Exploring the limits of bacterial identification by intact cell-mass spectrometry.

Abstract excerpt

The limits of intact cell-mass spectrometry (ICM-MS) were tested with regard to the minimum number of bacterial cells detectable and its power to discriminate mixed-bacterial cultures. The technique is a surface analysis tool, as is supported by evidence showing that mass fingerprints correspond to material desorbed directly from the cell wall. The brief exposure to solvents, which occurs during sample...

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