Cysteine-based fluorescence "turn-on" sensors for Cu super(2+) and Ag super(+)

We designed and synthesized two metal ion binding molecules 3a and 3b based on cysteine. In 3a, pyrene is used as a fluorescent probe, while 3b contains tryptophan, which acts as a fluorescent probe as well as facilitates metal ion binding. Detailed spectroscopic, calorimetric, microscopic and compu...

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Bibliographic Details
Published inRSC advances Vol. 4; no. 99; pp. 56539 - 56542
Main Authors Haridas, V, Praveen Kumar, PP, Suresh, Cherumuttathu H
Format Journal Article
LanguageEnglish
Published 01.10.2014
Subjects
Binding
Calorimetry
Computation
Copper
Cysteine
Fluorescence
Synthesis (chemistry)
Tryptophan
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Summary:We designed and synthesized two metal ion binding molecules 3a and 3b based on cysteine. In 3a, pyrene is used as a fluorescent probe, while 3b contains tryptophan, which acts as a fluorescent probe as well as facilitates metal ion binding. Detailed spectroscopic, calorimetric, microscopic and computational studies revealed the binding mode and the plausible structures of the complexes.
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ISSN:2046-2069
DOI:10.1039/c4ra10936h