Reguera is a leader in the emerging field of electromicrobiology and potential applications of electroactive microbial biofilms in bioenergy and bioremediation.[5][6] In 2011, her group discovered that uranium could be reduced outside the cell.[7]
Extracellular electron transfer via microbial nanowires. Gemma Reguera, Kevin D McCarthy, Teena Mehta, Julie S Nicoll, Mark T Tuominen, Derek R Lovley. 2005. Nature.
Biofilm and nanowire production leads to increased current in Geobacter sulfurreducens fuel cells. Gemma Reguera, Kelly P Nevin, Julie S Nicoll, Sean F Covalla, Trevor L Woodard, Derek R Lovley. 2006. Applied and environmental microbiology.
Extracellular electron transfer mechanisms between microorganisms and minerals. Liang Shi, Hailiang Dong, Gemma Reguera, Haluk Beyenal, Anhuai Lu, Juan Liu, Han-Qing Yu, James K Fredrickson. 2016. Nature Reviews Microbiology.
Electroactive biofilms: current status and future research needs. Abhijeet P Borole, Gemma Reguera, Bradley Ringeisen, Zhi-Wu Wang, Yujie Feng, Byung Hong Kim. 2011. Energy & Environmental Science.