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蚂蚁淘在线 / 品牌中心 / Everest Biotech / 珠穆朗玛峰生物技术/人ANG ELISA试剂盒1个/2901690015个/1个

珠穆朗玛峰生物技术/人ANG ELISA试剂盒1个/2901690015个/1个

价格
￥4784.00
货号：2901690015
浏览量：127
品牌：Everest Biotech
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商品描述

ForquantitativedetectionofhumanANGincellculturesupernates,serumandplasma(heparin,EDTA).
TypicalDataObtainedfromHumanANG
(TMBreactionincubateat37°Cfor15min)
Concentration(pg/ml)
0.0
78
156
313
625
1250
2500
5,000
O.D
0.007
0.255
0.500
0.757
1.194
1.660
1.787
1.966
TypicalHumanANGELISAKitStandardCurve
ThisstandardcurvewasgeneratedatEtonfordemonstrationpurposeonly.Astandardcurvemustberunwitheachassay.

Range78pg/ml-5000pg/ml

Sensitivity<12pg/ml
SpecificityNaturalandrecombinanthumanANG
Cross-reactivityNodetectablecross-reactivitywithotherrelevantproteins
Storage
Storeat4°Cfor6months,at-20°Cfor12months.Avoidmultiplefreeze-thawcycles(Shippedwithwetice.)
Principle
Eton’shumanANGELISAKitwasbasedonstandardsandwichenzyme-linkedimmune-sorbentassaytechnology.AmonoclonalantibodyfrommousespecificforANGhasbeenprecoatedonto96-wellplates.Standards(E.coli,Q25-P147)andtestsamplesareaddedtothewells,abiotinylateddetectionpolyclonalantibodyfromgoatspecificforANGisaddedsubsequentlyandthenfollowedbywashingwithPBSorTBSbuffer.Avidin-Biotin-PeroxidaseComplexwasaddedandunboundconjugateswerewashedawaywithPBSorTBSbuffer.HRPsubstrateTMBwasusedtovisualizeHRPenzymaticreaction.TMBwascatalyzedbyHRPtoproduceabluecolorproductthatchangedintoyellowafteraddingacidicstopsolution.ThedensityofyellowisproportionaltothehumanANGamountofsamplecapturedinplate.
KitComponents
Description
Quantity
96-wellplateprecoatedwithanti-humanANGantibody
1
LyophilizedrecombinanthumanANGstandard
10ng/tube×2
Biotinylatedanti-humanANGantibody
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(50-500ng/ml).Theworkingdilutionis1:100.i.e.Add3μlsampleinto297μlsamplediluentbuffer.
Mediumtargetproteinconcentration(5-50ng/ml).Theworkingdilutionis1:10.i.e.Add25μlsampleinto225μlsamplediluentbuffer.
Lowtargetproteinconcentration(78-5000pg/ml).Theworkingdilutionis1:2.i.e.Add100μlsampleto100μlsamplediluentbuffer.
Verylowtargetproteinconcentration(≤78pg/ml).Nodilutionnecessary,ortheworkingdilutionis1:2.
3.ReagentPreparationandStorage
A.ReconstitutionofthehumanANGstandard:ANGstandardsolutionshouldbepreparednomorethan2hourspriortotheexperiment.TwotubesofANGstandard(10ngpertube)areincludedineachkit.Useonetubeforeachexperiment.
a.10,000pg/mlofhumanANGstandardsolution:Add1mlsamplediluentbufferintoonetube,keepthetubeatroomtemperaturefor10minandmixthoroughly.
b.5000pg/ml→78pg/mlofhumanANGstandardsolutions:Label7Eppendorftubeswith5000pg/ml,2500pg/ml,1250pg/ml,625pg/ml,312pg/ml,156pg/ml,78pg/mlrespectively.Aliquot0.3mlofthesamplediluentbufferintoeachtube.Add0.3mloftheabove10,000pg/mlANGstandardsolutioninto1sttubeandmix.Transfer0.3mlfrom1sttubeto2ndtubeandmix.Transfer0.3mlfrom2ndtubeto3rdtubeandmix,andsoon.
Note:Thestandardsolutionsarebestusedwithin2hours.The10ng/mlstandardsolutionshouldbestoredat4°Cforupto12hours,orat-20°Cforupto48hours.Avoidrepeatedfreeze-thawcycles.
B.Preparationofbiotinylatedanti-humanANGantibodyworkingsolution:Thesolutionshouldbepreparednomorethan2hourspriortotheexperiment.
a.Thetotalvolumeshouldbe:0.1ml/wellx(thenumberofwells).(Allowing0.1-0.2mlmorethantotalvolume)
b.Biotinylatedanti-humanANGantibodyshouldbedilutedin1:100withtheantibodydiluentbufferandmixedthoroughly.(i.e.Add1μlBiotinylatedanti-humanANGantibodyto99μlantibodydiluentbuffer.)
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.StandardANGdetectioncurveshouldbepreparedforeachexperiment.TheuserwilldecidesampledilutionfoldbycrudeestimationofANGamountinsamples.
1.Aliquot0.1mlperwellofthe4000pg/ml,2000pg/ml,1000pg/ml,500pg/ml,250pg/ml,125pg/ml,62.5pg/mlhumanANGstandardsolutionsintotheprecoated96-wellplate.Add0.1mlofthesamplediluentbufferintothecontrolwell(Zerowell).Add0.1mlofeachproperlydilutedsampleofhumancellculturesupernates,serumorplasma(heparin,EDTA)toeachemptywell.See“SampleDilutionGuideline”abovefordetails.ItisrecommendedthateachhumanANGstandardsolutionandeachsamplebemeasuredinduplicate.
2.Sealtheplatewiththecoverandincubateat37°Cfor90min.
3.Removethecover,discardplatecontent,andblottheplateontopapertowelsorotherabsorbentmaterial.DoNOTletthewellscompletelydryatanytime.
4.Add0.1mlofbiotinylatedanti-humanANGantibodyworkingsolutionintoeachwellandincubatetheplateat37°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).
8.Add90μlofpreparedTMBcolordevelopingagentintoeachwellandincubateplateat37°Cindarkfor15-20min(Note:Forreferenceonly,theoptimalincubationtimeshouldbedeterminedbyenduser.AndtheshadesofbluecanbeseeninthewellswiththefourmostconcentratedhumanANGstandardsolutions;theotherwellsshownoobviouscolor).
9.Add0.1mlofpreparedTMBstopsolutionintoeachwell.Thecolorchangesintoyellowimmediately.
10.ReadtheO.D.absorbanceat450nminamicroplatereaderwithin30minafteraddingthestopsolution.
Forcalculation,(therelativeO.D.450)=(theO.D.450ofeachwell)–(theO.D.450ofZerowell).ThestandardcurvecanbeplottedastherelativeO.D.450ofeachstandardsolution(Y)vs.therespectiveconcentrationofthestandardsolution(X).ThehumanANGconcentrationofthesamplescanbeinterpolatedfromthestandardcurve.
Note:ifthesamplesmeasuredwerediluted,multiplythedilutionfactortotheconcentrationsfrominterpolationtoobtaintheconcentrationbeforedilution.
Summary
1.Addsamplesandstandardsandincubatetheplateat37°Cfor90min.Donotwash.
2.Addbiotinylatedantibodiesandincubatetheplateat37°Cfor60min.Washplate3timeswith0.01MTBS.
3.AddABCworkingsolutionandincubatetheplateat37°Cfor30min.Washplate5timeswith0.01MTBS.
4.AddTMBcolordevelopingagentandincubatetheplateat37°Cindarkfor15-20min.
5.AddTMBstopsolutionandread.

1.genetochromosomeband14q11,proximaltotheTcellreceptoralpha/deltalocus".AmJHumGenet47(6):973–81.
2."EntrezGene:ANGangiogenin,ribonuclease,RNaseAfamily,5".http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=283.

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