期刊
MICROCHEMICAL JOURNAL
卷 148, 期 -, 页码 73-78出版社
ELSEVIER
DOI: 10.1016/j.microc.2019.04.041
关键词
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资金
- National Key Research and Development Program of China [2017YFF0108600, 2017YFC0211900, 2016YFF0103800]
- National Natural Science Foundation of China [81771982, 61535010, 81771929, 21803075, 8160071152]
- Key Research Program of the Chinese Academy of Sciences [KFZD-SW-210]
- Natural Science Foundation of Jiangsu Province [BE2015601]
- Science and Technology Department of Suzhou City [SS201539, ZXY201434]
Adenine detection is important in biomedicine. Here, we report acriflavine-based carbon dots prepared via a one-step synthesis that can detect adenine in aqueous solution via fluorescence. Titration experiments show that the fluorescence intensity of carbon dots increases by up to 35% as the concentration of adenine increnses. High-resolution transmission electron microscopy images show that carbon dots have a recognizable lattice structure. Based on this, we built a theoretical model using the DFT method to explain the mechanism by which adenine enhances fluorescence on the carbon dots.
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