期刊
ANALYTICAL CHEMISTRY
卷 93, 期 9, 页码 4308-4316出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.analchem.0c05309
关键词
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资金
- National Natural Science Foundation of China [21971194]
- Developing Science Funds of Tongji University
- Science & Technology Commission of Shanghai Municipality [14DZ2261100]
COF nanosheets, a new member in 2D nanomaterials, show potential in drug detection with high sensitivity and selectivity. Interaction with drugs promotes the preparation of COF nanosheets and their application in drug detection.
Covalent organic framework (COF) nanosheets (NSs) are a new member in the family of two-dimensional (2D) nanomaterials that received increasing attention. The ability to prepare COF NSs with rapid acquisition is of great importance to explore their distinctive properties and potential applications. Herein, we elaborate design a new COF hybrid material EB-TFP:Eu(BTA)(4) as a sensing platform. In the process of ratiometric fluorescence detection of 5-fluorouracil (5FU), an anticancer drug, we realize the preparation of COF NSs. Interaction occurs between 5FU and COF hybrid material, where the interlayer pi-pi stacking of COF was weakened, benefiting the exfoliation of bulk COF to acquire 2D COF NSs. This strategy provides not only a sensitive and selective 5FU sensor but also a significant inspiration for engineering 2D COF NSs.
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