1. Hunan Key Laboratory of Biomedical Nanomaterials and Devices
2. College of Life Science and Chemistry
3. Hunan University of Technology
4. Zhuzhou 412007
5. China
6. Department of Chemical & Biomolecular Engineering
7. The University of Akron
8. Ohio 44325
9. USA
10. State Key Laboratory of Bioelectronics
11. School of Chemical Engineering