1. Department of Chemical Engineering, University of Michigan, Ann Arbor, Michigan 48109, School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China 214122, State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu Province, China 214122, and Departments of Materials Science and Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109