1. School of Chemistry and Chemical Engineering, Jiangsu University, Xuefu Rd. 301, Zhenjiang 212013, China
2. School of the Environment, Jiangsu University, Xuefu Rd. 301, Zhenjiang 212013 Jiangsu, China
3. Department of Biochemistry, Faculty of Biological Sciences & Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria