Capillary electrophoretic discrimination of single nucleotide polymorphisms using an oligodeoxyribonucleotidepolyacrylamide conjugate as a pseudo-immobilized affinity ligand: optimum ligand length predicted by the melting temperature values.

Abstract excerpt

We developed a weak-affinity separation system for single-nucleotide polymorphisms (SNPs) based on capillary electrophoresis. In this approach, single-stranded DNA (ssDNA)-polyacrylamide (polyAAm) conjugate was used as a pseudo-immobilized affinity ligand to separate the target DNA, cytochrome P450 2C9 (CYP2C9), and its point mutant. The ligand DNA was designed to be complementary to the normal DNA, and the...

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