珠穆朗玛峰生物技术/人类BAFF ELISA试剂盒1个/2901980015个/1个

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¥4784.00
货号:2901980015
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品牌:Everest Biotech
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商品描述

ForquantitativedetectionofhumanBAFFincellculturesupernates,serumandplasma(heparin,EDTA).

TypicalDataObtainedfromHumanBAFF

(TMBreactionincubateat37°Cfor20min)
Concentration(pg/ml)
0.0
62.5
125
250
500
1000
2000
4000
O.D
0.029
0.074
0.110
0.187
0.336
0.653
1.222
2.263

TypicalHumanBAFFELISAKitStandardCurve

ThisstandardcurvewasgeneratedatEtonfordemonstrationpurposeonly.Astandardcurvemustberunwitheachassay.

Range62.5pg/ml-4000pg/ml

Sensitivity<2pg/ml
SpecificityNaturalandrecombinanthumanBAFF
Cross-reactivityNodetectablecross-reactivitywithotherrelevantproteins

Storage

Storeat4°Cfor6months,at-20°Cfor12months.Avoidmultiplefreeze-thawcycles(Shippedwithwetice.)

Principle

Eton’shumanBAFFELISAKitwasbasedonstandardsandwichenzyme-linkedimmune-sorbentassaytechnology.AmonoclonalantibodyfrommousespecificforBAFFhasbeenprecoatedonto96-wellplates.Standardsandtestsamplesareaddedtothewells,abiotinylateddetectionpolyclonalantibodyfromgoatspecificforBAFFisaddedsubsequentlyandthenfollowedbywashingwithPBSorTBSbuffer.Avidin-Biotin-PeroxidaseComplexwasaddedandunboundconjugateswerewashedawaywithPBSorTBSbuffer.HRPsubstrateTMBwasusedtovisualizeHRPenzymaticreaction.TMBwascatalyzedbyHRPtoproduceabluecolorproductthatchangedintoyellowafteraddingacidicstopsolution.ThedensityofyellowisproportionaltothehumanBAFFamountofsamplecapturedinplate.

KitComponents

Description
Quantity
96-wellplateprecoatedwithanti-humanBAFFantibody
1
LyophilizedrecombinanthumanBAFFstandard
10ng/tube×2
Biotinylatedanti-humanBAFFantibody
130μl(dilution1:100)
Avidin-Biotin-PeroxidaseComplex(ABC)
130μl(dilution1:100)
Samplediluentbuffer
30ml
Antibodydiluentbuffer
12ml
ABCdiluentbuffer
12ml
TMBcolordevelopingagent
10ml
TMBstopsolution
10ml

MaterialRequiredButNotProvided

1.Microplatereaderinstandardsize.
2.Automatedplatewasher.
3.AdjustablePipettesandpipettetips.Multichannelpipettesarerecommendedintheconditionoflargeamountofsamplesinthedetection.
4.CleantubesandEppendorftubes.
5.Washingbuffer(neutralPBSorTBS).
Preparationof0.01MTBS:Add1.2gTris,8.5gNacl;450μlofpurifiedaceticacidor700μlofconcentratedhydrochloricacidto1000mlH2OandadjustpHto7.2-7.6.Finally,adjustthetotalvolumeto1L.
Preparationof0.01MPBS:Add8.5gsodiumchloride,1.4gNa2HPO4and0.2gNaH2PO4to1000mldistilledwaterandadjustpHto7.2-7.6.Finally,adjustthetotalvolumeto1L.

NoticeforApplicationofKit

1.Toinspectthevalidityofexperimentoperationandtheappropriatenessofsampledilutionproportion,pilotexperimentusingstandardsandasmallnumberofsamplesisrecommended.
2.TheTMBColorDevelopingagentiscolorlessandtransparentbeforeusing,contactusfreelyifitisnotthecase.
3.BeforeusingtheKit,spintubesandbringdownallcomponentstothebottomoftubes.
4.Duplicatewellassayisrecommendedforbothstandardandsampletesting.
5.Don’tlet96-wellplatedry,fordryplatewillinactivateactivecomponentsonplate.
6.Don’treusetipsandtubestoavoidcrosscontamination.
7.Toavoidtousethereagentsfromdifferentbatchestogether.

8.Inordertoavoidmarginaleffectofplateincubationduetotemperaturedifference(reactionmaybestrongerinthemarginalwells),itissuggestedthatthedilutedABCandTMBsolutionwillbepre-warmedin37°Cfor30minbeforeusing.



Preparation
1.SamplePreparationandStorage
Storesamplestobeassayedwithin24hoursat2-8°C.Forlong-termstorage,aliquotandfreezesamplesat-20°C.Avoidrepeatedfreeze-thawcycles.
Cellculturesupernates:Removeparticulatesbycentrifugation,assayimmediatelyoraliquotandstoresamples
at-20°C.
Serum:Allowtheserumtoclotinaserumseparatortube(about4hours)atroomtemperature.Centrifugeatapproximately1000Xgfor15min.Analyzetheserumimmediatelyoraliquotandstoresamplesat-20°C.
Plasma:CollectplasmausingheparinorEDTAasananticoagulant.Centrifugefor15minat1500xgwithin30minofcollection.Assayimmediatelyoraliquotandstoresamplesat-20°C.
2.SampleDilutionGuideline
Theuserneedstoestimatetheconcentrationofthetargetproteininthesampleandselectaproperdilutionfactorsothatthedilutedtargetproteinconcentrationfallsnearthemiddleofthelinearregimeinthestandardcurve.Dilutethesampleusingtheprovideddiluentbuffer.Thefollowingisaguidelineforsampledilution.Severaltrialsmaybenecessaryinpractice.Thesamplemustbewellmixedwiththediluentsbuffer.
Hightargetproteinconcentration(40-400ng/ml).Theworkingdilutionis1:100.i.e.Add3μlsampleinto297μlsamplediluentbuffer.
Mediumtargetproteinconcentration(4-40ng/ml).Theworkingdilutionis1:10.i.e.Add25μlsampleinto225μlsamplediluentbuffer.
Lowtargetproteinconcentration(62.5-4000pg/ml).Theworkingdilutionis1:2.i.e.Add100μlsampleinto100μlsamplediluentbuffer.
Verylowtargetproteinconcentration(≤62.5pg/ml)Nodilutionnecessary,ortheworkingdilutionis1:2.
3.ReagentPreparationandStorage
A.ReconstitutionofthehumanBAFFstandard:BAFFstandardsolutionshouldbepreparednomorethan2hourspriortotheexperiment.TwotubesofBAFFstandard(10ngpertube)areincludedineachkit.Useonetubeforeachexperiment.
a.10,000pg/mlofhumanBAFFstandardsolution:Add1mlsamplediluentbufferintoonetube,keepthetubeatroomtemperaturefor10minandmixthoroughly.
b.4000pg/mlofhumanBAFFstandardsolution:Add0.4mloftheabove10ng/mlBAFFstandardsolutioninto0.6mlsamplediluentbufferandmixthoroughly.
c.2000pg/ml→62.5pg/mlofhumanBAFFstandardsolutions:Label6Eppendorftubeswith2000pg/ml,1000pg/ml,500pg/ml,250pg/ml,125pg/ml,62.5pg/mlrespectively.Aliquot0.3mlofthesamplediluentbufferintoeachtube.Add0.3mloftheabove4000pg/mlBAFFstandardsolutioninto1sttubeandmix.Transfer0.3mlfrom1sttubeto2ndtubeandmix.Transfer0.3mlfrom2ndtubeto3rdtubeandmix,andsoon.
Note:Thestandardsolutionsarebestusedwithin2hours.The10ng/mlstandardsolutionshouldbestoredat4°Cforupto12hours,orat-20°Cforupto48hours.Avoidrepeatedfreeze-thawcycles.
B.Preparationofbiotinylatedanti-humanBAFFantibodyworkingsolution:Thesolutionshouldbepreparednomorethan2hourspriortotheexperiment.
a.Thetotalvolumeshouldbe:0.1ml/wellx(thenumberofwells).(Allowing0.1-0.2mlmorethantotalvolume)
b.Biotinylatedanti-humanBAFFantibodyshouldbedilutedin1:100withtheantibodydiluentbufferandmixedthoroughly.(i.e.Add1μlBiotinylatedanti-humanBAFFantibodyto99μlantibodydiluentbuffer.)
C.PreparationofAvidin-Biotin-PeroxidaseComplex(ABC)workingsolution:Thesolutionshouldbepreparednomorethan1hourpriortotheexperiment.
a.Thetotalvolumeshouldbe:0.1ml/wellx(thenumberofwells).(Allowing0.1-0.2mlmorethantotalvolume)
b.Avidin-Biotin-PeroxidaseComplex(ABC)shouldbedilutedin1:100withtheABCdilutionbufferandmixedthoroughly.(i.e.Add1μlABCto99μlABCdiluentbuffer.)
AssayProcedure
TheABCworkingsolutionandTMBcolordevelopingagentmustbekeptwarmat37°Cfor30minbeforeuse.Whendilutingsamplesandreagents,theymustbemixedcompletelyandevenly.StandardBAFFdetectioncurveshouldbepreparedforeachexperiment.TheuserwilldecidesampledilutionfoldbycrudeestimationofBAFFamountinsamples.
1.Aliquot0.1mlperwellofthe4000pg/ml,2000pg/ml,1000pg/ml,500pg/ml,250pg/ml,125pg/ml,62.5pg/mlhumanBAFFstandardsolutionsintotheprecoated96-wellplate.Add0.1mlofthesamplediluentbufferintothecontrolwell(Zerowell).Add0.1mlofeachproperlydilutedsampleofhumancellculturesupernates,serumorplasma(heparin,EDTA)toeachemptywell.See“SampleDilutionGuideline”abovefordetails.ItisrecommendedthateachhumanBAFFstandardsolutionandeachsamplebemeasuredinduplicate.
2.Sealtheplatewiththecoverandincubateat37°Cfor90min.
3.Removethecover,discardplatecontent,andblottheplateontopapertowelsorotherabsorbentmaterial.DoNOTletthewellscompletelydryatanytime.
4.Add0.1mlofbiotinylatedanti-humanBAFFantibodyworkingsolutionintoeachwellandincubatetheplateat37°Cfor60min.
5.Washplate3timeswith0.01MTBSor0.01MPBS,andeachtimeletwashingbufferstayinthewellsfor1min.Discardthewashingbufferandblottheplateontopapertowelsorotherabsorbentmaterial.(PlateWashingMethod:Discardthesolutionintheplatewithouttouchingthesidewalls.Blottheplateontopapertowelsorotherabsorbentmaterial.Soakeachwellwithatleast0.3mlPBSorTBSbufferfor1~2minutes.RepeatthisprocesstwoadditionaltimesforatotalofTHREEwashes.Note:Forautomatedwashing,aspirateallwellsandwashTHREEtimeswithPBSorTBSbuffer,overfillingwellswithPBSorTBSbuffer.Blottheplateontopapertowelsorotherabsorbentmaterial.)
6.Add0.1mlofpreparedABCworkingsolutionintoeachwellandincubatetheplateat37°Cfor30min.
7.Washplate5timeswith0.01MTBSor0.01MPBS,andeachtimeletwashingbufferstayinthewellsfor1-2min.Discardthewashingbufferandblottheplateontopapertowelsorotherabsorbentmaterial.(SeeStep5forplatewashingmethod).
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