9:45 AM. 363. Combatting MRSA: A Degradable Thiol-ene Platform for pH-Activated Release of Doxycycline.Chipo Chapusha1, Nicholas McGowan1, Paige Smith1, Anthony Hasley1, Mary Carr1, Mary Marquart, PhD1, Jared Cobb2, Amol Janorkar, PhD1 1University of Mississippi Medical Center, 2US Army Corps of Engineers