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首页> 外文期刊>Turkish journal of biology >Biofilm formation comparison of the SANIPACKING? cooling tower fill material against standard polypropylene fill material in a recirculating model water system
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Biofilm formation comparison of the SANIPACKING? cooling tower fill material against standard polypropylene fill material in a recirculating model water system

机译：SANIPACKING的生物膜形成比较？循环模型水系统中冷却塔填料与标准聚丙烯填料的对比

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摘要

Cooling towers are heat rejection systems that are used in some industrial applications, and they have the potential to develop infectious concentrations of Legionella pneumophila. SANIPACKING? cooling tower fill material and standard polypropylene fill material were compared in terms of biofilm formation potential and anti-Legionella activity within a 4-month period using a laboratory-scale recirculating water system. The recirculating water system was experimentally infected with a L. pneumophila standard strain (ATCC 33152) suspension and operated continuously until all experiments had been completed. Results showed that the L. pneumophila rapidly multiplied in a short time during the study within the model system bulk water. No L. pneumophila was isolated from the SANIPACKING? surface during the 4-month period, whereas intensive colonization occurred on the standard polypropylene material surface in the first month. Heterotrophic bacterial counts on the surfaces showed that a significantly low accumulation was recorded on the SANIPACKING? surface in comparison to the standard polypropylene material. Total bacterial counts on surfaces, determined by epifluorescence microscopy (using DAPI), revealed that significantly low counts of microorganisms colonized on the SANIPACKING? surface.
机译：冷却塔是在某些工业应用中使用的排热系统，它们具有产生感染性军团菌浓度的潜力。 SANIPACKING？使用实验室规模的循环水系统，比较了冷却塔填充材料和标准聚丙烯填充材料在4个月内的生物膜形成潜力和抗军团菌活性。循环水系统在实验上感染了嗜肺乳杆菌标准菌株（ATCC 33152）悬浮液，并连续运行直到所有实验完成。结果表明，在模型系统大量水中的研究过程中，嗜肺乳杆菌在短时间内迅速繁殖。没有从SANIPACKING中分离出嗜肺乳杆菌吗？在4个月的时间内，其表面出现了集落，而在第一个月的标准聚丙烯材料表面上发生了强烈的定植。表面的异养细菌计数表明，在SANIPACKING？上记录到了极低的积累。表面与标准聚丙烯材料相比。通过落射荧光显微镜（使用DAPI）测定的表面细菌总数表明，在SANIPACKING？上定殖的微生物数量极低。表面。

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