Useful in Sandwich ELISA for Quantitative Detection of Antigen. Aliquot 0.1ml per well of the 32000pg/ml, 16000pg/ml, 8000pg/ml, 4000pg/ml, 2000pg/ml, 1000pg/ml, 500pg/ml human IGFBP4 standard solutions into the precoated 96-well plate. Add 0.1ml of the
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