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Journal article
Microbial fuel cell technology for measurement of microbial respiration of lactate as an example of bioremediation amendment
Biotechnology letters, v 30(8), pp 1385-1390
01 Aug 2008
PMID: 18414805
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Microbial fuel cell (MFC) based sensing was explored to provide for the development of an in situ bioremediation monitoring approach for substrate concentrations and microbial respiration rates. MFC systems were examined in column systems where Shewanella oneidensis MR1 used an external electron acceptor (an electrode) to metabolize lactate (a bioremediation additive) to acetate. Column systems were operated with varying influent lactate concentrations (0-41 mM) and monitored for current generation (0.01-0.39 mA). Biological current generation paralleled bulk phase lactate concentration both in the influent and in the bulk phase at the anode; current values were correlated to lactate concentration at the anode (R (2) = 0.9), The electrical signal provided real-time information for electron donor availability and biological activity. These results have practical implications for efficient and inexpensive real-time monitoring of in situ bioremediation processes where information on substrate concentrations is often difficult to obtain and where information on the rate and nature of metabolic processes is needed.
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Details
- Title
- Microbial fuel cell technology for measurement of microbial respiration of lactate as an example of bioremediation amendment
- Creators
- J. M. Tront - ETH ZurichJ. D. Fortner - Georgia Institute of TechnologyM. Ploetze - ETH, Inst Geotech Engn, CH-8093 Zurich, SwitzerlandJ. B. Hughes - Georgia Institute of TechnologyA. M. Puzrin - ETH Zurich
- Publication Details
- Biotechnology letters, v 30(8), pp 1385-1390
- Publisher
- Springer Nature
- Number of pages
- 6
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Civil, Architectural, and Environmental Engineering
- Web of Science ID
- WOS:000256909200012
- Scopus ID
- 2-s2.0-45849138532
- Other Identifier
- 991021931772104721
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Biotechnology & Applied Microbiology