1. The Wallace
H. Coulter Department
of Biomedical Engineering, School of Chemistry and Biochemistry, and
School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United
States
2. Education Ministry
Key Laboratory
on Luminescence and Real-Time Analysis, College of Chemistry and Chemical
Engineering, Southwest University, Chongqing
400715, People’s Republic of China
3. Department of Physics, Arizona State University, Tempe, Arizona 85287, United
States