高等学校化学学报 ›› 2012, Vol. 33 ›› Issue (05): 1074.doi: 10.3969/j.issn.0251-0790.2012.05.038

• 高分子化学 • 上一篇    下一篇

基于荧光素的荧光纳米纤维的制备与表征

王恒国1,2, 刘大海1, 张朝群2, 李耀先2, 杨清彪2, 杜建时1,2   

  1. 1. 吉林大学中日联谊医院, 长春 130031;
    2. 吉林大学化学学院, 长春 130012
  • 收稿日期:2012-02-07 出版日期:2012-05-10 发布日期:2012-05-10
  • 作者简介:杜建时, 男, 博士, 教授, 主要从事纳米材料研究. E-mail: dujianshi3043@126.com

Preparation and Characterization of Fluorescent Nanofiber Based on Fluorescein

WANG Heng-Guo1,2, LIU Da-Hai1, ZHANG Chao-Qun2, LI Yao-Xian2, YANG Qing-Biao2, DU Jian-Shi1,2   

  1. 1. China-Japan Union Hospital of Jilin University, Changchun 130031, China;
    2. College of Chemistry, Jilin University, Changchun 130012, China
  • Received:2012-02-07 Online:2012-05-10 Published:2012-05-10

摘要: 以电纺聚丙烯腈(PAN)纳米纤维为起始物, 经乙二胺改性后, 再利用Mannich反应将荧光素共价连接于PAN纳米纤维薄膜表面. 用荧光光谱、 扫描电镜和红外光谱进行了结构表征. 结果表明, 利用荧光素对静电纺丝薄膜表面进行修饰, 获得了很强的荧光信号, 证明了方法的可行性.

关键词: 静电纺丝, 荧光素, 聚丙烯腈, 纳米纤维

Abstract: The novel fluorescent nanofiber films were synthesized by aminating available electrospun polyacrylonitrile nanofibers with ethylenediamine and then immobilizing fluorescein covalently through a Mannich reaction. The resulting fluorescent nanofibers have been confirmed by fluorescence spectra, field-emission scanning electron microscopy(FE-SEM) and Fourier transform infrared(FTIR) spectrum. Results show that the synthesized nanofibers exhibit strong fluorescence, which show fluorescein was immobilized covalently into the electrospun nanofiber films. Further modification of electrospun films with fluorescent molecules presents the possibility of practical sensing applications of the electrospun films.

Key words: Electrospinning, Fluorescein, Polyacrylonitrile, Nanofiber

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