Covalently reactive particles incorporated in a continuous...

Details Covalently reactive particles incorporated in a continuous... Covalently reactive particles incorporated in a continuous...

B - Operations, Transporting

01

J

B01J 20/28 (2006.01) B01J 20/32 (2006.01) C07K 16/06 (2006.01) C12N 11/08 (2006.01) G01N 33/543 (2006.01) G01N 30/48 (1990.01)

Patent

CA 2114732

2114732 9306925 PCTABS00021 A composite article is provided having covalently reactive particles incorporated in a continuous, porous matrix. The reactive particles have surfaces of covalently reactive functional groups capable of directly forming covalent chemical bonds with ligands without need for an intermediate activation step. An adduct composite article is also provided comprising a continuous, porous matrix and derivatized particles dispersed therein. The derivatized particles comprise a direct, covalent reaction product of ligand with the covalently reactive particles. Methods of making and using the composite articles and adduct composite articles are also provided. Preferred covalently reactive functional groups are azlactone-functional groups of formula (I), wherein R1 and R2 independently can be an alkyl group having 1 to 14 carbon atoms, a cycloalkyl group having 3 to 14 carbon atoms, an aryl group having 5 to 12 ring atoms, an arenyl group having 6 to 26 carbon and 0 to 3 S, N, and nonperoxidic O heteroatoms, or R1 and R2 taken together with the carbon to which they are joined can form a carbocyclic ring containing 4 to 12 ring atoms, and n is an integer 0 or 1.

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