Abstract 79: Optimizing Vascular Invasion into Hydrogel Scaffolds Using Bioactive Sphingolipids. Issue 4 (April 2017) - Abadeer, Andrew I.; Gold, Brandon; Jin, Julia; Dong, Xue; Delgorio, Peyton; Kaymakcalan, Omer; Karinja, Sarah; Bernstein, Jaime; Weinreb, Ross; Spector, Jason