1. Department of Chemical Engineering, University of Florida, Gainesville, Florida 32611
2. Department of Restorative Dental Sciences, University of Florida, Gainesville, Florida 32610
3. Department of Electrical and Computer Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
4. Department of Pathology, Immunology and Laboratory Medicine, University of Florida, Gainesville, Florida 32611
5. Department of Electrical and Computer Engineering, University of Florida, Gainesville, Florida 32611
6. Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611