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基于喹啉功能团的Zn2+荧光探针

Release Time:2019-03-10  Hits:

Indexed by: Journal Article

Date of Publication: 2008-12-15

Journal: 发光学报

Included Journals: CSCD、ISTIC、PKU、Scopus

Volume: 29

Issue: 6

Page Number: 1091-1095

ISSN: 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.

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