MAMATA MUKHOPADHYAY, Ph.D., is Professor Adjunct, Chemical Engineering Department, Indian Institute of Technology Bombay. Earlier, she worked with the faculties of IIT Kanpur and IIT Delhi. She has more than 40 years of teaching experience at both the under-graduate and postgraduate levels in such areas as thermodynamics, cryogenic engineering, separation processes, and processing with supercritical fluids. She is credited with six patents and has published more than 170 research articles in reputed international journals and symposia proceedings. She is the author of Natural Extracts Using Supercritical Carbon Dioxide.