一种新型高选择性检测镁离子的荧光增强型探针

李娜, 向宇, 童爱军. 一种新型高选择性检测镁离子的荧光增强型探针[J]. 环境化学, 2011, 30(1): 357-361.
引用本文: 李娜, 向宇, 童爱军. 一种新型高选择性检测镁离子的荧光增强型探针[J]. 环境化学, 2011, 30(1): 357-361.
LI Na, XIANG Yu, TONG Aijun. A HIGHLY SELECTIVE CHEMOSENSOR FOR MAGNESIUM BY FLUORESCENCE ENHANCEMENT[J]. Environmental Chemistry, 2011, 30(1): 357-361.
Citation: LI Na, XIANG Yu, TONG Aijun. A HIGHLY SELECTIVE CHEMOSENSOR FOR MAGNESIUM BY FLUORESCENCE ENHANCEMENT[J]. Environmental Chemistry, 2011, 30(1): 357-361.

一种新型高选择性检测镁离子的荧光增强型探针

  • 基金项目:

    国家自然科学基金项目(20875054和90813014)资助.

A HIGHLY SELECTIVE CHEMOSENSOR FOR MAGNESIUM BY FLUORESCENCE ENHANCEMENT

  • Fund Project:
  • 摘要: 合成了一种新的镁离子荧光探针1(α-(喹啉-8-氧基)-乙酰水杨醛腙)(α-(quinolin-8-yloxy)-acetyl salicyl hydrazone).探针1的乙醇溶液只发非常微弱的荧光,加入镁离子后在400—500 nm的波长范围可以观察到65倍的荧光增强,而加入其它碱金属或碱土金属离子则不会引起荧光光谱的显著变化.经测定探针1与镁离子以1:1的比例络合,结合常数可以达到1.7×107(mol·L-1)-1.
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出版历程
  • 收稿日期:  2010-03-17
  • 刊出日期:  2011-01-15
李娜, 向宇, 童爱军. 一种新型高选择性检测镁离子的荧光增强型探针[J]. 环境化学, 2011, 30(1): 357-361.
引用本文: 李娜, 向宇, 童爱军. 一种新型高选择性检测镁离子的荧光增强型探针[J]. 环境化学, 2011, 30(1): 357-361.
LI Na, XIANG Yu, TONG Aijun. A HIGHLY SELECTIVE CHEMOSENSOR FOR MAGNESIUM BY FLUORESCENCE ENHANCEMENT[J]. Environmental Chemistry, 2011, 30(1): 357-361.
Citation: LI Na, XIANG Yu, TONG Aijun. A HIGHLY SELECTIVE CHEMOSENSOR FOR MAGNESIUM BY FLUORESCENCE ENHANCEMENT[J]. Environmental Chemistry, 2011, 30(1): 357-361.

一种新型高选择性检测镁离子的荧光增强型探针

  • 1. 清华大学化学系, 北京, 100084
基金项目:

国家自然科学基金项目(20875054和90813014)资助.

摘要: 合成了一种新的镁离子荧光探针1(α-(喹啉-8-氧基)-乙酰水杨醛腙)(α-(quinolin-8-yloxy)-acetyl salicyl hydrazone).探针1的乙醇溶液只发非常微弱的荧光,加入镁离子后在400—500 nm的波长范围可以观察到65倍的荧光增强,而加入其它碱金属或碱土金属离子则不会引起荧光光谱的显著变化.经测定探针1与镁离子以1:1的比例络合,结合常数可以达到1.7×107(mol·L-1)-1.

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