A reversible Em-FRET rhodamine-based chemosensor for carboxylate anions using a ditopic receptor strategy

被引:49
作者
Kaewtong, Chatthai [1 ,2 ]
Noiseephum, Jakkapong [1 ,2 ]
Uppa, Yuwapon [3 ]
Morakot, Nongnit [1 ,2 ]
Morakot, Neramit [1 ,2 ]
Wanno, Banchob [1 ,2 ]
Tuntulani, Thawatchai [4 ]
Pulpoka, Buncha [4 ]
机构
[1] Mahasarakham Univ, Supramol Chem Res Unit, Dept Chem, Maha Sarakham 44150, Thailand
[2] Mahasarakham Univ, Ctr Excellence Innovat Chem, Fac Sci, Maha Sarakham 44150, Thailand
[3] Rajamangala Univ Technol, Fac Engn, Dept Chem, Khon Kaen 40000, Thailand
[4] Chulalongkorn Univ, Fac Sci, Dept Chem, Supramol Chem Res Unit, Bangkok 10330, Thailand
关键词
SIMULTANEOUS COMPLEXATION; AQUEOUS-MEDIA; RECOGNITION; SENSORS; BINDING; EMISSION; CATIONS; ION; FLUORESCENCE; SWITCHES;
D O I
10.1039/b9nj00594c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A reversible rhodamine-based sensor (L1) capable of undergoing excimer-fluorescent resonance energy transfer (E-m-FRET) was designed and synthesized using a ditopic receptor strategy. Addition of Cu2+ ions to a solution of L1 induced a ring-open conformation of spirolactam (E-m-FRET ON), whilst ring closure was induced upon addition of CH3COO- (E-m-FRET OFF).
引用
收藏
页码:1104 / 1108
页数:5
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