Science in China Series B: Chemistry

, Volume 52, Issue 6, pp 821–826 | Cite as

A hydrophilic fluorescent polymer containing naphthalimide moiety as chemosensor for microbioreactors

  • LiangJun Shen
  • WeiHong Zhu
  • XianLe Meng
  • ZhiQian Guo
  • He Tian
Article
First Online:
Received:
Accepted:

Abstract

A novel hydrophilic copolymer P(NI-HEMA) containing the pendant group of naphthalimide moiety has been prepared. In the aqueous buffer solution, its film on the glass substrate shows an obvious fluorescence change and excellent linear relevance in the pH range of 5.8–8.0. Specifically, using the isobestic point at 406 nm as excitation wavelength can avoid the UV irradiation and the tedious calibration process. The film stability and hydrophilicity of copolymer P(NI-HEMA) were studied. Because of the easy synthesis, low price and high linear relevance to pH, the hydrophilic chemosensor film of P(NI-HEMA) could be potentially applied as a low-cost pH indicator for high-throughput bioprocessing in microreactors.

Keywords

copolymer naphthalimide pH chemosensor hydrophilic 
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Copyright information

© Science in China Press and Springer-Verlag GmbH 2009

Authors and Affiliations

  • LiangJun Shen
    • 1
  • WeiHong Zhu
    • 1
  • XianLe Meng
    • 1
  • ZhiQian Guo
    • 1
  • He Tian
    • 1
  1. 1.Key Laboratory for Advanced Materials and Institute of Fine Chemicals (Ministry of Education)East China University of Science and TechnologyShanghaiChina

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