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Updated: Aug 10, 2026

Fast Enzymatic Processing of Proteins for MS Detection with a Flow-through Microreactor
Published on: April 6, 2016
Interfacing microbore and capillary liquid chromatography to continuous-flow fast atom bombardment mass spectrometry
J E Coutant1, T M Chen, B L Ackermann
1Merrell Dow Research Institute, Cincinnati, OH 45215-6300.
Abstract:
This work describes a system to interface either microbore or packed capillary gradient liquid chromatography (LC) to fast atom bombardment mass spectrometry (FAB-MS). The interface incorporates on-line ultraviolet detection and post-column matrix addition to enable independent optimization of both LC and FAB-MS. The glycopeptide antibiotic teicoplanin was chosen as a model system because this group of compounds places severe demands on the chromatographic separation and is difficult to analyze by FAB-MS. For both microbore and capillary LC, high-quality mass spectra of the major components in teicoplanin were obtained; however, the increased sensitivity of the capillary system allowed spectra to be obtained at low picomole concentrations. The sensitivity and ease of use make capillary LC the preferred system for use in LC-FAB-MS.
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