Improvement of a microbial fuel cell performance as a BOD sensor using respiratory inhibitors

In Seop Chang, Hyunsoo Moon, Jae Kyung Jang, Byung Hong Kim

Research output: Contribution to journalArticle

163 Citations (Scopus)

Abstract

Studies were made to improve the performance of a microbial fuel cell (MFC) as a biochemical oxygen demand (BOD) sensor. The signal from MFCs decreased in the presence of electron acceptors of higher redox potential such as nitrate and oxygen. The addition of azide and cyanide did not change the signal in the absence of the electron acceptors. The respiratory inhibitors eliminated the inhibitory effects of the electron acceptors on the current generation from MFCs. Similar results were obtained using oligotrophic MFCs fed with an environmental sample that contained nitrate. The use of the respiratory inhibitors is therefore recommended for the accurate BOD measurement of environmental samples containing nitrate and/or oxygen with an MFC-type BOD sensor.

Original languageEnglish
Pages (from-to)1856-1859
Number of pages4
JournalBiosensors and Bioelectronics
Volume20
Issue number9
DOIs
Publication statusPublished - 15 Mar 2005
Externally publishedYes

Fingerprint

Bioelectric Energy Sources
Microbial fuel cells
Biochemical oxygen demand
Nitrates
Oxygen
Electrons
Sensors
Azides
Cyanides
Oxidation-Reduction

Keywords

  • Biosensor
  • BOD
  • Inhibitor
  • Microbial fuel cell
  • Respiration

ASJC Scopus subject areas

  • Biotechnology
  • Analytical Chemistry
  • Electrochemistry

Cite this

Improvement of a microbial fuel cell performance as a BOD sensor using respiratory inhibitors. / Chang, In Seop; Moon, Hyunsoo; Jang, Jae Kyung; Kim, Byung Hong.

In: Biosensors and Bioelectronics, Vol. 20, No. 9, 15.03.2005, p. 1856-1859.

Research output: Contribution to journalArticle

Chang, In Seop ; Moon, Hyunsoo ; Jang, Jae Kyung ; Kim, Byung Hong. / Improvement of a microbial fuel cell performance as a BOD sensor using respiratory inhibitors. In: Biosensors and Bioelectronics. 2005 ; Vol. 20, No. 9. pp. 1856-1859.
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