8:30 AM. 242. Injectable Tissue-Penetrating Hyaluronic Acid (iTP-HA) Hydrogel for In-Tissue Crosslinking and Multiscale Cartilage Protection.Tristan Pepper, Ph.D.1, Jay Patel, Ph.D.2, Christine Lee, Student3, Lauren Foster, Student4 1Georgia Institute of Technology and Emory University, 2Emory University, 3Georgia Tech, 4Emory