title: The coupling of biologically active proteins to ethylene-maleic anhydride copolymers of different anhydride content.
mesh_terms: D000812:Anhydrides / Q000032:analysis; D055598:Chemical Phenomena; D002621:Chemistry; D002918:Chymotrypsin; D010450:Endopeptidases / Q000032:analysis; D005612:Freeze Drying; D006868:Hydrolysis; D008298:Maleates; D008722:Methods; D009584:Nitrogen / Q000032:analysis; D010206:Papain; D011095:Polyethylenes; D011485:Protein Binding; D012995:Solubility; D014357:Trypsin
chemical_list: D000812:Anhydrides; D008298:Maleates; D011095:Polyethylenes; D010450:Endopeptidases; D002918:Chymotrypsin; D014357:Trypsin; D010206:Papain; D009584:Nitrogen