Shakeel Ahmed is a Research Fellow at Bio+Polymers Research Laboratory, Department of Chemistry, Jamia Millia Islamia, New Delhi. He obtained his PhD in the area of biopolymers and bionanocomposites. He has published several research publications in the area of green nanomaterials and biopolymers for various applications including biomedical, packaging, sensors, and water treatment. He is an associate member of the Royal Society of Chemistry (RSC), UK and life member of the Asian Polymer Association and Society of Materials Chemistry. Chaudhery Mustansar Hussain, is an Adjunct Professor, an Academic Advisor and Director of Laboratories in the Department of Chemistry & Environmental Sciences at the New Jersey Institute of Technology (NJIT), Newark, New Jersey, USA. Dr. Hussain is the author of numerous papers in peer-reviewed journals as well as a prolific author and editor of several scientific monographs and handbooks in his research areas.