Laser using -Based Indirect Fluorometric Detection and Quantification in Thin-Layer Chromatography
A laser-based indirect fluorometric detection method for thin-layer chromatography is described. The new technique can be easily used for quantitative measurements because of its two-dimensional scanning capability. Since it is based on the indirect fluorescence mode, universal detection is possible without derivatization. Also, it takes only 35 s for acquiring a data array of 256 × 64 points with this technique to achieve a detection limit of 6 pg. This is 100 times lower than when the human eye is used as a detector for the same samples based on indirect fluorometry. The linearity in indirect fluorometric detection is found to be over 2 orders of magnitude.
Y. Ma et al., "Laser using -Based Indirect Fluorometric Detection and Quantification in Thin-Layer Chromatography," Analytical Chemistry, vol. 61, no. 17, pp. 1931-1933, American Chemical Society (ACS), Sep 1989.
The definitive version is available at http://dx.doi.org/10.1021/ac00192a031
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© 1989 American Chemical Society (ACS), All rights reserved.