**About the Editors**

**Regina M. B. O. Duarte** is Principal Researcher at the Department of Chemistry and CESAM - Centre for Environmental and Marine Studies, at University of Aveiro (Portugal). She obtained a degree in Analytical Chemistry (1998), an MSc in Sciences of the Coastal Zone (2001), and a PhD in Chemistry (2006), all at the University of Aveiro. In 2018, Regina Duarte obtained a Fulbright Grant for Portuguese Scholars and Researchers (Advanced Research and University Lecturing Award in the United States) to develop research at Old Dominion University (Norfolk, VA, USA) in the application of advanced multidimensional analytical techniques for the molecular characterization of the complex organic air particles. Her research is focused on the development of new multidimensional analytical research strategies that are aimed at understanding the structural features of organic air particles. Her research interests also include the health effects of organic aerosols, as well as wet and dry deposition of organic aerosols. She has coordinated/participated in several multidisciplinary research projects related to the characterization of complex organic matrices from atmospheric particles. She has authored/co-authored more than 45 peer-reviewed publications.

**Armando C. Duarte** has been a Professor of Environmental & Analytical Chemistry at the University of Aveiro (Portugal) since 1995, leader of a research group on the same subject, lecturer on Analytical Quality Control subjects, and either supervising or co-supervising many PhD students, some of whom became members of staff, both as lecturers and researchers. Armando Duarte graduated in Chemical Engineering (1977) at the University of Oporto (Portugal) and obtained a PhD in Public Health Engineering (1981) at the University of Newcastle-upon-Tyne (United Kingdom). In 2006, The Portuguese Science and Technology Foundation (FCT) awarded him a prize for Scientific Excellence, and in 2013, he became a Member of the FCT Scientific Council for Natural and Environmental Sciences. His highly-interdisciplinary research spans areas of comprehensive environmental and analytical chemistry, qualimetrics, and analytical quality assurance, but also includes the assessment of the relevance of new concepts and integration of different ideas into widely accepted frameworks, especially when applied to sustainability. He has co-authored more than 470 peer-reviewed publications and edited several books.
