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  • Title: The use of a new gel matrix for the separation of DNA fragments: a comparison study between slab gel electrophoresis and capillary electrophoresis.
    Author: Siles BA, Collier GB, Reeder DJ, May WE.
    Journal: Appl Theor Electrophor; 1996; 6(1):15-22. PubMed ID: 9072076.
    Abstract:
    TreviGel-500, a new polysaccharide matrix containing AgaCryl, commercially available as a powder for slab gel electrophoresis, is now being applied to the separation of DNA fragments in capillary electrophoresis. The capillary mode allows the use of one to two orders of magnitude lower mass fractions of matrix and approximately five to six orders of magnitude lower sample quantities than the slab gel electrophoresis counterpart for optimal separation of DNA fragments in the 100 to 2,000 base pair size range. In the capillary mode, this new separation matrix forms a semi-rigid gel that demonstrates enhanced selectivity for DNA fragments in the 1,000 to 7,000 base pair size range relative to alternative size-sieving polymer solutions. In addition, this matrix offers the advantages of lower toxicity than acrylamide. Comparisons are drawn between the use of this matrix in both slab gel electrophoresis and capillary electrophoresis for the separation of DNA fragments with respect to the mass fraction of the matrix in buffer, the buffer composition and sample loading or injection parameters.
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