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Secondment at Aristotle University of Thessaloniki

By Eirini Andreasidou

For my first FoodTraNet secondment, I moved to Thessaloniki, Greece, from March to May 2024. During my stay in Thessaloniki, I had the opportunity to work at Aristotle University of Thessaloniki, a FoodTraNet partner, where I joined the Environmental Pollution Control Laboratory and the ENVMS Group led by Prof. Dr Dimitra Lambropoulou. During my secondment, I was able to analyse over 200 tomato and wastewater samples with High Resolution Mass Spectrometry (Orbitrap), which were collected as part of my PhD experiment. Before my secondments, I completed more than two years of research in my hosting institution, Jozef Stefan Institute, under the supervision of Prof. Dr. Ester Heath.


Through the collaboration with Prof. Lambropoulou and Lida Koronaiou, we applied different non-target and suspect screening workflows to evaluate the presence of unknown contaminants, metabolites and transformation products in tomato samples, irrigated under various conditions, including potable water, treated wastewater, or amended with sludge.

We evaluated the presence of unknown contaminants, metabolites and transformation products in tomato samples.

Returning to my hometown as a visiting early-stage researcher, gave me a different perspective, not only towards work but generally for life. I would like to express my appreciation to all the laboratory members for their support and guidance through my two-month stay, but most of all for the great work environment, many thanks to Lida, Kakia, Stella, Vasilis, Dimitris, Periklis, Nina and Niki. After all, work-life feels better when you can eat Greek food every day.

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