Endocrine disruptors, estrogenic activity by the YES bioassay, and acute toxicity in Southeastern Brazil metropolitan surface waters

Geochimica Brasiliensis Pub Date : 2022-03-20 DOI:10.21715/gb2358-2812.202236005

M. Nascimento, Ana Oliveira-Santos, D. Cunha, L. Felix, G. Gomes, C. Rangel, R. Hauser‐Davis, E. Fonseca, Daniele Maia-Bila, J. A. Baptista-Neto

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引用次数: 2

Abstract

This study aimed to determine endocrine disruptors in urbanized rivers Maracanã and Mangue Channel in Rio de Janeiro the second most populated city in Brazil. Bisphenol A, 17β-estradiol, estriol, and 17α-ethinylestradiol were determined by high-performance liquid chromatography with a diode array detector and fluorescence detector In addition, the evaluation of estrogenic activity was performed by the YES bioassay (Yeast estrogen screen) with the Saccharomyces cerevisiae yeast, and acute toxicity assays were performed using Daphnia similis and Vibrio fischeri. Estrogenic activity in the water samples ranged from below the limit of detection (

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巴西东南部大都市地表水的内分泌干扰物、雌激素活性和急性毒性

本研究旨在确定巴西人口第二多的城市里约热内卢的城市化河流Maracanã和Mangue通道中的内分泌干扰物。双酚A、17β-雌二醇、雌三醇和17α-炔雌二醇采用高效液相色谱二极管阵列检测器和荧光检测器检测，雌激素活性评价采用酵母雌激素筛选法(酵母雌激素筛选法)，急性毒性试验采用相似水蚤和费氏弧菌进行。水样的雌激素活性范围为低于检测限(

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Geochimica Brasiliensis

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16 weeks