location: Current position: Home >> Scientific Research >> Paper Publications

基于喹啉功能团的Zn2+荧光探针

Hits:

Indexed by:期刊论文

Date of Publication:2008-12-15

Journal:发光学报

Included Journals:Scopus、PKU、ISTIC、CSCD

Volume:29

Issue:6

Page Number:1091-1095

ISSN No.:1000-7032

Key Words:荧光探针;Zn2+;喹啉;化学传感器

Abstract:合成了含有喹啉功能团的锌离子荧光探针,N′-(喹啉-2-亚甲基)-3-(-喹啉-2-亚甲基胺)苯甲酰肼(QQB),该探针与Zn2+结合后荧光发射光谱由405 nm 红移至 510 nm,且荧光强度增强,具有较高的检测灵敏度.生物体内含量较高的金属阳离子K+、Na+、Mg2+、Ca2+以及微量金属离子Mn2+、Co2+、Ni2+等对QQB-Zn2+的荧光强度无显著影响,表明QQB对锌离子具有较高的选择性.光谱滴定和ESI-MS谱表明QQB与Zn2+以1:1的化学计量比形成配合物.

Pre One:Conformational switching fluorescent chemodosimeter for the selective detection of silver(I) ions

Next One:A mixed-valence (Fe(II))(2)(Fe(III))(2) square for molecular expression of quantum cellular automata