SEARCH Articles Figures Tables Activation of Polysaccharides for Covalently Attaching Ligands and Proteins Cationic polymerization covalent active species Covalent Binding to Activated Nonactivated Surfaces Covalent activation Covalent active species Covalent active species reactivities Covalent active species, equilibria with ionic Covalent attachment active-esters method Covalent binding activation Covalent modifications to regulate enzyme activity Covalent organocatalysis activation Epoxides covalent activation Oxides covalent activations Ylides covalent activations