Screen-printed electrodes: New tools for developing microbial electrochemistry at microscale level
Energies, ISSN: 1996-1073, Vol: 8, Issue: 11, Page: 13211-13221
2015
- 16Citations
- 134Usage
- 80Captures
- 1Mentions
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
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Metrics Details
- Citations16
- Citation Indexes16
- CrossRef16
- 15
- Academic Citation Index (ACI) - airiti1
- Usage134
- Downloads89
- Abstract Views45
- Captures80
- Readers80
- 44
- 36
- Mentions1
- News Mentions1
- News1
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Article Description
Microbial electrochemical technologies (METs) have a number of potential technological applications. In this work, we report the use of screen-printed electrodes (SPEs) as a tool to analyze the microbial electroactivity by using Geobacter sulfurreducens as a model microorganism. We took advantage of the small volume required for the assays (75 μL) and the disposable nature of the manufactured strips to explore short-term responses of microbial extracellular electron transfer to conductive materials under different scenarios. The system proved to be robust for identifying the bioelectrochemical response, while avoiding complex electrochemical setups, not available in standard biotechnology laboratories. We successfully validated the system for characterizing the response of Geobacter sulfurreducens in different physiological states (exponential phase, stationary phase, and steady state under continuous culture conditions) revealing different electron transfer responses. Moreover, a combination of SPE and G. sulfurreducens resulted to be a promising biosensor for quantifying the levels of acetate, as well as for performing studies in real wastewater. In addition, the potential of the technology for identifying electroactive consortia was tested, as an example, with a mixed population with nitrate-reducing capacity. We therefore present SPEs as a novel low-cost platform for assessing microbial electrochemical activity at the microscale level.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84950297101&origin=inward; http://dx.doi.org/10.3390/en81112367; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84955126896&origin=inward; https://www.mdpi.com/1996-1073/8/11/12367; https://repository.hkbu.edu.hk/geog_ja/5; https://repository.hkbu.edu.hk/cgi/viewcontent.cgi?article=1004&context=geog_ja; https://dx.doi.org/10.3390/en81112367; https://www.mdpi.com/1996-1073/8/11/12367/pdf; https://www.mdpi.com/1996-1073/8/11/12367/htm; http://repository.hkbu.edu.hk/geog_ja/5; http://www.mdpi.com/1996-1073/8/11/12367; https://www.mdpi.com/1996-1073/8/11/12367/pdf?version=1448268065
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