At HTC-18 in Leuven, Executive Editor of LCGC International, Alasdair Matheson, spoke to Leon Barron from Imperial College London about his innovative research focusing on modern chromatographic techniques for analyzing contaminants of emerging concern in drinking water.
Dr. Leon Barron leads the Emerging Chemical Contaminants team within the Environmental Research Group at Imperial College London. His research focuses on the sources, risks, threats, and impacts of toxic chemical mixtures on environmental and public health. In particular, his analytical work focusses on rapid method development using liquid chromatography–mass spectrometry (LC–MS) and gas chromatography–MS (GC–MS) for large-scale application to contaminants of emerging concern, including pharmaceuticals, illicit drugs, pesticides, persistent organic chemicals (including PFAS), among others, in air, water, soil and biota. He has particular expertise in water profiling, including large-scale identification and monitoring of wastewater for community health markers in near real time and identifying sources of chemical pollution in the environment. He is a Fellow of the Royal Society of Chemistry (RSC), the Chartered Society of Forensic Sciences and the Higher Education Academy. Among several committee positions held, he was elected to the RSC Analytical Science Community Council in 2019 to promote the chemical sciences in environmental pollution and health fields.
In the below video interview, Leon discusses the following topics:
Analytical Challenges in Measuring Migration from Food Contact Materials
November 2nd 2015Food contact materials contain low molecular weight additives and processing aids which can migrate into foods leading to trace levels of contamination. Food safety is ensured through regulations, comprising compositional controls and migration limits, which present a significant analytical challenge to the food industry to ensure compliance and demonstrate due diligence. Of the various analytical approaches, LC-MS/MS has proved to be an essential tool in monitoring migration of target compounds into foods, and more sophisticated approaches such as LC-high resolution MS (Orbitrap) are being increasingly used for untargeted analysis to monitor non-intentionally added substances. This podcast will provide an overview to this area, illustrated with various applications showing current approaches being employed.
New Study Uses MSPE with GC–MS to Analyze PFCAs in Water
January 20th 2025Scientists from the China University of Sciences combined magnetic solid-phase extraction (MSPE) with gas chromatography–mass spectrometry (GC–MS) to analyze perfluoro carboxylic acids (PFCAs) in different water environments.