ArticleAnalytical and bioanalytical chemistry2025
Quantitation of antibiotics in fresh fermentation medium by hydrophilic interaction chromatography mass spectrometry.
Article in Analytical and bioanalytical chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
This study presents the development of a sophisticated liquid chromatography-mass spectrometry approach leveraging hydrophilic interaction chromatography (HILIC) for the quantification of kanamycin and spectinomycin in fermentation media. The method was validated per International Council for Harmonisation guidelines, demonstrating robust linearity, precision, and accuracy. To mitigate pronounced matrix effects common to complex fermentation matrices, sample preparation was thoroughly optimized with solid-phase extraction employing MCX sorbent, thereby enhancing recovery rates and minimizing analytical interference. The validated protocol demonstrated high correlation coefficients (R > 0.998), underscoring its robustness and reliability for the accurate quantification of antibiotics in challenging bioprocess environments, providing a valuable analytical tool for bioreactor system monitoring.
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