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Waters Oligonucleotide Separation Technology XBridge OST C18 Columns User Manual

Method guidelines, Xbridge, Ost c

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[ method guidelines ]

XBridge

OST C

18

columns are based on Waters second generation of

hybrid-silica BEH Technology

particles and can be effectively used

for the lab scale purification and analysis of detritylated synthetic
oligonucleotides using ion-pair, reversed-phase chromatography. This
document provides useful method guidelines for the effective use of
this column chemistry for this group of compounds.

Contents

I.

PRINCIPLES OF OLIGONUCLEOTIDE SEPARATIONS

II. SAMPLE PREPARATION

III. RECOMMENDED MOBILE PHASES

IV. RECOMMENDED INJECTOR WASH SOLVENT

V. GENERAL CONSIDERATIONS IN DEVELOPING SEPARATIONS

VI. ANALYSIS OF MODIFIED OLIGONUCLEOTIDES

VII. PURIFICATION CONSIDERATIONS

XBridge

ost C

18

Method guidelines

*ost: oligonuCleotide separation teChnology