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Capillary electrophoresis with wavelength-resolved fluorescence detection. 1996

A T Timperman, and J V Sweedler
Department of Chemistry, University of Illinois, Urbana 61801, USA.

Single-channel fluorescence detectors provide extremely low limits of detection for analytes separated by capillary electrophoresis (CE), but little structural or diagnostic information. In wavelength-resolved fluorescence detection, complete fluorescence emission spectra are acquired for every analyte separated by CE. The fluorescence spectral information has been used for DNA sequencing and to identify the tyrosine and tryptophan content of peptides. In addition, a variety of diagnostic uses for the fluorescence information exist, including monitoring excitation source stability and the pH, organic content and impurities in the running buffer. The popularity of spectrally resolved fluorescence detection in CE is expected to increase just as diode-array detection has become relatively common for ultraviolet-visible absorbance.

UI MeSH Term Description Entries
D013050 Spectrometry, Fluorescence Measurement of the intensity and quality of fluorescence. Fluorescence Spectrophotometry,Fluorescence Spectroscopy,Spectrofluorometry,Fluorescence Spectrometry,Spectrophotometry, Fluorescence,Spectroscopy, Fluorescence
D019075 Electrophoresis, Capillary A highly-sensitive (in the picomolar range, which is 10,000-fold more sensitive than conventional electrophoresis) and efficient technique that allows separation of PROTEINS; NUCLEIC ACIDS; and CARBOHYDRATES. (Segen, Dictionary of Modern Medicine, 1992) Capillary Zone Electrophoresis,Capillary Electrophoreses,Capillary Electrophoresis,Capillary Zone Electrophoreses,Electrophoreses, Capillary,Electrophoreses, Capillary Zone,Electrophoresis, Capillary Zone,Zone Electrophoreses, Capillary,Zone Electrophoresis, Capillary

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