The Analytical Scientist / Issues / 2026 / October / GC×GC Detective Stories: Biomarkers, Biofuels, and Shape-Shifting Molecules
Chromatography Environmental Pharma and Biopharma Gas Chromatography Petrochem

GC×GC Detective Stories: Biomarkers, Biofuels, and Shape-Shifting Molecules

Philip Marriott, Renée Webster, and Konstantinos Kouremenos revisit three investigations in which an additional dimension of separation provided the information needed to solve three very different analytical mysteries

By James Strachan, Frank van Geel 10/01/2026 11 min read

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About the Author(s)

James Strachan

Over the course of my Biomedical Sciences degree it dawned on me that my goal of becoming a scientist didn’t quite mesh with my lack of affinity for lab work. Thinking on my decision to pursue biology rather than English at age 15 – despite an aptitude for the latter – I realized that science writing was a way to combine what I loved with what I was good at. From there I set out to gather as much freelancing experience as I could, spending 2 years developing scientific content for International Innovation, before completing an MSc in Science Communication. After gaining invaluable experience in supporting the communications efforts of CERN and IN-PART, I joined Texere – where I am focused on producing consistently engaging, cutting-edge and innovative content for our specialist audiences around the world.

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Frank van Geel

Frank van Geel is owner of educational website Chromedia and Scientific Director of The Analytical Scientist. He studied analytical chemistry, specialized in mass spectrometry in the Netherlands and did several years of post-doc work in spectroscopy with Jim Winefordner at the University of Florida in the US. Then he became a science teacher and later publisher in chemistry and physics related topics. He developed numerous publications in chemistry and other sciences. He strongly supports the mission: Building online communities is the road to take. We need to strengthen the quality of analytical chemistry and we need to strengthen our community by sharing know-how and by sharing our opinions, visions and our views of the future of analytical science.

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