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. Rajan Sharma is a principal scientist at the Division of Dairy Chemistry at the National Dairy Research Institute in Karnal, India. With 25 years of research and teaching experience, his research includes enzyme based-rapid methods for ascertaining milk quality, indigenous milk enzymes, analytical methods applicable to dairy science, lateral flow assays, and aptamers. Dr. Sharma has filed sixteen patents out of which eleven have been granted.