ArticleSensors (Basel, Switzerland)2013
A potentiometric flow biosensor based on ammonia-oxidizing bacteria for the detection of toxicity in water.
Article in Sensors (Basel, Switzerland), 2013. 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.
- Chronoamperometric Ammonium Ion Detection in Water via Conductive Polymers and Gold Nanoparticles.Molecules (Basel, Switzerland) · 2024Article
- Bioelectrochemical biosensors for water quality assessment and wastewater monitoring.Open life sciences · 2024Review
- Recent advances in rapid pathogen detection method based on biosensors.European journal of clinical microbiology & infectious diseases : official publication of the European Society of Clinical Microbiology · 2018Review
- Detection of contaminants in water supply: A review on state-of-the-art monitoring technologies and their applications.Sensors and actuators. B, Chemical · 2018Review
Corrections and comments
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Authors and funding
4 authors.
Funding
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Abstract
A flow biosensor for the detection of toxicity in water using the ammonia-oxidizing bacterium (AOB) Nitrosomonas europaea as a bioreceptor and a polymeric membrane ammonium-selective electrode as a transducer is described. The system is based on the inhibition effects of toxicants on the activity of AOB, which can be evaluated by measuring the ammonium consumption rates with the ammonium-selective membrane electrode. The AOB cells are immobilized on polyethersulfone membranes packed in a holder, while the membrane electrode is placed downstream in the flow cell. Two specific inhibitors of the ammonia oxidation-allylthiourea and thioacetamide-have been tested. The IC50 values defined as the concentration of an inhibitor causing a 50% reduction in the ammonia oxidation activity have been measured as 0.17 μM and 0.46 μM for allylthiourea and thioacetamide, respectively. The proposed sensor offers advantages of simplicity, speed and high sensitivity for measuring toxicity in water.
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Registered trials
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