Hydrothermal synthesis of highly fluorescent nitrogen-doped carbon quantum dots with good biocompatibility and the application for sensing ellagic acid

被引：70
作者：
Guo, Yongming [1 ]
Zhao, Wei [2 ]
机构：
[1] Nanjing Univ Informat Sci & Technol, NUIST UoR Int Res Inst, Inst Adv Mat & Flexible Elect IAMFE, Reading Acad,Sch Chem & Mat Sci, Nanjing 210044, Peoples R China
[2] Nanyang Normal Univ, Coll Chem & Pharmaceut Engn, Nanyang 473061, Peoples R China
来源：
SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2020年 / 240卷
关键词：
Carbon quantum dots; Synthesis; applications; Detection; Ellagic acid; NANOMATERIALS; SENSORS; FE3+;
D O I：
10.1016/j.saa.2020.118580
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
Blue emissive nitrogen-doped carbon quantumdots (N-CQDs) with a high quantumyield as high as 84.79% were successfully synthesized via the hydrothermal treatment of citric acid and diethylenetriamine in one pot. The asprepared N-CQDs displayed excellent stability in high-salt conditions, good photostability, promising the N-CQDs as potential probes for selectively detecting ellagic acid with a linear range of 0.01-50 mu M on the basis of inner filter effect. And the hydroponics experiment of gardenia with N-CQDs suggested the good biocompatibility of the N-CQDs, indicating the potential applications in biomedical fields. (c) 2020 Elsevier B.V. All rights reserved.
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页数：7
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