Separation of oligonucleotides with single-base mutation by capillary electrophoresis using specific interaction of metal ion with nucleotide.

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Division of Environmentally Benign Systems, Graduate School of Environmental Studies, Tohoku University, 20 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan.

Published: July 2009

A unique tactic for the separation of single-base sequential isomers of oligomeric single-stranded DNA by a CE separation system employing the specific interaction of metal ion with nucleotide was demonstrated, enabling the separation of the mixture of a 12-mer oligonucleotide and its single-base mutants, as well as their positional isomers.

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http://dx.doi.org/10.1039/b903440dDOI Listing

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