170 Microfluidics cell squeezing enables potent cellular vaccines in murine models through direct cytosolic loading and direct CD8 T cell priming by Katarina Blagovic, Armon Sharei, Howard Bernstein, Katherine Seidl, Defne Yarar, Scott Loughhead, Emrah Ozay, Matthew Booty, David Soto, Olivia Pryor, Adam Stockmann, Disha Subramanya, Kelly Volk