Matrix assisted laser desorption ionisation ion mobility separation mass spectrometry imaging of ex-vivo human skin

HART, Philippa J., FRANCESE, Simona, WOODROOFE, M. Nicola and CLENCH, Malcolm R. (2013). Matrix assisted laser desorption ionisation ion mobility separation mass spectrometry imaging of ex-vivo human skin. International Journal for Ion Mobility Spectrometry, 16 (2), 71-83.

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Official URL: http://dx.doi.org/10.1007/s12127-013-0124-6
Link to published version:: https://doi.org/10.1007/s12127-013-0124-6
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    Abstract

    Matrix assisted laser desorption ionisation ion mobility separation mass spectrometry imaging (MALDI-IMS-MSI) has been employed to image the distribution of proteins in ex-vivo human skin. Using a “bottom-up” proteomics approach employing “on-tissue” digestion the distribution of abundant skin proteins; collagen, keratin, decorin and serum albumin could be mapped. Images have been recorded at 150 and 30 μm spatial resolution. Multivariate statistical analysis of the data has been employed to associate specific proteins with layers of the skin. The improved specificity given by the use of ion mobility separation in mass spectrometric imaging has been demonstrated by separation of peptide ions from phospholipids.

    Item Type: Article
    Research Institute, Centre or Group - Does NOT include content added after October 2018: Biomolecular Sciences Research Centre
    Identification Number: https://doi.org/10.1007/s12127-013-0124-6
    Page Range: 71-83
    Depositing User: Users 3084 not found.
    Date Deposited: 10 May 2013 09:44
    Last Modified: 18 Mar 2021 19:45
    URI: http://shura.shu.ac.uk/id/eprint/7020

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