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Michel C, Joulian C, Tris H, Charnois F, Battaglia-Brunet F. Rapid and simple As(III) quantification using a turbidimetric test for the monitoring of microbial arsenic bio-transformation. J Microbiol Methods 2020; 177:106026. [PMID: 32795641 DOI: 10.1016/j.mimet.2020.106026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 08/03/2020] [Accepted: 08/03/2020] [Indexed: 10/23/2022]
Abstract
A turbidimetric test for rapid quantification of As(III) (detection limit of 3 mg/L, quantification range of 10-100 mg/L) in liquid growth medium was developed for assessing and monitoring microbial As(III)-oxidizing and As(V)-reducing activities. This test is based on As(III) chelation with pyrrolidine dithiocarbamate followed by spectrometric measurement of absorbance, and was validated by comparison with AAS quantification of As after As(III)/As(V) separation.
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Affiliation(s)
- Caroline Michel
- BRGM, DEPA (Direction de l'Eau, de l'Environnement, des Procédés et Analyses), GME (Unité Géomicrobiologie et Monitoring Environemental), 3 avenue Claude Guillemin, BP 36000, 45060 Orléans, Cedex 2, France.
| | - Catherine Joulian
- BRGM, DEPA (Direction de l'Eau, de l'Environnement, des Procédés et Analyses), GME (Unité Géomicrobiologie et Monitoring Environemental), 3 avenue Claude Guillemin, BP 36000, 45060 Orléans, Cedex 2, France
| | - Hafida Tris
- BRGM, DEPA (Direction de l'Eau, de l'Environnement, des Procédés et Analyses), GME (Unité Géomicrobiologie et Monitoring Environemental), 3 avenue Claude Guillemin, BP 36000, 45060 Orléans, Cedex 2, France
| | - Flavie Charnois
- BRGM, DEPA (Direction de l'Eau, de l'Environnement, des Procédés et Analyses), GME (Unité Géomicrobiologie et Monitoring Environemental), 3 avenue Claude Guillemin, BP 36000, 45060 Orléans, Cedex 2, France
| | - Fabienne Battaglia-Brunet
- BRGM, DEPA (Direction de l'Eau, de l'Environnement, des Procédés et Analyses), GME (Unité Géomicrobiologie et Monitoring Environemental), 3 avenue Claude Guillemin, BP 36000, 45060 Orléans, Cedex 2, France
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