The invention features polymers noncovalently complexed with a biologicallyactiveagent. The polymer complexes include a polymer having a formula:F T - LINK A [ - (oligo)a - (LINK A)b ]c - Td (Bio)e,where, F T is a polyfluoroorgano group； Bio is one or more biologically activeagentscomplexed to LINK A； each LINK A is, independently, an organic moietycomprising a complexing moiety which is complexed with said Bio； oligo is anoligomeric segment； T is a terminal group； a is 0 or 1； and b, c, d, and e areintegersgreater than 0. The invention further features admixtures of the polymercomplexes,shaped articles made therefrom, and methods of using the same.
