Graphene quantum dots combined with copper(II) ions as a fluorescent probe for turn-on detection of sulfide ions

doi:10.1007/s00604-015-1548-y

	Graphene quantum dots combined with copper(II) ions as a fluorescent probe for turn-on detection of sulfide ions
	Yu, NX; Peng, HL; Xiong, H; Wu, XQ; Wang, XY; Li, YB; Chen, LX; Xiong, H (reprint author), Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Peoples R China. [email protected]; [email protected]
发表期刊	MICROCHIMICA ACTA
ISSN	0026-3672
	2015-10-01
卷号	182 期号:13-14 页码:2139-2146
关键词	Graphene Quantumdots Copper(Ii) Ions Fluorescent Probe Sulfide Ions Quenching Fluorescence Recovery
DOI	10.1007/s00604-015-1548-y
产权排序	[Yu, Ningxiang; Peng, Hailong; Xiong, Hua] Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Peoples R China; [Wu, Xiaqing; Wang, Xiaoyan; Chen, Lingxin] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China; [Li, Yanbin] Zhejiang Univ, Coll Biosyst Engn & Food Sci, Hangzhou 310058, Zhejiang, Peoples R China; [Li, Yanbin] Univ Arkansas, Dept Biol & Agr Engn, Fayetteville, AR 72701 USA
作者部门	中科院海岸带环境过程与生态修复重点实验室
英文摘要	A fluorescent probe for the sensitive and selective determination of sulfide ions is presented. It is based on the use of graphene quantum dots (GQDs) which emit strong and stable blue fluorescence even at high ionic strength. Copper(II) ions cause aggregation of the GQDs and thereby quench fluorescence. The GQDs-Cu(II) aggregates can be dissociated by adding sulfide ions, and this results in fluorescence turn on. The change of fluorescence intensity is proportional to the concentration of sulfide ions. Under optimal conditions, the increase in fluorescence intensity on addition of sulfide ions is linearly related (r (2) = 0.9943) to the concentration of sulfide ions in the range from 0.20 to 20 mu M, and the limit of detection is 0.10 mu M (at 3 sigma/s). The fluorescent probe is highly selective for sulfide ions over some potentially interfering ions. The method was successfully applied to the determination of sulfide ions in real water samples and gave recoveries between 103.0 and 113.0 %.
文章类型	Article
收录类别	SCI
语种	英语
关键词[WOS]	HYDROGEN-SULFIDE ; AQUEOUS-MEDIA ; PHOTOVOLTAIC DEVICES ; COLORIMETRIC PROBE ; WATER ; NANOPARTICLES ; CARBON ; ANION
研究领域[WOS]	Chemistry
WOS记录号	WOS:000361394900006
引用统计	被引频次：55[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.yic.ac.cn/handle/133337/9995
专题	中国科学院海岸带环境过程与生态修复重点实验室
通讯作者	Xiong, H (reprint author), Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Peoples R China. [email protected]; [email protected]
推荐引用方式 GB/T 7714	Yu, NX,Peng, HL,Xiong, H,et al. Graphene quantum dots combined with copper(II) ions as a fluorescent probe for turn-on detection of sulfide ions[J]. MICROCHIMICA ACTA,2015,182(13-14):2139-2146.
APA	Yu, NX.,Peng, HL.,Xiong, H.,Wu, XQ.,Wang, XY.,[email protected].(2015).Graphene quantum dots combined with copper(II) ions as a fluorescent probe for turn-on detection of sulfide ions.MICROCHIMICA ACTA,182(13-14),2139-2146.
MLA	Yu, NX,et al."Graphene quantum dots combined with copper(II) ions as a fluorescent probe for turn-on detection of sulfide ions".MICROCHIMICA ACTA 182.13-14(2015):2139-2146.

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