240 Presentation of DLL4 and VCAM on paramagnetic beads replicates thymic Notch signaling and enables differentiation of functional of iPSC derived TCR T-cells in vitro by Chris Bond, Valerie Wall, Siddarth Chandrasekaran, Melanie Kardel, Elisa Martinez, Nabil Zeidan, Avisek Deyati, Dylan Lee, Negin Farahani, Amanda AuYeung, Omar Subedar, Michael Cadell, Sommer Apelu, Laura Prochazka, Zahra Sahaf, Angela Duong, Cole Zmurchok, Boyoung Yoon, Dan Kirouac, Muluken Belew, Jasdeep Mann, Deepika Rajesh