Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 5, Issue 3, Pages 601-606Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6tc05034d
Keywords
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Funding
- NSFC [21271117, 21371179, 21571187]
- Taishan Scholar Foundation [NCET-11-0309, ts201511019]
- Fundamental Research Funds for the Central Universities [13CX05010A, 14CX02150A, 20151066]
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Herein we provide a new strategy for fluorescence detection of uric acid (UA) using a metal-organic nanotube of CD-MONT-2 for the first time. This novel fluorescent probe exhibits high selectivity and sensitivity for UA with a very good detection limit of 4.3 mu M. The results of density functional theory calculations and H-1 NMR spectra show that the turn-on sensing mechanism arises from the host-guest interactions of capsule-like CD-MONT-2 with UA to result in electron transfer between UA and CD-MONT-2'. Furthermore, CD-MONT-2' exhibits very fast adsorption of UA molecules in aqueous solution as confirmed by UV-Vis spectra and HPLC analysis, making it a potential candidate for application in the removal of UA from the human blood.
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