人腫瘤壞死因子α(TNF-α)說明書
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2018-10-17 10:00 2131閱讀次數(shù)
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HumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonths4HumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonthsHumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonthsHumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:six
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人腫瘤壞死因子α(TNF-α)說明書
- HumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonths4HumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonthsHumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:sixmonthsHumanTNF-αFORRESEARCHUSEONLYAssayrange:20ng/L-400ng/L96DETERMINATIONSPurposeThiskitallowsforthedeterminationofTNF-αconcentrationsinHumanserum.PrincipleoftheassayThekitassayHumanTNF-αlevelinthesample,usePurifiedHumanTNF-αantibodytocoatmicrotiterplatewells,makesolid-phaseantibody,thenaddTNF-αtowells,CombinedTNF-αantibodywhichWithHRPlabeled,becomeantibody-antigen-enzyme-antibodycomplex,afterwashingCompletely,AddTMBsubstratesolution,TMBsubstratebecomesbluecolorAtHRPenzyme-catalyzed,reactionisterminatedbytheadditionofasulphuricacidsolutionandthecolorchangeismeasuredspectrophotometricallyatawavelengthof450nm.TheconcentrationofHumanTNF-αinthesamplesisthendeterminedbycomparingtheO.D.ofthesamplestothestandardcurve.Materialsprovidedwiththekit1washsolution20ml×1bottle7StopSolution6ml×1bottle2HRP-Conjugatereagent6ml×1bottle8Standard(800ng/L)0.5ml×1bottle3Microelisastripplate12well×8strips9Standarddiluent1.5ml×1bottle4Samplediluent6ml×1bottle10Instruction15ChromogenSolutionA6ml×1bottle11Closureplate2membrane6ChromogenSolutionB6ml×1bottle12Sealedbags1SpecimenrequirementsextractassoonaspossibleafterSpecimencollection,andaccordingtotherelevantliterature,and首ldbeexperimentassoonaspossibleaftertheextraction.Ifitcan’t,specimencanbekeptin-20℃topreserve,Avoidrepeatedfreeze-thawcycles.12.Can’tdetectthesamplewhichcontainNaN3,becauseNaN3inhibitsHRPactive.Assayprocedure1.Diluteandaddsample:DiluteOriginaldensityStandardasfollowtable:400ng/L5Standard150lOriginaldensityStandard+150lStandarddiluent200ng/L4Standard150l5Standard+150lStandarddiluent100ng/L3Standard150l4Standard+150lStandarddiluent50ng/L2Standard150l3Standard+150lStandarddiluent25ng/L1Standard150l2Standard+150lStandarddiluent2.addsample:Setblankwellsseparately(blankcomparisonwellsdon’taddsampleandHRP-Conjugatereagent,othereachstepoperationissame).testingsamplewell.addSampledilution40ltotestingsamplewell,thenaddtestingsample10l(samplefinaldilutionis5-fold),addsampletowells,don’ttouchthewellwallasfaraspossible,andGentlymix.3.Incubate:AfterclosingplatewithClosureplatemembrane,incubatefor30minat37℃.4.Configurateliquid:30-fold(or20-fold)washsolutiondiluted30-fold(or20-fold)withdistilledwaterandreserve.5.washing:UncoverClosureplatemembrane,discardLiquid,drybyswing,addwashingbuffertoeverywell,stillfor30sthendrain,repeat5times,drybypat.6.addenzyme:AddHRP-Conjugatereagent50ltoeachwell,exceptblankwell.7.incubate:Operationwith3.8.washing:Operationwith5.9.color:AddChromogenSolutionA50ulandChromogenSolutionBtoeachwell,evadethelightpreservationfor10minat37℃10.Stopthereaction:AddStopSolution50ltoeachwell,Stopthereaction(thebluecolorchangetoyellowcolor).11.assay:takeblankwellaszero,Readabsorbanceat450nmafterAddingStopSolutionandwithin15min.Stepsdescription2Standard,SamplediluentAddStandard,Samplediluent,incubatefor30minat37℃.Wash5time,AddHRP-Conjugatereagent,incubatefor30minat37℃.Wash5times,AddChromogenSolutionAandB,incubatefor10minat37℃.AddStoppSolutionReadabsorbanceat450nmwithin15mincalculateCalculateTakethestandarddensityasthehorizontal,theODvalueforthevertical,drawthestandardcurveongraphpaper,FindoutthecorrespondingdensityaccordingtothesampleODvaluebytheSamplecurve,multipliedbythedilutionmultiple,orcalculatethestraightlineregressionequationofthestandardcurvewiththestandarddensityandtheODvalue,withthesampleODvalueintheequation,calculatethesampledensity,multipliedbythedilutionfactor,3theresultisthesampleactualdensity.ImportantnotesThekittakesoutfromtherefrigerationenvironment首ldbebalanced15-30minutesintheroomtemperature,ELISAplatescoatedifhasnotuseupafteropened,theplate首ldbestoredinSealedbag.washingbufferwillCrystallizationseparation,itcanbeheatedthewaterhelpsdissolvewhendilute.Washingdoesnotaffecttheresult.addSamplewithsamplerEachstep,Andproofreaditsaccuracyfrequently,avoidstheexperimentalerror.addsamplewithin5min,ifthenumberofsampleismuch,recommendtouseVolley.ifthetestingmaterialcontentisexcessivelyhigher(ThesampleODisbiggerthanthefirststandardwell),pleasediluteSample(n-fold),Pleasediluenteandmultipliedbythedilutionfactor.(×n×5).Closureplatemembraneonlylimitsthedisposableuse,toavoidcross-contamination.Thesubstrateevadethelightpreservation.Pleaseaccordingtouseinstructionstrictly,Thetestresultdeterminationmusttakethemicrotiterplatereaderasastandard.Allsamples,washingbufferandeachkindofreject首ldaccordingtoinfectivematerialprocess.Donotmixreagentswiththosefromotherlots.Storageandvalidity1.Storage:2-8℃.2.validity:six[詳細]
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2018-10-17 10:00
產品樣冊
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人腫瘤壞死因子α(TNF-α)酶聯(lián)免疫試劑盒說明書
- 人腫瘤壞死因子α(TNF-α)酶聯(lián)免疫試劑盒說明書[詳細]
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2015-04-01 00:00
報價單
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人腫瘤壞死因子-(TNF-)ELISA試劑盒說明書
- 電話:021-6533363955229872網址:http://www.westang.com人腫瘤壞死因子-a(TNF-a)ELISA試劑盒(用于血清、血漿、細胞培養(yǎng)上清液和其它生物體液內)原理本實驗采用雙抗體夾心ABC-ELISA法。用抗人TNF-a單抗包被于酶標板上,標準品和樣品中的TNF-a與單抗結合,加入生物素化的抗人TNF-a,形成免疫復合物連接在板上,辣根過氧化物酶標記的Streptavidin與生物素結合,加入底物工作液顯藍色,Z后加終止液硫酸,在450nm處測OD值,TNF-a濃度與OD值成正比,可通過繪制標準曲線求出標本中TNF-a濃度。試劑盒組成(2-8℃保存)酶標板(CoatedWells)96孔酶標抗體工作液(EnzymeConjugate)12ml10×標本稀釋液(SampleBuffer)12ml20×濃縮洗滌液(WashBuffer)50ml標準品(Standards):20ng/瓶2瓶底物工作液(TMBSolution)12ml**抗體工作液(BiotinylatedAntibody)12ml終止液(StopSolution)12ml準備試劑與收集血樣1.收集標本:血清、血漿(EDTA、檸檬酸鹽、肝素抗凝)、細胞培養(yǎng)上清液、組織勻漿等盡早檢測,2-8℃保存48小時;更長時間須冷凍(-20℃或-70℃)保存,避免反復凍融。2.標準品液配制:使用前加入1ml蒸餾水混勻,配成20ng/ml的溶液。設標準管8管,**管加標本稀釋液900ul,第二至第八管加入標本稀釋液500ul。在**管中加入20ng/ml的標準品溶液100ul混勻后用加樣器吸出500ul,移至第二管。如此反復作對倍稀釋,從第七管中吸出500ul棄去。第八管為空白對照。3.10×標本稀釋液用蒸餾水作1:10倍稀釋(示例:1ml濃稀釋液+9ml蒸餾水)。4.洗滌液:用重蒸水1:20稀釋(示例:1ml濃縮洗滌液加入19ml的重蒸水)檢測程序1.加樣:每孔各加入標準品或待測樣品100ul,將反應板充分混勻后置37℃120分鐘。2.洗板:用洗滌液將反應板充分洗滌4-6次,向濾紙上印干。3.每孔中加入**抗體工作液100ul。將反應板充分混勻后置37℃60分鐘。4.洗板:同前。5.每孔加酶標抗體工作液100ul。將反應板置37℃30分鐘。6.洗板:同前。7.每孔加入底物工作液100ul,置37℃暗處反應15分鐘。8.每孔加入100ul終止液混勻。9.30分鐘內用酶標儀在450nm處測吸光值。結果計算與判斷1.所有OD值都應減除空白值后再行計算。2.以標準品2000、1000、500、250、125、62.5、31.2、0PG/ml為橫坐標,OD值為縱坐標,在坐標紙上作圖,畫出標準曲線。3.根據(jù)樣品OD值在該曲線圖上查出相應TNF-a含量。試劑盒性能1.靈敏度:Z小的TNF-a檢測濃度小于15pg/ml。2.特異性:可同時檢測重組或天然的人TNF-a。不與人其它細胞因子有交叉反應。3.重復性:板內、板見變異系數(shù)均小于10.3%。注意事項1.以上標準孔及待測樣品均建議做復孔,每次測定應同時做標準曲線。2.洗滌過程很關鍵。洗滌不充分將導致極ng確度誤差及OD值錯誤地升高。3.板條開封后剩余板條要再封好,保持板條干燥。4.本試劑盒宜置4oC冰箱保存。5.本試劑盒僅用于科研,不能用于臨床診斷![詳細]
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2018-09-13 10:01
產品樣冊
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人腫瘤壞死因子-(TNF-)ELISA試劑盒說明書
- 電話:021-6533363955229872網址:http://www.westang.com人腫瘤壞死因子-b(TNF-b)ELISA試劑盒(用于血清、血漿、細胞培養(yǎng)上清液和其它生物體液內)原理本實驗采用雙抗體夾心ABC-ELISA法。用抗人TNF-b單抗包被于酶標板上,標準品和樣品中的TNF-b與單抗結合,加入生物素化的抗人TNF-b,形成免疫復合物連接在板上,辣根過氧化物酶標記的Streptavidin與生物素結合,加入底物工作液顯藍色,Z后加終止液硫酸,在450nm處測OD值,TNF-b濃度與OD值成正比,可通過繪制標準曲線求出標本中TNF-b濃度。試劑盒組成(2-8℃保存)酶標板(CoatedWells)96孔酶標抗體工作液(EnzymeConjugate)12ml10×標本稀釋液(SampleBuffer)12ml20×濃縮洗滌液(WashBuffer)50ml標準品(Standards):4ng/瓶2瓶底物工作液(TMBSolution)12ml**抗體工作液(BiotinylatedAntibody)12ml終止液(StopSolution)12ml準備試劑與收集血樣1.收集標本:血清、血漿(EDTA、檸檬酸鹽、肝素抗凝)、細胞培養(yǎng)上清液、組織勻漿等盡早檢測,2-8℃保存48小時;更長時間須冷凍(-20℃或-70℃)保存,避免反復凍融。2.標準品液配制:使用前加入1ml蒸餾水混勻,配成4000pg/ml的溶液。設標準管8管,每管加入標本稀釋液200ul。在**管中加入4000pg/ml的標準品溶液200ul混勻后用加樣器吸出200ul,移至第二管。如此反復作對倍稀釋,從第七管中吸出200ul棄去。第八管為空白對照。3.10×標本稀釋液用蒸餾水作1:10倍稀釋(示例:1ml濃稀釋液+9ml蒸餾水)。4.洗滌液:用重蒸水1:20稀釋(示例:1ml濃縮洗滌液加入19ml的重蒸水)檢測程序1.加樣:每孔各加入標準品或待測樣品100ul,將反應板充分混勻后置37℃120分鐘。2.洗板:用洗滌液將反應板充分洗滌4-6次,向濾紙上印干。3.每孔中加入**抗體工作液100ul。將反應板充分混勻后置37℃60分鐘。4.洗板:同前。5.每孔加酶標抗體工作液100ul。將反應板置37℃30分鐘。6.洗板:同前。7.每孔加入底物工作液100ul,置37℃暗處反應15分鐘。8.每孔加入100ul終止液混勻。9.30分鐘內用酶標儀在450nm處測吸光值。結果計算與判斷1.所有OD值都應減除空白值后再行計算。2.以標準品2000、1000、500、250、125、62.5、31.2、0pg/ml為橫坐標,OD值為縱坐標,在坐標紙上作圖,畫出標準曲線。3.根據(jù)樣品OD值在該曲線圖上查出相應TNF-b含量。試劑盒性能1.靈敏度:Z小的TNF-b檢測濃度小于15pg/ml。2.特異性:可同時檢測重組或天然的人TNF-b。不與人其它細胞因子有交叉反應。3.重復性:板內、板見變異系數(shù)均小于11%。注意事項1.以上標準孔及待測樣品均建議做復孔,每次測定應同時做標準曲線。2.洗滌過程很關鍵。洗滌不充分將導致極ng確度誤差及OD值錯誤地升高。3.板條開封后剩余板條要再封好,保持板條干燥。4.本試劑盒宜置4oC冰箱保存。4.本試劑盒僅用于科研,不能用于臨床診斷![詳細]
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2018-09-13 10:01
產品樣冊
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人腫瘤壞死因子-(TNF-)ELISA試劑盒說明書
- 電話:021-6533363955229872網址:http://www.westang.com人腫瘤壞死因子-g(TNF-g)ELISA試劑盒(用于血清、血漿、細胞培養(yǎng)上清液和其它生物體液內)原理本實驗采用雙抗體夾心ABC-ELISA法。用抗人TNF-g單抗包被于酶標板上,標準品和樣品中的TNF-g與單抗結合,加入生物素化的抗人TNF-g,形成免疫復合物連接在板上,辣根過氧化物酶標記的Streptavidin與生物素結合,加入底物工作液顯藍色,Z后加終止液硫酸,在450nm處測OD值,TNF-g濃度與OD值成正比,可通過繪制標準曲線求出標本中TNF-g濃度。試劑盒組成(2-8℃保存)酶標板(CoatedWells)96孔酶標抗體工作液(EnzymeConjugate)12ml10×標本稀釋液(SampleBuffer)12ml20×濃縮洗滌液(WashBuffer)50ml標準品(Standards):4ng/瓶2瓶底物工作液(TMBSolution)12ml**抗體工作液(BiotinylatedAntibody)12ml終止液(StopSolution)12ml準備試劑與收集血樣1.收集標本:血清、血漿(EDTA、檸檬酸鹽、肝素抗凝)、細胞培養(yǎng)上清液、組織勻漿等盡早檢測,2-8℃保存48小時;更長時間須冷凍(-20℃或-70℃)保存,避免反復凍融。2.標準品液配制:使用前加入1ml蒸餾水混勻,配成4000pg/ml的溶液。設標準管8管,每管加入標本稀釋液300ul。在**管中加入4000pg/ml的標準品溶液300ul混勻后用加樣器吸出300ul,移至第二管。如此反復作對倍稀釋,從第七管中吸出300ul棄去。第八管為空白對照。3.10×標本稀釋液用蒸餾水作1:10倍稀釋(示例:1ml濃稀釋液+9ml蒸餾水)。4.洗滌液:用重蒸水1:20稀釋(示例:1ml濃縮洗滌液加入19ml的重蒸水)檢測程序1.加樣:每孔各加入標準品或待測樣品100ul,將反應板充分混勻后置37℃120分鐘。2.洗板:用洗滌液將反應板充分洗滌4-6次,向濾紙上印干。3.每孔中加入**抗體工作液100ul。將反應板充分混勻后置37℃60分鐘。4.洗板:同前。5.每孔加酶標抗體工作液100ul。將反應板置37℃30分鐘。6.洗板:同前。7.每孔加入底物工作液100ul,置37℃暗處反應15分鐘。8.每孔加入100ul終止液混勻。9.30分鐘內用酶標儀在450nm處測吸光值。結果計算與判斷1.所有OD值都應減除空白值后再行計算。2.以標準品2000、1000、500、250、125、62、31、0PG/ml為橫坐標,OD值為縱坐標,在坐標紙上作圖,畫出標準曲線。3.根據(jù)樣品OD值在該曲線圖上查出相應TNF-g含量。試劑盒性能1.靈敏度:Z小的TNF-g檢測濃度小于15pg/ml。2.特異性:可同時檢測重組或天然的人TNF-g。不與人其它細胞因子有交叉反應。3.重復性:板內、板見變異系數(shù)均小于11%。注意事項1.以上標準孔及待測樣品均建議做復孔,每次測定應同時做標準曲線。2.洗滌過程很關鍵。洗滌不充分將導致極ng確度誤差及OD值錯誤地升高。3.板條開封后剩余板條要再封好,保持板條干燥。4.本試劑盒宜置4oC冰箱保存。4.本試劑盒僅用于科研,不能用于臨床診斷![詳細]
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2018-09-13 10:01
產品樣冊
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人腫瘤壞死因子α(TNF-α)ELISA試劑盒說明書
- 人腫瘤壞死因子α(TNF-α)ELISA試劑盒使用說明書本試劑僅供研究使用目的:本試劑盒用于測定人血清,細胞上清液樣本中人腫瘤壞死因子α(TNF-α)的含量。實驗原理:本試劑盒應用雙抗體夾心法測定標本中人腫瘤壞死因子α(TNF-α)水平。用純化的人腫瘤壞死因子α(TNF-α)抗體包被微孔板,制成固相抗體,往包被單抗的微孔中依次加入腫瘤壞死因子α(TNF-α),再與HRP標記的腫瘤壞死因子α(TNF-α)抗體結合,形成抗體-抗原-酶標抗體復合物,經過徹底洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色,并在酸的作用下轉化成Z終的黃色。顏色的深淺和樣品中的腫瘤壞死因子α(TNF-α)呈正相關。用酶標儀在450nm波長下測定吸光度(OD值),通過標準曲線計算樣品中人腫瘤壞死因子α(TNF-α)濃度。試劑盒組成:試劑盒組成48孔配置96孔配置保存說明書1份1份封板膜2片(48)2片(96)密封袋1個1個酶標包被板1×481×962-8℃保存標準品:450ng/L0.5ml×1瓶0.5ml×1瓶2-8℃保存標準品稀釋液1.5ml×1瓶1.5ml×1瓶2-8℃保存酶標試劑3ml×1瓶6ml×1瓶2-8℃保存樣品稀釋液3ml×1瓶6ml×1瓶2-8℃保存顯色劑A液3ml×1瓶6ml×1瓶2-8℃保存顯色劑B液3ml×1瓶6ml×1瓶2-8℃保存終止液3ml×1瓶6ml×1瓶2-8℃保存濃縮洗滌液(20ml×20倍)×1瓶(20ml×30倍)×1瓶2-8℃保存樣本處理及要求:1.血清:室溫血液自然凝固10-20分鐘,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如出現(xiàn)沉淀,應再次離心。2.血漿:應根據(jù)標本的要求選擇EDTA或檸檬酸鈉作為抗凝劑,混合10-20分鐘后,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應該再次離心。3.尿液:用無菌管收集,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應再次離心。胸腹水、腦脊液參照實行。4.細胞培養(yǎng)上清:檢測分泌性的成份時,用無菌管收集。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。檢測細胞內的成份時,用PBS(PH7.2-7.4)稀釋細胞懸液,細胞濃度達到100萬/ml左右。通過反復凍融,以使細胞破壞并放出細胞內成份。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。保存過程中如有沉淀形成,應再次離心。5.組織標本:切割標本后,稱取重量。加入一定量的PBS,PH7.4。用液氮迅速冷凍保存?zhèn)溆谩吮救诨笕匀槐3?-8℃的溫度。加入一定量的PBS(PH7.4),用手工或勻漿器將標本勻漿充分。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。分裝后一份待檢測,其余冷凍備用。6.標本采集后盡早進行提取,提取按相關文獻進行,提取后應盡快進行實驗。若不能馬上進行試驗,可將標本放于-20℃保存,但應避免反復凍融.7.不能檢測含NaN3的樣品,因NaN3YZ辣根過氧化物酶的(HRP)活性。操作步驟標準品的稀釋與加樣:在酶標包被板上設標準品孔10孔,在**、第二孔中分別加標準品100μl,然后在**、第二孔中加標準品稀釋液50μl,混勻;然后從**孔、第二孔中各取100μl分別加到第三孔和第四孔,再在第三、第四孔分別加標準品稀釋液50μl,混勻;然后在第三孔和第四孔中先各取50μl棄掉,再各取50μl分別加到第五、第六孔中,再在第五、第六孔中分別加標準品稀釋液50ul,混勻;混勻后從第五、第六孔中各取50μl分別加到第七、第八孔中,再在第七、第八孔中分別加標準品稀釋液50μl,混勻后從第七、第八孔中分別取50μl加到第九、第十孔中,再在第九第十孔分別加標準品稀釋液50μl,混勻后從第九第十孔中各取50μl棄掉。(稀釋后各孔加樣量都為50μl,濃度分別為300ng/L,200ng/L,100ng/L,50ng/L,25ng/L)。加樣:分別設空白孔(空白對照孔不加樣品及酶標試劑,其余各步操作相同)、待測樣品孔。在酶標包被板上待測樣品孔中先加樣品稀釋液40μl,然后再加待測樣品10μl(樣品Z終稀釋度為5倍)。加樣將樣品加于酶標板孔底部,盡量不觸及孔壁,輕輕晃動混勻。溫育:用封板膜封板后置37℃溫育30分鐘。配液:將30(48T的20倍)倍濃縮洗滌液用蒸餾水30(48T的20倍)倍稀釋后備用。洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復5次,拍干。加酶:每孔加入酶標試劑50μl,空白孔除外。溫育:操作同3。洗滌:操作同5。顯色:每孔先加入顯色劑A50μl,再加入顯色劑B50μl,輕輕震蕩混勻,37℃避光顯色15分鐘.終止:每孔加終止液50μl,終止反應(此時藍色立轉黃色)。測定:以空白空調零,450nm波長依序測量各孔的吸光度(OD值)。測定應在加終止液后15分鐘以內進行。注意事項:試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用,酶標包被板開封后如未用完,板條應裝入密封袋中保存。濃洗滌液可能會有結晶析出,稀釋時可在水浴中加溫助溶,洗滌時不影響結果。各步加樣均應使用加樣器,并經常校對其準確性,以避免試驗誤差。一次加樣時間**控制在5分鐘內,如標本數(shù)量多,推薦使用排槍加樣。請每次測定的同時做標準曲線,**做復孔。如標本中待測物質含量過高(樣本OD值大于標準品孔**孔的OD值),請先用樣品稀釋液稀釋一定倍數(shù)(n倍)后再測定,計算時請Z后乘以總稀釋倍數(shù)(×n×5)。封板膜只限一次性使用,以避免交叉污染。底物請避光保存。嚴格按照說明書的操作進行,試驗結果判定必須以酶標儀讀數(shù)為準.所有樣品,洗滌液和各種廢棄物都應按傳染物處理。本試劑不同批號組分不得混用。10.如與英文說明書有異,以英文說明書為準。計算:以標準物的濃度為橫坐標,OD值為縱坐標,在坐標紙上繪出標準曲線,根據(jù)樣品的OD值由標準曲線查出相應的濃度;再乘以稀釋倍數(shù);或用標準物的濃度與OD值計算出標準曲線的直線回歸方程式,將樣品的OD值代入方程式,計算出樣品濃度,再乘以稀釋倍數(shù),即為樣品的實際濃度。(此圖僅供參考)試劑盒性能:1.樣品線性回歸與預期濃度相關系數(shù)R值為0.95以上。2.批內與批見應分別小于9%和11%檢測范圍:20ng/L-400ng/L保存條件及有效期:1.試劑盒保存:;2-8℃。2.有效期:6個月[詳細]
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2018-11-07 14:16
產品樣冊
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小鼠腫瘤壞死因子α(TNF-α)說明書
- 小鼠腫瘤壞死因子α(TNF-α)說明書[詳細]
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2015-04-14 00:00
期刊論文
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豬腫瘤壞死因子α(TNF-α)說明書
- 豬腫瘤壞死因子α(TNF-α)酶聯(lián)免疫分析(ELISA)試劑盒使用說明書本試劑僅供研究使用目的:本試劑盒用于測定豬血清,血漿及相關液體樣本中腫瘤壞死因子α(TNF-α)量。實驗原理:本試劑盒應用雙抗體夾心法測定標本中豬腫瘤壞死因子α(TNF-α)水平。用純化的豬腫瘤壞死因子α(TNF-α)抗體包被微孔板,制成固相抗體,往包被單抗的微孔中依次加入腫瘤壞死因子α,再與HRP標記的羊抗豬抗體結合,形成抗體-抗原-酶標抗體復合物,經過徹底洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色,并在酸的作用下轉化成Z終的黃色。顏色的深淺和樣品中的豬腫瘤壞死因子α呈正相關。用酶標儀在450nm波長下測定吸光度(OD值),通過標準曲線計算樣品中豬腫瘤壞死因子α(TNF-α)濃度。試劑盒組成:試劑盒組成48孔配置96孔配置保存說明書1份1份封板膜2片(48)2片(96)密封袋1個1個酶標包被板1×481×962-8℃保存標準品:450ng/L0.5ml×1瓶0.5ml×1瓶2-8℃保存標準品稀釋液1.5ml×1瓶1.5ml×1瓶2-8℃保存酶標試劑3ml×1瓶6ml×1瓶2-8℃保存樣品稀釋液3ml×1瓶6ml×1瓶2-8℃保存顯色劑A液3ml×1瓶6ml×1瓶2-8℃保存顯色劑B液3ml×1瓶6ml×1瓶2-8℃保存終止液3ml×1瓶6ml×1瓶2-8℃保存濃縮洗滌液(20ml×20倍)×1瓶(20ml×30倍)×1瓶2-8℃保存樣本處理及要求:1.血清:室溫血液自然凝固10-20分鐘,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如出現(xiàn)沉淀,應再次離心。2.血漿:應根據(jù)標本的要求選擇EDTA或檸檬酸鈉作為抗凝劑,混合10-20分鐘后,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應該再次離心。3.尿液:用無菌管收集,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應再次離心。胸腹水、腦脊液參照實行。4.細胞培養(yǎng)上清:檢測分泌性的成份時,用無菌管收集。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。檢測細胞內的成份時,用PBS(PH7.2-7.4)稀釋細胞懸液,細胞濃度達到100萬/ml左右。通過反復凍融,以使細胞破壞并放出細胞內成份。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。保存過程中如有沉淀形成,應再次離心。5.組織標本:切割標本后,稱取重量。加入一定量的PBS,PH7.4。用液氮迅速冷凍保存?zhèn)溆?。標本融化后仍然保?-8℃的溫度。加入一定量的PBS(PH7.4),用手工或勻漿器將標本勻漿充分。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。分裝后一份待檢測,其余冷凍備用。6.標本采集后盡早進行提取,提取按相關文獻進行,提取后應盡快進行實驗。若不能馬上進行試驗,可將標本放于-20℃保存,但應避免反復凍融.7.不能檢測含NaN3的樣品,因NaN3YZ辣根過氧化物酶的(HRP)活性。操作步驟1.標準品的稀釋與加樣:在酶標包被板上設標準品孔10孔,在**、第二孔中分別加標準品100μl,然后在**、第二孔中加標準品稀釋液50μl,混勻;然后從**孔、第二孔中各取100μl分別加到第三孔和第四孔,再在第三、第四孔分別加標準品稀釋液50μl,混勻;然后在第三孔和第四孔中先各取50μl棄掉,再各取50μl分別加到第五、第六孔中,再在第五、第六孔中分別加標準品稀釋液50ul,混勻;混勻后從第五、第六孔中各取50μl分別加到第七、第八孔中,再在第七、第八孔中分別加標準品稀釋液50μl,混勻后從第七、第八孔中分別取50μl加到第九、第十孔中,再在第九第十孔分別加標準品稀釋液50μl,混勻后從第九第十孔中各取50μl棄掉。(稀釋后各孔加樣量都為50μl,濃度分別為300ng/L,200ng/L,100ng/L,50ng/L,25ng/L)。2.加樣:分別設空白孔(空白對照孔不加樣品及酶標試劑,其余各步操作相同)、待測樣品孔。在酶標包被板上待測樣品孔中先加樣品稀釋液40μl,然后再加待測樣品10μl(樣品Z終稀釋度為5倍)。加樣將樣品加于酶標板孔底部,盡量不觸及孔壁,輕輕晃動混勻。3.溫育:用封板膜封板后置37℃溫育30分鐘。4.配液:將30(48T的20倍)倍濃縮洗滌液用蒸餾水30(48T的20倍)倍稀釋后備用。5.洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復5次,拍干。6.加酶:每孔加入酶標試劑50μl,空白孔除外。7.溫育:操作同3。8.洗滌:操作同5。9.顯色:每孔先加入顯色劑A50μl,再加入顯色劑B50μl,輕輕震蕩混勻,37℃避光顯色15分鐘.10.終止:每孔加終止液50μl,終止反應(此時藍色立轉黃色)。11.測定:以空白空調零,450nm波長依序測量各孔的吸光度(OD值)。測定應在加終止液后15分鐘以內進行。注意事項:1.試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用,酶標包被板開封后如未用完,板條應裝入密封袋中保存。2.濃洗滌液可能會有結晶析出,稀釋時可在水浴中加溫助溶,洗滌時不影響結果。3.各步加樣均應使用加樣器,并經常校對其準確性,以避免試驗誤差。一次加樣時間**控制在5分鐘內,如標本數(shù)量多,推薦使用排槍加樣。4.請每次測定的同時做標準曲線,**做復孔。如標本中待測物質含量過高(樣本OD值大于標準品孔**孔的OD值),請先用樣品稀釋液稀釋一定倍數(shù)(n倍)后再測定,計算時請Z后乘以總稀釋倍數(shù)(×n×5)。5.封板膜只限一次性使用,以避免交叉污染。6.底物請避光保存。7.嚴格按照說明書的操作進行,試驗結果判定必須以酶標儀讀數(shù)為準.8.所有樣品,洗滌液和各種廢棄物都應按傳染物處理。9.本試劑不同批號組分不得混用。10.如與英文說明書有異,以英文說明書為準。計算:以標準物的濃度為橫坐標,OD值為縱坐標,在坐標紙上繪出標準曲線,根據(jù)樣品的OD值由標準曲線查出相應的濃度;再乘以稀釋倍數(shù);或用標準物的濃度與OD值計算出標準曲線的直線回歸方程式,將樣品的OD值代入方程式,計算出樣品濃度,再乘以稀釋倍數(shù),即為樣品的實際濃度。(此圖僅供參考)試劑盒性能:1.樣品線性回歸與預期濃度相關系數(shù)R值為0.95以上。2.批內與批見應分別小于9%和11%檢測范圍:7ng/L-400ng/L[詳細]
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2018-09-21 10:01
產品樣冊
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大鼠腫瘤壞死因子α(TNF-α)說明書
- 大鼠腫瘤壞死因子α(TNF-TNF-TNF-TNF-α)酶聯(lián)免疫分析試劑盒使用說明書本試劑盒僅供研究使用。檢測范圍:96T96T96T96T10ng/L-360ng/L使用目的:本試劑盒用于測定大鼠血清、血漿及相關液體樣本中小鼠腫瘤壞死因子α(TNF-α)含量。實驗原理本試劑盒應用雙抗體夾心法測定標本中大鼠腫瘤壞死因子α(TNF-α)水平。用純化的大鼠腫瘤壞死因子α(TNF-α)抗體包被微孔板,制成固相抗體,往包被單抗的微孔中依次加入腫瘤壞死因子α(TNF-α),再與HRP標記的腫瘤壞死因子α(TNF-α)抗體結合,形成抗體-抗原-酶標抗體復合物,經過徹底洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色,并在酸的作用下轉化成Z終的黃色。顏色的深淺和樣品中的腫瘤壞死因子α(TNF-α)呈正相關。用酶標儀在450nm波長下測定吸光度(OD值),通過標準曲線計算樣品中大鼠腫瘤壞死因子α(TNF-α)濃度。試劑盒組成130倍濃縮洗滌液20ml×1瓶7終止液6ml×1瓶2酶標試劑6ml×1瓶8標準品(720ng/L)0.5ml×1瓶3酶標包被板12孔×8條9標準品稀釋液1.5ml×1瓶4樣品稀釋液6ml×1瓶10說明書1份5顯色劑A液6ml×1瓶11封板膜2張6顯色劑B液6ml×1/瓶12密封袋1個標本要求1.標本采集后盡早進行提取,提取按相關文獻進行,提取后應盡快進行實驗。若不能馬上進行試驗,可將標本放于-20℃保存,但應避免反復凍融2.不能檢測含NaN3的樣品,因NaN3YZ辣根過氧化物酶的(HRP)活性。操作步驟1.標準品的稀釋:本試劑盒提供原倍標準品一支,用戶可按照下列圖表在小試管中進行稀釋。360ng/L5號標準品150μl的原倍標準品加入150μl標準品稀釋液180ng/L4號標準品150μl的5號標準品加入150μl標準品稀釋液90ng/L3號標準品150μl的4號標準品加入150μl標準品稀釋液45ng/L2號標準品150μl的3號標準品加入150μl標準品稀釋液22.5ng/L1號標準品150μl的2號標準品加入150μl標準品稀釋液2.加樣:分別設空白孔(空白對照孔不加樣品及酶標試劑,其余各步操作相同)、標準孔、待測樣品孔。在酶標包被板上標準品準確加樣50μl,待測樣品孔中先加樣品稀釋液40μl,然后再加待測樣品10μl(樣品Z終稀釋度為5倍)。加樣將樣品加于酶標板孔底部,盡量不觸及孔壁,輕輕晃動混勻。3.溫育:用封板膜封板后置37℃溫育30分鐘。4.配液:將30倍濃縮洗滌液用蒸餾水30倍稀釋后備用5.洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復5次,拍干。6.加酶:每孔加入酶標試劑50μl,空白孔除外。7.溫育:操作同3。8.洗滌:操作同5。9.顯色:每孔先加入顯色劑A50μl,再加入顯色劑B50μl,輕輕震蕩混勻,37℃避光顯色15分鐘.10.終止:每孔加終止液50μl,終止反應(此時藍色立轉黃色)。11.測定:以空白空調零,450nm波長依序測量各孔的吸光度(OD值)。測定應在加終止液后15分鐘以內進行。操作程序總結:計算以標準物的濃度為橫坐標,OD值為縱坐標,在坐標紙上繪出標準曲線,根據(jù)樣品的OD值由標準曲線查出相應的濃度;再乘以稀釋倍數(shù);或用標準物的濃度與OD值計算出標準曲線的直線回歸方程式,將樣品的OD值代入方程式,計算出樣品濃度,再乘以稀釋倍數(shù),即為樣品的實際濃度。注意事項1.試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用,酶標包被板開封后如未用完,板條應裝入密封袋中保存。2.濃洗滌液可能會有結晶析出,稀釋時可在水浴中加溫助溶,洗滌時不影響結果。3.各步加樣均應使用加樣器,并經常校對其準確性,以避免試驗誤差。一次加樣時間**控制在5分鐘內,如標本數(shù)量多,推薦使用排槍加樣。4.請每次測定的同時做標準曲線,**做復孔。如標本中待測物質含量過高(樣本OD值大于標準品孔**孔的OD值),請先用樣品稀釋液稀釋一定倍數(shù)(n倍)后再測定,計算時請Z后乘以總稀釋倍數(shù)(×n×5)。5.封板膜只限一次性使用,以避免交叉污染。6.底物請避光保存。7.嚴格按照說明書的操作進行,試驗結果判定必須以酶標儀讀數(shù)為準.8.所有樣品,洗滌液和各種廢棄物都應按傳染物處理。9.本試劑不同批號組分不得混用。10.如與英文說明書有異,以英文說明書為準。保存條件及有效期1.試劑盒保存:;2-8℃。2.有效期:6個月[詳細]
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2018-11-15 10:03
產品樣冊
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人腫瘤壞死因子 α (TNF-α)試劑 盒使用說明書
- 人腫瘤壞死因子 α (TNF-α)試劑 盒使用說明書[詳細]
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2015-03-25 00:00
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人腫瘤壞死因子α(TNF-α)ELISA試劑盒使用說明書
- 人腫瘤壞死因子α(TNF-α)ELISA試劑盒使用說明書本試劑僅供研究使用目的:本試劑盒用于測定人血清,細胞上清液樣本中腫瘤壞死因子α(TNF-α)的含量。實驗原理:本試劑盒應用雙抗體夾心法測定標本中人腫瘤壞死因子α(TNF-α)水平。用純化的人腫瘤壞死因子α(TNF-α)抗體包被微孔板,制成固相抗體,往包被單抗的微孔中依次加入腫瘤壞死因子α(TNF-α),再與HRP標記的腫瘤壞死因子α(TNF-α)抗體結合,形成抗體-抗原-酶標抗體復合物,經過徹底洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色,并在酸的作用下轉化成Z終的黃色。顏色的深淺和樣品中的腫瘤壞死因子α(TNF-α)呈正相關。用酶標儀在450nm波長下測定吸光度(OD值),通過標準曲線計算樣品中人腫瘤壞死因子α(TNF-α)濃度。試劑盒組成:試劑盒組成48孔配置96孔配置保存說明書1份1份封板膜2片(48)2片(96)密封袋1個1個酶標包被板1×481×962-8℃保存標準品:450ng/L0.5ml×1瓶0.5ml×1瓶2-8℃保存標準品稀釋液1.5ml×1瓶1.5ml×1瓶2-8℃保存酶標試劑3ml×1瓶6ml×1瓶2-8℃保存樣品稀釋液3ml×1瓶6ml×1瓶2-8℃保存顯色劑A液3ml×1瓶6ml×1瓶2-8℃保存顯色劑B液3ml×1瓶6ml×1瓶2-8℃保存終止液3ml×1瓶6ml×1瓶2-8℃保存濃縮洗滌液(20ml×20倍)×1瓶(20ml×30倍)×1瓶2-8℃保存樣本處理及要求:1.血清:室溫血液自然凝固10-20分鐘,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如出現(xiàn)沉淀,應再次離心。2.血漿:應根據(jù)標本的要求選擇EDTA或檸檬酸鈉作為抗凝劑,混合10-20分鐘后,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應該再次離心。3.尿液:用無菌管收集,離心20分鐘左右(2000-3000轉/分)。仔細收集上清,保存過程中如有沉淀形成,應再次離心。胸腹水、腦脊液參照實行。4.細胞培養(yǎng)上清:檢測分泌性的成份時,用無菌管收集。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。檢測細胞內的成份時,用PBS(PH7.2-7.4)稀釋細胞懸液,細胞濃度達到100萬/ml左右。通過反復凍融,以使細胞破壞并放出細胞內成份。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。保存過程中如有沉淀形成,應再次離心。5.組織標本:切割標本后,稱取重量。加入一定量的PBS,PH7.4。用液氮迅速冷凍保存?zhèn)溆?。標本融化后仍然保?-8℃的溫度。加入一定量的PBS(PH7.4),用手工或勻漿器將標本勻漿充分。離心20分鐘左右(2000-3000轉/分)。仔細收集上清。分裝后一份待檢測,其余冷凍備用。6.標本采集后盡早進行提取,提取按相關文獻進行,提取后應盡快進行實驗。若不能馬上進行試驗,可將標本放于-20℃保存,但應避免反復凍融.7.不能檢測含NaN3的樣品,因NaN3YZ辣根過氧化物酶的(HRP)活性。操作步驟標準品的稀釋與加樣:在酶標包被板上設標準品孔10孔,在**、第二孔中分別加標準品100μl,然后在**、第二孔中加標準品稀釋液50μl,混勻;然后從**孔、第二孔中各取100μl分別加到第三孔和第四孔,再在第三、第四孔分別加標準品稀釋液50μl,混勻;然后在第三孔和第四孔中先各取50μl棄掉,再各取50μl分別加到第五、第六孔中,再在第五、第六孔中分別加標準品稀釋液50ul,混勻;混勻后從第五、第六孔中各取50μl分別加到第七、第八孔中,再在第七、第八孔中分別加標準品稀釋液50μl,混勻后從第七、第八孔中分別取50μl加到第九、第十孔中,再在第九第十孔分別加標準品稀釋液50μl,混勻后從第九第十孔中各取50μl棄掉。(稀釋后各孔加樣量都為50μl,濃度分別為300ng/L,200ng/L,100ng/L,50ng/L,25ng/L)。加樣:分別設空白孔(空白對照孔不加樣品及酶標試劑,其余各步操作相同)、待測樣品孔。在酶標包被板上待測樣品孔中先加樣品稀釋液40μl,然后再加待測樣品10μl(樣品Z終稀釋度為5倍)。加樣將樣品加于酶標板孔底部,盡量不觸及孔壁,輕輕晃動混勻。溫育:用封板膜封板后置37℃溫育30分鐘。配液:將30(48T的20倍)倍濃縮洗滌液用蒸餾水30(48T的20倍)倍稀釋后備用。洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復5次,拍干。加酶:每孔加入酶標試劑50μl,空白孔除外。溫育:操作同3。洗滌:操作同5。顯色:每孔先加入顯色劑A50μl,再加入顯色劑B50μl,輕輕震蕩混勻,37℃避光顯色15分鐘.終止:每孔加終止液50μl,終止反應(此時藍色立轉黃色)。測定:以空白空調零,450nm波長依序測量各孔的吸光度(OD值)。測定應在加終止液后15分鐘以內進行。注意事項:試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用,酶標包被板開封后如未用完,板條應裝入密封袋中保存。濃洗滌液可能會有結晶析出,稀釋時可在水浴中加溫助溶,洗滌時不影響結果。各步加樣均應使用加樣器,并經常校對其準確性,以避免試驗誤差。一次加樣時間**控制在5分鐘內,如標本數(shù)量多,推薦使用排槍加樣。請每次測定的同時做標準曲線,**做復孔。如標本中待測物質含量過高(樣本OD值大于標準品孔**孔的OD值),請先用樣品稀釋液稀釋一定倍數(shù)(n倍)后再測定,計算時請Z后乘以總稀釋倍數(shù)(×n×5)。封板膜只限一次性使用,以避免交叉污染。底物請避光保存。嚴格按照說明書的操作進行,試驗結果判定必須以酶標儀讀數(shù)為準.所有樣品,洗滌液和各種廢棄物都應按傳染物處理。本試劑不同批號組分不得混用。10.如與英文說明書有異,以英文說明書為準。計算:以標準物的濃度為橫坐標,OD值為縱坐標,在坐標紙上繪出標準曲線,根據(jù)樣品的OD值由標準曲線查出相應的濃度;再乘以稀釋倍數(shù);或用標準物的濃度與OD值計算出標準曲線的直線回歸方程式,將樣品的OD值代入方程式,計算出樣品濃度,再乘以稀釋倍數(shù),即為樣品的實際濃度。(此圖僅供參考)試劑盒性能:1.樣品線性回歸與預期濃度相關系數(shù)R值為0.95以上。2.批內與批見應分別小于9%和11%檢測范圍:20ng/L-400ng/L保存條件及有效期:1.試劑盒保存:;2-8℃。2.有效期:6個月[詳細]
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2018-11-07 14:16
產品樣冊
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人腫瘤壞死因子(TNF-)ELISA試劑盒
- 人腫瘤壞死因子(TNF-)ELISA試劑盒[詳細]
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2013-12-06 00:00
應用文章
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人腫瘤壞死因子(TNF-)ELISA試劑盒
- 人腫瘤壞死因子(TNF-)ELISA試劑盒[詳細]
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2013-12-05 00:00
選購指南
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人腫瘤壞死因子(TNF-)ELISA試劑盒
- 人腫瘤壞死因子(TNF-)ELISA試劑盒[詳細]
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2013-12-05 00:00
期刊論文
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人腫瘤壞死因子α(TNF-α)酶聯(lián)免疫分析
- 人腫瘤壞死因子α(TNF-α)酶聯(lián)免疫分析試劑盒使用過程檢測范圍:20ng/L-400ng/L使用目的:本試劑盒用于測定人血清、血漿及相關液體樣本中腫瘤壞死因子α(TNF-α)含量。實驗原理本試劑盒應用雙抗體夾心法測定標本中人腫瘤壞死因子α(TNF-α)水平。用純化的人腫瘤壞死因子α(TNF-α)抗體包被微孔板,制成固相抗體,往包被單抗的微孔中依次加入腫瘤壞死因子α(TNF-α),再與HRP標記的腫瘤壞死因子α(TNF-α)抗體結合形成抗體-抗原-酶標抗體復合物,經過徹底洗滌后加底物TMB顯色。TMB在HRP酶的催化下轉化成藍色,并在酸的作用下轉化成Z終的黃色。顏色的深淺和樣品中的腫瘤壞死因子α(TNF-α)呈正相關。用酶標儀在450nm波長下測定吸光度(OD值),通過標準曲線計算樣品中人腫瘤壞死因子α(TNF-α)濃度。試劑盒組成130倍濃縮洗滌液20ml×1瓶7終止液6ml×1瓶2酶標試劑6ml×1瓶8標準品(800ng/L)0.5ml×1瓶3酶標包被板12孔×8條9標準品稀釋液1.5ml×1瓶4樣品稀釋液6ml×1瓶10說明書1份5顯色劑A液6ml×1瓶11封板膜2張6顯色劑B液6ml×1/瓶12密封袋1個標本要求1.標本采集后盡早進行提取,提取按相關文獻進行,提取后應盡快進行實驗。若不能馬上進行試驗,可將標本放于-20℃保存,但應避免反復凍融2.不能檢測含NaN3的樣品,因NaN3YZ辣根過氧化物酶的(HRP)活性。操作步驟1.標準品的稀釋:本試劑盒提供原倍標準品一支,用戶可按照下列圖表在小試管中進行稀釋。400ng/L5號標準品150μl的原倍標準品加入150μl標準品稀釋液200ng/L4號標準品150μl的5號標準品加入150μl標準品稀釋液100ng/L3號標準品150μl的4號標準品加入150μl標準品稀釋液50ng/L2號標準品150μl的3號標準品加入150μl標準品稀釋液25ng/L1號標準品150μl的2號標準品加入150μl標準品稀釋液2.加樣:分別設空白孔(空白對照孔不加樣品及酶標試劑,其余各步操作相同)、標準孔、待測樣品孔。在酶標包被板上標準品準確加樣50μl,待測樣品孔中先加樣品稀釋液40μl,然后再加待測樣品10μl(樣品Z終稀釋度為5倍)。加樣將樣品加于酶標板孔底部,盡量不觸及孔壁,輕輕晃動混勻。3.溫育:用封板膜封板后置37℃溫育30分鐘。4.配液:將30倍濃縮洗滌液用蒸餾水30倍稀釋后備用5.洗滌:小心揭掉封板膜,棄去液體,甩干,每孔加滿洗滌液,靜置30秒后棄去,如此重復5次,拍干。6.加酶:每孔加入酶標試劑50μl,空白孔除外。7.溫育:操作同3。8.洗滌:操作同5。9.顯色:每孔先加入顯色劑A50μl,再加入顯色劑B50μl,輕輕震蕩混勻,37℃避光顯色15分鐘.10.終止:每孔加終止液50μl,終止反應(此時藍色立轉黃色)。11.測定:以空白空調零,450nm波長依序測量各孔的吸光度(OD值)。測定應在加終止液后15分鐘以內進行。操作程序總結:計算以標準物的濃度為橫坐標,OD值為縱坐標,在坐標紙上繪出標準曲線,根據(jù)樣品的OD值由標準曲線查出相應的濃度;再乘以稀釋倍數(shù);或用標準物的濃度與OD值計算出標準曲線的直線回歸方程式,將樣品的OD值代入方程式,計算出樣品濃度,再乘以稀釋倍數(shù),即為樣品的實際濃度。注意事項1.試劑盒從冷藏環(huán)境中取出應在室溫平衡15-30分鐘后方可使用,酶標包被板開封后如未用完,板條應裝入密封袋中保存。2.濃洗滌液可能會有結晶析出,稀釋時可在水浴中加溫助溶,洗滌時不影響結果。3.各步加樣均應使用加樣器,并經常校對其準確性,以避免試驗誤差。一次加樣時間**控制在5分鐘內,如標本數(shù)量多,推薦使用排槍加樣。4.請每次測定的同時做標準曲線,**做復孔。如標本中待測物質含量過高(樣本OD值大于標準品孔**孔的OD值),請先用樣品稀釋液稀釋一定倍數(shù)(n倍)后再測定,計算時請Z后乘以總稀釋倍數(shù)(×n×5)。5.封板膜只限一次性使用,以避免交叉污染。6.底物請避光保存。7.嚴格按照說明書的操作進行,試驗結果判定必須以酶標儀讀數(shù)為準.8.所有樣品,洗滌液和各種廢棄物都應按傳染物處理。9.本試劑不同批號組分不得混用。10.如與英文說明書有異,以英文說明書為準。保存條件及有效期1.試劑盒保存:;2-8℃。2.有效期:6個月[詳細]
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2018-10-03 10:00
產品樣冊
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人腫瘤壞死因子(TNF-)ELISA試劑盒
- 人腫瘤壞死因子(TNF-)ELISA試劑盒[詳細]
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2024-09-20 02:29
其它
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人腫瘤壞死因子α(TNF-α)酶聯(lián)免疫分析試劑盒使用說明書
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2018-11-18 10:00
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