Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

Haibin Shi; Zhao Song; Jiadong Huang; Yu Yang; Zixia Zhao; Jun-ichi Anzai; Tetsuo Osa; Qiang Chen

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Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

机译：聚阳离子类型对通过逐层沉积技术制备的胆碱生物传感器的安培响应的影响

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A layer-by-layer deposition technique was employed for fabricating choline biosensors using chloline oxidase (ChOx) and polycations such as poly(ethyleneimine) (PEI) and poly(diallyldimethylammonium chloride) (PDDA). A platinum electrode was coated with ChOx/PEI or ChOx/PDDA thin film to prepare amperometric choline sensors. The amperometric response of the sensors depended significantly on the type of the polycations. The ChOx/PDDA film suppressed the permeation of choline, resulting in a lower response than that of the ChOx/PEI film-based sensors. The results were rationalized based on the different chemical structures of the polycationic materials.

机译：采用了逐层沉积技术，以使用胆碱氧化酶（ChOx）和聚阳离子（例如聚（乙烯亚胺）（PEI）和聚（二烯丙基二甲基氯化铵）（PDDA））制造胆碱生物传感器。用ChOx / PEI或ChOx / PDDA薄膜涂覆铂电极以制备安培胆碱传感器。传感器的安培响应很大程度上取决于聚阳离子的类型。 ChOx / PDDA膜抑制了胆碱的渗透，从而导致响应速度低于基于ChOx / PEI膜的传感器。根据聚阳离子材料的不同化学结构对结果进行了合理化。

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来源
《Materials science & engineering. C, Biomimetic and supramolecular systems》 |2005年第4期|p.433-435|共3页
作者
Haibin Shi; Zhao Song; Jiadong Huang; Yu Yang; Zixia Zhao; Jun-ichi Anzai; Tetsuo Osa; Qiang Chen;
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作者单位

College of Life Sciences, Nankai University, Tianjin, 300071, China;

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正文语种 eng
中图分类工程基础科学;生物化学;工程材料学;
关键词
choline oxidase; choline sensor; layer-by-layer deposition; PEI (poly(ethyleneimine)); PDDA (poly(diallyldimethylammonium chloride));

机译：胆碱氧化酶;胆碱传感器;逐层沉积;PEI（聚乙烯亚胺）;PDDA（聚二烯丙基二甲基氯化铵）;

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1. Effects of the type of polycation in the coating films prepared by a layer-by-layer deposition technique on the properties of amperometric choline sensors [J] . Haibin Shi, Zhao Song, Jiadong Huang, Sensors and Actuators. B, Chemical . 2005,第2期

机译：逐层沉积技术制备的涂膜中聚阳离子类型对安培胆碱传感器性能的影响
2. Amperometric choline biosensors prepared by layer-by-layer deposition of choline oxidase on the Prussian blue-modified platinum electrode [J] . Shi H, Yang Y, Huang JD, Talanta: The International Journal of Pure and Applied Analytical Chemistry . 2006,第4期

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3. Amperometric glucose biosensor prepared with biocompatible material and carbon nanotube by layer-by-layer self-assembly technique [J] . Yongjin Zou, Cuili Xiang, Lixian Sun, Electrochimica Acta . 2008,第12期

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机译：用于胆碱氧化酶检测胆碱和乳酸的安培生物传感器和乳酸氧化酶在微孔膜中的固定化

Effects of the type of polycation on the amperometric response of choline biosensors prepared by a layer-by-layer deposition technique

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