Determining the Dose-Response Curve of Exoelectrogens: A Microscale Microbial Fuel Cell Biosensor for Water Toxicity Monitoring
2022-10
Source PublicationMICROMACHINES
EISSN2072-666X
Volume13Issue:10
DOI10.3390/mi13101560
AbstractNowadays, the development of real-time water quality monitoring sensors is critical. However, traditional water monitoring technologies, such as enzyme-linked immunosorbent assay (ELISA), liquid chromatography, mass spectroscopy, luminescence screening, surface plasma resonance (SPR), and analysis of living bioindicators, are either time consuming or require expensive equipment and special laboratories. Because of the low cost, self-sustainability, direct current output and real-time response, microbial fuel cells (MFCs) have been implemented as biosensors for water toxicity monitoring. In this paper, we report a microscale MFC biosensor to study the dose-response curve of exoelectrogen to toxic compounds in water. The microscale MFC biosensor has an anode chamber volume of 200 mu L, which requires less sample consumption for water toxicity monitoring compared with macroscale or mesoscale MFC biosensors. For the first time, the MFC biosensor is exposed to a large formaldehyde concentration range of more than 3 orders of magnitudes, from a low concentration of 1 x 10(-6) g/L to a high concentration of 3 x 10(-3) g/L in water, while prior studies investigated limited formaldehyde concentration ranges, such as a small concentration range of 1 x 10(-4) g/L to 2 x 10(-3) g/L or only one high concentration of 0.1 g/L. As a result, for the first time, a sigmoid dose-response relationship of normalized dose-response versus formaldehyde concentration in water is observed, in agreement with traditional toxicology dose-response curve obtained by other measurement techniques. The biosensor has potential applications in determining dose-response curves for toxic compounds and detecting toxic compounds in water.
Keywordmicrobial fuel cell (MFC) biosensor dose-response curve water toxicity monitoring exoelectrogen
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Indexed BySCIE ; EI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Instruments & Instrumentation ; Physics
WOS SubjectChemistry, Analytical ; Nanoscience & Nanotechnology ; Instruments & Instrumentation ; Physics, Applied
WOS IDWOS:000873217400001
PublisherMDPI
Original Document TypeArticle
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Document Type期刊论文
Identifierhttps://kms.shanghaitech.edu.cn/handle/2MSLDSTB/243324
Collection信息科学与技术学院_硕士生
信息科学与技术学院_PI研究组_任豪组
Corresponding AuthorRen, Hao
Affiliation
ShanghaiTech Univ, Sch Informat Sci & Technol, Shanghai 201210, Peoples R China
First Author AffilicationSchool of Information Science and Technology
Corresponding Author AffilicationSchool of Information Science and Technology
First Signature AffilicationSchool of Information Science and Technology
Recommended Citation
GB/T 7714
Fei, Sitao,Ren, Hao. Determining the Dose-Response Curve of Exoelectrogens: A Microscale Microbial Fuel Cell Biosensor for Water Toxicity Monitoring[J]. MICROMACHINES,2022,13(10).
APA Fei, Sitao,&Ren, Hao.(2022).Determining the Dose-Response Curve of Exoelectrogens: A Microscale Microbial Fuel Cell Biosensor for Water Toxicity Monitoring.MICROMACHINES,13(10).
MLA Fei, Sitao,et al."Determining the Dose-Response Curve of Exoelectrogens: A Microscale Microbial Fuel Cell Biosensor for Water Toxicity Monitoring".MICROMACHINES 13.10(2022).
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