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Ionisation bias undermines the use of matrix-assisted laser desorption/ionisation for estimating peptide deamidation: Synthetic peptide studies demonstrate electrospray ionisation gives more reliable response ratios.
Simpson JP, Fascione M, Bergström E, Wilson J, Collins MJ, Penkman KEH, Thomas-Oates J. Simpson JP, et al. Among authors: penkman keh. Rapid Commun Mass Spectrom. 2019 Jun 30;33(12):1049-1057. doi: 10.1002/rcm.8441. Rapid Commun Mass Spectrom. 2019. PMID: 30908787 Free PMC article.
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