大鼠（Rat）IV型胶原（Co IV）ELISA试剂盒英文说明书

文档简介Normal07.8磅02falsefalsefalseMicrosoftInternetExplorer4Goatanti-RatCollagenTypeIVCollectSampleserumorbloodplasmaStorage:2-8°CPackagesize:96determinationsPRINCIPLEOFTHEMETHODTheCoIVkitisasolidphasephasesandwichenzymelinkedimmunosorbentassay（ELISA）.Samples,includingstandardsofknownCoIVconcentrationsandunknownsarepipettedintothesewells.Duringthefirstincubation,theCoIVantigenandabiotinylatedmonoclonalantibodyspecificforCoIVaresimultaneouslyincubated.Afterwashing,theenzyme（streptavidin-peroxydase）isadded.Afterincubationandwashingtoremovealltheunboundenzyme,asubstratesolutionwhichisactingontheboundenzymeisaddedtoinduceacolouredreactionproduct.TheintensityofthiscolouredproductisdirectlyproportionaltotheconcentrationofCoIVpresentinthesamples.REAGENTSPROVIDEDANDRECONSTTTUTIONREAGENTS（Storeat2-8℃）1×96WELLS0.5×96WELLSRECONSTTTUTION96/48-wellsmicrotiterplates10.5Ready-to-usePlastivcover21Ready-to-useStandard:800ng/ml1Vials（0.6ml）0.5Vials（0.3ml）Seereagentspreparationonpage3Blankcontrol1Vials（1.0ml）1Vials（0.5ml）Ready-to-useStandardDiluent1Vials（5ml）1Vials（2.5ml）Ready-to-useBiotinylatedanti-CoIV1Vials（6ml）1Vials（3.0ml）Ready-to-useStreptavidin-HRP1Vials（10ml）1Vials（5.0ml）Ready-to-useWashingBuffer1Vials（20ml）1Vials（10ml）50×concentrateSubstrateA1Vials（6.0ml）1Vials（3.0ml）Ready-to-useSubstrateB1Vials（6.0ml）1Vials（3.0ml）Ready-to-useStoppingSolution1Vials（6.0ml）1Vials（3.0ml）Ready-to-useSampleDiluent1Vials（12ml）1Vials（6.0ml）Ready-to-useMATERIALREQUIREDBUTNOTPROVIDEDlDistilledwaterlPipettes:10ul、50ul、100ul、200ul、1000ul。lVortexmixerandmagneticstirrer.SAFETYlForresearchuseonlylAvoidanyskincontactwithH2SO4andTMB.Incaseofcontact,washthoroughlywater.lDonoteat,drink,smokeorapplycosmeticswherekitreagentsareused.lDonotpipettebymouth.PROCEDURALNOTES/LAB.QUALITYCONTROLlWhennotinuse,kitcomponents首ldbestoredrefrigeratedorfrozenasindicatedonvialsorbottles.Allreagents首ldbewarmedtoroomtemperaturebeforeuse.Lyophilizedstandards首ldbediscardedafteruse.lOncethedesirednumberofstripshasbeenremoved,immediatelyresealthebagtoprotecttheremainingstripsfromedterioration.lCoverorcapallreagentswhennotinuse.lDonotmisorinterchangereagentsbetweendifferentlots.lDonotusereagentsbeyondtheexpirationdateofthekit.lUseacleandisposableplasticpipettetipforeachreagent,standard,orspecimenadditioninordertoavoidcross-contamination,forthedispensingofH2SO4andsubstratesolution,avoidpipetteswithmetalparts.lUseacleanplasticcontainertopreparethewashingsolution.lThoroughlymixthereagentsandsamplesbeforeusebyagitationorswir领.lAllresidualwashingliquidmustbedrainedfromthewellsbyefficientaspirationorbydecantationfollowedbytappingtheplateforcefullyonabsorbentpaper.Neverinsertabsorbentpaperdirectlyintothewells.lTheTMBsolutionislightsensitive.Avoidprolongedexposuretolight,also,avoidcontactoftheTMBsolutionwithmetaltopreventcolourdevelopment.WarningTMBistoxicavoiddirectcontactwithhands.Disposeoffproperly.Ifadarkbluecolourdevelopswithinafewminutesafterpreparation,thisindicatesthattheTMBsolutionhasbeencontaminatedandmustbediscarede.Readabsorbanceswithin1houraftercompletionoftheassay.lWhenpipettingreagents,maintainaconsistentorderofadditionfromwell-to-well.Thiswillensureequalincubationtimesforallwells.lRespectincubationtimesdescribedintheassayprocedure.SPECIMENCOLLECTION\PROCESSINGANDSTORAGElSerum---Avoidanyinintentionalstimulationofthecellsbytheprocedure.Usepyrogen\endotoxinfreecollectingtubes.Serum首ldberemovedrapidlyandcarefullyfromtheredcellsafterclothing.Forthat,afterclothing,centrifugeatapproximately1000×gfor10minandremoveserum.lPlasma---EDTA\citrateandheparinplasmacanbeassayed.Spinsamplesat1000×gfor30minremoveparticulates.Harvestplasma.lCellculturesupernatants---Removeparticulatesandaggregatesbyspinningatapproximately1000×gfor10min.lStorage---Ifnotanalyzedshortlyaftercollection,samples首ldbealiquoted（250-500ul）toavoidfreeze-thawcyclesandstoredfrozenat-70℃.Avoidmultiplefreeze-thawcyclesoffrozenspecimens.Whenpossible,avoiduseofbadlyhemolyzedorlipemicsera.Iflargeamountsofparticlesarepresent,this首ldberemovedpriortoassaybycentrifugationorfiltration.lRecommendation---Donotthawbyheatingat37℃or56℃.Thawatroomtemperatureandmakesurethatsampleiscompletelythawedandhomogenousbeforeassaying.PREPARATIONOFREAGENTSlStandards:Standardhavetobereconstituledwiththevolumeofstandardbufferdiluentindicatedonthevial.Thisreconstitutionproducesastocksolutionof800ng/mlCoIV.Allowstandardtostandfor5lminuteswithgentleswir领priortomakingdilutions.Serialdilutionsofstandardmustbemadebeforeeachassysandcannotbestored.800ng/ml（6Standard）Originaldensity50ul。400ng/ml（5Standard）100ul6Standard+100uldiludent200ng/ml（4Standard）100ul5Standard+100uldiludent100ng/ml（3Standard）100ul4Standard+100uldiludent50ng/ml（2Standard）100ul3Standard+100uldiludent25ng/ml（1Standard）100ul2Standard+100uldiludent0ng/mlBlankControl50ul。lWashingbuffer50×concentrate:Dilute50timesindistilledwater.ASSAYMETHODlBeforeuse,mixallreagentsthoroughlywithoutmakingfoam.lDeterminethenumberofmicrowellstripsrequiredtotestthedesirednumberofsamples,plusappropriatenumberofwellsneededforrunningblanksstandards.Eachsample,standardandblank首ldbeassayedinduplicate.Removesufficientmicrowellstripsfromthepouch.lAdd50ulofstandarddiluenttostandardwellsB1,B2,C1,C2,D1,D2,E1,E2,F1,F2.Reconstitutestandardvialwiththeappropriatevolumeasdescribedinthechapterreagentspreparation.Preparation.Pipet100ulofstandardintowellsA1andA2（seeplateschemebelow）.Transfer50ulfromA1andA2toB1andB2wells.Mixthecontentsbyrepeatedaspirationsandejections.Takecarenottoscratchtheinnersurfaceofmicrowells.RepatthisprocedurefromthewellsB1,B2towellsC1,C2andfromwellsC1,C2toD1,D2andsooncreatingtwoparallelrowsofCoIVstandarddilutionsranging，Add50ulofstandarddiluenttotheblandwells.lDilutesamples1:1distribing50ulofsampleinto50ulofdilluent,Add50ulofdilutedsampletowells..lAdd50ulofdilutedbiotinylatedanti-CoIVtoallwells.lCoverwithaplatevoverandincubatefor1hourat37℃.lRemovethecoverandwashtheplateasfollows:⑴　aspiratetheliquidfromeachwell,⑵　dispensse0.3mlofwashingsolutionintoeachwell.⑶　Aspirateagainthecontetofeachwellafter0.5minute.⑷　Repeatsteps⑵and⑶threetimes.lDistribute80ulofstreptavidin-HRPsolutiontoallwells,includingblankwells.lCoverandincubate30minat37℃.lRemovethecoverandemptywells,Washmicrowellstripsaccordingtostep,Proceedimmediatelytothenextstep.lAdd50ulSubstrateAandSubstrateBtoeachwell。Incubatefor10minat37℃。lTheenzyme-substratereactionisstoppedbyquicklypipetting50ulofH2SO4.stopreagentintoeachwell,includingtheblankwells,tocompletelyanduniformlyinactivatetheenzyme.ResultsmustberedimmediatelyaftertheadditionofH2SO4.lReadabsorbanceofeachwellonaspectrophotometerusing450nmastheprimarywavelengthandoptionally620nm（610nmto650nmisacceptable）asthereferencewavelength.SUGGESTEDPLATESCHEMEStandardconcentrations（ng/ml）A800800samplesamplesamplesamplesamplesamplesamplesamplesamplesampleB400400samplesamplesamplesamplesamplesamplesamplesamplesamplesampleC200200samplesamplesamplesamplesamplesamplesamplesamplesamplesampleD100100samplesamplesamplesamplesamplesamplesamplesamplesamplesampleE5050samplesamplesamplesamplesamplesamplesamplesamplesamplesampleF2525samplesamplesamplesamplesamplesamplesamplesamplesamplesampleG00samplesamplesamplesamplesamplesamplesamplesamplesamplesampleHsamplesamplesamplesamplesamplesamplesamplesamplesamplesamplesamplesampleLIMITATIONSOFTHEPROCEDUREDonotextrapolatethestandardcurvebeyondthemaxstandardcurvepoint.Thedose-responseisnon-linearinthisregionandgoodaccruacyisdifficulttoobtain.CALCULATIONOFRESULTSTheminimumdetectableconcentrationinthisassayisestimatedtobe1.0ng/ml