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.

• 1. Introduction.- 2. Fundamentals of Photoluminescent Materials.- 3. Biocompatible Materials for Light Emitters.- 4. Targeted Drug Delivery with Photoluminescent Emitters.- 5. Photoluminescence for Biosensing and Diagnostics.

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.

• 1. Introduction.- 2. Fundamentals of Photoluminescent Materials.- 3. Biocompatible Materials for Light Emitters.- 4. Targeted Drug Delivery with Photoluminescent Emitters.- 5. Photoluminescence for Biosensing and Diagnostics.