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首页> 外文期刊>Electroanalysis >Electrochemical redundant microsensor arrays for glucose monitoring with patterned polymer films
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Electrochemical redundant microsensor arrays for glucose monitoring with patterned polymer films

机译：电化学冗余微传感器阵列，用于通过图案化聚合物膜监测葡萄糖

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摘要

Redundant microsensor arrays for glucose sensing were fabricated using photopolymerization of poly(ethylene glycol) diacrylate (PEG-DA) with 2-hydroxy-2-methyl phenyl-propanone as photoinitiator to encapsulate the enzyme Glucose oxidase. Silicon micro fabrication technologies were used to fabricate microelectrode sensor arrays on flexible polyimide sheets. These microarray sensors were individually addressable as observed using square-wave voltammetry. Redox polymer, poly [4-vinylpyridine Os(bipyridine)(2)Cl]-co-ethylamine, was first immobilized on the electrode surface and then glucose oxidase was entrapped in PEG-DA hydrogels. The redox polymer was found to exchange electrons with glucose oxidase in biocompatible PEG-DA hydrogels. ne entrapped glucose oxidase was found to respond linearly to glucose in solution (0 - 20 mM) as determined using square-wave voltammetry.
机译：葡萄糖感测的冗余微传感器阵列是使用聚（乙二醇）二丙烯酸酯（PEG-DA）与2-羟基-2-甲基苯基丙酮作为光引发剂进行光聚合以封装酶葡萄糖氧化酶而制造的。硅微制造技术用于在柔性聚酰亚胺片上制造微电极传感器阵列。如使用方波伏安法所观察到的，这些微阵列传感器可单独寻址。首先将氧化还原聚合物聚[4-乙烯基吡啶Os（联吡啶）（2）Cl]-共-乙胺固定在电极表面，然后将葡萄糖氧化酶截留在PEG-DA水凝胶中。发现氧化还原聚合物在生物相容性PEG-DA水凝胶中与葡萄糖氧化酶交换电子。使用方波伏安法测定，发现捕获的葡萄糖氧化酶对溶液中的葡萄糖（0-20 mM）线性响应。

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