Optimization of GC/MS Using Hydrogen Gas as a Mobile Phase and Database Assembly for Metabolomics

March 5, 2026BUNSEKI KAGAKUOpen Access

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Key Points

Investigate the use of hydrogen gas as a mobile phase in gas chromatography mass spectrometry to enhance sensitivity and separation.
Develop hydrogen-based gas chromatography conditions using a 0.18 mm diameter column and retention gap.
Compare retention index and mass spectra with traditional helium configurations.
Evaluate the sensitivity of the methods for over 590 metabolites in a metabolomics database.
Achieved significant changes in retention index and mass spectra with hydrogen as the mobile phase.
Increased sensitivity was noted when using hydrogen, compared to helium configurations.
Established a comprehensive database of over 590 metabolites for metabolomics analysis.

Optimizes gas chromatography mass spectrometry with hydrogen as the mobile phase, suggesting improved analysis for metabolomics.

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Miyagawa et al. (2026) studied this question.

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