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Hydrolysis of the PLGA–PDXO MBC film in PBS (pH = 7.4). Mw = 129,000, Mw/Mn = 2.03. The degrees of polymerization of PDXO, l-lactide, and glycolide segments are 25, 24, and 3, respectively. Open plots represent the contact angle, and close plots represent the residual weight.
