1. Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
2. Department of Biomedical Engineering, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
3. Key Laboratory of Molecular Biophysics of Hebei Province, Institute of Biophysics, School of Sciences, Hebei University of Technology, Tianjin 300401, P. R. China
4. Laboratory for Multiscale Imaging, Stevens Institute of Technology, Hoboken, New Jersey 07030, United States
5. Department of Biomaterials, Key Laboratory of Biomedical Engineering of Fujian Province, State Key Lab of Physical Chemistry of Solid Surface, College of Materials, Xiamen University, Xiamen, Fujian 361005, P. R. China
6. Department of Biomedical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, P. R. China