High Sensitivity in CID Mass Spectrometry, Structure Analysis of Pyrolysis Fragments

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Abstract
Collision Induced Dissociation (C ID),C ollisional Activation (CA), Pyrolysis, Mycobacterium, Mass Spectrometry An apparatus is described for Collision Induced Dissociation Mass Spectrometry, where es­ sential increase in sensitivity in the detection of the fragment spectrum is obtained by simultaneous detection. Decrease in resolution due to kinetic energy release on dissociation is prevented by post-acceleration of the fragment ions. The instrument was used to investigate the structure of the mass m/z= 59 com pound in the pyrolysis products of Mycobacterium cells. This mass is a key mass in the pyrolysis mass spectrometric identification of dangerous mycobacterial strains.

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