Yen-Ping PENG received his Ph.D. from Institute of Environmental Engineering, National Sun Yat-Sen University, and he is now Associate Professor in Tunghai University. He won the Excellent Young Scholar from Ministry of Science and Technology, Taiwan. He has published SCI papers in journals like Nanotoxicology, Bioresource Technology and Journal of Hazardous Materials. His research interests include nanomaterial synthesis and nanomaterial characterization.