Sulfide ions-induced release of biocides from a metal-phenolic supramolecular film fabricated on aluminum for inhibition of microbially influenced corrosion

Cai Haoyuan; Wang Peng; Chen Xiaotong; Wang Yu; Zhang Dun

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Sulfide ions-induced release of biocides from a metal-phenolic supramolecular film fabricated on aluminum for inhibition of microbially influenced corrosion

机译：硫化物离子诱导杀菌剂从铝制上制造的金属 - 酚醛分子膜释放，以抑制微血管影响的腐蚀

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摘要

Herein, we fabricate a novel metal-phenolic supramolecular film on aluminium, which can control release of loaded biocides when S2- concentration is higher than 10 mM or in sulfate reducing bacteria (SRB) environment with a long incubation period. The protection effect of the film on microbially influenced corrosion (MIC) induced by SRB is analyzed with fluorescence microscopy and electrochemical measurement. A novel microbiological corrosion protection mechanism is proposed based on its effective roles to suppress SRB settlement and insulate corrosive medium. The intelligent film maintains a longtime antibacterial behavior owing to its S2--responsive character, which enhances the microbiological corrosion resistance.

机译：在此，我们在铝上制造一种新型金属酚醛分子膜，当S2-浓度高于10mm或硫酸盐还原细菌（SRB）环境时，可以控制负载杀生物剂的释放。用荧光显微镜和电化学测量分析SRB诱导的微血管腐蚀（MIC）的保护作用。提出了一种新的微生物腐蚀保护机理，基于其有效作用来抑制SRB沉降和绝缘腐蚀培养基。由于其S2响应性，智能膜保持了长时间的抗菌性能，这提高了微生物耐腐蚀性。

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来源
《Corrosion science》 |2020年第5期|108534.1-108534.13|共13页
作者
Cai Haoyuan; Wang Peng; Chen Xiaotong; Wang Yu; Zhang Dun;
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作者单位

Chinese Acad Sci Inst Oceanol Key Lab Marine Environm Corros & Biofouling 7 Nanhai Rd Qingdao 266071 Peoples R China|Univ Chinese Acad Sci 19 Jia Yuquan Rd Beijing 100039 Peoples R China|Qingdao Natl Lab Marine Sci & Technol Open Studio Marine Corros & Protect 1 Wenhai Rd Qingdao 266237 Peoples R China|Chinese Acad Sci Ctr Ocean Mega Sci 7 Nanhai Rd Qingdao 266071 Peoples R China;

Chinese Acad Sci Inst Oceanol Key Lab Marine Environm Corros & Biofouling 7 Nanhai Rd Qingdao 266071 Peoples R China|Qingdao Natl Lab Marine Sci & Technol Open Studio Marine Corros & Protect 1 Wenhai Rd Qingdao 266237 Peoples R China|Chinese Acad Sci Ctr Ocean Mega Sci 7 Nanhai Rd Qingdao 266071 Peoples R China;

Chinese Acad Sci Inst Oceanol Key Lab Marine Environm Corros & Biofouling 7 Nanhai Rd Qingdao 266071 Peoples R China|Univ Chinese Acad Sci 19 Jia Yuquan Rd Beijing 100039 Peoples R China|Qingdao Natl Lab Marine Sci & Technol Open Studio Marine Corros & Protect 1 Wenhai Rd Qingdao 266237 Peoples R China|Chinese Acad Sci Ctr Ocean Mega Sci 7 Nanhai Rd Qingdao 266071 Peoples R China;

Chinese Acad Sci Inst Oceanol Key Lab Marine Environm Corros & Biofouling 7 Nanhai Rd Qingdao 266071 Peoples R China|Univ Chinese Acad Sci 19 Jia Yuquan Rd Beijing 100039 Peoples R China|Qingdao Natl Lab Marine Sci & Technol Open Studio Marine Corros & Protect 1 Wenhai Rd Qingdao 266237 Peoples R China|Chinese Acad Sci Ctr Ocean Mega Sci 7 Nanhai Rd Qingdao 266071 Peoples R China;

Chinese Acad Sci Inst Oceanol Key Lab Marine Environm Corros & Biofouling 7 Nanhai Rd Qingdao 266071 Peoples R China|Qingdao Natl Lab Marine Sci & Technol Open Studio Marine Corros & Protect 1 Wenhai Rd Qingdao 266237 Peoples R China|Chinese Acad Sci Ctr Ocean Mega Sci 7 Nanhai Rd Qingdao 266071 Peoples R China;

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正文语种 eng
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关键词
Aluminum; Sulfate reducing bacteria; Microbially influenced corrosion; Microbiological corrosion protection; S2--responsive;

机译：铝;硫酸盐还原细菌;微生物影响腐蚀;微生物腐蚀保护;S2 - 响应;

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机译：带有银纳米晶体的有机硅氧烷溶胶膜减少铝对微生物的腐蚀
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Sulfide ions-induced release of biocides from a metal-phenolic supramolecular film fabricated on aluminum for inhibition of microbially influenced corrosion

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