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. 2012 Sep 12;2012:735132. doi: 10.1155/2012/735132

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Copyright © 2012 David John Tooth et al.

This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Exemplary comparative linear-MALDI-TOF mass spectra of proteins in 40% (v/v) acetonitrile eluted reversed-phase SPE fractions of 0.4 M potassium chloride eluted anion-exchange fraction, derived from DDF cytosolic extracts of six samples of cultured human Neuro-2A cells. Proteins in fractions were directly cospotted with alpha-cyano-4-hydroxy-cinnamic acid matrix. This data serves to show the high between sample extract precision with which some proteins were recovered and could be analysed.