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(a) Phase diagrams of PCGA-PEG-PCGA and PLGA-PEG-PLGA triblock copolymers in PBS (pH 7.4). (b) Storage modulus G′ and loss modulus G″ of the indicated samples in PBS (pH 7.4, 25 wt%) as a function of temperature. Heating rates: 0.5 °C/min, oscillatory frequency: 10 rad/s.
