Yong Shin Kim received his PhD in chemistry from Korea Advanced Institute of Science and Technology (KAIST) in 1997. After his degree, he worked as a senior research member at Electronics and Telecommunications Research Institute (ETRI) in South Korea for developing flat panel display devices and miniaturized electronic nose systems. Since 2007, he has been employed at Hanyang University in South Korea as a professor. Now his research activities are focused on the development of chemical sensors and paper-based fluidic devices by the aid of novel concept, new fabrication techniques, and smart nanomaterials.