Formation of Polyaniline and Polypyrrole Nanocomposites with Embedded Glucose Oxidase and Gold Nanoparticles

被引：58
作者：
German, Natalija [1 ,2 ]
Ramanaviciene, Almira [3 ]
Ramanavicius, Arunas [2 ,4 ]
机构：
[1] State Res Inst Ctr Innovat Med, Dept Immunol, Santariskiu 5, LT-08406 Vilnius, Lithuania
[2] Vilnius Univ, Fac Chem & Geosci, Dept Phys Chem, Naugarduko 24, LT-03225 Vilnius, Lithuania
[3] Vilnius Univ, Fac Chem & Geosci, NanoTechnas Ctr Nanotechnol & Mat Sci, Naugarduko 24, LT-03225 Vilnius, Lithuania
[4] State Sci Res Inst Ctr Phys Sci & Technol, Div Mat Sci & Elect, Savanoriu Ave 231, LT-02300 Vilnius, Lithuania
来源：
POLYMERS | 2019年 / 11卷 / 02期
关键词：
Glucose oxidase; Gold nanoparticles; Polyaniline; Polymeric nanocomposites; Polymerization; Polypyrrole; CONDUCTING POLYMERS; REDOX ENZYME; ANILINE; POLYMERIZATION; OXIDATION;
D O I：
10.3390/polym11020377
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
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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页数：13
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