Rat Aβ1-42 ELISA kit

文档简介www.biokanu.comRatamyloidbetapeptide1-42（Aβ1-42）ELISAKitProd.No.3R285FROM:RBForthequantitativeinvitrodeterminationofAβ1-42concentrationsinRatsupernates,serum,plasmaandtissue.FORRESEARCHUSEONLY.NOTFORUSEINDIAGNOSTICPROCEDURES.TABLEOFCONTENTSContentsPageTABLEOFCONTENTS..2INTENDEDUSE..3PRINCIPLE..3WARNINGSANDPRECAUTIONS..4MATERIALSPROVIDEDWITHTHEKIT.7MATERIALSREQUIREDBUTNOTPROVIDED..7STORAGECONDITIONS..8REAGENTPREPARATION..9SPECIMENCOLLECTIONANDPREPARATION..9ASSAYPROCEDURE..10CALCULATIONOFRESULTS..13REFERENCES..14INTENDEDUSEAnenzymeimmunoassayforthequantitativeinvitrodiagnosticmeasurementofRatAβ1-42incellculturesupernates,serum,plasmaandtissue.PRINCIPLEThekitassayRatAβ1-42levelinthesample，usePurifiedRatAβ1-42antibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddAβ1-42towells,CombinedAβ1-42antibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofAβ1-42inthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.WARNINGSANDPRECAUTIONSlThiskitisforinvitrodiagnosticuseonly.Forprofessionaluseonly.lAllreagentsofthistestkitwhichcontainhumanserumorplasmahavebeentestedandconfirmednegativeforHIVI/II,HBsAgandHCVbyFDAapprovedprocedures.Allreagents,however,首ldbetreatedaspotentialbiohazardsinuseandfordisposal.lBeforestartingtheassay,readtheinstructionscompletelyandcarefully.Usethevalidversionofthepackageinsertprovidedwiththekit.Besurethateverythingisunderstood.lThemicroplatecontainssnap-offstrips.Unusedwellsmustbestoredat2°Cto8°Cinthesealedfoilpouchandusedintheframeprovided.lPipettingofsamplesandreagentsmustbedoneasquicklyaspossibleandinthesamesequenceforeachstep.lUsereservoirsonlyforsinglereagents.Thisespeciallyappliestothesubstratereservoirs.Usingareservoirfordispensingasubstratesolutionthathadpreviouslybeenusedfortheconjugatesolutionmayturnsolutioncolored.Donotpourreagentsbackintovialsasreagentcontaminationmayoccur.lMixthecontentsofthemicroplatewellsthoroughlytoensuregoodtestresults.Donotreusemicrowells.lDonotletwellsdryduringassay;addreagentsimmediatelyaftercompletingtherinsingsteps.lAllowthereagentstoreachroomtemperature（21-26°C）beforestartingthetest.Temperaturewillaffecttheabsorbancereadingsoftheassay.However,valuesforthepatientsampleswillnotbeaffected.lNeverpipetbymouthandavoidcontactofreagentsandspecimenswithskinandmucousmembranes.lDonotsmoke,eat,drinkorapplycosmeticsinareaswherespecimensorkitreagentsarehandled.lWeardisposablelatexgloveswhenhand领specimensandreagents.Microbialcontaminationofreagentsorspecimensmaygivefalseresults.lHand领首ldbedoneinaccordancewiththeproceduresdefinedbyanappropriatenationalbiohazardsafetyguidelineorregulation.lDonotusereagentsbeyondexpirydateasshownonthekitlabels.lAllindicatedvolumeshavetobeperformedaccordingtotheprotocol.Optimaltestresultsareonlyobtainedwhenusingcalibratedpipettesandmicrotiterplatereaders.lDonotmixorusecomponentsfromkitswithdifferentlotnumbers.Itisadvisednottoexchangewellsofdifferentplatesevenofthesamelot.Thekitsmayhavebeenshippedorstoredunderdifferentconditionsandthebindingcharacteristicsoftheplatesmayresultslightlydifferent.lAvoidcontactwithStopSolutioncontaining0.5MH2SO4.Itmaycauseskinirritationandburns.lSomereagentscontainProclin,BNDand/orMITaspreservatives.Incaseofcontactwitheyesorskin,flushimmediatelywithwater.lTMBsubstratehasanirritanteffectonskinandmucosa.Incaseofpossiblecontact,washeyeswithanabundantvolumeofwaterandskinwithsoapandabundantwater.Washcontaminatedobjectsbeforereusingthem.Ifinhaled,takethepersontoopenair.lChemicalsandpreparedorusedreagentshavetobetreatedashazardouswasteaccordingtothenationalbiohazardsafetyguidelineorregulation.lForinformationonhazardoussubstancesincludedinthekitpleaserefertoMaterialSafetyDataSheetsMATERIALSPROVIDEDWITHTHEKITMaterialsprovidedwiththekit96determinationsStorageUsermanual1Closureplatemembrane2Sealedbags1Microelisastripplate12-8℃Standard：900pg/ml0.5ml×1bottle2-8℃Standarddiluent1.5ml×1bottle2-8℃HRP-Conjugatereagent6ml×1bottle2-8℃Samplediluent6ml×1bottle2-8℃ChromogenSolutionA6ml×1bottle2-8℃ChromogenSolutionB6ml×1bottle2-8℃StopSolution6ml×1bottle2-8℃washsolution30×20ml×1bottle2-8℃MATERIALSREQUIREDBUTNOTPROVIDEDlMicroplatereadercapableofmeasuringabsorbanceat450nm.lPrecisionpipettestodeliver2mlto1mlvolumes.l100mland1litergraduatedcylinders.lCalibratedadjustableprecisionpipettes,preferablywithdisposableplastictips.（Amanifoldmulti-channelpipetteisdesirableforlargeassays.）lAbsorbentpaper.l37°Cincubator.lDistilledordeionizedwater.lDataanalysisandgraphingsoftware.Graphpaper:linear（Cartesian）,log-logorsemi-log,orlog-logitasdesired.lTubestopreparestandardorsampledilutions.STORAGECONDITIONSuWhenstoredat2°Cto8°Cunopenedreagentswillretainreactivityuntilexpirationdate.uDonotusereagentsbeyondthisdate.Openedreagentsmustbestoredat2°Cto8°C.uMicrotiterwellsmustbestoredat2°Cto8°C.Oncethefoilbaghasbeenopened,care首ldbetakentocloseittightlyagain.uOpenedkitsretainactivityfor8weeksifstoredasdescribedabove.REAGENTPREPARATIONBringallreagentstoroomtemperaturebeforeuseSPECIMENCOLLECTIONANDPREPARATIONSerum-Useaserumseparatortube（SST）andallowsamplestoclotfor30minutesbeforecentrifugationfor15minutesatapproximately1000xg.Removeserumandassayimmediatelyoraliquotandstoresamplesat-20°Cor-80°C.Plasma-CollectplasmausingEDTAorheparinasananticoagulant.Centrifugesamplesfor15minutesat1000xgat2-8°Cwithin30minutesofcollection.Storesamplesat-20°Cor-80°C.Avoidrepeatedfreeze-thawcycles.Cellculturefluidandotherbiologicalfluids-Removeparticulatesbycentrifugationandassayimmediatelyoraliquotandstoresamplesat-20°Cor-80°C.Avoidrepeatedfreeze-thawcyclesASSAYPROCEDUREuGeneralRemarkslAllreagentsandspecimensmustbeallowedtocometoroomtemperaturebeforeuse.Allreagentsmustbemixedwithoutfoaming.lOncethetesthasbeenstarted,allsteps首ldbecompletedwithoutinterruption.lUsenewdisposalplasticpipettetipsforeachstandard,controlorsampleinordertoavoidcrosscontamination.lAbsorbanceisafunctionoftheincubationtimeandtemperature.Beforestartingtheassay,itisrecommendedthatallreagentsareready,capsremoved,allneededwellssecuredinholder,etc.Thiswillensureequalelapsedtimeforeachpipettingstepwithoutinterruption.lAsageneralruletheenzymaticreactionislinearlyproportionaltotimeandtemperature.lDetermineabsorptionwithanELISAreaderat450nmagainst620nmasreference.Ifnoreferencewavelengthisavailable,readonlyat450nm.Iftheextinctionofthehigheststandardexceedsthemeasurementrangeofthephotometer,absorptionmustbemeasuredimmediatelyat405nmagainst620nmasreference.uAssayProcedure1.DiluteandaddsampletoStandard:set10StandardwellsontheELISAplatescoated,addStandard100μltothefirstandthesecondwell,thenaddStandarddilution50μltothefirstandthesecondwell,mix;takeout100μlformthefirstandthesecondwellthenaddittothethirdandtheforthwellseparately.thenaddStandarddilution50μltothethirdandtheforthwell,mix;thentakeout50μlfromthethirdandtheforthwelldiscard,add50μltothefifthandthesixthwell,thenaddStandarddilution50μltothefifthandthesixthwell,mix;takeout50μlfromthefifthandthesixthwellandaddtotheseventhandtheeighthwell,thenaddStandarddilution50μltotheseventhandtheeighthwell,mix;takeout50μlfromtheseventhandtheeighthwellandaddtotheninthandthetenthwell,addStandarddilution50μltotheninthandthetenthwell,mix,takeout50μlfromtheninthandthetenthwelldiscard（addSample50μltoeachwellafterDiluting,（density:600pg/ml，400pg/ml，200pg/ml,100pg/ml，50pg/ml）.50pg/ml100pg/ml600pg/ml200pg/ml900pg/ml400pg/ml2.addsample：Setblankwellsseparately（blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame）.testingsamplewell.addSampledilution40μltotestingsamplewell,thenaddtestingsample10μl（samplefinaldilutionis5-fold）,addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-foldwashsolutiondiluted30-foldwithdistilledwaterandreserve.5.washing：UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme：AddHRP-Conjugatereagent50μltoeachwell,exceptblankwell.7.incubate：Operationwith3.8.washing：Operationwith5.9.color：AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor15minat37℃10.Stopthereaction：AddStopSolution50μltoeachwell,Stopthereaction（thebluecolorchangetoyellowcolor）.11.assay：takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.CALCULATIONOFRESULTSlCalculatetheaverageabsorbancevaluesforeachsetofstandards,controlsandpatientsamples.lConstructastandardcurvebyplottingthemeanabsorbanceobtainedfromeachstandardagainstits.lconcentrationwithabsorbancevalueonthevertical（Y）axisandconcentrationonthehorizontal（X）axis.lUsingthemeanabsorbancevalueforeachsampledeterminethecorrespondingconcentrationfromthestandardcurve.lAutomatedmethod:TheresultsintheIFUhavebeencalculatedautomaticallyusinga4PL.l（4ParameterLogistics）curvefit.4ParameterLogisticsisthepreferredcalculationmethod.Otherdata.lreductionfunctionsmaygiveslightlydifferentresults.lTheconcentrationofthesamplescanbereaddirectlyfromthisstandardcurve.Sampleswith.lconcentrationshigherthanthatofthehigheststandardhavetobefurtherdiluted.Forthecalculationof.ltheconcentrationsthisdilutionfactorhastobetakenintoaccount.REFERENCESREF:Cat.-No.:/Kat.-Nr.:/No.-Cat.:/Cat.-No.:/N.Cat.:/N.CatLOT:Lot-No.:/Chargen-Bez.:/No.Lot:/Lot-No.:/LoteN.:/Lotton.::No.ofTests:/Kitgre:/Nb.deTests:/No.deDeterm.:/N.deTestes:/Quantitàdeitests::Keepawayfromheatordirectsunlight./VorHitzeunddirekterSonneneinstrahlungschützen./Garderàl’abridelachaleuretdetouteexpositionlumineuse./Manténgasealejadodelcalorolaluzsolardirecta./Manterlongedocalorouluzsolardirecta./Nonesporreairaggisolari.:Readinstructionsbeforeuse./Arbeitsanleitunglesen./Lirelafichetechniqueavantemploi./Lealasinstruccionesantesdeusar./Lerasinstruesantesdeusar./Leggereleistruzioniprimadell’uso.:Storeat:/Lagernbei:/Stockerà:/Almacenea:/Armazenara:/Conservarea: