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Australian researchers set out to determine the chemical composition of anabolic–androgenic steroid (AAS) sold there, specifically to determine the presence and purity of active ingredients and evaluate the presence of cutting agents, residues, or heavy metals. Gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) were among the techniques used in their study.

LCGC International spoke to Dave Abramowitz, from the unified product management and product ownership team for chromatography and mass spectrometry software at Thermo Fisher Scientific, about the advantages, challenges, and future potential of AI in chromatography, highlighting how scientists can begin adopting AI-driven tools to improve accuracy, efficiency, and discovery.

Splash fluid. 3d illustration, 3d rendering. | Image Credit: © Pierell - stock.adobe.com.

Petroleum contamination from leaking underground storage tanks, for example, is a significant concern for both the environment and human health. Thorough characterization of the contamination is required to form appropriate risk assessments and remediation strategies, but until now, the determination of total petroleum hydrocarbons (TPHs) in soil has typically involved a convoluted and labour-intensive process. In this article, the analysis of TPH in environmental media is simplified using flow-modulated GC×GC–FID with quantitation based on pre-defined compound groupings. This approach overcomes the drawbacks of conventional solvent fractionation approaches, by eliminating the need for sample fractionation and automating data processing workflows.

A joint study between York University and the University of Tehran evaluated conventional analytical methods, such as gas chromatography (GC), high-performance liquid chromatography (HPLC), and mass spectrometry (MS), as well as other emerging portable PAH detection technologies in hopes of significantly improving the health and safety of firefighters by reducing their long-term risks of cancer.

Researchers employed reflectance spectrometric analysis to quantify species-specific plumage coloration, and high performance liquid chromatography (HPLC) to elucidate the feather carotenoids of South Asian flameback woodpeckers to assess their pigment chemistries and genomic underpinnings.

This week, LCGC International published a variety of articles on hot topics in separation science. Some of the articles included in this week’s update explore topics such as the metabolic risk in horses, the bioactivities in chili pepper varieties, and a report on the analytical instrument market for Q2 2025. Below, we’ve highlighted some of the most popular articles that were published this week.