3种氯代烷基有机磷酸酯 对土壤白符跳(Folsomiacandida)的毒性效应

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中图分类号:X171.5 文献标志码:A 文章编号:1672-2043(2025)12-3061-09 doi:10.11654/jaes.2024-1108
xic effects of three chlorinated alkyl organic phosphate esters on Folsomia candida in s(
LIUPeng,WEIXinni,SHI Jiayue,GAO Ge ,ZHU Hang ,ZHAOLong,DANGXiuli (1.CollegofandndEviontangAgricualUvesitytioalEginLboratoforntUlzatifl andFertilizerResoces,rtastKeyboatoryofseationdImproventofCultiatedand,nstryfgicultudual Affairs,Shenyang866,Cin;.CenterfornvioentalHealthRiskAsessentandesearch,CneseResearchAcadeyof Environmental Sciences,Beijing 10oo12, China)
Abstract:Toarifthoxicitydfrencsofdierenthloroalkygaicpospatestesonsoidwelingivertebatesrngtail survivalrateseproductionumber,andchangesinantioxidantezeactivityweremeasuedasteevaluatioendpointstostudythe toxicity effects of three exogenous organic phosphate esters(tri(2-chloroethyl) phosphate ester(TCEP),tri - ( 2 -chloropropyl)phosphate ester(TCPP),andtri(1,3-dichloro-2-propyl)phosphateester(TDCPP))onmodelorganismFolsomiacandidainblack.Tersults showedthattheLCsmedianlethalconcetration)ofTCEPandTCPforacutetoxicity(7days)toFolsomiacandidawerelessthan1000 mg·kg-1 ,respectively,while theLC5o of TDCPP exceeded 1 000mg⋅kg-1 .The EC5o(half effect concentration) of TCEP,TCPP,and TDCPP for the chronic toxicity of Folsomia candida(28 days) were 52.8, 9.0mg⋅kg-1 ,and 12.3mg⋅kg-1 ,respectively. TCPP had a significant inducing effect on SOD activity ( P<0.05| )in chronic toxicity,and the activity of CATwas most affected by TDCPP,showing an inhibitory effect(P-1) ,while itinhibits them at a high concentration( 48mg⋅kg-1) .The results of this study provide data support and theoretical basis for evaluating the ecological risksofchloroalkylorganicphospatestersonsoilinvertebates.Basedonetoxicitytresolds,itcanbeinferredthatteoic toxicityof the three chloroalkylorganic phosphate esters decreased in the following order:TCPP>TDCPP>TCEP. Keywords:organic phosphate esters; invertebrate; toxic effects; enzyme activity; soil
有机磷酸酯(OPEs)根据其取代基不同分为烷基、芳香基和卤代烷基磷酸酯。(剩余22063字)