期刊
DYES AND PIGMENTS
卷 178, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.dyepig.2020.108316
关键词
Carbon dots; Ganoderma Lucidum; Bioimaging; Pollutants; Detection
资金
- Science Research Foundation of Yunnan Provincial Department of Education of China [2020J0509]
- National Natural Science Foundation of China [31700324, 31860147]
The highly fluorescent nitrogen, phosphorus carbon dots (Gl N,P-CDs) and Gl CDs deriving from Ganoderma Lucidum were successfully prepared by a simple hydrothermal method. The Gl N,P-CDs exhibited low biotoxicity and good biocompatibility by cell imaging, onion skin staining and in vivo bioimaging. In addition, Gl N,P-CDs and G1 CDs showed high selectivity and sensitivity in detecting 2,4-dinitrophenol (2,4-DNP) and 4-nitrophenol (4-NP). Good linear range 0-37.5 mu M (R-2 = 0.9923) and 0-50 mu M (R-2 = 0.9944) for Gl CDs, and 0-30 mu M (R-2 = 0.9914) and 0-30 mu M (R-2 = 0.9976) for Gl N,P-CDs were obtained, and the low detection limits were 89.77 nM, 100.27 nM (G1 CDs) and 73.03 nM, 68.09 nM (Gl N,P-CDs) for 2,4-DNP and 4-NP, respectively. It revealed that the inner filter effect dominated in quenching of the GI CDs and Gl N,P-CDs fluorescent by 2,4-DNP and 4-NP. The GI N,P-CDs was successfully used to detect 2,4-DNP and 4-NP in real water and soil samples. It provided a new insight on the bioimaging application and environmental pollutants detection.
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