标记试剂盒

p27 ELISA

Procedure
  1. Dilutep27monoclonalantibody1:1000(v/v)inCarbonateCoatingBuffer.Add100µl/wellandincubateo/n@4°Cor1hr@37°C.
  2. Wash3XwithTBST(pourontoplate,emptyintosink,hitontotowel3xtoclearwells).
  3. Blockplatebyadding270µl/wellofBSA/TBSsolution.
  4. Incubate@37°Cfor1hr.
  5. Wash3xwithTBST.
  6. Dilutesamplesandstandardsinassaybufferandadd100µl/well(thehighestconcentrationofstandardsisaddedto200µlthenseriallydilutedin100µlassaybufferontheplate).
  7. Incubate@RTfor1hrwhileshaking.
  8. MeanwhileletTMBsolutionequilibratetoRT.
  9. Washplate3xandadd100µl/wellrabbitpolyclonalanti-p27antibodydiluted1:1000inassaybuffer.
  10. Incubate1hr@RTwithshaking.
  11. Washplate3xandadd100µl/wellanti-rabbitHRPconjugatedantibodydiluted1:1000inassaybuffer.
  12. Incubate1hr@RTw/shaking.
  13. Wash3xandadd100µl/wellTMB.Allowtodevelopw/oshakingforupto15min.@RT.
  14. InactivateTMBwith1NHCLandread@A450withTMB-Sprograminaplatereader.
Materials

CarbonateCoatingBuffer
TBSAssaybuffer
25mMsodiumbicarbonate10mMTris,pH7.4PBS
25mMsodiumcarbonate8g/LNaCl(137mM)0.1%w/vBSA
pHto9.70.2g/LKCL(2.7mM)0.1%v/vTween-20(SigmaP7949)
TBSTTBS+0.05%Tween20

BSA/TBSTBS+2%w/vBSA

Antibodiesanti-p27monoclonalantibody(BDTransductionLabs,610241)
Rabbitanti-mousep27antibody(Ferolab)
TBMElizaColorSubstrate3,3"5,5"-Tetramethyl-benzidine(TMB),100mLSigma(T-0440)Storeat4ºC
Plates
Nuncimmuno-plate,C96Maxisorp

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