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  • Title: Carbohydrate analysis by desorption electrospray ionization fourier transform ion cyclotron resonance mass spectrometry.
    Author: Bereman MS, Williams TI, Muddiman DC.
    Journal: Anal Chem; 2007 Nov 15; 79(22):8812-5. PubMed ID: 17918969.
    Abstract:
    We report the use of desorption electrospray ionization hybrid Fourier transform ion cyclotron resonance mass spectrometry (DESI-FT-ICR-MS) for the analysis of carbohydrates. Spectra of neat carbohydrates are presented along with their mass measurement accuracies and limits of detection. Furthermore, a comparison is made between the analyses of O-linked glycans from mucin by DESI-FT-ICR-MS and matrix-assisted laser desorption/ionization Fourier transform ion cyclotron resonance mass spectrometry. Finally, glycans from mucin are identified by using the high mass measurement accuracy and tandem MS capabilities afforded by the hybrid FT-ICR-MS platform.
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