Publications

Google Scholar Profile (Most Current Citations

Journal Papers

2019

• P Parameswaran, R Krajmalnik-Brown, S Popat, B Rittmann, C Torres. Membrane biofilm reactors, systems, and methods for producing organic products. US Patent 10,435,659, 2019.
• J Flory, P Fromme, W Vermaas, B Rittman, C Torres, T Moore, A Moore. Microbial electro-photosynthesis. US Patent 10,385,304, 2019.
• D Ki, R Kupferer, CI Torres. High-rate stabilization of primary sludge in a single-chamber microbial hydrogen peroxide producing cell. Environmental Science: Water Research & Technology, 2019, 5, 1124-1131.

2018

• BG Lusk, I Peraza, G Albal, AK Marcus, SC Popat, CI Torres. pH dependency in anode Biofilms of Thermincola ferriacetica suggests a proton-dependent electrochemical response. Journal of the American Chemical Society, 2018, 140, 16, 5527-5534.
• S Tejedor-Sanz, P Fernández-Labrador, S Hart, CI Torres, A Esteve-Núñez. Geobacter dominates the inner layers of a stratified biofilm on a fluidized anode during brewery wastewater treatment. Frontiers in microbiology, 2018; Volume 9, Article 378.
• S Esquivel‐Elizondo, J Miceli III, CI Torres, R Krajmalnik‐Brown. Impact of carbon monoxide partial pressures on methanogenesis and medium chain fatty acids production during ethanol fermentation. Biotechnology and bioengineering, 2018; 115: 341-350. DOI: 10.1002/bit.26471.
• S Hart, C Wilson, M Young, D Ki, CI Torres. Improved characterization of anaerobic digestion kinetics of mixed sludges with and without thermally pretreated WAS. Proceedings of the Water Environment Federation, 2018.
• C Wilson, S Hart, M Young, D Ki, CTorres. Microbial electrochemical cells as an alternative to biochemical methane potential tests for analyzing batch anaerobic digestion kinetics. Proceedings of the Water Environment Federation, 2018.
• D Ki, R Kupferer, CI Torres. Primary sludge to valuable chemicals, hydrogen peroxide (H2O2), in microbial electrochemical cells-H2O2 production and in-situ sludge treatment. Proceedings of the Water Environment Federation, 2018.
• CI Torres, BE Rittman, K Tsakalis, P Evans. Wastewater Treatment Using Microbial Fuel Cells with Peroxide Production. Defense Technical Information Center.
• BG Lusk, A Colin, P Parameswaran, BE Rittmann, CI Torres. Simultaneous fermentation of cellulose and current production with an enriched mixed culture of thermophilic bacteria in a microbial electrolysis cell. Microbial biotechnology, 2018, 11, 63-73.

2017

• G. Lusk, A. Colin, P. Parameswaran, B.E. Rittmann, C.I. Torres. Simultaneous fermentation of cellulose and current production with an enriched mixed culture of thermophilic bacteria in a microbial electrolysis cell. Microbial Biotechnology, 2017, in press.
• Ki, S.C. Popat, B.E. Rittmann, C.I. Torres. H2O2 production in microbial electrochemical cells fed with primary sludge. Environmental Science & Technology, 2017, 51, 6139-6145.
• N. Young, N. Chowdhury, E. Garver, P.J. Evans, S.C. Popat, B.E. Rittmann, C.I. Torres. Understanding the impact of operational conditions on performance of microbial peroxide producing cells. Journal of Power Sources, 2017, 356, 448-458.
• Zhou, S. Dong, J. She, X. Cui, D. Ki, C.I. Torres, B.E. Rittmann. Intimate coupling of N-doped TiO2 photocatalyst and anode respiring bacteria for enhancing 4-chlorophenol degradation and current generation. Chemical Engineering Journal, 2017, 317, 882-889.
• Park, S. Park, V.K. Nugyen, J. Yu, C.I. Torres, B.E. Rittmann, T. Lee. Complete nitrogen removal by simultaneous nitrification and denitrification in flat-panel air-cathode microbial fuel cells treating domestic wastewater. Chemical Engineering Journal, 2017, 316, 673-679.
• Mahmoud, P. Parameswaran, C.I. Torres, B.E. Rittmann. Electrochemical techniques reveal that total ammonium stress increases electron flow to anode respiration in mixed-species bacterial anode biofilms. Biotechnology and Bioengineering, 2017, 114, 1151-1159.
• Ki, P. Parameswaran, S.C. Popat, B.E. Rittmann, C.I. Torres. Maximizing Coulombic recovery and solids reduction from primary sludge by controlling retention time and pH in a flat-plate microbial electrolysis cell.  Environmental Science: Water Research & Technology, 2017, 3, 333-339.

2016

• N. Young, M.J. Links, S.C. Popat, B.E. Rittmann, C.I. Torres. Tailoring Microbial Electrochemical Cells for Production of Hydrogen Peroxide at High Concentrations and Efficiencies. ChemSusChem, 2016, 9 (23), 3345-3352.
• F. Miceli III, C.I. Torres, R. Krajmalnik-Brown. Shifting the balance of fermentation products between hydrogen and volatile fatty acids: microbial community structure and function. FEMS Microbiology Ecology, 2016, 92 (12), fiw195.
• G. Lusk, P. Parameswaran, S.C. Popat, B.E. Rittmann, C.I. Torres. The effect of pH and buffer concentration on anode biofilms of Thermincola ferriacetica. Bioelectrochemistry, 2016, 112, 47-52.
• Sosa-Hernández, P. Parameswaran, G.S. Alemán-Nava, C.I. Torres, R. Parra-Saldívar. Evaluating biochemical methane production from brewer’s spent yeast. Journal of Industrial Microbiology & Biotechnology, 2016, 6, 1-10.
• C. Popat, C.I. Torres. Critical transport rates that limit the performance of microbial electrochemistry technologies. Bioresource Technology, 2016, 215, 265-273.45.
• Mahmoud, P. Parameswaran, C.I. Torres, B.E. Rittmann. Relieving the fermentation inhibition enables high electron recovery from landfill leachate in a microbial electrolysis cell. RSC Advances, 2016, 6, 6658 – 6664.
• Ki, S. C. Popat, C. I. Torres. Reduced overpotentials in microbial electrolysis cells through improved design, operation, and electrochemical characterization.  Chemical Engineering Journal, 2016, 287, 181-188.
• Sosa-Hernández, S. C. Popat, P. Parameswaran, G. S. Aleman-Nava, C. I. Torres, G. Buitron, R. Parra-Saldívar. Application of microbial electrolysis cells to treat spent yeast from an alcoholic fermentation.  Bioresource Technology, 2016, 200, 342-349.

2015

• G. Lusk, Q. F. Khan, P. Parameswaran, A. Hameed, N. Ali, B. E. Rittmann, C. I. Torres. Characterization of electrical current- generation capabilities from thermophilic bacterium Thermoanaerobacter pseudethanolicus using xylose, glucose, cellobiose, or acetate with fixed anode potentials.  Environmental Science & Technology, 2015, 49 (24), 14725-14731.
• Ki, P. Parameswaran, S. C. Popat, B. E. Rittmann, C. I. Torres. Effects of pre-fermentation and pulsed-electric-field treatment of primary sludge in microbial electrochemical cells.  Bioresource Technology, 2015, 195, 83-88.
• G. Lusk, J. P. Badalamenti, P. Parameswaran, D. R. Bond, C. I. Torres. Draft genome sequence of the gram-positive thermophilic iron reducer Thermincola ferriacetica strain Z-0001T.  Genome Announcements, 2015, 3, e01072-15.
• A. Yoho, S. C. Popat, L. Rago, A. Guisasola, C. I. Torres. Anode biofilms of Geoalkalibacter ferrihydriticus exhibit electrochemical signatures of multiple electron transport pathways.  Langmuir, 2015, 31, 12552-12559.
• Ki, P. Parameswaran, B. E. Rittmann, C. I. Torres. Effect of pulsed electric field pretreatment on primary sludge for enhanced bioavailability and energy capture.  Environmental Engineering Science, 2015, 32, 831-837.
• P. Badalamenti, R. Krajmalnik-Brown, C. I. Torres, D. R. Bond. Genomes of Geoalkalibacter ferrihydriticus Z-0531T and Geoalkalibacter subterraneus Red1T, Two Haloalkaliphilic Metal-Reducing Deltaproteobacteria.  Genome Announcements, 2015, 3, e00039-15.

2014

• A. Yoho, S. C. Popat, C. I. Torres. Dynamic potential-dependent electron transport pathway shifts in anode biofilms of Geobacter sulfurreducens.  ChemSusChem, 2014, 7, 3413-3419.
• C. Popat, D. Ki, M. N. Young, B. E. Rittmann, C. I. Torres. Buffer pKa and transport govern concentration overpotential in electrochemical oxygen reduction at neutral pH.  ChemElectroChem, 2014, 1, 1909-1915.
• F. Miceli III, I. Garcia-Pena, P. Parameswaran, C. I. Torres, R. Krajmalnik-Brown. Combining microbial cultures for the efficient production of electricity from butyrate in a microbial electrochemical cell.  Bioresource Technology, 2014, 169, 169-174.
• Ren, C. I. Torres, P. Parameswaran, B. E. Rittmann, J. Chae. Improved current and power density with a micro-scale microbial fuel cell due to a small characteristic length.  Biosensors and Bioelectronics, 2014, 61, 587-592.
• I. Torres. On the importance of identifying, characterizing, and predicting fundamental phenomena towards microbial electrochemistry applications.  Current Opinion in Biotechnology, 2014, 27, 107-114.
• Mahmoud, P. Parameswaran, C. I. Torres, and B. E. Rittmann. Fermentation pre-treatment of landfill leachate for enhanced electron recovery in a microbial electrolysis cell.  Bioresource Technology, 2014, 151, 151-158.
• G. Delgado, D. Fajardo-Williams, S. C. Popat, C. I. Torres, and R. Krajmalnik-Brown. Successful operation of continuous reactors at short retention times results in high-density, fast-rate Dehalococcoides dechlorinating cultures.  Applied Microbiology and Biotechnology, 2014, 98, 2729-2737.
• P. Badalamenti, C. I. Torres, and R. Krajmalnik-Brown. Coupling dark metabolism to electricity generation using photosynthetic cocultures.  Biotechnology and Bioengineering, 2014, 111, 223-231.

2013

• Parameswaran, T. Bry, S. C. Popat, B. G. Lusk, B. E. Rittmann, and C. I. Torres. Kinetic, electrochemical, and microscopic characterization of the thermophilic, anode-respiring bacterium Thermincola ferriacetica.  Environmental Science & Technology, 2013, 47, 4934-4940.
• P. Badalamenti, R. Krajmalnik-Brown, and C. I. Torres. Generation of high current densities by pure cultures of anode-respiring Geoalkalibacter spp. under alkaline and saline conditions in microbial electrochemical cells.  mBio, 2013, 4, e00144-13.
• P. Badalamenti, C. I. Torres, and R. Krajmalnik-Brown. Light-responsive current generation by phototrophically enriched anode biofilms dominated by green sulfur bacteria.  Biotechnology and Bioengineering, 2013, 110, 1020-1027.

2012

• Mahendra, P. Gedalanga, S. M. Kotay, C. I. Torres, C. S. Butler, and R. Goel. Advancements in molecular techniques and applications in environmental engineering.  Water Environment Research, 2012, 84, 814-844.
• F. Miceli, P. Parameswaran, D. W. Kang, R. Krajmalnik-Brown, and C. I. Torres. Enrichment and analysis of anode-respiring bacteria from diverse anaerobic inocula.  Environmental Science & Technology, 2012, 46, 10394-10355.
• C. Popat, D. Ki, B. E. Rittmann, and C. I. Torres. Importance of OH- transport from cathodes in microbial fuel cells.  ChemSusChem, 2012, 5, 1071-1079.
• R. Bond, S. M. Strycharz-Glaven, L. M. Tender, and C. I. Torres. On electron transport through Geobacterbiofilms. ChemSusChem, 2012, 5, 1099-1105.
• Parameswaran, C. I. Torres, D. W. Kang, B. E. Rittmann, and R. Krajmalnik-Brown. The role of homoacetogenic bacteria as efficient hydrogen scavengers in microbial electrochemical cells (MXCs).  Water Science and Technology, 2012, 65, 1-6.

2011

• Goel, S. M. Kotay, C. S. Butler, C. I. Torres, and S. Mahendra. Molecular biological methods in environmental engineering. Water Environment Research, 2011, 83, 927-955.
• I. Torres, S. Ramakrishna, C. A. Chiu, K. G. Nelson, P. Westerhoff, and R. Krajmalnik-Brown. Fate of sucralose during wastewater treatment.  Environmental Engineering Science, 2011, 28, 325-331.
• K. Marcus, C. I. Torres, and B. E. Rittmann. Analysis of a microbial electrochemical cell using the proton condition in biofilm (PCBIOFILM) model.  Bioresource Technology, 2011, 102, 253-262.
• Parameswaran, C. I. Torres, H. S. Lee, B. E. Rittmann, and R. Krajmalnik-Brown. Hydrogen consumption in microbial electrochemical systems (MXCs): The role of homo-acetogenic bacteria.  Bioresource Technology, 2011, 102, 263-271.
• Choi, H. S. Lee, Y. Yang, P. Parameswaran, C. I. Torres, B. E. Rittmann, and J. Chae. A microliter-scale micromachined microbial fuel cell having high power density.  Lab on a Chip, 2011, 11, 1110-1117.

2010

• K. Marcus, C. I. Torres, and B. E. Rittmann. Evaluating the impacts of migration in the biofilm anode using the model PCBIOFILM.  Electrochimica Acta, 2010, 55, 6964-6972.
• Parameswaran, H. S. Zhang, C. I. Torres, B. E. Rittmann, and R. Krajmalnik-Brown. Microbial community structure in a biofilm anode fed with a fermentable substrate: The significance of hydrogen scavengers.  Biotechnology and Bioengineering, 2010, 105, 69-78.
• I. Torres, A. K. Marcus, H. S. Lee, P. Parameswaran, R. Krajmalnik-Brown, and B. E. Rittmann. A kinetic perspective on extracellular electron transfer by anode-respiring bacteria.  FEMS Microbiology Reviews, 2010, 34, 3-17.

2009

• I. Torres, R. Krajmalnik-Brown, P. Parameswaran, A. K. Marcus, G. Wanger, Y. A. Gorby, and B. E. Rittmann. Selecting anode-respiring bacteria based on anode potential: Phylogenetic, electrochemical, and microscopic characterization.  Environmental Science & Technology, 2009, 43, 9519-9524.
• S. Lee, C. I. Torres, P. Parameswaran, and B. E. Rittmann. Fate of H2 in an upflow single-chamber microbial electrolysis cell using a metal-catalyst-free cathode.  Environmental Science & Technology, 2009, 43, 7971-7976.
• S. Lee, C. I. Torres, and B. E. Rittmann. Effects of substrate diffusion and anode potential on kinetic parameters for anode-respiring bacteria.  Environmental Science & Technology, 2009, 43, 7571-7577.
• Parameswaran, C. I. Torres, H. S. Lee, R. Krajmalnik-Brown, and B. E. Rittmann. Syntrophic interactions among anode-respiring bacteria (ARB) and non-ARB in a biofilm anode: Electron balances.  Biotechnology and Bioengineering, 2009, 103, 513-523.

2008

• I. Torres, H. S. Lee, and B. E. Rittmann. Carbonate species as OH- carriers for decreasing the pH gradient between cathode and anode in biological fuel cells.  Environmental Science & Technology, 2008, 42, 8773-8777.7.
• D. Marsolek, C. I. Torres, M. Hausner, and B. E. Rittmann. Intimate coupling of photocatalysis and biodegradation in a photocatalytic circulating-bed biofilm reactor.  Biotechnology and Bioengineering, 2008, 101, 83-92.
• I. Torres, A. K. Marcus, P. Parameswaran, and B. E. Rittmann. Kinetic experiments for evaluating the Nernst-Monod model for anode-respiring bacteria (ARB) in a biofilm anode.  Environmental Science & Technology, 2008, 42, 6593-6597.
• I. Torres, A. K. Marcus, and B. E. Rittmann. Proton transport inside the biofilm limits electrical current generation by anode-respiring bacteria.  Biotechnology and Bioengineering, 2008, 100, 872-881.
• S. Lee, P. Parameswaran, A. K. Marcus, C. I. Torres, and B. E. Rittmann. Evaluation of energy-conversion efficiencies in microbial fuel cells (MFCs) utilizing fermentable and non-fermentable substrates.  Water Research, 2008, 42, 1501-1510.

2007 and before

• K. Marcus, C. I. Torres, and B. E. Rittmann. Conduction-based modeling of the biofilm anode of a microbial fuel cell. Biotechnology and Bioengineering, 2007, 98, 1171-1182.
• I. Torres, A. K. Marcus, and B. E. Rittmann. Kinetics of consumption of fermentation products by anode-respiring bacteria. Applied Microbiology and Biotechnology, 2007, 77, 689-697.
• Cowman, C. I. Torres, and B. E. Rittmann.  Total nitrogen removal in an aerobic/anoxic membrane biofilm reactor system. Water Science and Technology, 2005, 52, 115-120.

Book Chapters

• A. Yoho, S. C. Popat, F. Fabregat-Santiago, S. Giménez, A. ter Heijne, C. I. Torres. Electrochemical impedance spectroscopy as a powerful analytical tool for the study of microbial electrochemical cells. In Electrochemically-Active Biofilms in Bioelectrochemical Systems: From Laboratory Practice to Data Interpretation, 2015, eds. H. Beyenal, J. Babauta; John Wiley & Sons, Inc. ISBN: 978-1-118-41349-4​.
• E. Rittmann, C. I. Torres, and A. K. Marcus. Perspectives on microbial fuel cells and other biomass-based renewable energy technologies.  In Emerging Environmental Technologies, 2008, ed. V. Shah, Springer ISBN: 978-1-4020-8785-1.