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A super highly sensitive glucose biosensor based on Ag/PPy nanoparticle-ethyl cellulose hybrid materials

机译：基于Ag / PPy纳米粒子-乙基纤维素杂化材料的超高灵敏度葡萄糖生物传感器

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Ag/polypyrrole(PPy) composite nanoparticles within 100 to 150nm diameter were successfully synthesized. Fourier transform infrared spectroscopy(FTIR) and X-ray diffraction patterns(XRD) data suggested that the nanoparticles were composed of Ag and PPy. An amperometric glucose biosensor was fabricated by adsorbing of glucose oxidase(GOx) to an Ag/PPy nanoparticle-ethyl cellulose composite material modified platinum electrode. The biosensor exhibited a super highly sensitive response to the analyte with a detection limit of 1.0×10~(-7)mol/L. Moreover, the biosensor showed quick current response. The effects of some factors, such as working voltage, pH value , mensuration temperature and mass ratio of Ag/PPy nanoparticles to ethyl cellulose, were also studied.

机译：成功地合成了直径为100至150nm的Ag /聚吡咯（PPy）复合纳米粒子。傅里叶变换红外光谱（FTIR）和X射线衍射图谱（XRD）数据表明，纳米颗粒由Ag和PPy组成。通过将葡萄糖氧化酶（GOx）吸附到Ag / PPy纳米颗粒-乙基纤维素复合材料修饰的铂电极上，制得了安培型葡萄糖生物传感器。该生物传感器对分析物表现出超高灵敏度的响应，检出限为1.0×10〜（-7）mol / L。此外，生物传感器显示出快速的电流响应。还研究了工作电压，pH值，测定温度和Ag / PPy纳米粒子与乙基纤维素的质量比等因素的影响。

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来源
《Powder Technology and Application》|2008年|15-20|共6页
会议地点 Beijing(CN)
作者
Xiang-zhong Ren; Pei-xin Zhang; Jian-hong Liu; Qian-ling Zhang;
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作者单位

School of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, China;

School of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, China;

School of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, China;

School of Chemistry and Chemical Engineering, Shenzhen University, Shenzhen 518060, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类粉末技术;
关键词
Ag/PPy nanoparticles; biosensor; glucose oxidase; conducting powder;

机译：Ag / PPy纳米粒子；生物传感器葡萄糖氧化酶导电粉;

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A super highly sensitive glucose biosensor based on Ag/PPy nanoparticle-ethyl cellulose hybrid materials

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