1:45 PM. 50. Endothelialized Sacrificial Alginate Microfibers for Rapid Graft Microvascularization.Firaol Midekssa1, Maggie Jewett1, Elizabeth Stanely1, Kaylin Hanna1, Vanini Pimpalwar1, Brendon M. Baker, PhD2 1University of Michigan, 2UNIVERSITY OF MICHIGAN- ANN ARBOR