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Tytuł pozycji:

Bioassay: A useful tool for evaluating reclaimed water safety.

Tytuł :
Bioassay: A useful tool for evaluating reclaimed water safety.
Autorzy :
Xu, Jianying ()
Wei, Dongbin ()
Wang, Feipeng ()
Bai, Chenzhong ()
Du, Yuguo ()
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Temat :
AQUATIC sports safety measures
BIOLOGICAL assay
IN vitro toxicity testing
WATER quality
POISONS
Źródło :
Journal of Environmental Sciences (Elsevier). Feb2020, Vol. 88, p165-176. 12p.
Czasopismo naukowe
Wastewater reclamation and reuse has been proved to be an effective way to relieve the fresh water crisis. However, toxic contaminants remaining in reclaimed water could lead to potential risk for reuse, and the conventional water quality standards have difficulty guaranteeing the safety of reclaimed water. Bioassays can vividly reflect the integrated biological effects of multiple toxic substances in water as a whole, and could be a powerful tool for evaluating the safety of reclaimed water. Therefore, in this study, the advantages and disadvantages of using bioassays for evaluating the safety of reclaimed water were compared with those of conventional water quality standards. Although bioassays have been widely used to describe the toxic effects of reclaimed water and treatment efficiency of reclamation techniques, a single bioassay cannot reflect the complex toxicity of reclaimed water, and a battery of bioassays involving multiple biological effects or in vitro tests with specific toxicity mechanisms would be recommended. Furthermore, in order to evaluate the safety of reclaimed water based on bioassay results, various methods including potential toxicology, the toxicity unit classification system, and a potential eco-toxic effects probe are summarized as well. Especially, some integrated ranking methods based on a bioassay battery involving multiple toxicity effects are recommended as useful tools for evaluating the safety of reclaimed water, which will benefit the promotion and guarantee the rapid development of the reclamation and reuse of wastewater. Unlabelled Image [ABSTRACT FROM AUTHOR]
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