- Porcine IL-2
-
本文由 上海恒远ELISA试剂盒供应商 整理汇编
2024-09-29 07:02 1139阅读次数
-
立即下载
Normal07.8磅02falsefalsefalseMicrosoftInternetExplorer4RDPorcineIL-2FORRESEARCHUSEONLYAssayrange:20pg/ml-480pg/ml96determinationsPurposeThiskitallowsforthedeterminationofIL-2concentrationsinPorcineserum,cellculturesupernatesandotherbiologicalfluidsPrincipleoftheassayThekitassayPorcineIL-2levelinthesample,usePurifiedPorcineIL-2antibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddPorcineIL-2towells,CombinedantibodywhichWithHRPlabeledgoatanti-Porcinebecomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofPorcineIL-2inthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StoppSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(960pg/ml)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplatemembrane26ChromogenSolutionB6ml×1bottle12Sealedbags1Specimenrequirements1.extractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.2.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:480pg/ml5Standard150μlOriginaldensityStandard+150μlStandarddiluent240pg/ml4Standard150μl5Standard+150μlStandarddiluent120pg/ml3Standard150μl4Standard+150μlStandarddiluent60pg/ml2Standard150μl3Standard+150μlStandarddiluent30pg/ml1Standard150μl2Standard+150μlStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40μltotestingsamplewell,thenaddtestingsample10μl(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-foldwashsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.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.StepsdescriptionStandard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor30minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,theresultisthesampleactualdensity.Importantnotes1.Thekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.2.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.3.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.4.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).5.Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.6.Thesubstrateevadethelightpreservation.7.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.8.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.9.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonths.
更多资料
参与评论
登录后参与评论