Drug delivery is defined as the development of technology that enables the safe transportation of drugs to various parts of the human body. The route of administration of a drug facilitates its absorption and distribution throughout the body. This book elucidates the concepts and innovation models around prospective developments with respect to drug delivery. It elucidates new techniques and applications in a multidisciplinary approach. This book will be helpful for researchers and students in the field of biochemistry, pharmaceuticals, and medicinal chemistry.