tBOC-PEG3500-NH2·HCl and mPEG3000-NH2·HCl were ordered from JenKem Technology USA, Inc. (Allen, TX). Acid-terminated PLGA (lactide/glycolide (50:50)) was purchased from DURECT Corporation (Pelham, AL). Cisplatin was purchased from Acros Organics (Fair Lawn, NJ). RAPA was purchased from ChemieTek (Indianapolis, IN). Hexanol, Triton X-100, cyclohexane, p-anisic acid, 1-ethyl-3-(3-(dimethylamino)propyl)carbodiimide (EDC), N-hydroxysuccinimide (NHS), and N,N-diisopropylethylamine (DIPEA) were obtained from Sigma-Aldrich (St. Louis, MO). DOPA was purchased from Avanti Polar Lipids (Alabaster, AL). 3H-Labeled paclitaxel[o-benzamido-3H(N)] and 14C-labeled stearic acid were purchased from Moravek Biochemicals and Radiochemicals (Brea, CA).