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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.
The earliest record of human activity in northern Europe.
Parfitt SA, Barendregt RW, Breda M, Candy I, Collins MJ, Coope GR, Durbidge P, Field MH, Lee JR, Lister AM, Mutch R, Penkman KE, Preece RC, Rose J, Stringer CB, Symmons R, Whittaker JE, Wymer JJ, Stuart AJ. Parfitt SA, et al. Nature. 2005 Dec 15;438(7070):1008-12. doi: 10.1038/nature04227. Nature. 2005. PMID: 16355223
Comment on "Protein sequences from mastodon and Tyrannosaurus rex revealed by mass spectrometry".
Buckley M, Walker A, Ho SY, Yang Y, Smith C, Ashton P, Oates JT, Cappellini E, Koon H, Penkman K, Elsworth B, Ashford D, Solazzo C, Andrews P, Strahler J, Shapiro B, Ostrom P, Gandhi H, Miller W, Raney B, Zylber MI, Gilbert MT, Prigodich RV, Ryan M, Rijsdijk KF, Janoo A, Collins MJ. Buckley M, et al. Science. 2008 Jan 4;319(5859):33; author reply 33. doi: 10.1126/science.1147046. Science. 2008. PMID: 18174420 Free PMC article.
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