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首页> 外文期刊>Ecotoxicology >Application of isolated bacterial consortium in UMBR for detoxification of textile effluent: Comparative analysis of resultant oxidative stress and genotoxicity in catfish (Heteropneustes fossilis) exposed to raw and treated effluents
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Application of isolated bacterial consortium in UMBR for detoxification of textile effluent: Comparative analysis of resultant oxidative stress and genotoxicity in catfish (Heteropneustes fossilis) exposed to raw and treated effluents

机译：分离的细菌菌群在UMBR中用于纺织品废水排毒的应用：暴露于未经处理和经过处理的废水中的cat鱼（Heteropneustesiferis）产生的氧化应激和遗传毒性的比较分析

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A bacterial consortium isolated from activated sludge was identified to be Bacillus sp., Pseudomonas sp., Shigella sp. and E. coli. and was found capable of 98.62 % decolourization of highly toxic textile effluent, when applied in an ultrafiltration (UF) membrane bioreactor (UMBR). Ceramic capillary UF membranes prepared over low cost support proved to be highly efficient in adverse experimental conditions. The UMBR permeate and untreated textile effluent (40 % (v/v)) was then used to treat Heteropneustes fossilis for a comparative assessment of their toxicity. Micronucleus count in peripheral blood erythrocytes and comet assay carried out in liver and gill cells showed significantly lower nuclear and tissue specific DNA damage respectively in organisms exposed to membrane permeate and was further supported by considerably lower oxidative stress response enzyme activities in comparison to raw effluent treated individuals. The results indicate efficient detoxification of textile effluent by the UMBR treatment using the isolated bacterial consortium.
机译：从活性污泥中分离出的细菌聚生菌被鉴定为芽孢杆菌属，假单胞菌属，志贺氏菌属。和大肠杆菌。当应用于超滤（UF）膜生物反应器（UMBR）中时，发现具有高毒性纺织品废水98.62％的脱色能力。在不利的实验条件下，用低成本载体制备的陶瓷毛细管超滤膜被证明是高效的。然后将UMBR渗透液和未经处理的纺织品废水（40％（v / v））用于处理化石异形藻，以对其毒性进行比较评估。外周血红细胞中的微核计数以及在肝和g细胞中进行的彗星试验显示，暴露于膜渗透物的生物体的核和组织特异性DNA损伤分别显着降低，并且与未经处理的污水相比，氧化应激反应酶的活性明显降低个人。结果表明，使用分离的细菌财团通过UMBR处理可对纺织品废水进行有效排毒。

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