1. Department of Physical Chemistry
2. College of Pharmacy
3. Guangdong Pharmaceutical University
4. Guangzhou 510006
5. PR China
6. Department of Cardiothoracic Surgery
7. Affiliated Second Hospital of Guangzhou Medical University
8. Guangzhou 510260
9. School of Chemistry and Chemical Engineering
10. Sun Yat-Sen University
11. Guangzhou 510275