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Methods for fractionation, separation and profiling of proteins and peptides

  1. Author:
    Issaq, H. J.
    Conrads, T. P.
    Janini, G. M.
    Veenstra, T. D.

  2. Author Address

    NCI, SAIC Frederick Inc, Separat Technol Grp, Analyt Chem Lab, POB B, Frederick, MD 21702 USA NCI, SAIC Frederick Inc, Separat Technol Grp, Analyt Chem Lab, Frederick, MD 21702 USA Issaq HJ NCI, SAIC Frederick Inc, Separat Technol Grp, Analyt Chem Lab, POB B, Frederick, MD 21702 USA
    1. Year: 2002
  2. Journal: Electrophoresis
    1. 23
    2. 17
    3. Pages: 3048-3061
  4. Type of Article: Review
  1. Abstract:

    In the last few years there has been an increased effort to develop technologies capable of identifying and quantifying large numbers of proteins expressed within a cell system (i.e., the proteome). The complexity of the mixtures being analyzed has made the development of effective fractionation and separation methods a critical component of this effort. This review highlights many of the protein and peptide fractionation and separation methods, such as electrophoresis and high- performance liquid chromatography (HPLC), which have experienced significant development over the past forty years. Modern instrumental strategies for the resolution of cell proteins, based on separations employing a single high- resolution or multidimensional approach, and the relative merits of each, will be discussed. The focus of this manuscript will be on the development of multidimensional separations such as two-dimensional polyacrylamide gel electrophoresis (2D- PAGE), HPLC/HPLC, and HPLC-capillary electrophoresis and their application to the characterization of complex proteome mixtures.

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