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Estimation of Molecular Weight by Gel Filtration and Gel Electrophoresis

I. Mathematical Principles

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Part of the book series: Biological Separations ((BIOSEP))

Abstract

The most popular methods for estimation of molecular weights of proteins are gel filtration (GF) and polyacrylamide gel electrophoresis (PAGE) (see Appendix for a glossary of terms used in this chapter). These two approaches may employ aqueous media or denaturing solvents such as solutions of urea, guanidine, sodium dodecylsulfate (SDS), sodium decylsulfate (NaDS), or other detergents. The usual practice is to construct a “calibration curve” and to utilize linear interpolation for estimation of Stokes’ radius, molecular weight, or log molecular weight. This chapter provides a review of the various types of calibration curves available, with their theoretical and empirical bases, and attempts to provide a comprehensive and unified approach to analysis of data from gel filtration, PAGE, and SDS-PAGE.

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© 1976 Springer Science+Business Media New York

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Rodbard, D. (1976). Estimation of Molecular Weight by Gel Filtration and Gel Electrophoresis. In: Catsimpoolas, N. (eds) Methods of Protein Separation. Biological Separations. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-9984-1_3

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  • DOI: https://doi.org/10.1007/978-1-4684-9984-1_3

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4684-9986-5

  • Online ISBN: 978-1-4684-9984-1

  • eBook Packages: Springer Book Archive

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