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Fabrication and Application of Isotopically Labelled Gold Arrays for Multiplexed Peptide Analysis

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JournalChembiochem
DateAccepted/In press - 1 Sep 2016
DateE-pub ahead of print (current) - 12 Sep 2016
Number of pages9
Early online date12/09/16
Original languageEnglish

Abstract

A new array-based technology for the simultaneous capture, chemical labelling and mass spectrometry analysis of peptides is presented. Isotopically labelled self-assembled monolayer (SAM) gold arrays are constructed and used simultaneously to capture and label a range of peptides. The array-immobilised, labelled peptides were released by MALDI ablation, analysed by MALDI mass spectrometry and readily identified as labelled peptides from their characteristic isotope pattern. This new solid-phase array platform has the advantage of minimal sample manipulation and is suitable for multiple analyses of single protein digests on a single MALDI target plate.

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© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an author-produced version of the published paper. Uploaded in accordance with the publisher’s self-archiving policy. Further copying may not be permitted; contact the publisher for details.

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