2:00 PM. 43. Photocatalytic and Antibacterial Performance of Mixed-Phase Titanium Oxides Formed by Different Surface Modification Techniques.Haden Johnson, PhD1, Parvin Fathi-Hafshejani, PhD2, Masoud Mahjouri-Samani, PhD2, Randall Williamson, PhD1, Mary Marquart, PhD1, Joel Bumgardner, PhD3, Amol Janorkar, PhD1, Michael Roach, PhD1 1University of Mississippi Medical Center, 2Auburn University, 3University of Memphis