Dr. Giaan Arturo Álvarez Romero is a graduate of Universidad Autónoma Metropolitana campus Iztapalapa and is currently a professor-researcher at Universidad Autónoma del Estado de Hidalgo. His research work has focused on the development of electroanalytical methodologies for the determination of chemical species of food, as well as clinical and environmental interests. In addition, he has specialized in the characterization of polymeric and coordination materials for the modification of working electrodes in the development of electrochemical sensors.