Patent ID: 8529928

Claim:
A polymer comprising repeating units — according to the following formula: wherein R 1 is any alkyl, cycloalkyl, heterocycloalkyl, aryl, heteroaryl, or heterocycle wherein R 1 is optionally substituted with one or more functional group(s) selected from the group consisting of halide, alcohol, ether, thioether, tertiary amine, ketone, ester, and amide; R 2 is any alkyl, cycloalkyl, aryl, or heteroaryl, wherein R 2 is optionally substituted with one or more functional group(s) selected from the group consisting of halide, alcohol, ether, thioether, tertiary amine, ketone, ester, and amide; R 3 is a biomolecule selected from the group consisting of dopamine, glutamate, aspartate, histamine, norepinephrine, serotonin, taurine, glycine, 4-aminobutyrate, and methionine enkephalin, wherein R 3 is bound to R 2 via an amine bond; and n is>1.