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Ion-pair reversed-phase high-performance liquid chromatography analysis of oligonucleotides:

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New procedure for the use of high-performance liquid chromatography–electrospray ionization mass spectrometry for the analysis of nucleotides and oligonucleotides

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Analysis of native and chemically modified oligonucleotides by tandem ion‐pair reversed‐phase high‐performance liquid chromatography/electrospray ionization mass spectrometry

Kenneth J. Fountain, Martin Gilár, John C. Gebler · Rapid Communications in Mass Spectrometry · 2003 · 122 citations · Full text

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