Simultaneous and Sequential Synthesis of Polyaniline-g-poly(ethylene glycol) by Combination of Oxidative Polymerization and CuAAC Click Chemistry: A Water-Soluble Instant Response Glucose Biosensor Material

Tugrul Cem Bicak, Mindaugas Gicevičius, Tugba Ceren Gokoglan, Gorkem Yilmaz, Arunas Ramanavicius, Levent Toppare*, Yusuf Yagci

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22 Atıf (Scopus)

Özet

A novel approach for the in situ synthesis of conjugated polyaniline-poly(ethylene glycol) graft copolymer (PA-g-PEG) by the combination of oxidative polymerization and copper catalyzed azide-alkyne cycloaddition (CuAAC) click reaction is described. The method pertains to the reduction of the CuBr2 catalyst during the oxidative copolymerization of aniline and aminophenyl propargylether to Cu(I) species, which catalyze the CuAAC reaction between thus formed polyaniline with pendant alkyne groups and independently prepared azide functional PEG in both simultaneous and sequential manner. The obtained water-soluble PA-g-PEG was used for the construction of glucose biosensor by a simple one-step approach. Combined electrostatic polyanion-polycation and hydrogen bond interactions between PA-g-PEG and glucose oxidase provided a suitable immobilization matrix for the enzyme resulting in excellent analytical parameters. PA-g-PEG based glucose biosensor exhibited a remarkable response time, producing an instant signal upon addition of analyte, making this sensor an attractive alternative for the existing devices.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1824-1831
Sayfa sayısı8
DergiMacromolecules
Hacim50
Basın numarası5
DOI'lar
Yayın durumuYayınlandı - 14 Mar 2017

Bibliyografik not

Publisher Copyright:
© 2017 American Chemical Society.

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