Y.S. Rajput?is the former Head of Division of Biochemistry, Head of Division of Dairy Chemistry, Emeritus Scientist, and other scientific positions at the National Dairy Research Institute in Karnal, India. With over 40 years of research and teaching experience, his research includes enzyme stabilization, enzyme-enzyme hetero-conjugates, milk quality assurance, sensors, nanotechnology, stem cells, aptamers, and molecularly imprinted polymers. Dr. Rajput has filed thirteen patents out of which ten have been granted, and several technologies based on enzyme applications have been commercialized.