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  • 1
    Electronic Resource
    Electronic Resource
    Indirect Fluorimetric Detection of Cyclodextrins via Postcolumn Mixing with 2-p-Toluidinyl-6-naphthalenesulfonate in Liquid Chromatography (1999)
    Weinheim : Wiley-Blackwell
    Journal of High Resolution Chromatography 22 (1999), S. 609-612 
    Details
    ISSN: 0935-6304
    Keywords: Cyclodextrins ; 2-p-toluidinyl-6-naphthalenesulfonate ; indirect fluorimetric detection ; liquid chromatography ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: ---Cyclodextrins (CD's) were visualized by postcolumn mixing with 2-p-toluidinylnaphthalene sulfonate (TNS) in liquid chromatography. The indirect detection is based on fluorescence enhancement due to the formation of an inclusion complex between TNS and CD's. β-CD gave larger signal intensity than α- and γ-CD. Different selectivities were observed for alkyl-bonded silica stationary phases with different chain length.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Separation and fluorescence enhancement of dansyl amino acids assisted by γ-cyclodextrin and bovine serum albumin as mobile phase additive in microcolumn liquid chromatography (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Microcolumn Separations 7 (1995), S. 575-580 
    Details
    ISSN: 1040-7685
    Keywords: liquid chromatography ; γ-cyclodextrin ; bovine serum albumin ; fluorescence enhancement ; retention behavior ; dansyl amino acids ; Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The effects of γ-cyclodextrin and bovine serum albumin as mobile phase additives on fluorescence intensity and retention of dansyl amino acids (Dns-AAs) have been examined in microcolumn liquid chromatography. Polymercoated mixed-functional silica packings were employed for the separation column. The concentrations of the additives, acetonitrile, and buffer affected the signal intensity and retention of DNA-AAs. The use of the mobile phase additives improved the detection limits by a factor of as much as 7.4. © 1995 John Wiley & Sons, Inc.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/mcs.1220070604
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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