Ratiometric fluorescence assay for γ-glutamyltranspeptidase detection based on a single fluorophore via analyte-induced variation of substitution
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Updated: May 2, 2026

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Glutamine Flux Imaging Using Genetically Encoded Sensors
Published on: July 31, 2014
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Xianfeng Hou1, Qingxiang Yu, Fang Zeng
1College of Materials Science & Engineering, State Key Lab of Luminescent Materials & Devices, South China University of Technology, Guangzhou 510640, P. R. China. mcfzeng@scut.edu.cn shzhwu@scut.edu.cn.
Abstract:
The first ratiometric fluorescent probe for γ-glutamyltranspeptidase (GGT) was developed, which functions through GGT-induced variation of substitution and subsequent changes in photophysical properties. It can detect GGT in human serum, and be used to visualize the endogenous GGT in ovarian cancer cells.

