Cholesteric bonded stationary phases for high-performance liquid chromatography: a comparative study of the chromatographic behavior.
Anal Bioanal Chem
; 392(3): 451-61, 2008 Oct.
Article
em En
| MEDLINE
| ID: mdl-18651135
ABSTRACT
The properties of four cholesteric bonded stationary phases differing in the nature of the spacer and the end-capping were assessed using simple chromatographic tests based on the retention of nonpolar compounds and of planar or nonplanar probe solutes. All cholesteric columns showed a hydrophobicity close to that of conventional octadecyldimethylsilyl (ODS) materials. Non-end-capped cholesteric bonded phases showed greater selectivity than ODS ones and both end-capped cholesteric bonded phases exhibit behavior intermediate between that of the non-end-capped original material and that of the ODS bonded phase.
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Base de dados:
MEDLINE
Assunto principal:
Colesterol
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Cromatografia Líquida de Alta Pressão
Idioma:
En
Ano de publicação:
2008
Tipo de documento:
Article