黄花蒿抑制铜绿假单胞菌存在下受微生物影响的铝合金 5083 的腐蚀

IF 4.1 3区化学 Q1 CHEMISTRY, ANALYTICAL

Journal of Electroanalytical Chemistry Pub Date : 2024-10-18 DOI:10.1016/j.jelechem.2024.118727

Gloria Zlatić , Ivana Martinović , Zora Pilić , Janez Kovač , Stipe Čelan

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引用次数: 0

摘要

A. annua 水提取物（AAE2）抑制了铜绿微囊藻对 Al 5083 的微生物腐蚀（MIC1）。电化学测量结果表明，在模拟海洋环境中，AAE 在电极表面的吸附保护了 Al 5083 免受 MIC 的腐蚀，其抑制效率为 78%。吸附层的形成是由于电离的绿原酸与带电的 Al 5083 表面相互作用，阻止了细菌的粘附和生长。添加 AAE 可促进保护性 Al2O3 的形成，并降低表面层的孔隙率。在生物海水中添加 AAE 后，点蚀现象大大减少，这与 ICP-OES 的结果相吻合。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Inhibition of microbiologically influenced corrosion of Al alloy 5083 in the presence of Pseudomonas aeruginosa by Artemisia annua L

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Inhibition of microbiologically influenced corrosion of Al alloy 5083 in the presence of Pseudomonas aeruginosa by Artemisia annua L

Microbiologically influenced corrosion (MIC¹) of Al 5083 caused by P. aeruginosa was inhibited by A. annua aqueous extract (AAE²). Electrochemical measurements revealed that the adsorption of AAE on the electrode surface protected Al 5083 from MIC in a simulated marine environment with inhibition efficiency of 78 %. The adsorption layer was formed due to ionized chlorogenic acid interacting with charged Al 5083 surface, preventing bacterial adhesion and growth. Adding AAE promoted the formation of a protective Al₂O₃, and decreased the surface layer porosity. The pitting corrosion reduced considerably when AAE was added to biotic seawater, supporting the ICP-OES results.

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来源期刊

Journal of Electroanalytical Chemistry 化学-电化学

CiteScore

7.80

自引率

6.70%

发文量

912

审稿时长

2.4 months

期刊介绍： The Journal of Electroanalytical Chemistry is the foremost international journal devoted to the interdisciplinary subject of electrochemistry in all its aspects, theoretical as well as applied. Electrochemistry is a wide ranging area that is in a state of continuous evolution. Rather than compiling a long list of topics covered by the Journal, the editors would like to draw particular attention to the key issues of novelty, topicality and quality. Papers should present new and interesting electrochemical science in a way that is accessible to the reader. The presentation and discussion should be at a level that is consistent with the international status of the Journal. Reports describing the application of well-established techniques to problems that are essentially technical will not be accepted. Similarly, papers that report observations but fail to provide adequate interpretation will be rejected by the Editors. Papers dealing with technical electrochemistry should be submitted to other specialist journals unless the authors can show that their work provides substantially new insights into electrochemical processes.