首页 > GenWay > GenWay/Toxoplasma gondii IgG Avidity Test/GWB-431F90/1x96 Assays

提醒：代购产品，无质量问题不接受退换货，下单前请仔细核对信息。下单后请及时联系客服核对商品价格，订单生效后再付款。

GenWay/Toxoplasma gondii IgG Avidity Test/GWB-431F90/1x96 Assays

价格：

登录查看

自营商城

解放采购

正品保障

及时交付

厂家直采

一站服务

货号：

GWB-431F90

品牌：

GenWay

会员服务：

尊享会员价

贵宾专线

运费优惠

闪电退款

福利优惠

上门换新

友情提示

以上价格仅为参考，请联系客服询价。

免费咨询热线

4000-520-616

产品说明

Description:ProductNameToxoplasmagondiiIgGAvidityTest.#ofSamples1x96Assays.IntendedUseTheToxoplasmagondiiIgGaviditytestisintendedtodifferentiatebetweenpastandacuteinfection.IntroductionTheaviditydeterminationisadiagnosticmethodwhichisusedtodifferentiatearecent(acute)andamoredistant(past)infectionwithToxoplasmagondiiinpatientsera.Avidityisthebindingforceoftheantibody(serumspecimen)withthecorrespondingantigen.LowavidIgGantibodiesintheearlystageofinfectioncanbedifferentiatedfromhighavidantibodiesassociatedwithapastinfection.ThedeterminationofIgGantibodyavidityisanadditionalanalysistotheclassicSEROlogyinregardtothestatusofaToxoplasmagondiiinfection.PrinciplesoftheassayMicrotiterstripwellscoatedwithToxoplasmaantigenareincubatedwithdilutedserumspecimen(dualpipetting).Afterwashingonewellisincubatedwithavidityreagentandthecorrespondingwellwithwashingbuffer.Inthisstepthelowavidityantibodiesareremovedfromtheantigenswhereasthehighavidityonesarestillboundtothespecificantigens.AntihumanIgGlabelledwithperoxidaseisadded.TheimmuncomplexisvisualizedwithTMBtogiveabluereactionproduct.Stopsolutionisaddedtostopthereactionandchangingthecolourofthereactionproductintoyellow.Absorbanceat450nmisreadusinganELISAmicrowellplatereader.StorageandStABIlityThereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2-8°C.Afterfirstopeningthereagentsarestableuptotheexpirydate.LimitationsoftheTestBacterialcontaminationorrepeatedfreeze-thawcyclesofthespecimenmayaffecttheabsorbancevalues.Diagnosisofaninfectiousdiseaseshouldnotbeestablishedonthebasisofasingletestresult.Aprecisediagnosisshouldtakeintoconsiderationclinicalhistory,symptomatologyaswellasserologicaldata.Inimmunocompromizedpatientsandnewbornsserologicaldataonlyhaverestrictedvalue.Aresultofhighaviditycannotexcludethepossibilityofarecentinfection.ReferencesM.H.Beaman,R.E.McCabe,S-Y.Wong,J.S.Remington,Toxoplasmagondii,Inc:PrinciplesandPracticeofInfectiousDiseases,G.L.Mandell,J.E.Bennet,R.Dolin,eds.,ChurchillLivingstonePubl.,Fourthedition,p.2455-2475(1995)KatalinN.Horvath,ZsuzsannaSzenasi,JozsefDankaandIstvanKucsera:ActaParasitologica,,50(3),p.255260(2005)K.Janitschke,J.LabMed,29(6),p.439-445(2005)HedmanK.,LappalainenM.,SeppalaI.,RecentprimaryToxoplasmosainfectionindicatedbyalowavidityspecificIgG,J.Infect.Dis.159,p.736740(1989)Joynson,DHM,PayneRA,RawalBK,PotencialroleofIgGavidityfordiagnosingToxoplasmosis,J.Clin.Pathol.43,p:1032-1033(1990)AdditionalInformation:NameToxoplasmagondiiIgGAvidityTestRelatedProductNamesToxoplasmagondiiIgGAvidityTestMolecularWeight0.5StorageThereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat+2...+8°C.Afterfirstopeningthereagentsarestableuptotheexpirydate.IntendedUseResearchUseOnly

GenWay生物科技是一家领先的蛋白质和抗体解决方案供应商。自1998年以来，他们已经提供蛋白质的解决方案和应用研究。迄今为止，GenWay生物科技的在圣地亚哥工厂产生了数以千计的蛋白质和抗体。公司致力于为客户提供研究界最好的试剂。如果产品不符合既定的规格，公司将全额退款。