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A photometric high-throughput method for identification of electrochemically active bacteria using a WO3 nanocluster probe.

ABSTRACT: Electrochemically active bacteria (EAB) are ubiquitous in environment and have important application in the fields of biogeochemistry, environment, microbiology and bioenergy. However, rapid and sensitive methods for EAB identification and evaluation of their extracellular electron transfer ability are still lacking. Herein we report a novel photometric method for visual detection of EAB by using an electrochromic material, WO(3) nanoclusters, as the probe. This method allowed a rapid identification of EAB within 5?min and a quantitative evaluation of their extracellular electron transfer abilities. In addition, it was also successfully applied for isolation of EAB from environmental samples. Attributed to its rapidness, high reliability, easy operation and low cost, this method has high potential for practical implementation of EAB detection and investigations.

SUBMITTER: Yuan SJ 

PROVIDER: S-EPMC3581827 | biostudies-other | 2013

REPOSITORIES: biostudies-other

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A photometric high-throughput method for identification of electrochemically active bacteria using a WO3 nanocluster probe.

Yuan Shi-Jie SJ   Yuan Shi-Jie SJ   He Hui H   Sheng Guo-Ping GP   Chen Jie-Jie JJ   Tong Zhong-Hua ZH   Cheng Yuan-Yuan YY   Li Wen-Wei WW   Lin Zhi-Qi ZQ   Zhang Feng F   Yu Han-Qing HQ  

Scientific reports 20130101

Electrochemically active bacteria (EAB) are ubiquitous in environment and have important application in the fields of biogeochemistry, environment, microbiology and bioenergy. However, rapid and sensitive methods for EAB identification and evaluation of their extracellular electron transfer ability are still lacking. Herein we report a novel photometric method for visual detection of EAB by using an electrochromic material, WO(3) nanoclusters, as the probe. This method allowed a rapid identifica  ...[more]