This book provides a comprehensive guide to the development, testing, and medical applications of photoluminescent materials. It covers key material classes—such as quantum dots, organic fluorophores, and lanthanide-doped nanoparticles—and explores how their light emission properties can be tailored for medical use. Readers will find in-depth discussions on biocompatibility strategies, targeted drug delivery with light-triggered release mechanisms, in vivo imaging for real-time therapeutic monitoring, and advanced diagnostic techniques like biosensors and fluorescence assays. The book also delves into photoluminescence-based therapies, including antibacterial treatments, photoimmunotherapy, and cancer phototherapy, offering researchers and practitioners the tools to develop safe and effective next-generation medical technologies.

Nelson Oshogwue Etafo is a professor at the Carolina Universidad in Saltillo, Coahuila, Mexico with research expertise in photoluminescence and photocatalysis of phosphor materials and environmental remediation. He is a Ph.D graduate from the Universidad Autonoma de Coahuila, Saltillo, Coahuila, Mexico, and also earned his B.Sc. and M.Sc. degrees in chemistry and Industrial chemistry from the Federal University of Agriculture, Abeokuta, (FUNAAB) Nigeria. He has authored more than 20 research papers and attended 10 international and national conferences. He has won awards for his scholarly and teaching skills both in Nigeria and Mexico.