Affiliation:
1. Institute of Carcinogenesis, Cancer Research Centre, Moscow, Russia
Abstract
Isotachophoresis is an electrophoretic method of separation of charged substances. The method is characterized by a discontinuous buffer system, constant velocity of separated molecules, and the distribution of separated components in the form of narrow concentrated bands located one right after another. As a rule, isotachophoresis is not used for the separation of nucleic acids because the mobility of polynucleotides in this system does not depend on their size. However, this circumstance proved to be very useful for the quantitative isolation of heterogeneous DNA fragments from biological fluids, for gene diagnostics of cancer in particular. The proposed method of agarose gel isotachophoresis of DNA has been used for the isolation of blood DNA and its successful PCR analysis.
Subject
General Biochemistry, Genetics and Molecular Biology,Biotechnology
Cited by
26 articles.
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