1. The Wallace H. Coulter Department
of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, United
States
2. UTC Power, South Windsor, Connecticut 06074, United States
3. Department of Materials Science
and Engineering, University of Texas at Dallas, Richardson, Texas 75080, United States
4. School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332,
United States
5. Department
of Nanobio Materials
and Electronics, World Class University, Gwangju Institute of Science and Technology, Gwangju 500-712, Republic
of Korea
6. School of Chemical and
Biomolecular
Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States