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Modified Cyclodextrins as Enantioselective Hosts for Amino Acids

✍ Scribed by Vydyula Pavan Kumar; Iragavarapu Suryanarayana; Yadavalli Venkata Durga Nageswar; Kakulapati Rama Rao

Publisher
John Wiley and Sons
Year
2008
Tongue
German
Weight
214 KB
Volume
91
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Two modified β‐cyclodextrins, H‐2 and H‐3, having a flexible appended moiety were studied for the chiral discrimination of the enantiomers of various amino acids by means of fluorescence as signaling option. These hosts quenched the fluorescence intensities of amino acids upon binding. The d‐enantiomers were better recognized by these hosts. The association constants (K~s~) and enantioselectivity factors (α) of the host⋅guest complexes were calculated.

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