Alexandra I. Costa received a Lic. in Industrial Chemical Engineering at Instituto Superior de Engenharia de Lisboa, a M.Sc. in Technological Organic Chemistry at Faculty of Science and Technology of New University of Lisbon and a Ph.D. in Chemistry at Instituto Superior Técnico of Technical University of Lisbon, in 2010. She is an Adjunct Professor in Chemical Engineering Department at ISEL where she teaches curricular units of Organic and Inorganic Chemistry Section and participated as a trainer in the Training Course for Chemical Analysts from the Project 9ºW - Hovione. She is currently President of Center of Chemical Engineering Studies at ISEL, Head of Organic Laboratory and pHarmaLab Laboratory of Chemical Engineering Department at ISEL and integrated member of the Chemistry Center at the University of Trás-os-Montes e Alto Douro. Her main interests and research activities are focused on Supramolecular Chemistry, particularly the synthesis of chemical fluorescent sensors containing calixarenes, and is also dedicated to the use of renewable natural resources for the sustainable synthesis of carbon nanomaterials (carbon-dots), their characterization and application as sensors for biological materials, catalysts, and bioimaging tools. She is co-author of 25 scientific articles, published in international journals with referee, 3 patents, 12 proceedings in conferences and about 100 painel communications presented in international and nacional scientific meetings.