Two novel dyes containing spirobifluorene and triphenylamine: Synthesis, one- and two-photon excited fluorescence and applications as probes for silver ions, water and cell imaging

被引：32

作者：

Xiao, Haibo ^{[1
]}

Zhang, Yanzhen ^{[1
]}

Zhang, Wu ^{[1
]}

Li, Shaozhi ^{[1
]}

Xu, Ronghua ^{[1
]}

机构：

[1] Shanghai Normal Univ, Dept Chem, Shanghai 200234, Peoples R China

来源：

SENSORS AND ACTUATORS B-CHEMICAL | 2016年 / 233卷

基金：

上海市自然科学基金;

关键词：

Two-photon excited fluorescence; Probe; Silver ion; Cell imaging; Water content; STABILITY TRADE-OFF; ORGANIC-SOLVENTS; MERCURY ION; SENSOR; CHEMOSENSOR; ABSORPTION; COMPLEX; SERIES;

D O I：

10.1016/j.snb.2016.04.101

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Two fluorophores, SPF-TNS and SPF-TBB, with electron-rich triphenylamine groups and Ag+ receptor units on the respective biphenyl branches of 9,9'-spirobifluorene were synthesized. They exhibit strong one- and two-photon excited fluorescence, and the two-photon absorption cross-section values are 665 GM for SPF-TNS and 355GM for SPF-TBB. The probing behaviors toward metal ions were investigated via UVIVis absorption spectra as well as one-photon fluorescence changes. The results indicated that SPF-TNS and SPF-TBB exhibit distinct fluorescent quenching in the presence of silver ions that can be used for highly sensitive and selective naked-eye detection of Ag+ The one-photon excited fluorescence of SPF-TBB can be made to measure water content of organic solvents. The detection limits were calculated to be 0.04% for THE and 0.03% for 1,4-dioxane. The two-photon scanning microscopy experiments suggest that SPF-TNS is a promising label potentially applicable for the tracking of biomolecules. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：469 / 475

页数：7

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