1. Departments of Surgery and Biomedical Engineering, Emory University School of Medicine and Georgia Institute of Technology, Atlanta, Georgia 30332; School of Polymer, Textile, and Fiber Engineering, Georgia Institute of Technology, Atlanta, Georgia 30322; Department of Chemistry, Emory University, Atlanta, Georgia 30332; Integrated Microscopy & Microanalytical Facility, Emory University, Atlanta, Georgia 30332; and School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta,...