A Sensitive Electrochemcial Impedance Spectroscopy Method for Detection of Polyimide Degradation by Microorganisms

Ji-Guang Gu; Shu-Pei Cheng; Jianhua Liu

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A Sensitive Electrochemcial Impedance Spectroscopy Method for Detection of Polyimide Degradation by Microorganisms

机译：灵敏的电化学阻抗谱法检测微生物降解聚酰亚胺的方法

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An electrochemical impedance spectroscopy (EIS) technique was evaluated for monitoring microbial degradation of electronic packaging polyimides. The microbial inoculum was a mixed culture of fungi isolated previously form deteriorated polyimides. The active fungal consortium comprised Aspergillus versicolor, Cladosporium cladosporioides, and a Chaetomium species. After inoculation, Fungal growth on the polyimides resulted in a distinctive EIS spectra indicative of polymer insulation Failure, which directly related to polymer integrity.

机译：评估了电化学阻抗谱（EIS）技术以监测电子包装聚酰亚胺的微生物降解。微生物接种物是真菌的混合培养物，该真菌的培养物先前分离为劣化的聚酰亚胺。活性真菌财团包括杂色曲霉，Cladosporium cladosporioides和Chaetomium物种。接种后，真菌在聚酰亚胺上的生长导致独特的EIS光谱表明聚合物绝缘失效，这直接与聚合物完整性有关。

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来源
《Journal of Polymers and the Environment》 |2000年第4期|p.167-174|共8页
作者
Ji-Guang Gu; Shu-Pei Cheng; Jianhua Liu;
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正文语种 eng
中图分类环境科学、安全科学;
关键词
Polyimides; electornic insulation; biodegradation; biodeterioration;

机译：聚酰亚胺;电子绝缘生物降解生物恶化;

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A Sensitive Electrochemcial Impedance Spectroscopy Method for Detection of Polyimide Degradation by Microorganisms

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