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Prof Castillo is Emeritus Full Professor in the Analytical Chemistry Department and member of the Environmental Science Institute of the University of Zaragoza.He got the BSC (1970) and the PhD (1974) degree chemistry with doctorate award.

He was Assistant (1972-74), Associated (1974-82), and full professor since 1982 in the University of Zaragoza. He is involved in Analytical Chemistry teaching from 1972.

Prof Castillo was visiting researcher and professor in Southampton University (UK) 1979, Cincinnati University (USA) 2001-02, and Lawrence Berkeley National Laboratory (USA) 2004-05.

He founded the Environmental Science Institute (IUCA) of the University of Zaragoza in 2008 and headed it until his retirement date in September 2016, being named Emeritus Full Professor. He was also head of the research group in Analytical Spectroscopy and Sensors from 1982 to 2016.

He is author or coauthor of more than 320 papers indexed in the JCR of the WOS, 4 books and 5 chapters.

Prof Castillo has coordinated 26 national projects, 3 European projects, as well as 34 contracts with private companies. He was supervisor of 40 PhD and has presented more than 600 contributions and lectures in domestic and international conferences.

His main research topics are listed in this web site, and they are mainly new Analytical Techniques and Methods in Environmental Nanoscience and Nanotechnology (Nanometrology) and Electrochemical Biosensors.

Prof. JR Castillo is an experienced sailor and skier, and he is an unconditional supporter of the Real Madrid football team.

Eduardo Bolea obtained his PhD degree in 2002 from University of Zaragoza (Spain). After graduating he joined the staff as a Lecturer (associated professor) in Analytical Chemistry at the same University, enjoying different post-doctoral stays at the National Research Council of Canada\, Ghent University (Belgium) and the Forschungszentrum Karlsruhe (Germany). Since 2010 he is professor in the Analytical Chemistry Department at the University of Zaragoza.

His research interest is the Environmental Analytical Nanometrology, which involves the characterization, identification and quantification of both natural particles and antropogenic nanomaterials in complex systems. Special attention is devoted to the determination of metal-based nanoparticles present in consumer products and their identification and characterization in different media of environmental interest by Asymmetric Flow Field-Flow Fractionation (AsFlFFF) coupled to ICP-MS. Also the study of natural colloids as nanovectors of contaminants in natural systems is another area of research.

Josefina Pérez-Arantegui is senior lecturer in the Department of Analytical Chemistry of the University of Zaragoza (Spain). She received her Ph.D. in Analytical Chemistry from the University of Zaragoza in 1991.

She did her post-doctoral research at the «Centre de Recherche et de Restauration des Musées de France» (Louvre Museum, Paris, France). Her research interests are in Art and Archaeological Chemistry, especially in Analytical Chemistry in ancient inorganic materials (ceramic, glass, glaze, metal and pigments) and in the application of new analytical methods.

In the last years, she has also extended her research field to the development of analytical methods in organic materials (especially oils and resins) in Art and Archaeology. Her articles have appeared in the Journal of the American Ceramic Society, Trends in Analytical Chemistry, Analytical and Bioanalytical Chemistry and various journals related to analytical chemistry in cultural heritage, archaeometry and archaeological sciences. She has also authored several book chapters and two articles in the Encyclopaedia of Analytical Science and in the Encyclopaedia of Archaeology.

Isabel Abad Álvaro studied her Bachelor’s and Master’s Degrees in Chemistry at the University of Zaragoza (Spain). She obtained her PhD in Analytical Science on Chemistry at the University of Zaragoza in September 2017 with Cum Laude and “European Doctorate” Mentions, under the supervision of Prof Francisco Laborda and Dr Eduardo Bolea Morales. In her PhD Thesis she worked on the development of a platform of analytical methods for the analysis of nanomaterials in environmental and biological systems based on the use of inductively coupled plasma mass spectrometry (ICP-MS), both in single particle mode (SP-ICP-MS) and coupled to asymmetrical field flow fractionation (AF4). During this period, she carried out two research secondments, one of them at the University of Santiago de Compostela (Spain) at the group of Prof Pilar Bermejo Barrera and the other one at Laboratoire de Chimie Analytique, Bioinorganique et Environnementale at Pau (France) with Prof Joanna Szpunar.

In July 2018, Dr Isabel Abad Álvaro joined the renowned international research centre UK’s National Measurement Laboratory for chemical and bio-measurement (NML) in LGC (Teddington, United Kingdom), where she held a permanent position as Researcher in the Inorganic Analysis Team led by the Science Fellow Heidi Goenaga-Infante. Her work here was mainly focused on the area of Nanometrology, being strongly involved in the development of multi-modal approaches (e.g. single particle-ICP-MS, AF4, TEM, PTA, MADLS) for the characterisation of nanomaterials in complex samples and their application to solve problems in advanced manufacturing and healthcare. Some of this work was performed in collaboration with scientists across multiple disciplines and from key academic groups and national measurement institutes worldwide. Likewise, she played a major role on the development of reference methods and nanomaterials for quality control and product innovation, as well as helping the industry to comply with existing regulation in the areas of Nanoscience and Nanomedicine, Food Safety and Environmental Control and Protection. She also contributed to the drafting of an ISO Technical report (ISO/TR) and an ISO Technical Specification (ISO/TS) on the use of SP-ICP-MS for the determination of nanoparticle number concentration.

Since January 2022, she occupies a postdoctoral position in the Department of Analytical Chemistry of the University of Zaragoza, within the framework of grants for the requalification of the Spanish university system, modality María Zambrano for the attraction of international talent.

Ana Cris Gimenez is graduated in Chemistry (2016) by the University of Zaragoza. She studied the Master “Nanotecnología Medioambiental” (2017) in the University of Zaragoza. Now she is PhD student in GEAS since 2018. In this year, she received a predoctoral fellowship from the Diputación General de Aragón. Her research is “Nanomateriales a base de plata como bactericidas para el control de la resistencia a antimicrobianos: papel de las especies de plata”.

Mariam Bakir is graduated in Chemistry by the University of Zaragoza. She studied the Master “Química Aplicada y Farmacología” in the University Jaume I (Castellon). Now she is PhD student in GEAS since 2019. Her research is “Nanomateriales base plata como aditivos en alimentación animal: métodos analíticos para el estudio de su bioacumulación, transformaciones e impacto medioambiental”.