Scheme 1From: pH-Sensitive Micelles Based on Double-Hydrophilic Poly(methylacrylic acid)-Poly(ethylene glycol)-Poly(methylacrylic acid) Triblock CopolymerThe chemical structure of double-hydrophilic triblock copolymer PMAA-b-PEG-b-PMAA and mechanism for the formation of micellesBack to article page