Hans Hahn

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About

Hans Hahn is a pioneering figure in bioanalytical chemistry, best known for advancing protein digestion techniques for mass spectrometry. His key research areas include proteomics, microwave-assisted sample preparation, and immobilized enzyme reactors. Hahn’s major contribution is the development of an ultrafast microwave-assisted in-tip digestion method, where trypsin is immobilized on glycidylmethacrylate-co-divinylbenzene (GMA/DVB) polymerized directly in pipette tips. This innovation enables online, rapid enzymatic digestion of proteins with minimal sample handling and low sample volumes—critical for high-throughput proteomics. His 2009 paper on this technique has garnered 44 citations, reflecting its impact on streamlining protein analysis workflows. By integrating microwave energy, Hahn dramatically reduced digestion times from hours to minutes, enhancing efficiency without compromising sensitivity. His work is particularly notable for its practical application: the in-tip format simplifies automation and reduces contamination risks, making advanced proteomic analysis accessible to more laboratories. Hahn’s contributions continue to influence the design of microreactors and sample preparation tools in modern bioanalysis.