A waste container is usually made of metal or plastic. These containers are made of polymers such as polypropylene (PP). Because of having a low production cost, PP has a broad range of applications. The use of antimicrobial PP which is a class of polymers with antibacterial activity has been continuously increased. This is due to the fact that the polymer materials can be easily surrounded by bacteria or fungi, which consequently results in the transmission of diseases and severe infections. Prevention of microbial colonization onto the polymeric surfaces can be fulfilled by adding active antimicrobial agent like silver nanoparticles into the polymers. Silver ions and its compounds are extremely lethal for a wide range of bacteria, whilst they show very low toxicity for human cells. It should be noted that the polymer-silver nanocomposite maintains its antibacterial effect, as if its antibacterial efficiency against a wide variety of bacteria has been widely reported.
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