Ankan Dutta Chowdhury is Associate Professor of Nanotechnology at Amity Institute of Biotechnology, Kolkata, India. He earned his PhD in Chemical Sciences from Saha Institute of Nuclear Physics, Kolkata, in 2015. He spent six years doing postdoctoral work at National Chiao Tung University, Taiwan, and Shizuoka University, Japan, where he spent two years as an assistant professor and supervised several master’s and PhD students. His research interests include nanomaterials, biosensors, bioimaging, and drug delivery.Ruey‑An Doong earned his PhD in Environmental Engineering from National Taiwan University, Taiwan, in 1992. He is currently the Chair Professor at the Institute of Analytical and Environmental Sciences, National Tsing Hua University (NTHU), Taiwan. He is also the Dean of Tsing Hua International College. He is internationally known for his research in environmental nanotechnology, energy materials, and biosensors/nanosensing devices.