ArticleEcotoxicology (London, England)2021
On-line monitoring of water quality with a floating microbial fuel cell biosensor: field test results.
Article in Ecotoxicology (London, England), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Sustainable bilge water treatment and bioelectricity generation in microbial fuel cells: impact of substrate complexity on microbial adaptation.Biodegradation · 2026Article
- Microbial Fuel Cell Biosensor with Capillary Carbon Source Delivery for Real-Time Toxicity Detection.Sensors (Basel, Switzerland) · 2023Article
- Bio-electrochemical frameworks governing microbial fuel cell performance: technical bottlenecks and proposed solutions.RSC advances · 2022Review
- Design of Water Quality Monitoring System in Shaanxi Section of Weihe River Basin Based on the Internet of Things.Computational intelligence and neuroscience · 2022Article
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Authors and funding
3 authors.
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Abstract
Real-time biomonitoring using microbial fuel cell (MFC) based biosensors have been demonstrated in several laboratory studies, but field validation is lacking. This study describes the long-term performance of an MFC based biosensor developed for real-time monitoring of changes in the water quality of a metal-contaminated stream. After a startup in the laboratory, biosensors were deployed in a stream close to an active mining complex in Sudbury, ON, Canada. Three sites within the stream were selected for biosensors installation based on their positions relative to the mining complex discharge points - upstream (lowest heavy metals concentration), midpoint and downstream. The biosensors installed at these sites were able to detect, in real-time, temporal changes in the water quality over a 2-month period. The biosensor response was confirmed by the results of a conventional toxicity assay (48-h acute Daphnia magna) as well as analytical measurements of heavy metals concentration in the stream. We conclude that the biosensor could detect changes in the overall water quality of the stream despite the uncontrolled situations typical for field operations as compared to laboratory conditions. To further explain the results observed during the field test, the rapid Microtox bioassay and D. magna assay were used to investigate the possible contributions of the two dominant mining metals (Nickel and Copper) to water toxicity in the test area.
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