Alizar, S.Pd, M.Sc, Ph.D received his PhD degree in 2012 in the area of optical and electrochemical biosensor from the School of Chemical Sciences and Food Technology, Faculty of Science & Technology, Universiti Kebangsaan Malaysia under the supervision of Professor Dr. Lee Yook Heng and Professor Dr. Musa Ahmad. In year 2007, he received his master of science in chemical science (chemical sensor) from Universiti Kebangsaan Malaysia. After completing his PhD, he worked as a postdoctoral researcher at the Universiti Kebangsaan Malaysia. from 2014 until now he has joined the chemistry department of FMIPA Universitas Negeri Padang as a senior lecturer