1. Contact Activation of Factor XII by Biomaterial Surfaces Open Access Author: Yeh, Chyi-huey Joshua Title: Contact Activation of Factor XII by Biomaterial Surfaces Area of Honors: Materials Science and Engineering Keywords: Contact activationblood coagulationblood factor XIIHageman factorplasma assaychromogenic assayion-exchange resins File: Download FD_v1.0.pdf Thesis Supervisors: Erwin A Vogler, Thesis SupervisorEvangelos Manias, Thesis Honors Advisor