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Identification of endothelial proteins by MALDI-MS using a compact disc microfluidic system.
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2004 (English)In: The Protein Journal, ISSN 1572-3887, E-ISSN 1875-8355, Vol. 23, no 4Article in journal (Refereed) Published
Abstract [en]

Vascular endothelial proteins have been analyzed using two-dimensional (2D) gel electrophoresis and subsequent mass spectrometry, with separate methods for the intervening sample preparations. Compact disc (CD) technology was found to be rapid, giving high overall yield both with ordinary Coomassie staining and with Sypro Ruby staining. Combined with automatic in-gel digestion, the CD technology has great capacity for large numbers of protein analysis, although for limited sample numbers, manual methods can give similar sequence coverage. In a test set of 48 samples, 45 proteins were identified using the CD preparation technique, 32 identified with higher sequence coverage using the CD technique, 7 with higher using ZipTips in a robotic workstation, and 5 with higher coverage using dried droplets of unpurified samples. In the process of these methodological comparisons, basic patterns for 116 endothelial proteins were defined, representing 297 separate protein spots on the 2D gels.

Place, publisher, year, edition, pages
2004. Vol. 23, no 4
URN: urn:nbn:se:umu:diva-110770PubMedID: 15214497OAI: diva2:865368
Available from: 2015-10-28 Created: 2015-10-28 Last updated: 2015-10-28

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