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Effects of NaCl concentration on anode microbes in microbial fuel cells

Overview of attention for article published in AMB Express, June 2015
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3 X users

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86 Mendeley
Title
Effects of NaCl concentration on anode microbes in microbial fuel cells
Published in
AMB Express, June 2015
DOI 10.1186/s13568-015-0123-6
Pubmed ID
Authors

Morio Miyahara, Atsushi Kouzuma, Kazuya Watanabe

Abstract

Understanding of how operational parameters affect the composition of exoelectrogenic microbes is an important step in the development of efficient microbial fuel cells (MFCs). In the present study, single-chamber MFCs were inoculated with rice paddy-field soil and continuously supplied with an acetate medium containing different concentrations of NaCl (0-1.8 M). Polarization analyses showed that power output increased as the NaCl concentration increased to 0.1 M, while it was markedly diminished over 0.3 M. The increase in power output was associated with an increased abundance of anode microbes as assessed by protein assays. Notably, the power increase was also accompanied by an increase in the abundance ratio of Geobacter bacteria to total anode bacteria as assessed by pyrosequencing of 16S rRNA gene amplicons and specific quantitative PCR. Although most Geobacter species are known to exhibit high growth rates in freshwater media without NaCl, the present study shows that 0.1 M NaCl facilitates the growth of Geobacter in MFC anode biofilms. This result suggests that the optimum salt concentration in MFC is determined by the balance of two factors, namely, the solution conductivity and salt tolerance of exoelectrogens.

X Demographics

X Demographics

The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 86 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 1%
Unknown 85 99%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 25 29%
Student > Master 15 17%
Researcher 15 17%
Student > Doctoral Student 6 7%
Student > Bachelor 6 7%
Other 12 14%
Unknown 7 8%
Readers by discipline Count As %
Engineering 14 16%
Agricultural and Biological Sciences 14 16%
Environmental Science 13 15%
Chemical Engineering 8 9%
Biochemistry, Genetics and Molecular Biology 6 7%
Other 15 17%
Unknown 16 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 17 June 2015.
All research outputs
#15,865,970
of 23,569,120 outputs
Outputs from AMB Express
#463
of 1,254 outputs
Outputs of similar age
#158,496
of 267,703 outputs
Outputs of similar age from AMB Express
#10
of 15 outputs
Altmetric has tracked 23,569,120 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,254 research outputs from this source. They receive a mean Attention Score of 2.8. This one is in the 40th percentile – i.e., 40% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 267,703 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 32nd percentile – i.e., 32% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 15 others from the same source and published within six weeks on either side of this one. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.