John (Jay) Regan

IEE Faculty Member
Titles and Affiliations
Professor of Environmental Engineering, Civil and Environmental Engineering

Research Summary

Research interests include biological processes with an emphasis on nutrient removal, regrowth in drinking water distribution systems, fermentative biological hydrogen production, microbial fuel cells, methanogenic systems and molecular microbial ecology.

In the News

Research Keywords

Projects

Recent Publications

Using fixed-potential electrodes to quantify iron and manganese redox cycling in upland soils

Hodges, C., Regan, J. M., Forsythe, B., Oakley, D., Kaye, J. & Brantley, S. L., Jan 2023, In: Biogeochemistry. 162, 1, p. 25-42 18 p.

Research output: Contribution to journalArticlepeer-review

Gluconacetobacter diazotrophicus Inoculation of Two Lettuce Cultivars Affects Leaf and Root Growth under Hydroponic Conditions

Sebring, R. L., Duiker, S. W., Berghage, R. D., Regan, J. M., Lambert, J. D. & Bryant, R. B., Feb 1 2022, In: Applied Sciences (Switzerland). 12, 3, 1585.

Research output: Contribution to journalArticlepeer-review

Polyphosphate Accumulation Tracks Incremental P-Enrichment in a Temperate Watershed (Pennsylvania, United States) as an Indicator of Stream Ecosystem Legacy P

Taylor, S., Saia, S. M., Buda, A. R., Regan, J. M., Walter, M. T. & Carrick, H. J., Jul 6 2022, In: Frontiers in Environmental Science. 10, 920733.

Research output: Contribution to journalArticlepeer-review

Rumen Inoculum Enhances Cathode Performance in Single-Chamber Air-Cathode Microbial Fuel Cells

Vargas, I. T., Tapia, N. & Regan, J. M., Jan 1 2022, In: Materials. 15, 1, 379.

Research output: Contribution to journalArticlepeer-review

Enumeration of exoelectrogens in microbial fuel cell effluents fed acetate or wastewater substrates

Kim, K. Y., Rossi, R., Regan, J. M. & Logan, B. E., Jan 15 2021, In: Biochemical Engineering Journal. 165, 107816.

Research output: Contribution to journalArticlepeer-review

Critical review of polyphosphate and polyphosphate accumulating organisms for agricultural water quality management

Saia, S. M., Carrick, H. J., Buda, A. R., Regan, J. M. & Todd Walter, M., Mar 2 2021, In: Environmental Science and Technology. 55, 5, p. 2722-2742 21 p.

Research output: Contribution to journalReview articlepeer-review

Impact of cathodic electron acceptor on microbial fuel cell internal resistance

Lawson, K., Rossi, R., Regan, J. M. & Logan, B. E., Nov 2020, In: Bioresource technology. 316, 123919.

Research output: Contribution to journalArticlepeer-review

Quantifying the factors limiting performance and rates in microbial fuel cells using the electrode potential slope analysis combined with electrical impedance spectroscopy

Rossi, R., Hall, D. M., Wang, X., Regan, J. M. & Logan, B. E., Jul 10 2020, In: Electrochimica Acta. 348, 136330.

Research output: Contribution to journalArticlepeer-review

Organotrophic acid-tolerant microorganisms enriched from an acid mine drainage affected environment as inoculum for microbial fuel cells

Leiva-Aravena, E., Leiva, E., Zamorano, V., Rojas, C., Regan, J. M. & Vargas, I. T., Aug 15 2019, In: Science of the Total Environment. 678, p. 639-646 8 p.

Research output: Contribution to journalArticlepeer-review

Full cell simulation and the evaluation of the buffer system on air-cathode microbial fuel cell

Ou, S., Kashima, H., Aaron, D. S., Regan, J. M. & Mench, M. M., 2017, In: Journal of Power Sources. 347, p. 159-169 11 p.

Research output: Contribution to journalArticlepeer-review

Electrochemically active microorganisms from an acid mine drainage-affected site promote cathode oxidation in microbial fuel cells

Rojas, C., Vargas, I. T., Bruns, M. A. & Regan, J. M., Dec 2017, In: Bioelectrochemistry. 118, p. 139-146 8 p.

Research output: Contribution to journalArticlepeer-review

Evidence for polyphosphate accumulating organism (PAO)-mediated phosphorus cycling in stream biofilms under alternating aerobic/anaerobic conditions

Saia, S. M., Sullivan, P. J., Regan, J. M., Carrick, H. J., Buda, A. R., Locke, N. A. & Walter, M. T., Jun 2017, In: Freshwater Science. 36, 2, p. 284-296 13 p.

Research output: Contribution to journalArticlepeer-review

Kinetic study on anaerobic oxidation of methane coupled to denitrification

Yu, H., Kashima, H., Regan, J. M., Hussain, A., Elbeshbishy, E. & Lee, H. S., Sep 2017, In: Enzyme and Microbial Technology. 104, p. 47-55 9 p.

Research output: Contribution to journalArticlepeer-review

Step-feed strategy enhances performance of unbuffered air-cathode microbial fuel cells

Zhang, L., Zhu, X., Li, J., Kashima, H., Liao, Q. & Regan, J. M., 2017, In: RSC Advances. 7, 54, p. 33961-33966 6 p.

Research output: Contribution to journalArticlepeer-review

Modeling and validation of single-chamber microbial fuel cell cathode biofilm growth and response to oxidant gas composition

Ou, S., Zhao, Y., Aaron, D. S., Regan, J. M. & Mench, M. M., Oct 1 2016, In: Journal of Power Sources. 328, p. 385-396 12 p.

Research output: Contribution to journalArticlepeer-review