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Photo/pH dual‐responsive amphiphilic diblock copolymers with alkyne functionalized pendant o‐nitrobenzyl ester group are synthesized using poly(ethylene glycol) as a macroinitiator. The pendant alkynes are functionalized as aldehyde groups by the azide‐alkyne Huisgen cycloaddition. The anticancer drug doxorubicin (DOX) molecules are then covalently conjugated through acid‐sensitive Schiff‐base linkage...
In order to develop efficient and nontoxic gene delivery vectors, a series of biocompatible block copolymers, poly[(2‐hydroxyethyl methacrylate)40‐block‐(L‐lysine)n] (n = 40, 80, 120, 150), are prepared by combining an atom transfer radical polymerization of 2‐hydroxyethyl methacrylate with a ring‐opening polymerization of Nϵ‐(carbobenzoxy)‐L‐lysine N‐carboxyanhydride. The block copolymers are successfully...
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