ForquantitativedetectionofhumanIL1RL1incellculturesupernates,serumandplasma(heparin,EDTA).
TypicalDataObtainedfromHumanIL1RL1
(TMBreactionincubateat37°Cfor20min)
Concentration(pg/ml) | 0 | 156 | 312 | 625 | 1250 | 2500 | 5000 | 10,000 |
| | | | | | | | |
O.D | 0.015 | 0.079 | 0.152 | 0.303 | 0.553 | 0.957 | 1.634 | 2.103 |
| | | | | | | | |
TypicalHumanIL1RL1ELISAKitStandardCurve ThisstandardcurvewasgeneratedatEtonfordemonstrationpurposeonly.Astandardcurvemustberunwitheachassay.
Range156pg/ml-10,000pg/ml
Sensitivity<10pg/ml
NaturalandrecombinanthumanIL1RL1aswellasfreeIL1RL1and
SpecificityIL-33complexedIL1RL1.
Cross-reactivityNodetectablecross-reactivitywithotherrelevantproteins.
Storage
Storeat4°Cfor6months,at-20°Cfor12months.Avoidmultiplefreeze-thawcycles(Shippedwithwetice.)
Precision
Intra-AssayPrecision(Precisionwithinanassay)Threesamplesofknownconcentrationweretestedononeplatetoassessintra-assayprecision.
Inter-AssayPrecision(Precisionbetweenassays)Threesamplesofknownconcentrationweretestedinseparateassaystoassessinter-assayprecision.
| Intra-AssayPrecision | Inter-AssayPrecision |
| | |
Sample | 1 | 2 | 3 | 1 | 2 | 3 |
| | | | | | |
n | 16 | 16 | 16 | 24 | 24 | 24 |
| | | | | | |
Mean(ng/ml) | 0.53 | 2.05 | 4.31 | 0.69 | 2.54 | 4.68 |
| | | | | | |
Standarddeviation | 0.028 | 0.094 | 0.142 | 0.06 | 0.157 | 0.229 |
| | | | | | |
CV(%) | 5.2 | 4.6 | 3.3 | 8.7 | 6.2 | 4.9 |
| | | | | | |
Principle
Eton’shumanIL1RL1ELISAKitwasbasedonstandardsandwichenzyme-linkedimmune-sorbentassaytechnology.AmonoclonalantibodyfrommousespecificforIL1RL1hasbeenprecoatedonto96-wellplates.Standards(NSO,K19-S328)andtestsamplesareaddedtothewells,abiotinylateddetectionpolyclonalantibodyfromgoatspecificforIL1RL1isaddedsubsequentlyandthenfollowedbywashingwithPBSorTBSbuffer.Avidin-Biotin-PeroxidaseComplexwasaddedandunboundconjugateswerewashedawaywithPBSorTBSbuffer.HRPsubstrateTMBwasusedtovisualizeHRPenzymaticreaction.TMBwascatalyzedbyHRPtoproduceabluecolorproductthatchangedintoyellowafteraddingacidicstopsolution.ThedensityofyellowisproportionaltothehumanIL1RL1amountofsamplecapturedinplate.
KitComponents
Description | Quantity |
| |
96-wellplateprecoatedwithanti-humanIL1RL1antibody | 1 |
| |
LyophilizedrecombinanthumanIL1RL1standard | 10ng/tube×2 |
| |
Biotinylatedanti-humanIL1RL1antibody | 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. 5.Washingbuffer(neutralPBSorTBS).
Preparationof0.01MTBS:Add1.2gTris,8.5gNacl;450μlofpurifiedaceticacidor700μlofconcentratedhydrochloricacidto1000mlH2OandadjustpHto7.2-7.6.Finally,adjustthetotalvolumeto1L.
NoticeforApplicationofKit
Preparationof0.01MPBS:Add8.5gsodiumchloride,1.4gNa2HPO4and0.2gNaH2PO4to1000mldistilledwaterandadjustpHto7.2-7.6.Finally,adjustthetotalvolumeto1L.
1.Toinspectthevalidityofexperimentoperationandtheappropriatenessofsampledilutionproportion,pilotexperimentusingstandardsandasmallnumberofsamplesisrecommended.
2.TheTMBColorDevelopingagentiscolorlessandtransparentbeforeusing,contactusfreelyifitisnotthecase.
3.BeforeusingtheKit,spintubesandbringdownallcomponentstothebottomoftubes.
4.Duplicatewellassayisrecommendedforbothstandardandsampletesting.
5.Don’tlet96-wellplatedry,fordryplatewillinactivateactivecomponentsonplate.
6.Don’treusetipsandtubestoavoidcrosscontamination.
7.Avoidusingthereagentsfromdifferentbatchestogether.
8.Inordertoavoidmarginaleffectofplateincubationduetotemperaturedifference(reactionmaybestrongerinthemarginalwells),itissuggestedthatthedilutedABCandTMBsolutionwillbepre-warmedin37°Cfor30minbeforeusing.
Preparation
1.SamplePreparationandStorage
Storesamplestobeassayedwithin24hoursat2-8°C.Forlong-termstorage,aliquotandfreezesamplesat-20°C.Avoidrepeatedfreeze-thawcycles.
Cellculturesupernates:Removeparticulatesbycentrifugation,assayimmediatelyoraliquotandstoresamplesat
-20°C.
Serum:Allowtheserumtoclotinaserumseparatortube(about4hours)atroomtemperature.Centrifugeatapproximately1000Xgfor10min.Analyzetheserumimmediatelyoraliquotandstorefrozenat-20°C.
Plasma:CollectplasmausingheparinorEDTAasananticoagulant.Centrifugefor10minat1000xgwithin30minofcollection.Analyzeimmediatelyoraliquotandstorefrozenat-20°C.
2.SampleDilutionGuideline
Theuserneedstoestimatetheconcentrationofthetargetproteininthesampleandselectaproperdilutionfactorsothatthedilutedtargetproteinconcentrationfallsnearthemiddleofthelinearregimeinthestandardcurve.Dilutethesampleusingtheprovideddiluentbuffer.Thefollowingisaguidelineforsampledilution.Severaltrialsmaybenecessaryinpractice.Thesamplemustbewellmixedwiththediluentsbuffer.
Hightargetproteinconcentration(100-1000ng/ml).Theworkingdilutionis1:100.i.e.Add1μlsampleinto99μlsamplediluentbuffer.
Mediumtargetproteinconcentration(10-100ng/ml).Theworkingdilutionis1:10.i.e.Add10μlsampleinto90μlsamp
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