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Cholesteric bonded stationary phases for high-performance liquid chromatography: a comparative study of the chromatographic behavior

Abstract : The properties of four cholesteric bonded sta- tionary 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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Submitted on : Sunday, May 31, 2020 - 9:46:16 AM
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Cédric Courtois, Guilhem Pages, Stefano Caldarelli, Corinne Delaurent. Cholesteric bonded stationary phases for high-performance liquid chromatography: a comparative study of the chromatographic behavior. Analytical and Bioanalytical Chemistry, Springer Verlag, 2008, 392 (3), pp.451-461. ⟨10.1007/s00216-008-2276-5⟩. ⟨hal-02666966⟩

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