A novel pH-sensitive polymeric fluorescent probe: Synthesis, characterization and optical properties

被引：6

作者：

Chen, Dongyun ^{[1
]}

Xu, Qingfeng ^{[1
]}

Xia, Xuewei ^{[1
]}

Ge, Jianfeng ^{[1
]}

Lu, Jianmei ^{[1
]}

Li, Najun ^{[1
]}

机构：

[1] Soochow Univ, Coll Chem Chem Engn & Mat Sci, Key Lab Organ Synth Jiangsu Prov, Suzhou 215123, Jiangsu, Peoples R China

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2010年 / 120卷 / 2-3期

基金：

中国国家自然科学基金;

关键词：

Polymer; Chemical synthesis; Biomaterial; Optical properties; TRANSFER RADICAL POLYMERIZATION; SILICA NANOPARTICLES; ATRP; TEMPERATURE; POLY(N; N-DIMETHYLACRYLAMIDE); RNA;

D O I：

10.1016/j.matchemphys.2009.12.018

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel initiator containing proflavine derivative moiety, 3,6-dibromo-isobutyramide acridine (DIA), was synthesized and initiated the atom transfer radical polymerization (ATRP) of methyl methacrylate (MMA). A water-soluble monomer, N,N-dimethylacrylamide (DMAA) was also initiated by DIA for comparison. The obtained fluorescent polymers, PMMA-DIA and PDMAA-DIA, were characterized by H-1 NMR, GPC and TGA. The emission spectra of the fluorescent polymers exhibit obvious changes in color and fluorescence intensity along with pH varied in range of 3.0-9.0. In addition, the obtained polymers present good film-forming capacity and the films also have a high quantum yield and pH response. Both oil-soluble PMMA-DIA and water-soluble PDMAA-DIA have steady optical and chemical properties by containing proflavine moiety in the main chain. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：614 / 618

页数：5

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