Abstract
Novel perylenebisimide-based fluorescent chemosensors PBI-5 and PBI-6 were designed and synthesized. Their selective recognition behavior toward metal ions was investigated by visual colorimetry and fluorescence spectroscopy. PBI-5 successfully exhibits a fluorescence turn-on response for Zn2+ and switch-off response for Cu2+ in neutral buffer solution, but the fluorescence turn-on response is moderately perturbed by Cd2+ and Pb2+. PBI-6 can effectively eliminate or weaken Pb2+ and Cd2+ induced interference and shows a better selectivity for Zn2+. Live cell imaging experiments indicates that both PBI-5 and PBI-6 can successfully enter the cell and apply in cell fluorescence imaging.
Keywords: Cell fluorescence imaging, colorimetry assay, fluorescent chemosensor, perylenebisimide, photoinduced electron transfer, selective recognition, retardation, magnesium, copper, iron, calcium
Letters in Organic Chemistry
Title:Perylenebisimide-based Fluorescent Chemosensors for Selective Detection of Zn2+ in Aqueous Solution
Volume: 9 Issue: 7
Author(s): Xuefeng Cong, Ningjie Wu, Lei Ma, Mingliang Li, Rongqi Zhou, Ge Gao and Jingbo Lan
Affiliation:
Keywords: Cell fluorescence imaging, colorimetry assay, fluorescent chemosensor, perylenebisimide, photoinduced electron transfer, selective recognition, retardation, magnesium, copper, iron, calcium
Abstract: Novel perylenebisimide-based fluorescent chemosensors PBI-5 and PBI-6 were designed and synthesized. Their selective recognition behavior toward metal ions was investigated by visual colorimetry and fluorescence spectroscopy. PBI-5 successfully exhibits a fluorescence turn-on response for Zn2+ and switch-off response for Cu2+ in neutral buffer solution, but the fluorescence turn-on response is moderately perturbed by Cd2+ and Pb2+. PBI-6 can effectively eliminate or weaken Pb2+ and Cd2+ induced interference and shows a better selectivity for Zn2+. Live cell imaging experiments indicates that both PBI-5 and PBI-6 can successfully enter the cell and apply in cell fluorescence imaging.
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Cite this article as:
Cong Xuefeng, Wu Ningjie, Ma Lei, Li Mingliang, Zhou Rongqi, Gao Ge and Lan Jingbo, Perylenebisimide-based Fluorescent Chemosensors for Selective Detection of Zn2+ in Aqueous Solution, Letters in Organic Chemistry 2012; 9 (7) . https://dx.doi.org/10.2174/157017812802139663
DOI https://dx.doi.org/10.2174/157017812802139663 |
Print ISSN 1570-1786 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6255 |
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