Abstract
Proteins that migrate through cross-linked polyacrylamide gels (PAGs) under the influence of a constant electric field experience negative factors, such as diffusion and nonspecific trapping in the gel matrix. These negative factors reduce protein concentrations within a defined gel volume with increasing migration distance and, therefore, decrease protein recovery efficiency. Here, we describe the enhancement of protein separation efficiency for up to twofold in conventional one-dimensional PAG electrophoresis (1D PAGE), two-dimensional (2D) PAGE, and native PAGE by implementing pulses of inverted electric field during gel electrophoresis.
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Acknowledgment
This work was supported by the Agency for Science Technology and Research (ASTAR) of Singapore. BioMed Central is the original publisher of the original research article [18]. Figures are used with permission of BioMed Central.
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Tsai, H., Leung, HC.E. (2019). Increase in Local Protein Concentration by Field-Inversion Gel Electrophoresis. In: Kurien, B., Scofield, R. (eds) Electrophoretic Separation of Proteins. Methods in Molecular Biology, vol 1855. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-8793-1_19
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DOI: https://doi.org/10.1007/978-1-4939-8793-1_19
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