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Handbook of Size Exclusion Chromatography and Related ...

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16<br />

<strong>Size</strong> <strong>Exclusion</strong><br />

<strong>Chromatography</strong> <strong>of</strong><br />

Nucleic Acids<br />

Yoshio Kato<br />

TOSOH Corporation<br />

Yamaguchi, Japan<br />

Shigeru Nakatani<br />

TOSOH Bioscience LLC<br />

Montgomeryville, Pennsylvania, U.S.A.<br />

1 INTRODUCTION<br />

Conventionalsizeexclusionchromatography(SEC)hasbeenemployedforalong<br />

time for the separation <strong>and</strong> purification <strong>of</strong> nucleic acids, but it has not been very<br />

successful. High-performance SEC, however, was applied to the separation <strong>of</strong><br />

nucleicacidsin1979(1),<strong>and</strong>theperformanceinSEC<strong>of</strong>nucleicacidswasgreatly<br />

improved. As aresult, SEC became one <strong>of</strong> the effective methods to separate<br />

various types <strong>of</strong> nucleic acids according to molecular size. Since then, successful<br />

separations <strong>of</strong> RNAs (1–9), DNA fragments (8–18), plasmids (18–24), <strong>and</strong><br />

oligonucleotides (25) have been reported. In this chapter, separations <strong>of</strong> these<br />

types <strong>of</strong> nucleic acids by high-performance SEC <strong>and</strong> guidelines to optimize<br />

chromatographic conditions are described.<br />

2 RNA<br />

SEC has been applied to various types <strong>of</strong> RNA, such as transfer RNA (tRNA),<br />

ribosomal RNA (rRNA), messenger RNA (mRNA), <strong>and</strong> retroviral genomic RNA.<br />

© 2004 by Marcel Dekker, Inc.

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