Calix[4]arene-based, Hg2+-induced intramolecular fluorescence resonance energy transfer chemosensor

被引：189

作者：

Ben Othman, Amel

Lee, Jeong Won

Wu, Jia-Sheng

Kim, Jong Seung

Abidi, Rym

Thuery, Pierre

Strub, Jean Marc

Van Dorsselaer, Alain

Vicens, Jacques

机构：

[1] CNRS, ECPM, ULP, IPHC, F-67087 Strasbourg, France

[2] Dankook Univ, Dept Chem, Seoul 140714, South Korea

[3] Korea Univ, Dept Chem, Seoul 130701, South Korea

[4] Univ Bizerte, Fac Sci, Zarzouna 7021, Tunisia

[5] CEA Saclay, SCM, CNRS, URA 331, F-91191 Gif Sur Yvette, France

来源：

JOURNAL OF ORGANIC CHEMISTRY | 2007年 / 72卷 / 20期

关键词：

SELECTIVE DETECTION; EXCIMER FORMATION; MERCURIC ION; SENSOR; CHEMODOSIMETER; DESIGN; HG2+; PYROPHOSPHATE; RECOGNITION; HG(II);

D O I：

10.1021/jo071226o

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

[GRAPHICS] A novel calix[4]arene-based chemosensor I based on Hg2+-induced fluorescence resonance energy transfer (FRET) was synthesized, and its sensing behavior toward metal ions was investigated by UV/vis and fluorescence spectroscopies. Addition of Hg2+ to a CH3CN solution of I gave a significantly enhanced fluorescence at similar to 575 nm via energy transfer (FRET-ON) from the pyrenyl excimer to a ring-opened rhodamine moiety. In contrast, addition of Al3+ induced a distinct increase of pyrenyl excimer emission (similar to 475 nm), while no obvious FRET-ON phenomenon was observed. Different binding behaviors of 1 toward Hg2+ and Al3+ were also proposed for the interesting observation.

引用

页码：7634 / 7640

页数：7

共 56 条

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