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首页> 外文会议>Electrochemical Society(ECS) Meeting;Symposium on Surface Treatments for Biomedical Applications; 20071007-12;20071007-12; Washington,DC(US);Washington,DC(US) >Coating of High Density Polyethylene (HDPE) with Silver Compounds and Their Antimicrobial Activity in vitro
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Coating of High Density Polyethylene (HDPE) with Silver Compounds and Their Antimicrobial Activity in vitro

机译：银化合物包覆高密度聚乙烯（HDPE）及其体外抗菌活性

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摘要

Antimicrobial activity of HDPE coated with Ag_7O_8NO_3, Ag_2O, Ag_2CO_3, Ag_2SO_4, etc. and their antimicrobial efficacy was investigated in comparison with commercially available materials containing silver and/or silver compounds. Both cidal and static activities of HDPE treated with silver compounds was investigated in vitro. For this purpose, gram positive organisms, e.g. Staphylococcus aureus, or gram negative organisms, e.g. Pseudomonas aeruginosa, or fungi, e.g. Candida albicans, were used. Samples prepared in this work have shown a strong antimicrobial activity against tested micro-organisms. The strong antimicrobial activity of silver oxysalt coated HDPE was attributed to the presence of higher oxidation states of silver ions e.g. Ag~(2+) and/or Ag~(3+). The results have clearly shown that the coated samples produced in the present work exhibited comparable or even better antimicrobial behaviour than commercially available samples which contained significantly higher levels of silver.
机译：与市售含银和/或银化合物的材料相比，研究了涂覆有Ag_7O_8NO_3，Ag_2O，Ag_2CO_3，Ag_2SO_4等的HDPE的抗菌活性及其抗菌功效。体外研究了用银化合物处理的HDPE的杀菌活性和静态活性。为此，革兰氏阳性生物例如金黄色葡萄球菌或革兰氏阴性生物，例如铜绿假单胞菌或真菌，例如使用白色念珠菌。这项工作中制备的样品对被测微生物表现出强大的抗菌活性。含银盐的HDPE的强抗菌活性归因于存在较高的银离子氧化态，例如高Ag〜（2+）和/或Ag〜（3+）。结果清楚地表明，与包含明显更高含量的银的市售样品相比，本工作中生产的涂层样品表现出可比甚至更好的抗菌性能。

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