| abstract |
(57) [Summary]nAn antimicrobial polymer having a covalently linked chromophore marker. The antimicrobial polymer is preferably a cationic antimicrobial polymer, especially poly (hexamethylene biguanide). Also claimed are compositions comprising an antimicrobial polymer, methods for treating a medium using the antimicrobial polymer, and methods for detecting the antimicrobial polymer in the medium. |