??Serum - Allow samples to clot for two hours at room temperature or overnight at 4oC before centrifugation for 20 minutes at approximately 1000×g. Assay immediately or store samples in aliquot at -20oC or -80oC. Avoid repeated freeze/thaw cycles.

??血清：將收集于血清分離管的全血標本在室溫放置2小時或4oC過夜，然后1000×g離心20分鐘，取上清即可，或?qū)⑸锨逯糜?20oC或-80oC保存，但應(yīng)避免反復凍融。