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A europium(III) complex as an efficient singlet oxygen luminescence probe
Song, Bo; Wang, Guilan; Tan, Mingqian; Yuan, Jingli; Yuan JL(袁景利); Yuan JL(袁景利)
刊名JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
2006-10-18
ISSN0002-7863
DOI10.1021/ja062990f
128期:41页:13442-13450
收录类别SCI ; IC
文章类型Article
部门归属1
项目归属101
产权排名1;1
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]TIME-RESOLVED FLUORESCENCE ; PEROXIDASE-CATALYZED OXIDATION ; DIELS-ALDER REACTIONS ; MOLECULAR-OXYGEN ; PHOTODYNAMIC THERAPY ; HYDROGEN-PEROXIDE ; LANTHANIDE COMPLEXES ; CHELATE ; GENERATION ; CELL
英文摘要A new europium(III) complex, [4'-(10-methyl-9-anthryl)-2,2': 6', 2"-terpyridine-6,6"-diyl] bis(methylenenitrilo) tetrakis(acetate)-Eu(3+), was designed and synthesized as a highly sensitive and selective time-gated luminescence probe for singlet oxygen ((1)O(2)). The new probe is highly water soluble with a large stability constant of similar to 10(21) and a wide pH available range (pH 3-10), and can specifically react with (1)O(2) to form its endoperoxide (EP-MTTA-Eu(3+)) with a high reaction rate constant at 10(10) M(-1) s(-1), accompanied by the remarkable increases of luminescence quantum yield from 0.90% to 13.8% and lifetime from 0.80 to 1.29 ms, respectively. The wide applicability of the probe was demonstrated by detection of (1)O(2) generated from a MoO(4)(2-)/H(2)O(2) system, a photosensitization system of 5,10,15,20-tetrakis(1-methyl-4-pyridinio)-porphyrin tetra(p-toluenesulfonate) (TMPyP), and a horseradish peroxidase catalyzed aerobic oxidation system of indole-3-acetic acid (IAA). In addition, it was found that the new probe could be easily transferred into living HeLa cells by incubation with TMPyP. A time-gated luminescence imaging technique that can fully eliminate the short-lived background fluorescence from TMPyP and cell components has been successfully developed for monitoring the time-dependent generation of (1)O(2) in living cells.
语种英语
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WOS记录号WOS:000241157600039
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被引频次:218[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/97917
专题中国科学院大连化学物理研究所
通讯作者Yuan JL(袁景利); Yuan JL(袁景利)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Dept Analyt Chem, Dalian 116023, Peoples R China
2.Dalian Univ Technol, State Key Lab Fine Chem, Dept Chem, Dalian 116012, Peoples R China
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GB/T 7714
Song, Bo,Wang, Guilan,Tan, Mingqian,et al. A europium(III) complex as an efficient singlet oxygen luminescence probe[J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,2006,128(41):13442-13450.
APA Song, Bo,Wang, Guilan,Tan, Mingqian,Yuan, Jingli,袁景利,&袁景利.(2006).A europium(III) complex as an efficient singlet oxygen luminescence probe.JOURNAL OF THE AMERICAN CHEMICAL SOCIETY,128(41),13442-13450.
MLA Song, Bo,et al."A europium(III) complex as an efficient singlet oxygen luminescence probe".JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 128.41(2006):13442-13450.
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