垃圾渗滤液中典型内分泌干扰物质(EDCs)细胞毒性分析
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2020-04-09 14:20:43
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2017年第12卷第3期,327-335生态毒理学报AsianJournalofEcotoxicologyVb1.12.2017NO.3.327—335DOI:10.7524/AJE.1673—5897.20170115005侯昌成,赵玲,尹平河,等.垃圾渗滤液中典型内分泌干扰物质(EDCs)细胞毒性分析[J].生态毒理学报,2017,12(3):327-335HouCC,ZhaoL,YinPH,eta1.Cytotoxicityanalysisoftypicalendocrinedisruptingchemicals(EDCs)inlandfillleachateⅢ.AsianJournalofEcotoxi—cology,2017,l2(3):327—335(inChinese)垃圾渗滤液中典型内分泌干扰物质(EDCs)细胞毒性分析侯昌成,赵玲’,尹平河,陆钢1.暨南大学环境学院,广州环境暴露与健康重点实验室,广东环境污染与健康重点实验室,广州5106322.暨南大学生命科学技术学院,暨南大学分析测试中心,广州510632收稿日期:2017—01.15录用日期:2017—04—20摘要:垃圾渗滤液的人类健康风险评估日益受到人们重视,也成为研究热点。本文采用一种新型高级氧化技术uV—Fenton处理渗滤液,并用人体乳腺癌细胞(MCF一7)评估处理过程中渗滤液原液以及渗滤液中典型内分泌干扰物质(EDCs)的细胞毒性,对垃圾渗滤液中EDCs的细胞毒性和变化规律进行了研究。结果表明渗滤液中的邻苯二甲酸二丁酯(DBP)、双酚A(BPA)、壬基酚(1)是产生细胞毒性的主要物质,其毒性大小为DBP>BPA>NP。在同样的氧化降解过程中显示出不同毒性变化规律,通过GC.MS分析,结果显示Uv.Fenton过程中产生了大量的中间产物,这也是引起毒性变化的主要原因。实验结果也说明垃圾渗滤液细胞毒性可以通过uV—Fenton过程有效去除。关键词:垃圾渗滤液;内分泌干扰物质;人体乳腺癌细胞;细胞毒性;高级氧化过程;uv—Fenton;中间产物文章编号:1673.5897(2017)3-327—09中图分类号:X171.5文献标识码:ACytotoxicityAnalysisofTypicalEndocrineDisruptingChemicals(EDCs)inLandfillLeachateHouChangcheng,ZhaoLing’,YinPinghe,LuGang1.SchoolofEnvironment,GuangzhouKeyLaboratoryofEnvironmenmlExposureandHealth,GuangdongKeyLaboratoryofEnvi-ronmentalPollutionandHealth,JinanUniversity,Guangzhou510632,China2.CollegeofLifeScienceandTechnology,ResearchCenterofAnalysisandTest,JinanUniversity,Guangzhou510632,ChinaReceived15January2017accepted20April2017Abstract:Recently,thehea1mriskassessmentonthelandfil1leachatehasattractedincreasingattentionsandhasbecomearesearchfocus.Inthepresentstudy,anoveladvancedoxidationtechnology(UV-Fentontechnology)wasadoptedto仃eattheleachate.andthecelltoxicityofrawleachateandtypicalEDCsintheleachateinthetreatmentprocesshasbeenevaluatedbyusinghumanbreastcancercells(MCF.7、.Theresultsindicatedthatdi.butylphthalate(DBP),bisphenolA(BPA)andnonylphenol(NP)intheleachateweremainsubstanceswhichhavesig-nificantcytotoxicityonMCF-7cells.Thetoxicityvariationsofthesethreechemicalswerediferentinthesameox.idativedegradationprocess.andthetoxicityorderwasDBP>BPA>NPAccording
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