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题名: A Chromone-Derived Schiff-Base Ligand as Al3+ "Turn on" Fluorescent Sensor: Synthesis and Spectroscopic Properties
其他题名: A Chromone-Derived Schiff-Base Ligand as Al3+"turn on" Fluorescent Sensor: Synthesis and Spectroscopic Properties
作者: Li, CR; Qin, JC; Wang, BD(汪宝堆); Fan, L; Yan, J; Yang, ZY(杨正银)
收录类别: SCIE ; EI ; MEDLINE
出版日期: 2016-01
刊名: JOURNAL OF FLUORESCENCE
卷号: 26, 期号:1, 页码:345-353
英文摘要: In this study, a novel chromone-derived Schiff-base ligand called 6-Hydroxy-3-formylchromone (2'-furan formyl) hydrazone (HCFH) has been designed and synthesized as a "turn on" fluorescent sensor for Al3+. This sensor HCFH showed high selectivity and sensitivity towards Al3+ over other metal ions investigated, and most metal ions had nearly no influences on the fluorescence response of HCFH to Al3+. Additionally, the significant enhancement by about 171-fold in fluorescence emission intensity at 502 nm was observed in the presence of Al3+ in ethanol, and it was due to the chelation-enhanced fluorescence (CHEF) effect upon complexation of HCFH with Al3+ which inhibited the photoinduced electron transfer (PET) phenomenon from the Schiff-base nitrogen atom to chromone group. Moreover, this sensor formed a 1 : 1 complex with Al3+ and the fluorescence response of HCFH to Al3+ was nearly completed within 1 min. Thus, this sensor HCFH could be used to detect and recognize Al3+ for real-time detection.
关键词: Chromone ; Fluorescent sensor ; Aluminum ion ; Real-time detection ; PET ; Chef
作者部门: [Li, Chao-rui ; Qin, Jing-can ; Wang, Bao-dui ; Fan, Long ; Yan, Jun ; Yang, Zheng-yin] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
通讯作者: Yang, ZY (reprint author), Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China.
学科分类: Biochemistry & Molecular Biology; Chemistry
文章类型: Article
所属项目编号: National Natural Science Foundation of China [81171337] ; Gansu NSF [1308RJZA115]
所属项目名称: 国家自然科学基金项目 ; 甘肃省自然科学基金计划
项目资助者: NSFC ; GSSTD
语种: 英语
DOI: 10.1007/s10895-015-1720-0
ISSN号: 1053-0509
WOS记录号: WOS:000367682200037
EI记录号: 20160201784559
PM记录号: 26545355
IR记录号: WOS:000367682200037
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/180278
Appears in Collections:化学化工学院_期刊论文

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Recommended Citation:
Li, CR,Qin, JC,Wang, BD,et al. A Chromone-Derived Schiff-Base Ligand as Al3+ "Turn on" Fluorescent Sensor: Synthesis and Spectroscopic Properties[J]. JOURNAL OF FLUORESCENCE,2016,26(1):345-353.
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