Chiral Recognition of Amino Acids Based on Cyclodextrin-Capped Quantum Dots

Water‐soluble and stable semiconductor CdSe/ZnS quantum dots (QDs) are prepared by using β‐ and α‐cyclodextrin (CD) as surface‐coating agents by using a simple sonochemical method, which allows highly enantioselective fluorescent recognition of amino acids (see image). When CD‐QDs are treated with L...

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Bibliographic Details
Published in:Small (Weinheim an der Bergstrasse, Germany) Germany), 2008-09, Vol.4 (9), p.1344-1350
Main Authors: Han, Cuiping, Li, Haibing
Format: Article
Language:English
Subjects:
amino acids
Amino Acids - chemistry
beta-Cyclodextrins - chemistry
chiral recognition
cyclodextrins
Microscopy, Electron, Transmission
Quantum Dots
Spectrophotometry
Stereoisomerism
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Summary:Water‐soluble and stable semiconductor CdSe/ZnS quantum dots (QDs) are prepared by using β‐ and α‐cyclodextrin (CD) as surface‐coating agents by using a simple sonochemical method, which allows highly enantioselective fluorescent recognition of amino acids (see image). When CD‐QDs are treated with L‐amino acids (see image), a much greater fluorescence enhancement is observed than that with D‐amino acids.
ISSN:1613-6810
1613-6829
DOI:10.1002/smll.200701221