White pepper-derived ratiometric carbon dots for highly selective detection and imaging of coenzyme A.

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ID: 87339
2020
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Abstract
A new-style white pepper derived dual-emission carbon dots (CDs) with a quantum yield of 10.4% was designed and facile constructed with one-pot solvothermal method. The green emission (520 nm) had an efficient and special "turn-on" fluorescence sensing of coenzyme A (CoA) with the aid of Cu, while red emission (668 nm) barely changed and worked as reference. In the concentration range (0-150 µM), relative fluorescence intensity ratios (F/F) showed excellent linear correlation with concentrations of CoA, and detection limit was as low as 8.75 nm. Moreover, the strategy has been successfully applied for label-free detection of CoA in real pig liver samples with good recoveries (93.3-108.0%). Notably, the synthesized CDs had durable fluorescence, low cytotoxicity, and good biocompatibility for cellular imaging, which demonstrated wide and promising applicability for biosensing and bioimaging in the future.
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long2020whitefood Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Long, Ruiqing;Guo, Ying;Xie, Lianwu;Shi, Shuyun;Xu, Jinju;Tong, Chaoying;Lin, Qinlu;Li, Te;
Journal Food chemistry
Year 2020
DOI
S0308-8146(20)30017-0
URL
Keywords
carbon dots cellular imaging coenzyme a ratiometric nanosensor white pepper

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