Assay Method Information

Assay Name:  BIOLOGICAL ACTIVITY
Description:  Reagents and instruments: radiolabeled dihydrotestosterone (DHT-d3) and unlabelled dihydrotestosterone (DHT) purchased from Sigma-Aldrich (St. Louis, Mo.), scintillation solution purchased from Perkin Elmer Life Sciences (Boston, Mass.), hydroxyapatite (HAP) suspension purchased from Bio-Rad Laboratories (Hercules, Calif.), buffer (containing 10 mM Tris, 1.5 mM disodium EDTA, 0.25 M sucrose, 10 mM sodium molybdate and 1 mM PMSF, pH value adjusted to 7.4), and hydroxyapatite (HAP) solution (containing 50 mM Tris and 1 mM KH2PO4, pH value adjusted to 7.4).
Affinity data for this assay
 

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