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. 1988 Dec;85(24):9660-3.
doi: 10.1073/pnas.85.24.9660.

Rapid separation and purification of oligonucleotides by high-performance capillary gel electrophoresis

A S Cohen  1 , D R Najarian, A Paulus, A Guttman, J A Smith, B L Karger
Affiliations

Rapid separation and purification of oligonucleotides by high-performance capillary gel electrophoresis

A S Cohen et al. Proc Natl Acad Sci U S A. 1988 Dec.

Abstract

Picomole amounts of oligodeoxynucleotides [polydeoxyadenylic acids, (dA)40-60] were baseline resolved and analyzed in less than 8 min by high-performance capillary electrophoresis with polyacrylamide gels. In addition, fast analysis of a crude 70-mer oligodeoxynucleotide and a slab gel-purified 99-mer oligodeoxynucleotide was accomplished, demonstrating the ability of high-performance capillary electrophoresis to characterize rapidly synthesized oligonucleotides. Besides analytical separations, 800 ng of a primer (20-mer) was isolated in less than 20 min. The purified species was collected in water and subsequently used as a probe in a standard dot-blot analysis. The use of high-performance capillary electrophoresis for the analysis and purification of a variety of biopolymers is simple, rapid, and has the potential for automation.

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