All other scientific disciplines, including chemistry, biology, physics, materials science, and engineering, can benefit from nanoscience and nanotechnology, which involve the study and utilization of incredibly small objects. This book presents the concept of Nano technology and its wide application in medicine. The chapters in this manual have been arranged in such a way as to provide a sequential understanding of the fundamental concepts in Nano technology and its medical application, Targeted Drug Delivery, Fundamentals of Nanobiosensors and Application of Nanomaterials in Nanopharmacology. Apart from these, this book also contains some advanced topics like Applications of Nanomaterials in Nanomedical Devices, Nanotechnology in Tissue Engineering and Gene therapy. Readers from a variety of backgrounds, such as researchers, professors, students, and biological scientists, will find this book to be equally helpful. Additionally, this book can help readers with backgrounds in other fields understand the basics of Nanotechnology and its various application.