Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 3, Issue 23, Pages 4262-4267Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b508477f
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A new type of fluorescent chemosensor, based on modified cyclodextrins bearing the fluorophore unit NBD-amine, was prepared. One of these new chemosensors, NC0 beta CD, is sensitive to adamantane and borneol derivatives, which have a comparatively spherical shape that fits the beta-CD cavity, but is not sensitive to bile acids, which are strongly bound by the native beta-CD. Even in the presence of a bile acid, NC0 beta CD can detect 1-adamantanol. Another of this new type of chemosensors, NC0 gamma CD, is sensitive to bile acids but not to adamantane derivatives. The response of the new type of chemosensors to a guest was an increase in the. uorescence intensity.
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