National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [21645008, 21305042, 21375037]; Scientific Research Fund of Hunan Provincial Education DepartmentHunan Provincial Education Department [14B116]; Science and Technology DepartmentScience and Technology Development Fund (STDF)United States Agency for International Development (USAID)US-Egypt Science and Technology Joint Fund [14JJ4030]; Opening Fund of State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University [2013017]; Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education of China), Hunan Normal UniversityMinistry of Education, China [KLCBTCMR2011-08]; key laboratory of Jiangxi Province Persistent Pollutants Control and Resources Recycle [ST201422007]; Collaborative Innovation Center of New Chemical Technologies for Environmental Benignity and Efficient Resource Utilization; Aid Program for Science and Technology Innovative Research Team in Higher Educational Institutions of Hunan Province