Behavior of PQQ glucose dehydrogenase on Prussian blue-modified carbon electrode

Laurinavicius V; Kurtinaitiene B; Stankeviciute R

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Behavior of PQQ glucose dehydrogenase on Prussian blue-modified carbon electrode

机译：PQQ葡萄糖脱氢酶在普鲁士蓝修饰碳电极上的行为

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Glucose sensitive biosensor containing pyrroloquinoline quinone (PQQ)-dependent glucose dehydrogenase immobilized on Prussian blue (PB)-modified graphite electrode was designed. Properties of the biosensor were investigated in the cathodic and anodic response detection regions. It was shown, that anodic response of the biosensor is sum of two signals: direct electron transport from reduced PQQ to the electrode and by formation of the PQQ-oxygen-PB-carbon ternary complex. Cathodic response of the biosensor is based on the oxidation of the reduced PQQ by PB-oxygen-PB complex. Electrochemical regeneration of the enzyme does not produce free hydrogen peroxide.

机译：设计了一种葡萄糖敏感的生物传感器，该传感器包含固定在普鲁士蓝（PB）修饰的石墨电极上的吡咯并喹啉醌（PQQ）依赖性葡萄糖脱氢酶。在阴极和阳极响应检测区域中研究了生物传感器的特性。结果表明，生物传感器的阳极响应是两个信号的总和：直接电子从还原的PQQ传递到电极，以及通过形成PQQ-氧-PB-碳三元复合物。生物传感器的阴极响应基于还原的PQQ被PB-氧-PB络合物氧化的结果。酶的电化学再生不会产生游离的过氧化氢。

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来源
《Electroanalysis》 |2008年第13期|共5页
作者
Laurinavicius V; Kurtinaitiene B; Stankeviciute R;
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正文语种 eng
中图分类电化学、电解、磁化学;
关键词
PQQ-dependent glucose dehydrogenase; Prussian blue; bioelectrocatalysis; biosensor; quinoproteins; AMPEROMETRIC BIOSENSORS; HYDROGEN-PEROXIDE; OPERATIONAL STABILITY; OXIDASES;

机译：PQQ依赖性葡萄糖脱氢酶;普鲁士蓝;生物电催化;生物传感器;喹啉蛋白;安培生物传感器;过氧化氢;操作稳定性;氧化酶;

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专利

1. Behavior of PQQ glucose dehydrogenase on Prussian blue-modified carbon electrode [J] . Laurinavicius V, Kurtinaitiene B, Stankeviciute R Electroanalysis . 2008,第13期

机译：PQQ葡萄糖脱氢酶在普鲁士蓝修饰碳电极上的行为
2. Glucose sensor based on nanostructured carbon electrode with immobilized PQQ-containing glucose dehydrogenase: Construction, experimental study and mathematical modeling [J] . Mantas Puida, Jurgita Dabulyt?-Bagdonavi?ien?, Feliksas Ivanauskas, Nonlinear Analysis : Modelling and Control . 2016,第5期

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3. Amperometric glucose biosensors based on layer-by-layer assembly of chitosan and glucose oxidase on the Prussian blue-modified gold electrode [J] . Yin B, Yuan R, Chai YQ, Biotechnology Letters . 2008,第2期

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4. Electrochemical behavior of gold nanoparticles modified nitrogen incorporated diamond-like carbon electrode and its application in glucose sensing [C] . Aiping Liu, Erjia Liu, Guocheng Yang, Nanoelectronics Conference (INEC), 2010 . 2010

机译：金纳米粒子修饰的掺氮类金刚石碳电极的电化学行为及其在葡萄糖传感中的应用
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Behavior of PQQ glucose dehydrogenase on Prussian blue-modified carbon electrode

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