9:00 AM. 229. Injectable Alginate Hydrogels for Treatment of Hypoxic Ischemic Encephalopathy.Lindsay Gallagher1, Bailey Collins, B.S.1, Lauren Mottel, M.S.1, Jaclyn Schwarz, Ph.D.1, Brian Kwee, Ph.D.1, Elizabeth Wright-Jin, M.D., Ph.D.2 1University of Delaware, 2Nemours Children's Hospital