certain protease inhibitors , such as alpha 2-macroglobulin , aprotinin ( trasylol ) , soybean trypsin inhibitor , phenylmethylsulfonylfluoride , or 50 % fetal bovine serum , inhibited or depressed the separation , while triamcinolone acetonide , n-ethylmaleimide , or edta did not .
C0003641
aprotinin
C0592198
trasylol