Professor Arun Chattopadhyay is a professor in the Department of Chemistry at IIT Guwahati. Previously he has served as Head, Department of Chemistry and Head, Centre for Nanotechnology at IIT Guwahati. His research areas encompass Nanomaterials Synthesis, Composites, Nanobiotechnology, Chemical Locomotion, Quantum Dots and Chemical Reaction of Nanoparticles, among others. He along with his team is widely known for the development of simple, quick, point-of-care test for detecting excess bilirubin in patients. He is a fellow of the Royal Society of Chemistry and the Indian Academy of Sciences and recipient of Young Career Award in Nano Science and Technology in 2013 and Materials Research Society of India Medal – 2008.