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题名: A Lanthanide-Complex-Based Ratiometric Luminescent Probe Specific for Peroxynitrite
作者: Song, Cuihong1;  Ye, Zhiqiang2;  Wang, Guilan2;  Yuan, Jingli1, 2;  Guan, Yafeng1
关键词: analytical methods ;  cell imaging ;  lanthanides ;  luminescence ;  peroxynitrite
刊名: CHEMISTRY-A EUROPEAN JOURNAL
发表日期: 2010
DOI: 10.1002/chem.201000528
卷: 16, 期:22, 页:6464-6472
收录类别: SCI ;  IC
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A lanthanide-complex-based ratiometric luminescence probe specific for peroxynitrite (ONOO-), 4'-(2,4-dimethoxyphenyl)-2,2':6',2 ''-terpyridine- 6,6 ''-diyl]bis(methylenenitrilo)tetrakis-(acetate)-Eu3+/Tb3+ ([Eu3+/Tb3+ (DTTA)]), has been designed and synthesized. Both [Eu3+(DTTA)] and [Tb3+(DTTA)] are highly water soluble with large stability constants at approximate to 10(20), and strongly luminescent with luminescence quantum yields of 10.0 and 9.9%, respectively, and long luminescence lifetimes of 1.38 and 0.26 ms, respectively. It was found that the luminescence of [Tb3+(DTTA)] could be quenched by ONOO- rapidly and specifically in aqueous buffers, while that of [Eu3+(DTTA)] did not respond to the addition of ONOO-. Thus, by simply mixing [Eu3+(DTTA)] and [Tb3+(DTTA)] in an aqueous buffer, a ratiometric luminescence probe specific for time-gated luminescence detection of ONOO- was obtained. The performance of [Tb3+(DTTA).] and [Eu3+/Tb3+(DTTA)] as the probes for luminescence imaging detection of ONOO- in living cells was investigated. The results demonstrated the efficacy and advantages of the new ratiometric luminescence probe for highly sensitive luminescence bioimaging application.
关键词[WOS]: SINGLET OXYGEN ;  EXCITED-STATES ;  EUROPIUM ;  INDICATORS ;  OXIDATION ;  CHELATE ;  SENSOR ;  CELLS
语种: 英语
WOS记录号: WOS:000279445400010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142120
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.Chinese Acad Sci, Dalian Inst Chem Phys, Dept Instrumentat & Analyt Sci, Dalian 116023, Peoples R China
2.Dalian Univ Technol, Sch Chem, Dalian 116012, Peoples R China

Recommended Citation:
Song, Cuihong,Ye, Zhiqiang,Wang, Guilan,et al. A Lanthanide-Complex-Based Ratiometric Luminescent Probe Specific for Peroxynitrite[J]. CHEMISTRY-A EUROPEAN JOURNAL,2010,16(22):6464-6472.
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