1. Guangzhou
Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, P. R .China
2. Key
Laboratory of Cellulose Lignocellulosics Chemistry, Chinese Academy of Sciences, Guangzhou 510650, P. R .China
3. Department
of Radiology, the Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai 519000, China
4. Department
of Chemistry, Queen’s University, 90 Bader Lane, Kingston, Ontario, Canada K7L 3N6