Waters Oligonucleotide Separation Technology ACQUITY UPLC Manuale Utente

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[ method guidelines ]
ACQUITY UPLC
®
OST C
18
columns are based on Waters second gen-
eration of hybrid-silica BEH Technology™ particles and can be effec-
tively used for the high resolution analyses 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 SOLVENTS
V. SOLVENT MIXING OPTIONS
VI. DEVELOPING SEPARATIONS
VII. ANALYSIS OF MODIFIED OLIGONUCLEOTIDES
ACQUItY UPLC
®
ost C
18
*ost: oLIgonUCLeotIde sePArAtIon teChnoLogY
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Sommario

Pagina 1 - ACQUItY UPLC

[ method guidelines ]ACQUITY UPLC® OST C18 columns are based on Waters second gen-eration of hybrid-silica BEH Technology™ particles and can be effec-

Pagina 2

2[ method guidelines ]I. P rInC IPLes oF oLIgonUCLeotIde se PA rAtIons Separations of detritylated synthetic oligonucleotides on ACQUITY UPLC®

Pagina 3

3[ method guidelines ]3. To remove particulates the sample may be filtered with a 0.2 μm membrane. Be sure that the selected membrane is compatible an

Pagina 4

4[ method guidelines ]Mobile Phase B change per min) is required. In these situations, it is recommended that the organic solvent concentration in Mob

Pagina 5

5[ method guidelines ]enhanced component resolution. A suitable gradient separation method can be approximated from the oligonucleotide base (C, G

Pagina 6

6[ method guidelines ]1: Standard oligonucleotides: 10 – 30 mers 2: Short oligonucleotides: Less than 10 mer 3: Long oligonucleotides: 30 – 60 mers

Pagina 7

Waters Corporation 34 Maple Street Milford, MA 01757 U.S.A. T: 1 508 478 2000 F: 1 508 872 1990 www.waters.com[ method guidelines ]©2007 Waters Corpor

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