SEARCH Articles Figures Tables Alcohol groups chemical derivatization Derivatization amino group Derivatization carboxylic group Enamines carbonyl group derivatization Functional group derivatization Functional group derivatization heparin General Concepts for Derivatization of Functional Groups Heparin hydroxyl group derivatization Hydrazones carbonyl group derivatization Hydroxyl group derivatization Oximes carbonyl group derivatization