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Comparing different methods for fast screening of microbiological quality of beach sand aimed at rapid-response remediation

Abstract : There is scientific evidence that beach sands are a significant contributor to the pathogen load to which visitors are exposed. To develop beach quality guidelines all beach zonesmust be included inmicrobiological evaluations, but monitoring methods for beach sand quality are relatively longstanding, expensive, laborious and require moderate laboratory infrastructure. This paper aimed to evaluate the microorganism activity in different beach zones applying and comparing a classical method of membrane filtration (MF) with two colorimetric screening methods based on fluorescein (FDA) and tetrazolium (TTC) salt biotransformation to evaluate a new rapid and low-cost method for beach sand microbiological contamination assessments. The colorimetric results can help beach managers to evaluate rapidly and at low cost the microbiological quality of different beach zones in order to decide whether remedial actions need to be adopted to prevent exposure of the public to microbes due to beach sand and/or water contamination
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https://hal.univ-lorraine.fr/hal-03167980
Contributor : Sylvie Cotelle <>
Submitted on : Friday, March 12, 2021 - 3:48:59 PM
Last modification on : Friday, March 19, 2021 - 10:10:24 AM

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Renan Testolin, Tito C.M. Almeida, Marcus Polette, Joaquim Branco, Larissa Fischer, et al.. Comparing different methods for fast screening of microbiological quality of beach sand aimed at rapid-response remediation. Marine Pollution Bulletin, Elsevier, 2017, 118 (1-2), pp.206-212. ⟨10.1016/j.marpolbul.2017.02.069⟩. ⟨hal-03167980⟩

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