| http://www.w3.org/ns/prov#value | - fined in claim 2, wherein the hydrogel polymer comprises: wherein n is an integer of 2 to 3; R???, R??? and R?????? are independently selected from the group consisting of H,C1 to C16 alkyl, aryl, arylamine, alkylamine, alkaryl and aralkyl; X is selected from the group consisting of O and NH; and Y??? is an acceptable anionic counterion to the N+ of the quaternary amine. 11.
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