The recent developments in the field of nanotechnology and nanomaterials has brought massive shift in various engineering and scientific disciplines. This book includes diverse topics related to the field of nanotechnology such as diagnosis and drug delivery, nanosensors, water treatment, nanoelectronics and nanodevices. It also includes chapters on crucial aspects of nanotechnology and nanoscience like properties and synthesis of nanomaterials, structure of nanodevices, modeling and simulation of different nanostructures, etc. A number of latest studies and examples have been included to keep the readers up-to-date with the significant concepts in this area of study.