High selectivity of colorimetric detection of p-nitrophenol based on Ag nanoclusters

	High selectivity of colorimetric detection of p-nitrophenol based on Ag nanoclusters
	Qu, Fei 1,2; Chen, Ping 1,2; Zhu, Shuyun 1,2; You, Jinmao 1,2,3
刊名	spectrochimica acta part a-molecular and biomolecular spectroscopy
	2017-01-15
卷号	171 页码:449-453
关键词	Ag nanoclusters Polyethyleneimine Colorimetric detection P-nitrophenol
英文摘要	ag nanoclusters (ag ncs) templated by hyperbranched polyethyleneimine (pei) with different terminal groups and molecular weights had been developed as a special optical sensor for detecting p-nitrophenol (p-np). when adding p-np into ag ncs, an obvious color change from pale yellow to deep yellow could be observed by naked eyes, accompanying with an apparent red-shift of absorption peak, and the reason was attributed to the formation of oxygen anion of p-np based on the transfer of h+ from p-np to amine groups of pei. the molecular weights of template would greatly affect the sensitivity of p-np. ag ncs capped by pei terminated ethylenediamine (eda) possessed better sensitivity than other ag ncs, showing good linear range from 5 to 140 mu m with the limit of detection as low as 1.28 mu m. most importantly, this present system displayed high selectivity toward p-np even in the presence of other nitrophenols and nitrotoluenes. this reliable method had been successfully applied for the detection of p-np in real water and soil samples. (c) 2016 elsevier b.v. all rights reserved.
WOS标题词	science & technology ; technology
类目[WOS]	spectroscopy
研究领域[WOS]	spectroscopy
关键词[WOS]	quantum dots ; picric acid ; luminescent probe ; 2,4,6-trinitrophenol ; ion ; polyethyleneimine ; nitroaromatics ; reduction ; samples ; sensor
收录类别	SCI
语种	英语
WOS记录号	WOS:000385601300057
内容类型	期刊论文
源URL	[http://ir.nwipb.ac.cn/handle/363003/6414]
专题	西北高原生物研究所_中国科学院西北高原生物研究所
作者单位	1.Qufu Normal Univ, Key Lab Life Organ Anal, Qufu 273165, Shandong, Peoples R China 2.Qufu Normal Univ, Key Lab Pharmaceut Intermediates & Anal Nat Med, Qufu 273165, Shandong, Peoples R China 3.Chinese Acad Sci, Northwest Inst Plateau Biol, Xining 810001, Peoples R China
推荐引用方式 GB/T 7714	Qu, Fei,Chen, Ping,Zhu, Shuyun,et al. High selectivity of colorimetric detection of p-nitrophenol based on Ag nanoclusters[J]. spectrochimica acta part a-molecular and biomolecular spectroscopy,2017,171:449-453.
APA	Qu, Fei,Chen, Ping,Zhu, Shuyun,&You, Jinmao.(2017).High selectivity of colorimetric detection of p-nitrophenol based on Ag nanoclusters.spectrochimica acta part a-molecular and biomolecular spectroscopy,171,449-453.
MLA	Qu, Fei,et al."High selectivity of colorimetric detection of p-nitrophenol based on Ag nanoclusters".spectrochimica acta part a-molecular and biomolecular spectroscopy 171(2017):449-453.