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|Title:||Capillary electrophoretic analysis of cyclodextrins with dynamic fluorescence labeling and detection||Authors:||Wei, H.
|Issue Date:||27-Mar-1998||Citation:||Wei, H., Li, S.F.Y. (1998-03-27). Capillary electrophoretic analysis of cyclodextrins with dynamic fluorescence labeling and detection. Journal of Chromatography A 800 (2) : 333-338. ScholarBank@NUS Repository. https://doi.org/10.1016/S0021-9673(97)01149-7||Abstract:||The use of 8-anilinonaphthalene-1-sulfonic acid (8,1-ANS) as buffer additive in the capillary electrophoretic separation of cyclodextrins (CDs) was investigated. Better detection sensitivity was obtained for α- and γ- CDs than with previously reported capillary electrophoretic methods. Increasing the concentration of 8, 1-ANS improved resolution and sensitivities for α-, β- and γ-CDs, while decreasing the pH of the background electrolyte can improve sensitivities. Detection limits for α-, β- and γ-CDs were determined to be 60, 20 and 7 μM, respectively. The formation constants of CD-8,1-ANS complexes at pH 6 were also measured by capillary electrophoresis. Finally the specificity of amyloglucosidase to CDs was analyzed as a practical application of this method.||Source Title:||Journal of Chromatography A||URI:||http://scholarbank.nus.edu.sg/handle/10635/75689||ISSN:||00219673||DOI:||10.1016/S0021-9673(97)01149-7|
|Appears in Collections:||Staff Publications|
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