A new colorimetric and fluorimetric sensor for metal cations based on poly(propilene amine) dendrimer modified with 1,8-naphthalimide

被引：20

作者：

Grabchev, Ivo ^{[1
]}

Bosch, Paula ^{[2
]}

McKenna, Mark ^{[2
]}

Staneva, D. ^{[3
]}

机构：

[1] Bulgarian Acad Sci, Inst Polymer, BU-1113 Sofia, Bulgaria

[2] CSIC, Inst Sci & Technol Polymers, E-28006 Madrid, Spain

[3] Bulgarian Acad Sci, Ctr Phytochem, Inst Organ Chem, BU-1113 Sofia, Bulgaria

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2009年 / 201卷 / 01期

关键词：

poly(propylene amine); Dendrimer; Sensors; 1,8-Naphthalimide; Fluorescence; POLY(AMIDOAMINE); PHOTODEGRADATION; DERIVATIVES; SOLVENT; UNITS;

D O I：

10.1016/j.jphotochem.2008.10.008

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new fluorescent first generation poly(propylene amine) dendrimer (PPI), peripherally modified with 4(butylamino-substituted-1,8-naphthalimide), has been synthesized and characterized. Its photophysical characteristics in organic solvents of different polarities were studied, and the influence of sodium hydroxide on its spectral characteristics in N,N-dimethylformamide is discussed. The complexes formed between the dendrimer and metal cations in solution have been studied with regard to the potential applications of the new dendrimer as a colorimetric and fluorescent sensor for metal ions. The fluorescence intensity of the dendrimer in the presence of metal cations (Zn2+, Co2+, Pb2+, Mn2+, Cu2+ and Fe3+) increases substantially revealing its sensor potential. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：75 / 80

页数：6

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