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太陽電池IV測試儀
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2012-12-10 00:00 569閱讀次數(shù)
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大鼠(Rat)IV型膠原(Co IV)ELISA試劑盒英文說明書
- 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領(lǐng).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領(lǐng)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[詳細]
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