期刊
POLYMERS
卷 11, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/polym11020377
关键词
Glucose oxidase; Gold nanoparticles; Polyaniline; Polymeric nanocomposites; Polymerization; Polypyrrole
资金
- European Regional Development Fund [01.2.2-LMT-K-718]
Several types of polyaniline (PANI) and polypyrrole (Ppy) nanocomposites with embedded glucose oxidase (GOx) and gold nanoparticles (AuNPs) were formed by enzymatic polymerization of corresponding monomers (aniline and pyrrole) in the presence of 6 and 13 nm diameter colloidal gold nanoparticles (AuNPs((6nm)) or AuNPs((13nm)), respectively) or chloroaurate ions (AuCl4-). Glucose oxidase in the presence of glucose generated H2O2, which acted as initiator of polymerization reaction. The influence of polymerization bulk composition and pH on the formation of PANI- and Ppy-based nanocomposites was investigated spectrophotometrically. The highest formation rate of PANI- and Ppy-based nanocomposites with embedded glucose oxidase and gold nanoparticles (PANI/AuNPs-GOx and Ppy/AuNPs-GOx, respectively) was observed in the solution of sodium acetate buffer, pH 6.0. It was determined that the presence of AuNPs or AuCl4- ions facilitate enzymatic polymerization of aniline and pyrrole.
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