immobilized phenylboronic acid was applied to the isolation of nucleosides , nucleotides , and glycoprotein hormones such as bovine follicotropin and human chorionic gonadotropin , while immobilized benzamidine was employed for the isolation of the serine proteases thrombin and trypsin , immobilized tri-l-alanine for the separation of pig pancreatic elastase and human leukocyte elastase , and immobilized concanavalin a for the isolation of horseradish peroxidase .
C0030306
pancreatic elastase
C0064833
human leukocyte elastase