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学科主题: 物理化学
题名: Fluorescent switch for fast and selective detection of mercury (II) ions in vitro and in living cells and a simple device for its removal
作者: Yuan, Yue1;  Jiang, Shenlong3;  Miao, Qingqing1;  Zhang, Jia3;  Wang, Mengjing1;  An, Linna1;  Cao, Qinjingwen1;  Guan, Yafeng2;  Zhang, Qun3;  Liang, Gaolin1
通讯作者: QunZhang ;  GaolinLiang
关键词: Mercury (II) detection ;  Fluorescence switch ;  Selectivity ;  Cell imaging ;  Mercury (II) removal
刊名: TALANTA
发表日期: 2014-07-01
DOI: 10.1016/j.talanta.2014.02.063
卷: 125, 期:1, 页:204-209
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical
研究领域[WOS]: Chemistry
英文摘要: A water-soluble, biocompatible, and fluorescent chemosensor (1) for label-free, simple, and fast detection of mercury ions (Hg2+) in aqueous solutions and in HepG2 cells with high selectivity is reported herein. Chelation of 1 with Hg2+ results in the disappearance of its fluorescence emission at 350 nm and the appearance of a new emission at 405 nm. Selectivity and interference studies indicated that I could be selectively chelated by Hg2+ without interference from other metal ions. Insight into the mechanisms responsible for its fluorescence effect was gained from ultrafast transient absorption spectroscopy. With these properties, 1 was successfully applied for imaging Hg2+ in living cells and for removing Hg2+ from river water. Moreover, we also constructed a simple device for fast and effective removal of Hg2+ from contaminated liquid samples. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: AQUEOUS-SOLUTION ;  PROBE ;  SPECTROMETRY ;  METHYLMERCURY ;  NANOPARTICLES ;  LUMINESCENCE ;  COMPLEXES ;  TOXICITY ;  STATE ;  WATER
语种: 英语
WOS记录号: WOS:000336872200028
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/144140
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Univ Sci & Technol China, Dept Chem Phys, CAS Key Lab Soft Matter Chem, Hefei 230026, Anhui, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Key Lab Separat Sci Analyt Chem, Dalian 116023, Peoples R China
3.Univ Sci & Technol China, Dept Chem Phys, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China

Recommended Citation:
Yuan, Yue,Jiang, Shenlong,Miao, Qingqing,et al. Fluorescent switch for fast and selective detection of mercury (II) ions in vitro and in living cells and a simple device for its removal[J]. TALANTA,2014,125(1):204-209.
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