Marcelo Martins Werneck received the Degree in electronic engineering from the Pontifícia Universidade Católica of Rio de Janeiro, in 1975 and his M.Sc. degree from the Biomedical Engineering Program, Federal University of Rio de Janeiro (UFRJ), in 1977. His Ph.D. degree was obtained from the University of Sussex, Brighton, U.K., in 1985.

He is the Coordinator of the Instrumentation and Photonics Laboratory at the Electrical Engineering Program, UFRJ. His research interests include fiber optics sensors, nanobiosensors, transducers and instrumentation. Regina Célia da Silva Barros Allil received her BSc Degree in electronic engineering from the Faculdade Nuno Lisboa, Rio de Janeiro, in 1988, and the M.Sc. degree from the Biomedical Engineering Program, Federal University of Rio de Janeiro (UFRJ), in 2004. Her D.Sc. degree was obtained from the Electrical Engineering Program (UFRJ), in 2010 and the post-doctorate from the Electrical Engineering Program (UFRJ), in 2012.

Actually, she is a Visiting Professor of the Instrumentation and Photonics Laboratory, Electrical Engineering Program, UFRJ. Her research interest lies in fiber optics sensors, optoelectronic instrumentation and biosensors.