Deciphering simultaneous bioelectricity generation and dye decolorization using Proteus hauseri

Bor Yann Chen; Yu Min Wang; I. Son Ng; Shi Qi Liu; Jhao Yin Hung

doi:10.1016/j.jbiosc.2011.11.013

Deciphering simultaneous bioelectricity generation and dye decolorization using Proteus hauseri

Bor Yann Chen
, Yu Min Wang
, I. Son Ng
, Shi Qi Liu
, Jhao Yin Hung

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

33 Citations (Scopus)

Abstract

This first-attempt study disclosed how and why electron-shuttling mediators were capable to stimulate bioelectricity-generating capabilities of dye-bearing microbial fuel cells (MFCs) using Proteus hauseri. Due to significant biotoxicity of 4-aminophenol (4AP) and the absence of electron-mediating potential of 3AP, only 2AP among all isomers could work as an exogenous mediator to stimulate bioelectricity generation of P. hauseri. Dye toxicity to cells on anodic biofilm in MFCs apparently affected the performance of simultaneous bioelectricity production and color removal (SBP&CR) in MFCs. Plus, dose-response analysis upon toxicity potency of reactive blue 160 revealed that cells on anodic biofilm in MFCs had a higher tolerance to reactive blue 160 than suspended cells. Apparently, augmentation of electron mediator(s) with low toxicity was a feasible means to facilitate bioelectricity-generating capability of SBP&CR.

Original language	English
Pages (from-to)	502-507
Number of pages	6
Journal	Journal of Bioscience and Bioengineering
Volume	113
Issue number	4
DOIs	https://doi.org/10.1016/j.jbiosc.2011.11.013
Publication status	Published - 2012 Apr

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

All Science Journal Classification (ASJC) codes

Biotechnology
Bioengineering
Applied Microbiology and Biotechnology

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10.1016/j.jbiosc.2011.11.013

Cite this

@article{3946e195b2244bbf932dfa7610270625,

title = "Deciphering simultaneous bioelectricity generation and dye decolorization using Proteus hauseri",

abstract = "This first-attempt study disclosed how and why electron-shuttling mediators were capable to stimulate bioelectricity-generating capabilities of dye-bearing microbial fuel cells (MFCs) using Proteus hauseri. Due to significant biotoxicity of 4-aminophenol (4AP) and the absence of electron-mediating potential of 3AP, only 2AP among all isomers could work as an exogenous mediator to stimulate bioelectricity generation of P. hauseri. Dye toxicity to cells on anodic biofilm in MFCs apparently affected the performance of simultaneous bioelectricity production and color removal (SBP\&CR) in MFCs. Plus, dose-response analysis upon toxicity potency of reactive blue 160 revealed that cells on anodic biofilm in MFCs had a higher tolerance to reactive blue 160 than suspended cells. Apparently, augmentation of electron mediator(s) with low toxicity was a feasible means to facilitate bioelectricity-generating capability of SBP\&CR.",

author = "Chen, \{Bor Yann\} and Wang, \{Yu Min\} and Ng, \{I. Son\} and Liu, \{Shi Qi\} and Hung, \{Jhao Yin\}",

note = "Funding Information: The authors sincerely appreciate Taiwan's National Science Council for supporting this research for Biochemical Engineering Laboratory sdg under financial supports of NSC 98-2221-E-197-007-MY3 and NSC 100-2621-M-197-001 . This study was completed as part of cooperative achievements for Academic Exchange Program between Xiamen University (China) and National I-Lan University (Taiwan) in 2010{\textendash}2011. This work is also dedicated to the memory of Dr. Henry Tabak (who passed away on August 25, 2011) when the corresponding author was on duty under Henry's mentorship in US Environmental Protection Agency during 1998{\textendash}1999. Without his mentorship to the corresponding author, the core concept of this study may not have been formed and new aspects to decipher bioelectricity generation and dye decolorization may not have been developed. ",

year = "2012",

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doi = "10.1016/j.jbiosc.2011.11.013",

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journal = "Journal of Bioscience and Bioengineering",

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AU - Hung, Jhao Yin

N1 - Funding Information: The authors sincerely appreciate Taiwan's National Science Council for supporting this research for Biochemical Engineering Laboratory sdg under financial supports of NSC 98-2221-E-197-007-MY3 and NSC 100-2621-M-197-001 . This study was completed as part of cooperative achievements for Academic Exchange Program between Xiamen University (China) and National I-Lan University (Taiwan) in 2010–2011. This work is also dedicated to the memory of Dr. Henry Tabak (who passed away on August 25, 2011) when the corresponding author was on duty under Henry's mentorship in US Environmental Protection Agency during 1998–1999. Without his mentorship to the corresponding author, the core concept of this study may not have been formed and new aspects to decipher bioelectricity generation and dye decolorization may not have been developed.

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AB - This first-attempt study disclosed how and why electron-shuttling mediators were capable to stimulate bioelectricity-generating capabilities of dye-bearing microbial fuel cells (MFCs) using Proteus hauseri. Due to significant biotoxicity of 4-aminophenol (4AP) and the absence of electron-mediating potential of 3AP, only 2AP among all isomers could work as an exogenous mediator to stimulate bioelectricity generation of P. hauseri. Dye toxicity to cells on anodic biofilm in MFCs apparently affected the performance of simultaneous bioelectricity production and color removal (SBP&CR) in MFCs. Plus, dose-response analysis upon toxicity potency of reactive blue 160 revealed that cells on anodic biofilm in MFCs had a higher tolerance to reactive blue 160 than suspended cells. Apparently, augmentation of electron mediator(s) with low toxicity was a feasible means to facilitate bioelectricity-generating capability of SBP&CR.

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Deciphering simultaneous bioelectricity generation and dye decolorization using Proteus hauseri

Abstract

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