i FORMULATION AND DELIVERY OF DRUGS FOR MACULAR EDEMA AND RETINOBLASTOMA; SYNTHESIS AND IN VITRO CHARACTERIZATION OF DOXORUBICIN LOADED SURFACE MODIFIED NANOPARTICLES USING PLGA-PEG-FOL POLYMER A DISSERTATION IN Pharmaceutical Science and Chemistry Presented to the faculty of the University of Missouri-Kansas City in partial fulfillment of the requirements for the degree DOCTOR OF PHILOSOPHY by SAI HANUMAN SAGAR BODDU, M. Pharm. University of Pune, 2005 Kansas City, Missouri 2010