, Switzerland.

Hong, H., C. R. Mota, and F. L. de los Reyes III (2008).  Do Some Ammonia Oxidizers Perform Nitrite Reduction? A Molecular Analysis of nirS Expression.  International Water Association Young Investigators Conference, July 2008, Berkeley, CA.

DiBiase, W., H. Hilger, T. Steck, C. Wang, F. L. de los Reyes III, L. Holmes, S. Mandjiny, S. Luster-Teasley, K. Schimmel (2007). Multi-campus Design and Implementation of Problem-Based-Learning Courses in Environmental Biotechnology with Interdisciplinary Learning and Internship Opportunities.  ASEE Conference, June, Hawaii.

*Lou, I. C. and F. L. de los Reyes III (2006), A New Framework for Analyzing Filamentous Bulking in Activated Sludge: Roles for Kinetics and Diffusion,  79th Water Environment Federation Annual Conference and Exposition (WEFTEC 2006), October 21-25, Dallas, TX.

*Hoyle, L., P. Pitt, A. Stone, and F. L. de los Reyes III (2006), Investigating Steam Application for Reducing Foaming in Activated Sludge, 79th Water Environment Federation Annual Conference and Exposition (WEFTEC 2006), October 21-25, Dallas, TX.

Head, M. A., C. R. Mota, J. A. Ridenoure, F. L. de los Reyes III, and J. J. Cheng (2005) Intermittent Aeration for Nitrogen Removal from High-Ammonia Wastewater through Nitrification and Denitrification in a Single Reactor, Proceedings of the Tenth International Symposium on Animal, Agricultural and Food Processing Wastes (ISAAFPW), Oct. 5-7, Durham, NC. pp. 260-267.

*Gulez, G. and F. L. de los Reyes III (2005), What Do Filaments Like to Eat?  Using DGGE to Determine the Effects of Carbon Source and Seed Sludge on Filamentous Growth, 78th Water Environment Federation Annual Conference and Exposition (WEFTEC 2005), October 2-6, Washington D.C.  CD-ROM, 10 pages.

Head, M. A., C. R. Mota, J. A. Ridenoure, F. L. de los Reyes III, J. J. Cheng (2005), Intermittent Aeration for Nitrogen Removal from Anaerobically Pretreated Swine Wastewater in an intermittent Aeration Process, Proceedings of American Society of Agricultural Engineers Conference, July 17-20, Tampa, FL. CD-ROM, 10 pages.

*** Head, M. A., J.C. Williams, C.R. Mota, F.L. de los Reyes III, J.J. Cheng (2005), Nitrogen Removing Activity of Granules in Intermittent Aeration Reactors Treating High-Ammonia Wastewater, 4th International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, July 17-20, Gold Coast, Australia. CD-ROM, 8 pages.

***Williams, J. C. and F.L. de los Reyes III(2005), Microbial Community Structure of Activated Sludge During Aerobic Granulation in an Annular Gap Bioreactor, 4th International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, July 17-20, Gold Coast, Australia. Awarded Best Student Poster for Session 1., CD-ROM, 8 pages.

*** Lou, I. C. and F.L. de los Reyes III(2005), Substrate Uptake Tests and Quantitative FISH Show Differences in Kinetic Growth of Bulking and Non-Bulking Activated Sludge, 4th International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, July 17-20, Gold Coast, Australia. CD-ROM, 8 pages.

***Gulez, G. and F.L. de los Reyes III(2005), Effects of Carbon Sources and Inocula on the Growth of Filaments in Activated Sludge, 4th International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, July 17-20, Gold Coast, Australia. CD-ROM, 8 pages.

***Mota,C. R.,M.A. Head, J. Ridenoure, J.J. Cheng, and F.L. de los Reyes III(2005), Effects of Aeration Cycles on Nitrifying Cycles on Nitrifying Bacterial Populations and Nitrogen Removal in Intermittently-Aerated Reactors, 4th International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, July 17-20, Gold Coast, Australia. CD-ROM, 8 pages.

*Lou, I. C. and F. L. de los Reyes III (2004), Determining Growth Rate, Yield, and Maintenance Coefficient of Filaments and Floc Formers Using Substrate Uptake Tests and Metabolic Modeling, 77th Water Environment Federation Annual Conference and Exposition (WEFTEC 2004), October 2-6, New Orleans, LA. CD-ROM, 10 pages.

*Mota, C. R., J. Ridenoure, J. Cheng, and F. L. de los Reyes III (2004) Effects of Aeration Cycles on Populations of Nitrifying Bacteria and Nitrogen Removal in Intermittently-Aerated Reactors, 77th Water Environment Federation Annual Conference and Exposition (WEFTEC 2004), October 2-6, New Orleans, LA. CD-ROM, 10 pages.

*Skidmore, M. B. and F. L. de los Reyes III (2004), Heat Treatment Combined With Cation Addition to Improve the Dewaterability of Biosolids, 77th Water Environment Federation Annual Conference and Exposition (WEFTEC 2004), October 2-6, New Orleans, LA. Awarded Best Poster. CD-ROM, 10 pages.

*Ridenoure, J. C., C. R. Mota, J. Cheng, and F. L. de los Reyes III (2004) Optimization of Intermittent Aeration for Nitrogen Removal from Swine Wastewater, 77th Water Environment Federation Annual Conference and Exposition (WEFTEC 2004), October 2-6, New Orleans, LA. 10 pages, CD-ROM.

*Liao, J., I. Lou, and F. L. de los Reyes III (2003),  Quantifying Filamentous Bulking Thresholds using Molecular and Reactor Studies, 76th Water Environment Federation Annual Conference and Exposition (WEFTEC 2003),  October 12-16, Los Angeles, CA. 10 pages, CD-ROM.

*Mota, C. R., Z. Hu, J.  Cheng, and F. L. de los Reyes III (2003), Population Dynamics of Nitrifying Bacteria in Intermittently-Aerated Reactors Treating High Nitrogen Wastewater, 76th Water Environment Federation Annual Conference and Exposition (WEFTEC 2003), October 12-16, Los Angeles, CA. 10 pages, CD-ROM.

Ridenoure, J., C. R. Mota,  F. L. de los Reyes III, and J. Cheng (2003), Optimization of Nitrogen Removal from Anaerobically-pretreated Swine Wastewater in Intermittent Aeration Tanks, Proceedings of the Ninth International Symposium on Animal, Agricultural and Food Processing Wastes (ISAAFPW), October 12-15, Durham, NC. CD-ROM, 12 pages.

*Lou, I. and F. L. de los Reyes III (2002), Modeling the Competition Between Filaments and Floc Formers: Integrating Storage, Kinetic Selection, and Filamentous Backbone Theory, 75th Water Environment Federation Annual Conference and Exposition  (WEFTEC 2002), September 28-October 2, Chicago, IL (Activated Sludge Research Symposium). 10 pages, CD-ROM.

*Liao, J., J. Keith, and F. L. de los Reyes III (2001), Characterization of Filamentous Bulking in Activated Sludge Using Oligonucleotide Hybridization Probes, Research Symposium (Molecular Methods in Research), 74th Water Environment Federation Annual Conference and Exposition  (WEFTEC 2001), October 13-17, Atlanta, GA. 10 pages, CD-ROM.

**Doby, T. A., D. H. Loughlin, J. J. Ducoste, and F. L. de los Reyes III (2001), Optimization of Activated Sludge Designs Using a Genetic Algorithm, Proceeedings of 5th Kollekolle Seminar on Modeling of Activated Sludge Processes Theory and Practice.  September 10-12, Copenhagen, Denmark: pp. 217-229.

***de los Reyes, F. L. III and L. Raskin (2001), Microbial Community Structure in Foaming and Non-foaming Full Scale Activated Sludge Plants, Proc. 3rd International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, June 13-15, Rome, Italy: pp. 385-392.

***de los Reyes, F. L. III, J. Cheng, C. E. Fonner, J. Liao, and J. Keith (2001), Performance and Microbial Community Structure During Startup of a Single Reactor Nitrogen Removal Activated Sludge System, 3rd International Water Association Specialized Conference on Microorganisms in Activated Sludge and Biofilm Systems, June 13-15, Rome, Italy. Paper No. 111, 4 pages.

*de los Reyes, F. L. III and L. Raskin (2000), The Relationship of Filament Levels to Foaming in Activated Sludge Determined by Oligonucleotide Probe Hybridizations, Research Symposium (Sustainability and Excellence in Environmental Research), Proc. 73rd Water Environment Federation Annual Conference and Exposition  (WEFTEC 2000), October 14-18, Anaheim, CA, (Rated top abstract), 9 pages (CD-ROM).

de los Reyes, F. L. III and L. Raskin (1999), Characterizing Filamentous Foaming in Activated Sludge Systems Using Molecular Techniques,  Proc. 72nd Water Environment Federation Annual Conference and Exposition  (WEFTEC 99), October 9-13, New Orleans, LA. (First Place, Ph.D Student Paper Competition), 5 pages (CD-ROM).

*de los Reyes, F. L. III and L. Raskin (1998), Population Dynamics of Filamentous Foaming in Activated Sludge Systems: Toward an Integrated Theory, Research Symposium, Proc. 71st Water Environment Federation Annual Conference and Exposition  (WEFTEC 98), October 4-7, Orlando FL, 1: 281-296.

**Oerther, D. B., F. L. de los Reyes III, and L. Raskin (1998), Interfacing Phylogenetic Oligonucleotide Probe Hybridizations with Representations of Biomass in Mechanistic Mathematical Models of Activated Sludge, Proc. Modeling and Microbiology of Activated Sludge Processes, March 16-18, Copenhagen, Denmark, 9 pages.

***de los Reyes, F.L. III, M.F. de los Reyes, M. Hernandez, and L. Raskin (1997), Characterization of Filamentous Foaming in Activated Sludge Systems Using Oligonucleotide Hybridization Probes and Antibody Probes, Proc. Second International Conference on Microorganisms in Activated Sludge and Biofilm Processes, July 21-23, Berkeley, CA, pp. 283-291.

***de los Reyes, M.F., F.L. de los Reyes III, M. Hernandez, and L. Raskin (1997), Identification and Quantification of Gordona amarae Strains in Activated Sludge Systems Using Comparative rRNA Sequence Analysis and Phylogenetic Hybridization Probes, Proc. Second International Conference on Microorganisms in Activated Sludge and Biofilm Processes, July 21-23, Berkeley, CA, pp. 677-680.

Raskin, L., D. Zheng, M. E. Griffin, and F. L. de los Reyes III (1995), Molecular Studies of Microbial Population Dynamics in Anaerobic Biological Treatment Systems. 9th Forum for Applied Biotechnology, Gent, Belgium, Sept. 27-29. also in Med. Fac. Landbouww. Univ. Gent, 60: 2619-2626.

de los Reyes, F.L. III and R.R. Dague (1995), Effects of Seed Concentration and Organic Loading on the Start-up of the Anaerobic Sequencing Batch Reactor. Proc. 68th  Water Environment Federation Annual Copnference and Exposition (WEFTEC), Miami Beach, Florida. October 21-25. (Third Place, MS Student Paper Competition).

de los Reyes, F.L. III and R.R. Dague (1995), Effects of Initial Seed Concentration on the Start-up of the Anaerobic Sequencing Batch Reactor. Proc. 50th Purdue Industrial Waste Conference, Ann Arbor Press Inc., Chelsea, MI. 449-459.

 Conference Presentations and Posters (abstracts have undergone evaluation)

Smith, S., and F. L. de los Reyes III. Leveraging machine learning to connect microbial community assembly processes to water resource recovery facility performance. 2024 NC WRRI Conference, March 20-21, Raleigh, NC.

Smith, S., L. de los Reyes III. Microbial community assembly of waste and wastewater treatment systems. 2023 AEESP Research and Education Conference, Northeastern University, Boston, MA. June 2023.

Falterman, S. , E. Bailey, F. L. de los Reyes III. Application of Thermal Hydrolysis to Intensify Methane Production in Anaerobic Co-Digestion of Biosolids and Grease Interceptor Waste. WEF Innovations in Process Engineering Conference, Miami, FL. June 20-23, 2022.

Al-Faliti, M., N. Kotlarz, C. McCall, A. Harris, A. L. Smith, L. B. Stadler, F. L. de los Reyes III, J. D. Vela. Rates of Change in SARS-CoV-2 wastewater loads and clinical surveillance leads to methodological insights: A comparison across four major metropolitan areas in the US. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Ding, H., F. L. de los Reyes III, M. Barlaz, D. Call. Exploring Strategies to Promote Volatile Fatty Acid Production during Anaerobic Co-Digestion of Food Waste: Effect of Inoculum and Intermittent Temperature Perturbations. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Guertin, E., M. Barlaz, F. L. de los Reyes III. Developing high yield and resilient anaerobic co-digestion of alternative wastes. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Falterman, S. , E. Bailey, F. L. de los Reyes III. Intensifying Methane Production in Anaerobic Systems: Interaction of Thermal Hydrolysis and Co-Digestion. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Smith, S., J. E. Weaver, D. Capone, P. Chigwechokha, R. Holm, B. Risk, E. Tilley, J. Brown, and F. L. de los Reyes III. Microbial community assembly in engineered bioreactors: theory, methodology, and selected case studies. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Lai, Y-C., J. Ducoste, and F. L. de los Reyes III. Disrupting Dunaliella viridis cells using hydrodymanic cavitation. 2022 AEESP Research and Education Conference, Washington University St. Louis, June 28-30, 2022.

Guertin, E., M. Barlaz, and F. L. de los Reyes III. Developing High Yield and Resilient Anaerobic Co-digestion of Alternative Wastes. 24th Annual Conference, NC Water Resources Research Institute, Raleigh, NC. March 23-24, 2022.

Falterman, S., Bailey, and F. L. de los Reyes III. Thermal Hydrolysis and Anaerobic Co-Digestion of Biosolids and Grease Interceptor Waste: Approaches for Higher Methane Production? 24th Annual Conference, NC Water Resources Research Institute, Raleigh, NC. March 23-24, 2022.

Ding, F. L. de los Reyes III, M. Barlaz, D. Call. Exploring Strategies to Promote Volatile Fatty Acid Accumulation During Anaerobic Digestion of Food Waste. 24th Annual Conference, NC Water Resources Research Institute., March 23-24, 2022Raleigh, NC.

Mattingly, and F. L. de los Reyes III. The Efficacy of Continuous Bioaugmentation in Full-Scale Pulp and Paper Industry Aerated Stabilization Basins. 2021 NCASI (National Council for Air and Stream Improvement) Virtual Conference. Sept. 15, 2021.

Weaver, JE., de los Reyes III, FL. Ducoste, JJ. “Modeling environmental bioreactors treating wastewater by integrating biological processes, floc microenvironments, and computational fluid dynamics” Runner-Up poster, Environmental Biotechnology Network (EBNET) 3rd Annual Early Career Researcher Conference.  Virtual. June 2021.

Ding, H., F. L. de los Reyes III, M. Barlaz, D. Call. Exploring Strategies to Promote Volatile Fatty Acid Accumulation During Anaerobic Co-Digestion of Food Waste. American Chemical Society ACS Spring 2021. April 12, 2021.

Kotlarz, N., A. Harris, and F. L. de los Reyes III. Monitoring SARS-CoV-2 RNA in wastewater solids to support public health decisions. 7th Annual Measuring Development Conference: Emerging Data and Methods in Global Health Research.CEGA-WHO. March 31, 2021.

Capone, D., J. Brown, E. Tilley, R. Holm, P. Chigwechokha, and F. L. de los Reyes III. Detecting enteric pathogens in fecal sludge: does depth within the pit matter? UNC Water and Health Conference. October, 2020. Chapel Hill, NC.

Weaver, J. E., and F. L. de los Reyes III. Microbial Community Assembly in Two Full Scale Aerobic Basins Containing Identical Starting Populations: Drivers and Implications. 8th IWA Microbial Ecology and Water Engineering Specialist Conference, Nov. 17-20, 2019. Hiroshima, Japan.

Greene, N., T. Rogers, J. Tsai, F. L. de los Reyes III. Lessons in commercializing sanitation technology. Case study: The Excluder, a trash rejection mechanism to enable pit latrine servicing. UNC Water and Health Where Science Meets Policy. October 7-11, 2019. Chapel Hill, NC.

Greene, N., T. Rogers, J. Tsai, F. L. de los Reyes III. Lessons in commercializing sanitation technology. Case study: The Excluder, a trash rejection mechanism to enable pit latrine servicing. 2019 Triangle Global Health Annual Conference One Health Creating our Shared Future — Humans, Animals, and the Environment. October 16, 2019. Durham, NC.

Polli, E., K. Bilyk, W. Khunjar, T. Aziz, and F. L. de los Reyes III. Exploring the conversion of tertiary denitrification to mainstream deammonification: Pilot scale filter results and challenges. 2019 WEF Nutrient Removal and Reuse Conference. Accepted.

Portiolli, G., T. Rogers, W. Beckwith, J. Tsai, N. Greene, and F. L. de los Reyes III. Developing a Mechanized Method for Emptying Pit Latrines in Low- and Medium-Income Countries. AEESP Conference, Arizona State University. May 16-19, 2019. Tempe, AZ.

Karam, A., F. L. de los Reyes III, and J. J. Ducoste. Evaluation of light modeling approaches for estimating light attenuation during microalgal cultivation. AEESP Conference, Arizona State University. May 16-19, 2019. Tempe, AZ.

Hindiyeh, M., J. E. Weaver, and F. L. de los Reyes III. Do Filaments Have Different Thresholds for Activated Sludge Bulking? AEESP Conference, Arizona State University. May 16-19, 2019. Tempe, AZ.

Wang, L., J. J. Ducoste, and F. L. de los Reyes III. Revealing the causal relationship between the anaerobic microbiome and co-digester performance using a common garden approach. AEESP Conference, Arizona State University. May 16-19, 2019. Tempe, AZ.

Weaver, J. and F. L. de los Reyes III. What’s Driving Microbial Community Assembly in Full-Scale Activated Sludge Systems: Implications for System Design and Operation. AEESP Conference, Arizona State University. May 16-19, 2019. Tempe, AZ.

Wang, L., J. J. Ducoste, and F. L. de los Reyes III. Revealing the causal relationship between the anaerobic microbiome and co-digester performance using a common garden approach (2019). 16th World Conference on Anaerobic Digestion (AD16). June 23-27, 2019. Amsterdam, Netherlands.

de los Reyes III, F.L., L. Wang, E. Y. Lee and M. A. Barlaz. Linking microbial population dynamics in landfill bioreactors to food waste type and decomposition stage (2019). 16th World Conference on Anaerobic Digestion (AD16). June 23-27, 2019. Amsterdam, Netherlands.

Shen, P., J. Yeh, X. He, L. Wang, and F. L. de los Reyes III. Pulse feeding of anaerobic reactors reduces start-up times and increases achievable loading rates (2019). 16th World Conference on Anaerobic Digestion (AD16). June 23-27, 2019. Amsterdam, Netherlands.

Harris, A., Emanuel, E., Nelson, N., Jass, T., Sharara, M., Kearns, J., Riveros-Iregui, D., de los Reyes, F., Kathariou, S., Niedermeyer, J., Stewart, J. Water quality of Hurricane Florence Floodwaters: What we know so far. NC Water Resources Research Institute (WRRI) 21st Annual Conference. Raleigh, NC, USA. March 2019.

Nelson, N., Harris, A., Emanuel, E., Jass, T., Sharara, M., Kearns, J., Riveros-Iregui, D., de los Reyes, F., Kathariou, S., Niedermeyer, J., Stewart, J. Water quality of Hurricane Florence Floodwaters: Knowledge gaps and challenges. NC Water Resources Research Institute (WRRI) 21st Annual Conference. Raleigh, NC, USA. March 2019.

Riveros-Iregui, D., Moser, H., Christenson, E., Gray, J., Hedgespeth, M., Lowry, D.S., Nelson, N., Harris, A., Emanuel, E., Jass, T., Sharara, M., Kearns, J., de los Reyes, F., Kathariou, S., Niedermeyer, J., Stewart, J. Flood-driven Connectivity and Water Quality in the Atlantic Coastal Plane. NC Water Resources Research Institute (WRRI) 21st Annual Conference. Raleigh, NC, USA. March 2019.

Portiolli, G., T. Rogers, W. Beckwith, J. Tsai, P. Oye-Moi, N. Wilson, and F. L. de los Reyes III. The Flexcrevator: Development and Lab/Field Testing of Mechanized Pit Emptying with Trash Exclusion (2019). 5th Faecal Sludge Management Conference (FSM5). Feb. 19-23, Cape Town, S. Africa.

Greene, N., T. Rogers, J. Tsai, and F. L. de los Reyes III. Is There a Business Case for Mechanized Pit Emptying? (2018). 5th Faecal Sludge Management Conference (FSM5). Feb. 19-23, Cape Town, S. Africa.

Wilson, N. and F. L. de los Reyes III. The Role of Illustrated Systems Analysis in FSM Hardware Innovation. (2018). 5th Faecal Sludge Management Conference (FSM5). Feb. 19-23, Cape Town, S. Africa.

Polli, E., K. Biyk, W. Khunjar, T. Aziz, and F. L. de los Reyes III. Tertiary Mainstream Deammonification (ANAMMOX) in Pilot-Scale Filters. 2018 WEF Nutrient Removal and Reuse Conference, June 18-21, Raleigh, NC.

Barlaz, M., E. Lee, F. L. de los Reyes III. Microbial Population Development During Anaerobic Degradation of Food Waste. (2018). Global Waste Management Symposium, Feb. 11-14 ,2018, Indian Wells, CA.

Byrne, A., R. Sindall, L. Wang, F. L de los Reyes III and C. Buckley. Characterizing the biodegradation of faecal sludge in pour-flush pit latrines in South Africa. 2017 UNC Water and Health Conference, October 16-20, Chapel Hill, NC.

F. L. de los Reyes III, T. Rogers, W. Beckwith. Challenges and Progress in Emptying Pit Latrines. 2017 UNC Water and Health Conference, October 16-20, Chapel Hill, NC.

Barlaz, M., E. Lee, F. L. de los Reyes III. Microbial Population Development During Anaerobic Degradation of Food Waste. (2018). Global Waste Management Symposium, Feb. 11-14 ,2018, Indian Wells, CA.

Karam, A., Y. C. Lai, J. Liu, R. Ranjithan, J. Levis, F. L. de los Reyes III, J. Ducoste. Quantifying Light Distributions within Microalgal Photosynthetic Bioreactors Using Novel Microsensors. (2017). AEESP Conference, June 20-22, Ann Arbor, MI.

Lee, E., F. L. de los Reyes III, M. Barlaz. Microbial Population Development During Anaerobic Degradation of Food Waste. (2017). AEESP Conference, June 20-22, Ann Arbor, MI.

Karam, A., Y. C. Lai, J. Liu, R. Ranjithan, J. Levis, F. L. de los Reyes III, J. Ducoste. Quantifying Light Distributions within Microalgal Photosynthetic Bioreactors Using Novel Microsensors. (2017). 7th International Conference on Biofuels, Biomass, and Bioproducts, June 18-21, Miami, FL.

Lai, Y. C., A. Karam, R. Ranjithan, J. Levis, F. L. de los Reyes III, J. Ducoste. Physiological responses of microalgae, Dunaliella viridis, during nitrogen–limited growth. (2017). 7th International Conference on Biofuels, Biomass, and Bioproducts, June 18-21, Miami, FL.

Byrne, A., R. Sindall, L. Wang, F. L. de los Reyes III, and C. Buckley. What Happens Inside a Pour-Flush Pit? Insights from Comprehensive Characterization. ¬¬40th WEDC International Conference, Loughborough, UK, July 24-27, 2017.

Buckley, C., R. Sindall, and F. L. de los Reyes III. Designing Pit Emptying Technologies: Lessons from the field with systems thinking. ¬¬40th WEDC International Conference, Loughborough, UK, July 24-27, 2017.

de los Reyes, F. L. III, H. Ashinhurst, C. Buckley, J. Choksey, J. Davis, G. Foutch, X. Gras, T. Gurski, J. Heeger, J.R. Inman, A. Innes, S. Kim, H. Kneller, S. Malinga, S. Mercer, J. Neethling, M. Pramanik, J. Radford, J. Shaw, J. Williams (2017) Designing the Next Generation of Pit Emptying Technologies Using a Workshop Approach. 4th International Faecal Sludge Management Conference, February 19-23, Chennai, India.

de los Reyes, F. L. III, Wang, L., A. Byrne, K. Velkushanova, and C. Buckley (2017). Linking Microbial Communities to Degradation Processes Occurring in a VIP and Pour Flush Toilets. 4th International Faecal Sludge Management Conference, February 19-23, Chennai, India.

Rogers, T., W. Beckwith, N. Banka, and F. L. de los Reyes III (2017). The Flexcrevator: An Improved Pit Emptying Technology with Trash Exclusion. 4th International Faecal Sludge Management Conference, February 19-23, Chennai, India.

Early, G., J. Ducoste, F. L. de los Reyes III (2017). Simulating an Ultra-Low Flush Toilet Using Computational Fluid Dynamics to Decrease Water Use. 4th International Faecal Sludge Management Conference, February 19-23, Chennai, India.

Cheng, Q.; Murray, C. C.; Tavares, V. L.; de los Reyes, F. L.; Call, D. F. Electrically conductive particles supporting direct interspecies electron transfer (DIET) in anaerobic microbial communities. 252nd American Chemical Society (ACS) National Meeting and Exposition. Philadelphia, PA. August 23, 2016.

Karam A., Y. C. Lai, C. McMillan, R. Ranjithan, J. Levis, F. L. de los Reyes III, J. Ducoste (2016). Photochemical micro-sensors for evaluating light distributions within photosynthetic bioreactors for biofuel production (2016). 6th International Conference on Biofuels, Biomass, and Bioproducts, June 26-29, San Diego, CA.

de los Reyes, F. L. III, L. Wang, P. Shen, J. Yeh, T. Aziz, and J. Ducoste (2016). Directing microbial community assembly in anaerobic reactors: implications for increasing methane yields and improving start-up. 2016 WRRI Conference, March 17-18, 2016, Raleigh, NC.

Wang, L., E. Hossen, T. N. Aziz, J. Ducoste, and F. L. de los Reyes III (2015). How to Train Your Digester: Using Step and Pulse Feedings to Increase Community Resistance and Methane Yield. Air and Waste Management Association 108th Annual Conference and Exhibition, June 22-25, Raleigh, NC.

de los Reyes, F. L. III, J. Weaver, L. Wang (2015) A Methodological Framework for Linking Bioreactor Function to Microbial Communities and Environmental Conditions. AEESP Conference, June 13-16, Yale University, New Haven, Conn.

Rogers, T., T. E. Sisco, W. Beckwith, F. L. de los Reyes III (2015) The Excrevator for Emptying Pit Latrines in Developing Countries. AEESP Conference, June 13-16, Yale University, New Haven, Conn.

Wang, L., E. Hossein, T. Aziz, J. Ducoste, and F. L. de los Reyes III (2015) How to Train Your Digester: Step and Pulse Feeding for Grease Interceptor Waste Treatment. American Water Works Association Annual Conference and Exposition, June 8-10. Anaheim, CA. (invited for winning the 2014 NC Safewater Poster Competition).

Rogers, T., W. Beckwith, T. E. Sisco, and F. L. de los Reyes III (2015) Modified Earth Auger for the Removal of Variable Wastes in Pit Latrines and Septic Tanks, Fecal Sludge Management 3, January 19-23, Hanoi, Vietnam.

Hurley, F. J., Hodge, D., Johnson, T., and F. L. de los Reyes III (2014) The Effects of Kenaf on the Performance of Continuous-Flow Benchtop Reactors Treating Municipal Wastewater, NC Safewater Annual Conference, Winston-Salem, November.

de los Reyes, F. L. III, T. N. Aziz, L. Wang, E. Hossen (2013) Optimizing Anaerobic Co-digestion of Grease Interceptor Waste: Limits, Resilience, and Techno-Economic Assessment, BioEnergy Symposium 2013, UNC Charlotte, April 9, 2013.

Tung, G., D. A. Libera, F. L. de los Reyes III, and L. A. Jaykus (2013) Modeling Norovirus Transmission from an Episode of Vomiting, 2013 Annual Meeting of the International Association for Food Protection, July 28-31, Charlotte, NC.

Wang, L., E. Hossen, T. Aziz, and F. L. de los Reyes III (2013) Determining the limits of anaerobic co-digestion: maximizing methane yield from food wastes, 33rd Annual Philippine American Academy of Scientists and Engineers Meeting and Symposium, Laoag City, Philippines, Jan. 29- Feb. 2.

Wahlen, Jory B.; de los Reyes, Francis L.; Frey H. C. (2012) Quantification of Pathogens in Graywater Using Molecular Approaches.” Society of Risk Analysis Annual Meeting, San Francisco, CA, December 9 (Winner of SRA and Microbial Risk Analysis Specialty Group Student Merit Award Competition).

Borden, R., T. Rogers, and F. L. de los Reyes III (2012) Hygienic Pit Emptying Using a Low Cost Extraction Auger. Fecal Sludge Management Conference 2, Oct. 31- Nov. 2, Durban, South Africa.

de los Reyes, F. L. III , K. Kopf, and M. J. So (2012) Insights from Molecular Methods for Analyzing Nitrogen Removal. 2012 NC AWWA-WEA Annual Conference, Nov. 11-14, Raleigh, NC.

Aziz, T., L. Wang, J. H. Long, F., F. L. de los Reyes III, J. J. Ducoste (2012) Sustainable Energy from Grease Interceptor Waste Digestion. 2012 NC AWWA-WEA Annual Conference, Nov. 11-14, Raleigh, NC.

He, X., F. L. de los Reyes III, J. J. Ducoste (2012) A Comprehensive Mechanistic Model Showing How Fat, Oil and Grease (FOG) Deposits Form in Sewer Lines. 2012 NC AWWA-WEA Annual Conference, Nov. 11-14, Raleigh, NC.

F. L. de los Reyes III, M. Z. Vazques-Pineiro, H. House (2012) Performance and Microbial Community Structure of an Onsite Plant/Soil-based Water Reuse System. 2012 NC WRRI Conference, March 27-28, 2012, Raleigh, NC.

He, X., F. L. de los Reyes III, and J. Ducoste (2012) Mechanisms of FOG Deposit Formation in Sewer Lines. 2012 NC WRRI Conference, March 27-28, 2012, Raleigh, NC.

Staley, B. F., M. A. Barlaz, and F. L. de los Reyes III (2011) Enhancing methane capture for energy generation by understanding methanogenesis initiation and microbial ecological succession in landfills.  31st Annual PAASE (Philippine-American Academy of Scientists and Engineers) Meeting, University of the Philippines Science Complex, June 15-17, 2011.

Staley, B.F., F. L. de los Reyes III, and M. A. Barlaz (2011)  Environmental and Spatial Factors Affecting Methanogenesis Initiation in Solid Waste.  AEESP Annual Conference, Tampa, Florida.  July 2011.

de los Reyes, F. L. III (2010), A Causation Framework for Molecular Microbiology and Engineering, 2010 Philippine-American Association of Scientists and Engineers Annual Meeting, May 29-31, 2010, University of Wisconsin, WI.

He, X., M. Carpenter, and F. L. de los Reyes III (2010) Microbial and Chemical Characterization of Grease Interceptors for Removing Fats, Oils, and Grease (FOG) in Sewer Systems. IWA Leading Edge Technology Conference, Phoenix, AZ.  June 2-4, 2010.

Sobremisana, A., F. L de los Reyes III, and J. J. Ducoste (2010) A Numerical Approach for Modeling Carbon and Nitrogen Removal under the Influence of Floc Size Distribution. IWA Leading Edge Technology Conference, Phoenix, AZ.  June 2-4, 2010.

*Vázquez, M. and F. L. de los Reyes III (2010) Performance and Microbial Community Structure of an Onsite Soil/Plant-Based Wastewater Reuse System. American Society for Microbiology 110th Annual Meeting, San Diego, CA, May 23-27.

*So, M. J., and F. L. de los Reyes III (2010) Separating Nitrite-Reducing Bacteria in Mixed Culture Samples using Sequential mRNA Fluorescence in situ Hybridization and Fluorescence-Assisted Cell Sorting (SmRFF). American Society for Microbiology 110th Annual Meeting, San Diego, CA, May 23-27.

*Raymundo, A. K., N. Lantican, and F. L. de los Reyes III (2010) Comparing Two Methods of Analyzing Microbial Communities from Extreme Environments. American Society for Microbiology 110th Annual Meeting, San Diego, CA, May 23-27.

le Roux, L., M. E. Johnson, M. J. So, and F. L. de los Reyes III (2010) Use of Molecular Tools to to Identify Microbial Communities in a Full Scale Biotrickling Filter Treating Odors from a Municipal WWTP, WEF/A&WMA Odor and Pollutants 2010, Charlotte, NC, March 21-24, 2010.

le Roux, L., M. E. Johnson, and F. L. de los Reyes III (2009) Biotrickling Filters for Municipal Odor Control- the Next Step, Biosolids, Odor, and Corrosion Conference, Texas Water Environment Association, San Marcos, TX, Aug. 27-28.

Wellborn, L. and F. L. de los Reyes III (2008) Assessing water quality and sanitation in GK villages in the Philippines: Lessons from the field, Conference on Sustainable and Safe Drinking Water in Developing and Developed Countries: Where Science Meets Policy, UNC-CH, Chapel Hill, NC, November 5-6, 2008.

*Lantican, N., F. L. de los Reyes III, R. H. Oane, C. M. Vera Cruz, and A. K. Raymundo (2008) Microbial Community Assessment of Mt. Makiling Mudspring, Laguna, Philippines, as revealed by Fluorescence In Situ Hybridization Analysis, Philippine Society for Microbiology Annual Meeting, Boracay, Philippines, May 7-9, 2008.

*Hicks, K., N. R. Smith, M. J. So, R. C. Borden, and F. L. de los Reyes III (2008) Optimizing DNA extraction and Sample Size of Groundwater Sediment for Molecular Biological Analysis, American Society for Microbiology 108th Annual Meeting, Boston, MA, June 1-5, 2008.

*Staley, B. F., M. J. So,  F. L. de los Reyes III, M. A. Barlaz (2008) Microbial Function and Resilience during Shock Loading of High Substrate Waste, American Society for Microbiology Annual Conference, Boston, MA, June 1-5, 2008.

*Staley, B. F., F. L. de los Reyes III, M. A. Barlaz (2008) The Effect of Environmental Selection Mechanisms on Microbial Succession  During Refuse Decomposition, American Society for Microbiology Annual Conference, Boston, MA, June 1-5, 2008.

*Hicks, K., N. R. Smith, M. J. So, R. C. Borden, and F. L. de los Reyes III (2007) Optimizing Sampling and Handling of Groundwater and Soil for Molecular Biological Analysis, SERDP-ESTCP Conference, Washington D. C., Dec. 4-7 2007.

*Saikaly, P. E., M. A. Barlaz, F. L. de los Reyes III (2007) Detection and Quantification of Surrogate Biological Warfare Agents in Refuse and Leachate using Quantitative PCR. SERDP-ESTCP Conference, Washington D. C., Dec. 4-7 2007.

Staley, B. F., F. L. de los Reyes III, M. A. Barlaz (2007), Microbial Community Profiling of Municipal Solid Waste at Different Stages of Degradation, 11th Sardinia International Solid Waste Management and Landfill Symposium, Oct 1- 5, Cagliari, Italy.

DiBiase, W. H. Hilger, T. Steck, C. Wang, F. L. de los Reyes III*, L. Holmes, S. Mandjiny, S. Luster-Teasley, K. Schimmel (2007) Problem-Based-Learning Courses in Environmental Biotechnology with Interdisciplinary Learning:  Results from a Multi-Campus Program, AEESP Conference, July 17, 2007, Blacksburg, VA.

Staley, B. F., F. L. de los Reyes III, M. A. Barlaz (2007), Increasing Landfill Sustainability: Manipulation of Microbial Community Demographics to Control CH4 Production, AEESP Conference, July 17, 2007, Blacksburg, VA.

Saikaly, P. E., M. A. Barlaz, and F. L. de los Reyes III (2007) An interdisciplinary approach to study the fate and transport of surrogate biological warfare agents in a simulated landfill, AEESP Conference, July 17, 2007, Blacksburg, VA.

*Saikaly, P. E., M. A. Barlaz, F. L. de los Reyes III (2007) Detection and Quantification of Surrogate Biological Warfare Agents in Refuse and Leachate using SYBR Green 1 Real-Time PCR.  ASM Biodefense Meeting, March 2007, Wash. DC.

*Mota, C. R. and F. L. de los Reyes III (2006), Simultaneous In–Situ Identification of Denitrifying and Nitrifying Bacteria in Activated Sludge, 11th International Symposium on Microbial Ecology, August 20-25, Vienna, Austria.

*Staley, B. F., M. A. Barlaz, J. C. Ellis, P. E. Saikaly and F. L. de los Reyes III (2006) Impact of DNA Extraction Methods on Microbial Diversity in Municipal Solid Waste, 11th International Symposium on Microbial Ecology, August 20-25, Vienna, Austria.

Staley, B. F., M. A. Barlaz, and F. L. de los Reyes III (2006),  Optimization of Nucleic Acid Extraction Methods from Municipal Solid Waste to Enhance Yield and Minimize Microbial Community Bias, Intercontinental Landfill Research Symposium, June 14-16, 2006, North of the Arctic circle in Gällivare, Sweden

Mota, C. R. and F. L. de los Reyes III (2006), In Situ Identification of Active Nitrite Reducers Using Oligonucleotide Probes Targeting nirS mRNA, 106th General Meeting of the American Society for Microbiology, May 21-25, Orlando, FL.

Staley, B. F., M. A. Barlaz, and F. L. de los Reyes III (2004) Analysis of Methanogen Community Structure During Residential Food Waste Decomposition in a Simulated Landfill, 10th World Congress on Anaerobic Digestion, August 29-Sept. 2, Montreal, Canada.

de los Reyes, F. L. III, J. Cheng, C. R. Mota, J. Williams, and J. Ridenoure (2004), Performance and Microbiology of Swine Wastewater Biotreatment Reactors, USDA-CSREES National Water Quality Conference: Integrating Research, Extension and Education, January 11-14, 2004 in Clearwater, Florida, USA.

*de los Reyes, F. L. III (2003)  “Causative” microorganisms in wastewater treatment systems: Concepts and case studies, 2003 Applied and Environmental Microbiology Gordon Research Conference, June 24- August 1, New London, CT.

*Mota, C. M. , Z. Hu, J. Cheng and F. L. de los Reyes III (2003),  Detection of Unusually High Levels of Nitrifying Bacteria in Reactors Treating High Nitrogen Wastewater, 103rd General Meeting of the American Society for Microbiology, May 19-23,  Washington D.C.

*Lou, I. and F. L. de los Reyes III (2003),  Estimation of Kinetic Parameters in Bulking and Non-Bulking Sludge: Effects on Competion Between Filaments and Flor-Formers, 103rd General Meeting of the American Society for Microbiology, May 19-23, Washington D.C.

*Williams, J. C. and F. L. de los Reyes III (2003),  Detection of Paracoccus pantotrophus as an Indicator of Simultaneous Nitrification-Denitrification in Intermittently Aerated Reactors, 103rd General Meeting of the American Society for Microbiology, May 19-23, Washington D.C.

*Keith, J. E., J. Leder, and F. L. de los Reyes III (2002), Detection and Quantification of an Environmentally Versatile Bacillus strain Using Hybridization Probes Targeting the 16S rRNA and 16S-23S rRNA Spacer Region, 102nd General Meeting of the American Society for Microbiology, May 19-23, Salt Lake City, UT.

Doby, T. A., D. H. Loughlin, F. L. de los Reyes III, and J. J. Ducoste (2002), Use of Design Scenarios and Chance-Constrained Genetic Algorithm for Wastewater Treatment Plant Design, 1st Annual Environmental & Water Resources Systems Analysis (EWRSA) Symposium, in conjunction with the Water 2002 EWRI Conference, May 19-22, Roanoke, VA.

Doby, T., D. Loughlin, J. Ducoste, and F. L. de los Reyes III (2001), Optimization of Wastewater Treatment Unit Processes Using a Distributed Genetic Algorithm, Environmental and Water Resources Institute/ASCE World Water and Environmental Resources Congress, May 20-24, Orlando FL.

de los Reyes, F. L. III, D. Rothauszky, and L. Raskin (1998), From Nocardia to Gordona:  Combining Molecular and Engineering Approaches to Study Filamentous Foaming in Activated Sludge, 19th Annual Illinois Water Environment Association Conference, March 24-26 1998, Rockford, IL. (Best Student Paper Award), 12 pages.

*Rothauszky, D., F.L. de los Reyes III, and L. Raskin (1998), Simultaneous In Situ Detection And Quantification Of Two Filamentous Foam-Formers In Activated Sludge Systems, Eighth International Symposium on Microbial Ecology, August 9-14, Halifax, Nova Scotia, Canada, Abstr. No. 68, p. 286.

*de los Reyes, F.L. III, W. Ritter, L. Raskin and R.I. Amann (1996), Group-Specific Small Subunit Hybridization  Probes to Characterize Filamentous Foaming in Activated Sludge Systems, 96th American Society of Microbiology (ASM) General Meeting, New Orleans, LA., May 19-24, Abstr. No. Q37, p.391.

Other Conference Presentations (Abstracts and Posters, not peer reviewed, mostly state/local conferences)

  1. Lai, Y.-C., Ducoste, J. J., de los Reyes, F. L. (2019), Growth and alternative processing of marine microalgae, Dunaliella viridis for maximizing energy production. The North Carolina Section of the American Water Works Association & The North Carolina Member Association of the Water Environment Federation 99th Annual Conference, Nov 4th, Raleigh, NC. (Second Place, Poster Competition)
  2. Portiolli, G. and F. L. de los Reyes III (2018). Meeting a global sanitation challenge: A mechanized pit latrine emptying machine with trash exclusion. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 4-7, Raleigh, NC
  3. Weaver, J. E., and F. L. de los Reyes III (2017). Microbial communities in full scale wastewater treatment plants are shaped by inoculum-dominated stochastic processes. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 14-17, Raleigh, NC. (3rd Place, Student Poster Competition)
  4. Weaver, J. E., J. Ducoste, and F. L. de los Reyes III (2016). Inducing aerobic granular sludge formation through unevenly distributed hydrodynamic shear rates. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 14-17, Raleigh, NC.
  5. Wang, L., E. Hossen, T. N. Aziz, J. Ducoste, and F. L. de los Reyes III (2015). How to get more good guys: directing microbial community in anaerobic co-digesters. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 15-18, Raleigh, NC.
  6. Karam, A., C. MacMillan, F. de los Reyes III, J. Ducoste, J. Levis, R. Ranjithan (2015). Photochemical Microsensors for Evaluating Light Distributions within Photosynthetic Bioreactors for Biofuel Production. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 15-18, Raleigh, NC. (3rd Place, Student Poster Competition)
  7. Wang, L., E. Hossein, T. Aziz, and F. L. de los Reyes III (2014) How to Train Your Digester: Step and Pulse Feeding for Grease Interceptor Waste Treatment. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 12-13, Winston-Salem, NC. (First Place, Student Poster Competition)
  8. Hurley, F. J., and F. L. de los Reyes III (2012)  Effects of Powdered Kenaf Supplementation on Activated Sludge. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 12-13, Raleigh, NC.
  9. Hossen, E., T. N. Aziz, and F. L. de los Reyes III (2012) Resilience of Anaerobic Co-Digestion of TWAS and Grease Interceptor Waste. NC American WaterWorks Association/Water Environment Association Annual Conference, Nov. 12-13, Raleigh, NC.
  10. He, X., J. Ducoste, and F. L. de los Reyes III (2011) Mechanisms of FOG Deposit Formation. NC American WaterWorks Association/Water Environment Association Annual Conference, November 13-16, Concord, NC. (First Place, Poster Competition)
  11. Wang, L. T. Aziz, and F. L. de los Reyes III (2011) Anaerobic Co-Digestion of Grease Trap Waste. NC American WaterWorks Association/Water Environment Association Annual Conference, November 13-16, Concord, NC. (Second Place, Poster Competition).
  12. He, X., M. Carpenter, and F. L. de los Reyes III (2009) Characterization of Grease Interceptors for Removing Fats, Oils, and Grease (FOG) in Sewer Systems. NC American WaterWorks Association/Water Environment Association Annual Conference, November 15-18, Raleigh, NC.
  13. Sobremisana, A., F. L de los Reyes III, and J. J. Ducoste (2009) Simultaneous Modeling Carbon and Nitrogen Removal under the Influence of Floc Size Distribution. NC American WaterWorks Association/Water Environment Association Annual Conference, November 15-18, Raleigh, NC.
  14. Hong, H., C. R. Mota, and F. L. de los Reyes III (2007), Ammonia oxidizers that also reduce nitrite: using SmRFF and 16S rRNA FISH to identify unique bacteria in activated sludge.  2007 NC AWWA/WEA Conference, December 3-5, Charlotte, NC (Second Place, Student Poster Competition).
  15. de los Reyes, F. L., J. Ducoste, M. Hyman, C. Mota, D. Aslett, and H. Hong (2007), New Approaches in Determining the Spatial and Metabolic Interactions of Nitrogen-Transforming Bacteria in Microbial Flocs, NSF MO/MIP Meeting, Mar. 1, Washington, DC.
  16. Skidmore, M. B. and F. L. de los Reyes III (2004), Cell Disruption to Improve the Dewaterability of Biosolids, NC American WaterWorks Association/Water Environment Association Annual Conference, November 13-15, Charlotte, NC.  (First Place, Student Poster Competition)
  17. Mota, C. R. and F. L. de los Reyes III (2004), Effects of Aeration Cycles on Nitrogen Removal and Populations of Nitrifying Bacteria in Intermittently-Aerated Reactors Treating Swine Wastewater, 2004 NC WWA/WEA Annual Conference, November 13-15, Charlotte, NC. (Second Place, Student Poster Competition).
  18. Gulez, G. and F. L. de los Reyes III (2004), What do Filaments like to Eat?, 2004 NC WWA/WEA Annual Conference, November 13-15, Charlotte, NC. (Third Place, Student Poster Competition).
  19. de los Reyes, F. L. III (2004), Environmental Engineering Meets Microbiology: Molecular Techniques for Investigating Biological Systems, 2004 Philippine-American Association of Scientists and Engineers Annual Meeting, August 13-14, 2004, University of Maryland, MD.
  20. Skidmore, M. B. and F. L. de los Reyes III (2004), Improving the Dewaterability of Biosolids Using Heat Treatment Combined With Cation Addition, NC Water Resources and Research Institute Annual Conference, March 30-31 (First Place, Student Poster Competition).
  21. Williams, J. and F. L. de los Reyes III (2003), Evaluation of a Couette-Taylor Device to Study Simultaneous Nitrification and Denitrification in Activated Sludge, 2003 NC WWA/WEA Annual Conference, November 16-19, Greensboro, NC. (First Place, Student Poster Competition).
  22. Mota, C. R. and F. L. de los Reyes III (2003),  Detection of Unusually High Levels of Nitrifying Bacteria in Reactors Treating High Nitrogen Wastewater, 2003 NC WWA/WEA Annual Conference, November 16-19, Greensboro, NC. (Second Place, Student Poster Competition).
  23. Lou, I. C. and F. L. de los ReyesIII (2003), Estimating Kinetic Parameters of Bulking and Non-Bulking Sludge Using Respirometry and Reactor Studies, 2003 NC WWA/WEA Annual Conference, November 16-19, Greensboro, NC.
  24. Mota, C. R., J. Cheng,  and F. L. de los Reyes III (2003) Quantifying Nitrifying Bacteria in Bioreactors Treating Swine Wastewater, 2003 Quad Conference, March 29-30, Blacksburg, VA.
  25. de los Reyes, F. L. III (2002), Molecular Techniques for Investigating Biological Treatment Systems: Lessons and Potentials, 2002 NC WWA/WEA Annual Conference, November 17-20, Winston-Salem, NC.
  26. Liao, J. and F. L. de los Reyes III (2002), Determining the In Situ Biomass of Bulking Causing Filamentous Bacteria in Activated Sludge,2002 NC WWA/WEA Annual Conference, November 17-20, Winston-Salem, NC.
  27. Lou, I. C. and F. L. de los Reyes III (2002), Modeling the Competition Between Filaments and Floc Formers in Activated ,2002 NC WWA/WEA Annual Conference, November 17-20, Winston-Salem, NC.
  28. Keith, J. and F. L. de los Reyes III (2002), Sampling Issues in Molecular Quantification of Microbial Populations, 2002 Quad Conference, February 9-10, Chapel Hill, NC.
  29. Keith, J. and F. L. de los Reyes III (2001), The NCSU Wastewater Treatment Plant Survey: or A Biologist in Engineering Country, NC West Piedmont AWWA/WEA Section Annual Meeting, August 16, Charlotte, NC.
  30. Keith, J. and F. L. de los Reyes III (2000), A Biologist in Engineer’s Country: A Survey of Microorganisms and Operational Problems in NC WWTPs, 2000 NC WEA/AWWA Annual Conference, November 12-15, Charlotte, NC. (Third Place, Student Poster Competition).
  31. de los Reyes, F. L. III and L. Raskin (1999), The Role of Filaments in Activated Sludge Foaming: Insights from Oligonucleotide Probe Hybridization Studies, AEESP Research Frontiers, July 31-August 3, State College, PA.
  32. Oerther, D.B., F. L. de los Reyes III, M. F. de los Reyes, and L. Raskin (1998), Quantifying A Seasonal Incident Of Biological Foaming At A Full Scale Wastewater Treatment Plant, Fourth Annual Midwestern Microbial Ecology Meeting, July 11-12, Lansing, MI.
  33. Mau, M., J. Crawford, D. Zheng, F. L. de los Reyes III, D. Oerther, J. Danalewich, G. Thompson, and L. Raskin (1998), Microbial Ecology of Wastewater Treatment and Agricultural Soil Systems, Environmental Horizons 98, April 21, Urbana-Champaign, IL

Invited Presentations

International

  1. Insights from a Life Studying Water and Wastes. Pisay STEM Talk, Philippine Science High School. March 26, 2021. (~1000 attendees on Zoom and FB Live).
  2. Fate of SARS-CoV-2 and Wastewater-based Epidemiology. Invited Talk, Philippine Institute of Chemical Engineers, Laguna Chapter Webinar. August 28, 2020.
  3. Grant Review and Approval Process in the US. Panel on R&D Grant Review and Evaluation. 40th Annual PAASE Meeting and Symposium. August 9, 2020. Philippine-American Academy of Science and Engineering.
  4. SARS-CoV-2 in water: Fate and Possibilities. Opening Plenary: COVID 19 Panel Discussion. 40th Annual PAASE Meeting and Symposium. July 20, 2020. Philippine-American Academy of Science and Engineering.
  5. Outreach to Philippine Regions, Plenary Session. 40th Annual PAASE Meeting and Symposium. August 7, 2020. Philippine-American Academy of Science and Engineering.
  6. Global Sanitation, Pandemics, and Rising Again. Invited webinar speaker, Wavefarers’ 2020 Call for Change: PandeMIC Check! Zoom and Facebook Live, May 30, 2020. (~150 attendees)
  7. Is SARS-CoV-2 in my water and sewage? Summary of the current science. Philippine Institute of Civil Engineers Webinar. May 4, 2020. (~300 attendees on Zoom, ~25 on Facebook Live).
  8. Fate of SARS-CoV-2 in water and wastewater. PAASE (Philippine-American Academy of Scientists and Engineers Webinar. April 16, 2020. (~300 attendees on Zoom, ~100 on YouTubeLive).
  9. Revealing the causal relationship between the anaerobic microbiome and co-digester performance using a common garden approach. February 27, 2020. University of the Philippines Diliman, Philippines
  10. Microbial Community Analysis of Environmental Systems using Molecular Techniques. February 27, 2020. 102nd Meeting of the National Academy of Science and Technology, Department of Science and Technology, Bicutan, Philippines.
  11. Linking the microbiome to function in treatment systems: Beyond “who’s there?”. February 26, 2020. Science Policy Forum on Microbial OMICS for Environmental Protection and Sustainable Development. National Academy of Science and Technology, Alabang, Philippines.
  12. Microbiology of anaerobic food waste digestion. February 24, 2020. University of the Philippines-Los Banos, Philippines.
  13. WHO Sanitation and Health Guidelines. Hosted September 5, 2019. Webinar by WHO and IWA.
  14. Relating Microbiomes to Reactor Operation: Anaerobic Co-Digestion as a Model System. And Global Sanitation Challenge. July 9, 2019. De La Salle University, Manila, Philippines.
  15. Biosolids Management and Regulations in the US. Use of sewage sludge in soils: contributions to Brazilian regulation. May 9-10, 2018. Universidade Federale Minais Gerais. Belo Horizonte, Brazil.
  16. Translation of Research in Sanitation: Lessons and Challenges. International Symposium on Research Translation and 66th Annual Convention of the Philippine Association for the Advancement of Science and Technology. Sept. 19-20, 2017. Manila, Philippines.
  17. Is Handwashing 9/10 of Better Sanitation?, 11th Women’s Forum for Economy and Society, Global Meeting in Deauville, France, 15, 2015
  18. Microbial Ecology of Bioreactors: Lessons in Science and in Life, Institute of Biological Sciences, University of the Philippines-Los Banos, Oct. 9, 2015
  19. Anaerobic Co-Digestion of GIW: A model for studying ecological theory, College of Engineering and Agro-Industrial Technology, University of the Philippines-Los Banos, Oct. 9, 2015
  20. Sanitation in the Developing World, published online on Truthloader.com and YouTube.com, Oct. 14, 2014. https://www.youtube.com/watch?v=1Ab_9HV2pSo
  21. Sanitation is a Basic Human Right, published online on TED.com Sept. 29, 2014. http://www.ted.com/talks/francis_de_los_reyes_sanitation_is_a_basic_human_right (over 710K views as of 4/2016)
  22. An Overview of Environmental Engineering and Microbiology Research, Ghent University, Belgium, October 8, 2013.
  23. Who’s there and what are they doing? Using Molecular Methods in Environmental Microbiology, University of Pretoria, South Africa, July 17, 2013
  24. Applications of Molecular Methods in Environmental Engineering, University of KwaZulu-Natal, Durban, South Africa, July 4, 2013
  25. Anaerobic Co-Digestion of Food and FOG, Newcastle University, Newcastle-Upon-Tyne, UK, June 14, 2013.
  26. From Molecular to Microbial to Global: Research and Work at Different Scales, Severino and Paz Koh Lecture, 33rd Annual Philippine-American Academy of Scientists and Engineers, Laoag City, Philippines, January 30, 2013.
  27. Molecular Methods in Environmental Engineering and Microbiology, Municipal Engineering, Wuhan University of Technology, Wuhan, China, June 30, 2012.
  28. Characters of Successful Scientists, an inspirational talk to 1000 students of the Philippine Science High School (Guest of Honor Talk at the PSHS Honor Convocation), Quezon City, Philippines, Sept. 5, 2011
  29. Molecular Methods in Environmental Engineering and Microbiology, Civil Engineering, Southeastern University, Nanjing, China, July 6, 2011.
  30. Linking Microbial Function to Microbial Identity in Complex Environmental Systems, Ateneo de Manila University, Quezon City, Philippines, June 13, 2011.
  31. Environmental and Spatial Factors Affecting Methanogenesis Initiation and Community Dynamics in Landfills, University of the Philippines-Los Banos, June 9, 2011.
  32. Applying Molecular Methods in Environmental Engineering and Microbiology, Biotechnology Program, TERI University, Vasant Kunj, Delhi, India, March 11, 2011.
  33. Revisiting Causation Theory in Microbial Ecology, Department of Microbiology, University of the Philippines at Los Banos, August 5, 2010.
  34. Molecular Approaches for Identifying and Quantifying Microorganisms in Environmental Engineering and Rumen Studies. Philippine Carabao Center, Science City of Munoz, Nueva Ecija, Philippines.  July 28, 2010.
  35. Status and Analysis of Wastewater Treatment in Montenegro, American Corner, Podogorica, Montenegro, September 25, 2009.
  36. Wastewater Treatment Technologies, US State Dept.,Mojkovac, Montenegro, September 24, 2009.
  37. Molecular Techniques, Water and Sanitation, and Science: Reflections of a Balik-Scientist, College of Arts and Sciences, University of the Philippines at Los Banos, January 6, 2009.
  38. Advances in Anaerobic Reactor Operation and Design, Department of Microbiology, University of the Philippines at Los Banos, December 15, 2008.
  39. The Microbial Ecology of the Floc, Department of Microbiology, University of the Philippines at Los Banos, December 15, 2008. 
  40.  Molecular Approaches for Determining Viability, Biomass, and In Situ Growth Rates in Complex Environments, Department of Microbiology, University of the Philippines at Los Banos, July 21, 2008.
  41. At the Interface: What Happens When You Combine Engineering and Molecular Biology, College of Engineering and Agro-Industrial Technology, University of the Philippines at Los Banos, July 21, 2008.
  42. Linking Microbial Phylogeny to Environmental Function, National Institute of Molecular Biology and Biotechnology, University of the Philippines- Diliman, July 18, 2008.
  43. Assessing Microbial Community Structure in Complex Environments, Department of Microbiology, University of the Philippines at Los Banos, July 7, 2008.
  44. Two Methods for DNA Fingerprinting: DGGE and T-RFLP, Department of Microbiology, University of the Philippines at Los Banos, July 2, 2008.
  45. Answering the Central Questions in Environmental Microbiology and Bioremediation Research Using Molecular Approaches, Ecotoxicology and Bioremediation Lecture, Life Sciences Lecture Series, Centro Escolar University, Manila, Philippines, Jan. 11, 2008.
  46. A Survey of Approaches in Molecular Microbiology, Molecular Microbiology and Biotechnology Institute, University of The Philippines-Diliman, Jan. 10, 2008.
  47. Molecular Microbial Methods in Environmental Engineering and Environmental Microbiology, Department of Chemical Engineering, University of the Philippines-Diliman, March 7, 2007.
  48. Molecular Techniques in Environmental Microbiology: Who’s there, How many, What are they doing?, Shanghai Academy of Environmental Sciences, Shanghai, China, August 6, 2006
  49. Molecular Techniques in Environmental Microbiology, Department of Microbiology, University of the Philippines at Los Banos, June 5, 2006
  50. Research Frontiers in Engineering and Molecular Biological Techniques, College of Engineering and Agro-Industrial Technology, University of the Philippines at Los Banos, June 6, 2006
  51. Using Molecular Techniques to Study Microbial Populations in Biological Treatment Systems, Department of Microbiology, University of the Philippines at Los Banos, Laguna, Philippines, June 6, 2000
  52. Advances in Molecular Microbial Ecology and their Applications in Environmental Engineering, Department of Chemistry, Ateneo de Manila University, Quezon City, Philippines, June 7, 2000

National, State, and Local Presentations

  1. Panel Discussion on Brave Blue World. NC AWWA-WEA. March 22, 2021. (~50 participants on Zoom)
  2. Wastewater surveillance for SARS-CoV-2: Potential, Progress, ProblemsInvited talk, 2020 Water Environment Federation Technical Conference and Exposition (WEFTEC). October 6, 2020.
  3. Wastewater surveillance for SARS-CoV-2: Potential, Progress, Problems. Invited talk, 2002 NC Pretreatment Coordinators Conference. Sept. 21, 2020.
  4. Challenges and Opportunities in Global Sanitation: A Systems View and the Case for Mechanized Pit Emptying. University of South Florida, April 17, 2020.
  5. The Global WASH Challenge. Wake STEM Early College, Jan, 31, 2020.
  6. Relating Microbiomes to Reactor Operation: Anaerobic Co-Digestion as a Model System. 2019 Chairs Technology Series, NC A&T University, Nov. 15, 2019.
  7. Challenges and Opportunities in Global Sanitation: A Systems View and the Case for Mechanized Pit Emptying. Clemson University, Nov. 8, 2019.
  8. The Global Sanitation Crisis: Science, Engineering, and Policy Challenges. Global Training Institute, NC State University, July 22, 2019.
  9. Innovations and Challenges in Global Sanitation: Lessons from Fecal Sludge Collection and Transport. San Diego State University, April 18-19, 2019.
  10. The Global WASH Crisis. Person Early College in Innovation and Learning, February 8, 2019.
  11. Relating Microbiomes to Reactor Operation: Anaerobic Co-Digestion as a Model System. Northwestern University, Nov. 30, 2018.
  12. A long walk to water/Sanitation crisis. Wake STEM Early College, October 12, 2017.
  13. My adventures in crap. Triangle Global Health Symposium, NC State University, September 28, 2017.
  14. The Global Sanitation Crisis: A wicked problem requiring systems thinking. Invited talk before AP Environmental Science HS teachers, Biology, NC State, July 17, 2017.
  15. The Global Sanitation Crisis: A wicked problem requiring systems thinking. Biology Department Seminar, UNC-Greensboro. April 19, 2017.
  16. The Global Sanitation Crisis: Science, Engineering, and Policy Challenges. Invited Plenary Talk, 2017 CMU-UAEM Health4All Symposium. Central Michigan University, Universities Allied for Essential Medicine. Mt. Pleasant, Michigan, April 8, 2017.
  17. Water and Sanitation, 2017 Rotary District Conference. Invited Panelist. Sheraton Raleigh Hotel. April 7, 2017.
  18. Finding New Research Directions with Others. Full Professors’ Community Series. Invited Discussant. Hunt Library, NCSU, February 10, 2017.
  19. The Global Sanitation Crisis: Science, Engineering, and Policy Challenges. Invited Plenary Talk, United Nations Dinner, Meredith College, Raleigh, NC. November 30, 2016.
  20. Effect of Shear on Granulation. Invited panelist, 2016 WEFTEC Workshop on Aerobic Granulation.
  21. Managing your Research. Invited panelist, NC State New Faculty Workshop, August 17, 2016
  22. The Global Sanitation Challenge: A systems view. Invited talk, Office of Sustainability and Pi Alpha Psi, NCSU, April 7, 2016.
  23. The Global Sanitation Crisis: Science, Engineering, and Policy Challenges. Invited Plenary Talk, 113th Annual NC Academy of Sciences Meeting, Methodist University, Fayetteville, NC. April 2, 2016.
  24. Activism and Advocacy, Filipino American Student Association, University of North Carolina at Greensboro, March 28, 2016.
  25. Invited Panelist, Timmy Global Health Session on Handwashing and Sanitation, Nov. 18, 2015, NCSU.
  26. Invited Speaker, Global Issues Class, Nov. 16, 2015, NCSU.
  27. Panel on Global Sustainability Issues, Panelist and Session Chair, Sustainability Office and Office of International Affairs, NCSU, October 20, 2015
  28. What happens when you flush? Or when you can’t flush? Science Café, NC Natural Science Museum, June 18, 2015.
  29. The Sanitation Crisis in the Developing World, United Nations Association of Raleigh, Meredith College, May 30, 2015.
  30. Microorganisms and Microscopy, NC Lab Tech Association, McKimmon Center, NCSU, May 5, 2015.
  31. The Sanitation Crisis in the Developing World, Truman State University, April 17, 2015.
  32. The Global Sanitation Crisis: A Systems View, Engineers Without Borders, NCSU, April 16, 2015.
  33. Linking Bioreactor Function to Microbial Communities: A Methodological Framework and Case Study. Civil and Environmental Engineering, Duke University, March 25, 2015.
  34. NC AWWA/WEA Workshop on Microscopic Techniques and Interpretation, North Carolina State University, August 19, 2014.
  35. Biological Nutrient Removal. North Durham Wastewater Treatment Facility, May 29, 2014.
  36. The Toilet Crisis: Sanitation in the Developing World. Ubuntu Speaker Series, NCSU. March 5, 2014.
  37. Thirst and Taboo. Water Week Seminar, NCSU.  26, 2014.
  38. A Comparison of the Sanitation Challenges in the Philippines and India. Symposium on Environment Across the Disciplines- Perspectives from India and Beyond, NCSU. April 19-20, 2013.
  39. Water and Sanitation: Challenges, Goal, and Solutions. Engineers Without Borders, NCSU Chapter.  14, 2013
  40. From Function to Phylogeny: Elucidating Who Does What in Environmental Systems, Northeastern University, Feb. 22, 2011.
  41. Molecular Approaches for Determining N-removing Microorganisms in Animal Waste Systems, College of Veterinary Medicine, NCSU, Jan. 26, 2011.
  42. Work at Different Scales: Engineering, Microbiology, and Sustainable Development, Department of Civil and Construction Engineering, Iowa State University, Ames, IA. Oct. 4, 2010.
  43. Molecular Techniques for Analyzing Microbial Populations, NC AWWA/WEA Advanced Topics in Wastewater Treatment Seminar, Burlington, NC, Sept. 14, 2010.
  44. Water and Sanitation in Developing Countries, Global Seminar on Sustainable Development, NCSU, March 17, 2009
  45. Microbial Examination of Activated Sludge, NC Lab Tech Association, NCSU McKimmon Center, May 20, 2008.
  46. Research Summary: Environmental Engineering and Microbiology, Entex Technologies, Inc., March 6, 2008.
  47. Molecular Microbial Methods in Environmental Microbiology, Department of Biology, University of North Carolina-Charlotte, September 21, 2007.
  48. Molecular Microbial Methods in Environmental Engineering, Kruger, Inc., Cary, NC, February 21, 2007.
  49. Molecular Techniques in Environmental Microbiology, UNC-Pembroke, Department of Chemistry, October 18, 2006
  50. Toward a More Complete ‘Structure-Function’ Analysis of N-Removal Using Molecular and Engineering Approaches, Department of Civil and Environmental Engineering, University of Illinois at Urbana-Champaign, May 4, 2006
  51. NC AWWA/WEA Biological Treatment Operators School, McKimmon Center, NCSU, May 3, 2006
  52. NC AWWA/WEA Workshop on Microscopic Techniques and Analysis, NCSU, March 17, 2006.
  53. Improving Biosolids Dewatering Through Moisture Distribution Analysis, NC Water Resources Research Institute Seminar Series, Oct. 18, 2005.
  54. NC AWWA/WEA Biological Treatment Operators School, McKimmon Center, NCSU, May 11, 2005
  55. NC AWWA/WEA Workshop on Microscopic Techniques and Interpretation, University of North Carolina- Charlotte, May 8, 2005.
  56. New Thinking in Activated Sludge: A Fresh Look at Microorganisms and their Role in Bulking, Foaming, and Nitrogen Removal, 2004ASCE NC Section Water Resources Fall Seminar, September 24, 2004, Greensboro Downtown Marriott, Greensboro, NC.
  57. NC AWWA/WEA Workshop on Microscopic Techniques and Interpretation, North Carolina State University, September 22-23, 2004.
  58. Bulking and Foaming in Activated Sludge Systems, 2004 NC Wastewater Treatment Operators Annual Meeting, September 13, 2004, Mebane Arts Center, Mebane, NC.
  59. Engineering meets Microbiology: Combining Reactor Studies with Molecular Approaches, Department of Microbiology, North Carolina State University, April 22, 2004 (as part of the Microbiology Seminar series)
  60. 1) Significance of Microscopy in Wastewater Treatment; 2) Wastewater Organisms and their Significance; 3) New Microscopic Approaches (3 separate talks), NC AWWA/WEA Workshop on Microscopic Techniques and Interpretation, North Carolina State University, April 19, 2004.
  61. Filaments in the Activated Sludge Brown Box: Modeling, Respirometry, and Molecular Techniques, Pre-Conference Workshop, Progress in Biological Treatment Processes, A Mini-Symposium in Honor of C.P. Leslie Grady, Jr., Clemson University, Feb. 20, 2004.
  62. FISHing for Filaments in Activated Sludge, Pre-Conference Workshop, 76th Water Environment Federation Annual Conference and Exposition (WEFTEC 2003), Los Angeles, CA October 11, 2003.
  63. New Microscopic Techniques, NC AWWA/WEA Workshop on Microscopic Techniques and Interpretation, North Carolina State University, April 7, 2003.
  64. Optimization of Wastewater Treatment Plants Using Genetic Algorithms, GPS-X User’s Workshop on Activated Sludge Modeling, Chicago, IL, Hydromantis Inc., October 3, 2002.
  65. Combined Molecular and Engineering Approaches for Studying Bulking and Foaming in Activated Sludge, Department of Environmental Science, Rutgers University, March 8, 2002.
  66. Probe Development for Bacillus Strain DA33, Novozymes Biologicals, Inc, March 12, 2002. Salem, VA.
  67. Combined Molecular and Engineering Approaches for Studying Filaments in Activated Sludge, Department of Civil and Environmental Engineering, University of Cincinnati, March 15, 2001 (a special seminar).
  68. Detecting and Quantifying Problem Organisms in Activated Sludge: Filaments, Foaming, and Oligonucleotide Probes, Department of Microbiology, North Carolina State University, February 1, 2001 (as part of the Microbiology Seminar series)
  69. The Use of Molecular Techniques in Commercial Biochemical Operations, Sybron Biochemicals.  January 3, 2000.