Potassium ion recognition by 15-crown-5 functionalized CdSe/ZnS quantum dots in H2O

Potassium ion recognition by 15-crown-5 functionalized CdSe/ZnS quantum dots in H2O

Based on 15-crown-5 functionalized CdSe/ZnS quantum dots (QDs), we report a novel fluorogenic sensor to probe K+ ions in H2O; recognition of K+ can be achieved via the Förster type of energy transfer between two different color QDs, so that [K+] of the order of 10(-6) M can be promptly detected.

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2006-01 (3), p.263-265
Hauptverfasser: Chen, Chun-Yen, Cheng, Chiu-Ting, Lai, Chih-Wei, Wu, Pei-Wen, Wu, Kun-Chan, Chou, Pi-Tai, Chou, Yi-Hsuan, Chiu, Hsin-Tien
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Sprache:eng
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Zusammenfassung:Based on 15-crown-5 functionalized CdSe/ZnS quantum dots (QDs), we report a novel fluorogenic sensor to probe K+ ions in H2O; recognition of K+ can be achieved via the Förster type of energy transfer between two different color QDs, so that [K+] of the order of 10(-6) M can be promptly detected.
ISSN:1359-7345
DOI:10.1039/b512677k