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Pure Appl. Chem. 76(4), 829-837, 2004

Pure and Applied Chemistry

Vol. 76, Issue 4

Proteomics principles and challenges

G. Marko-Varga

Department of Analytical Chemistry, Lund University, Box 124, SE-221 00 Lund, Sweden

Abstract: Proteomics studies rely on high-resolving separation techniques whereby the biological complexity can be unraveled. Both gel-based and liquid-phase separation principles are needed in order to mine deeper into the low abundant area of the proteins expressed in human cell samples. The expression levels that can be reached today with proteomics technology are still only reaching part of all proteins present in complex biological samples. The challenge to be met is not an easy task and will, in many aspects, be determined by the speed and success whereby the analytical field can make milestone progress. Examples will be given from our research group on proteomics studies, as well as principles and challenges
within this research area.

*Plenary lectures presented at the Inaugural Conference for the Southern and Eastern Africa Network of Analytical Chemists (SEANAC), Gaborone, Botswana, 7-10 July 2003. Other presentations are published in this issue, pp. 697-888.

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