Techniques for analysis of proteins by SDS-polyacrylamide gel electrophoresis and Western blotting
Gibbins, J. M. (2004) Techniques for analysis of proteins by SDS-polyacrylamide gel electrophoresis and Western blotting. Methods in Molecular Biology, 273. pp. 139-152. ISSN 1064-3745
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To link to this item DOI: 10.1385/1592597831
The separation of mixtures of proteins by SDS-polyacrylamide gel electrophoresis (SDS-PAGE) is a technique that is widely used—and, indeed, this technique underlies many of the assays and analyses that are described in this book. While SDS-PAGE is routine in many labs, a number of issues require consideration before embarking on it for the first time. We felt, therefore, that in the interest of completeness of this volume, a brief chapter describing the basics of SDS-PAGE would be helpful. Also included in this chapter are protocols for the staining of SDS-PAGE gels to visualize separated proteins, and for the electrotransfer of proteins to a membrane support (Western blotting) to enable immunoblotting, for example. This chapter is intended to complement the chapters in this book that require these techniques to be performed. Therefore, detailed examples of why and when these techniques could be used will not be discussed here.