商品信息
联系客服

郑重提醒:
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/Measles Virus IgG/GWB-86C215/1x96 Assays
免费咨询热线
4000-520-616
Description:
ProductName | MeaslesVirusIgG-ELISA. |
---|---|
#ofSamples | 1x96Assays. |
IntendedUse | TheMeaslesvirusIgG-ELISAisintendedforthequalitativedeterminationofIgGclassantibodiesagainstMeaslesvirusinhumanserumorplasma(citrate). |
Introduction | MeaslesormorbillivirusbelongstotheRNAvirusesofthefamilyParamyxoviridae.Thevirionsaresphericalparticlesof150-250nmindiameterconsistingoftheribonucleoproteinwithhelicalsymmetryandanenvelopewithspikescontainingthestrain-specificandhemagglutinatingantigens.Morbilliviruseshavenoneuraminidaseactivity.Measlesisaclassicchildhooddisease.Thevirusisendemic:attheageof20about90%ofthepopulationhashadimmunologicalexperiencewithit.Newbornsareprotectedbymaternalantibodiesforthefirst3-4monthsoflife;theactivediseaseleaveslifelongimmunity.Themeaslesvirushasacontagiousityindexofabout96%,isworldwidedistributed,andcanbeserious.Bacterialsuperinfectionwasaseriousthreatinthepreantibioticera,buttheprognosisofuncomplicatedmeaslesisnowgood.CNScomplicationssuchasencephalomyelitis(0.1%)whichmayoccuraftertheacutephaseofmeaslesinfectionsubsides,howeverstillhaveahighmortality(10%).Prognosisofrecoveryinthesepatientsispoor.Between10-30%ofallcasesarefatal;20-50%developsignificantdamages.Subacutesclerosingpanencephalitis(SSPE)isarare(1:1000)degenerativediseaseoftheCNSwhichisthoughttobeaslowvirusinfection. Thepresenceofvirusresp.infectionmaybeidentifiedby PCR Complementfixation,Hemagglutination-Inhibition,Neutralization DetectionofantibodyproductionbyELISA. |
Principlesoftheassay | ThequalitativeimmunoenzymaticdeterminationofIgG-classantibodiesagainstMeaslesisbasedontheELISA(Enzyme-linkedImmunosorbentAssay)technique.MicrotiterstripwellsareprecoatedwithMeaslesantigenstobindcorrespondingantibodiesofthespecimen.AfterwashingthewellstoremoveallunboundsamplematerialhorserADIshperoxidase(HRP)labelledanti-humanIgGconjugateisadded.ThisconjugatebindstothecapturedMeasles-specificantibodies.TheimmunecomplexformedbytheboundconjugateisvisualizedbyaddingTetramethylbenzidine(TMB)substratewhichgivesabluereactionproduct.TheintensityofthisproductisproportionaltotheamountofMeaslesspecificIgGantibodiesinthespecimen.Sulphuricacidisaddedtostopthereaction.Thisproducesayellowendpointcolour.Absorbanceat450nmisreadusinganELISAmicrowellplatereader. |
StorageandStABIlity | Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2-8°C. |
LimitationsoftheTest | Bacterialcontaminationorrepeatedfreeze-thawcyclesofthespecimenmayaffecttheabsorbancevalues.Diagnosisofaninfectiousdiseaseshouldnotbeestablishedonthebasisofasingletestresult.Aprecisediagnosisshouldtakeintoconsiderationclinicalhistory,symptomatologyaswellasSEROlogicaldata. Inimmunocompromisedpatientsandnewbornsserologicaldataonlyhaverestrictedvalue. |
References | Bellini.W.J.,J.S.Rota,P.A.Rota:VirologyofMeaslesVirus.J.Inf.Dis.1701(1994)5-23Condorelli,F.,T.Ziegler:DotimmunobindingassayforsimultaneousdetectionofspecificimmunoglobinGantibodiestomeaslesvirus,mumpsvirusandrubellavrius.J.Clin.Microbiol.(1993)717-719Doerr,H.W.,St.Geiger:OtimierungderquantitativenAntikörpermessungmitdemELISAunterBerücksichtigungderklinischenPlausibilität.Lab.Med.12(1988)142-146Dopatka,H.D.,B.Giesendorf:singlepointquantificationofantibodybyELISAwithoutneedofareferncecurve.J.ofClin.Lab.Analysis6(1992)417-422Gerike,E.A.Tischer:erfahrungenmitSchutzimpfunggegenMasern,MumpsundRötelnindenneuenBundesländern.Gesundh.-Wes.(1993)38-39. |
AdditionalInformation:
Name | MeaslesVirusIgG |
---|---|
RelatedProductNames | MeaslesVirusIgG-ELISA |
MolecularWeight | 0.5 |
Storage | Thereagentsarestableuptotheexpirydatestatedonthelabelwhenstoredat2...8°C. |
IntendedUse | ResearchUseOnly |