期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 31, 期 1, 页码 175-181出版社
SPRINGER
DOI: 10.1007/s10854-019-02682-2
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资金
- National Natural Science Foundation of China [61703216, 11504131]
- China Postdoctoral Science Foundation [2017M620204]
- Program for Science & Technology Innovation Talents in Universities of Henan Province [19HASTIT019]
- Science Foundation of Henan Department of Education [18A140025]
- Key Scientific and Technological Project of Henan province [172102210422, 182102210469]
Intracellular glutathione (GSH) sensing was important for monitoring many diseases and health of cell. In this study, we prepared surface-functionalized Ti3C2 quantum dots (QDs) by ultrasonic cutting and hydrothermal method. Bright excitation wavelength-dependent blue emission was observed in Ti3C2 QDs which was attributed to surface defects and quantum confinement effects. Furthermore, we developed a novel fluorescence sensor that can detect GSH with high sensitivity, based on the fluorescence resonance energy transfer process from Ti3C2 quantum dots to GSH, with a detection limit of 0.02 mu M approximately. This novel Ti3C2 QD can be used as a promising fluorescent sensor for practical applications.
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