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首页> 外文期刊>Materials science & engineering >A conductive polymer based electronic nose for early detection of Penicillium digitatum in post-harvest oranges
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A conductive polymer based electronic nose for early detection of Penicillium digitatum in post-harvest oranges

机译:基于导电聚合物的电子鼻,可早期检测收获后橘子中的青霉菌

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摘要

We describe the construction of an electronic nose, comprising four chemiresistive sensors formed by the deposition of thin conductive polymer films onto interdigitated electrodes, attached to a personal computer via a data acquisition board. This e-nose was used to detect biodeterioration of oranges colonized by Penicillium digitatum. Significant responses were obtained after only 24 h of incubation i.e. at an early stage of biodeterioration, enabling remedial measures to be taken in storage facilities and efficiently distinguishing between good and poor quality fruits,The instrument has a very low analysis time of 40 s.
机译:我们描述了一种电子鼻的构造,该电子鼻包括通过将导电高分子薄膜沉积到叉指电极上而形成的四个化学电阻传感器,并通过数据采集板连接到个人计算机。该电子鼻用于检测被指状青霉菌定殖的桔子的生物降解。孵化仅24小时即在生物恶化的早期阶段就获得了显着的响应,从而可以在存储设施中采取补救措施并有效地区分优质和劣质水果,该仪器的分析时间非常短,仅为40 s。

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