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
收藏
页码：614 / 618
页数：5
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