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生物膜在自然界无处不在,但生物膜造成的腐蚀却基本上被忽视.本文展示了几种化学和微生物学新方法在海水微生物腐蚀研究中的应用.原子力显微镜用来揭示生物最初形成的机理和钢在受污染海水中的腐蚀程度,16SrDNA/RNA技术则用来分析生物膜中的微生物组成.试验结果表明,微生物腐蚀在6d内就已经开始了,腐蚀体积与时间的2.83次方成正比;腐蚀生物膜中的微生物以硫酸还原菌(脱硫弧菌科)为最多,其次是梭状芽孢杆菌.
Biofilms are ubiquitous in nature, but the corrosion caused by biomembranes is largely ignored. This article shows the application of several new chemical and microbiological methods in the study of marine microbial corrosion. Atomic force microscopy is used to reveal the mechanism by which organisms initially form And steel corrosion in contaminated seawater, 16SrDNA / RNA technology is used to analyze the composition of microorganisms in the biofilm test results show that microbial corrosion has begun within 6d, the corrosion volume and the time is proportional to 2.83 The microorganisms in the biofilm were sulfate-reducing bacteria (desulfovibrio), followed by Clostridium.