Dr. Ouyang Gangfeng is currently working as Professor at School of Chemistry and Chemical Engineering, Sun Yat-sen University, and Director of Research Center for Micro Extraction and Separation Technology. He obtained his PhD in Physical Chemistry from same University in 1999. He also worked as Research Associate/ Lecturer/ Associate Professor at Sun Yat-sen University, Postdoctoral Fellow and Visiting Scientist at University of Waterloo, Canada. He is member of editor board in journals. He is also serving as reviewer in number of journals. His research is mainly focusing on Environmental Analytical Chemistry, the Fundamental Study and the Applications of Micro-extraction Technology, including On-Site Sampling Technology, in Vivo Sampling and Quantization, Calibration Techniques of Micro-extraction and new SPME Probes based on Nano and Porous Materials. He has published more than 100 papers in different refereed journals and author of 3 books, and editor of 1 book.