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A "turn-on" fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer
Gao, Yue1; Yan, Xiaolu1; Li, Meng1; Gao, Han1; Sun, Jing2; Zhu, Shuyun1,2; Han, Shuang3; Jia, Li-Na1; Zhao, Xian-En1,2; Wang, Hua1
2018-02-14
发表期刊ANALYTICAL METHODS
卷号10期号:6页码:611-616
文章类型Article
摘要A novel turn-on fluorescent sensor for the detection of ascorbic acid (AA) has been developed based on the fluorescence resonance energy transfer (FRET) between graphene quantum dots (GQDs) and squaric acid (SQA)-iron(III). In this assay, iron(III) can rapidly coordinate with the SQA to produce SQA-iron(III). The absorbance band of SQA-iron(III) could be largely overlapped with the emission band of GQDs, thus resulting in the fluorescence resonance energy transfer (FRET)-induced fluorescence quenching of GQDs. Moreover, the fluorescence of GQDs can be sensitively turned on by AA through the oxidation-reduction between iron(III) and AA. After the transformation of SQA-iron(III) to SQA-iron(II), because the absorbance of the solution reduces, the FRET decreases. This FRET-based nanosensor shows high selective and sensitive response in the concentration of AA ranging from 1.0 to 95 mM with the detection limit as lower as 200 nM, which is lower than that of other fluorescent assays. Finally, the proposed sensing system was successfully applied to the direct analysis of AA in the real samples with satisfactory results.
WOS标题词Science & Technology ; Physical Sciences ; Life Sciences & Biomedicine ; Technology
DOI10.1039/c7ay02828h
关键词[WOS]SELECTIVE DETECTION ; SENSING PLATFORM ; IN-VIVO ; FE III ; NANOPARTICLES ; PROBE ; IONS ; CHROMIUM(VI) ; EFFICIENCY ; NANOPROBE
收录类别SCI
语种英语
项目资助者National Natural Science Foundation of China(21405094 ; Open Funds of the State Key Laboratory of Electroanalytical Chemistry(SKLEAC201506) ; Natural Science Foundation of Qinghai Province of China(2016-ZJ-955) ; Development Project of Qinghai Key Laboratory(2017-ZJ-Y10) ; National Undergraduate Research Training Program(201610446033) ; Ministry of Education of Liaoning Province(L2016022) ; 21775088 ; 21675099 ; 21674066)
WOS研究方向Chemistry ; Food Science & Technology ; Spectroscopy
WOS类目Chemistry, Analytical ; Food Science & Technology ; Spectroscopy
WOS记录号WOS:000424767800006
引用统计
被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://210.75.249.4/handle/363003/13327
专题中国科学院西北高原生物研究所
作者单位1.Qufu Normal Univ, Coll Chem & Chem Engn, Inst Med & Mat Appl Technol, Qufu City 273165, Shandong, Peoples R China
2.Chinese Acad Sci, Northwest Inst Plateau Biol, Qinghai Key Lab Qinghai Tibet Plateau Biol Resour, Xining 810001, Qinghai, Peoples R China
3.Shenyang Univ Chem Technol, Coll Appl Chem, Shenyang 110142, Liaoning, Peoples R China
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Gao, Yue,Yan, Xiaolu,Li, Meng,et al. A "turn-on" fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer[J]. ANALYTICAL METHODS,2018,10(6):611-616.
APA Gao, Yue.,Yan, Xiaolu.,Li, Meng.,Gao, Han.,Sun, Jing.,...&Wang, Hua.(2018).A "turn-on" fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer.ANALYTICAL METHODS,10(6),611-616.
MLA Gao, Yue,et al."A "turn-on" fluorescence sensor for ascorbic acid based on graphene quantum dots via fluorescence resonance energy transfer".ANALYTICAL METHODS 10.6(2018):611-616.
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