SYNTHESIS, CHARACTERIZATION, AND SELF-ASSEMBLY OF PORPHYRINS CONJUGATED TO SUPERPARAMAGNETIC COLLOIDAL PARTICLES FOR ENHANCED PHOTODYNAMIC THERAPY A Dissertation Submitted to the Graduate Faculty of the Louisiana State University and Agricultural and Mechanical College in partial fulfillment of the requirements for the degree of Doctor of Philosophy in The Department of Chemistry by Javoris Hollingsworth B.S., Georgia Southern University, May 2007 M.S., Louisiana State University, August 2009 December 2012