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For thousands of years, silver has good safety record. It is famous to have natural healing properties and today it is used in purification processes as well. Additives with silver nanoparticle are used during dyeing as well as coating and do not change the original mechanical property of the textiles.
Researcher from NASA found out that microbes exist at 32KM away from earth and deep in 11KM in depth of sea. In last century, Scientists working in an underwater lab owned by the National Oceanic and Atmospheric Administration in 2008, already start to utilize fabrics, made from silver-coating thread. And this newly systhetic fabric have been proven to be effective against odor causing bacteria, fungus and other type of germs, and just like other fabric, it can be woven into wearable clothes, home bedding and other useful cloth material. Other than fabric, water purfication cartridges is one of the major application of silver ion antibacteria technology.
Metallic ions such as silver, zinc and copper serve as good antimicrobial agents with the diffusion of metallic ions into the fibers that provide biocidal activity. Silver nanoparticles and metal oxide nanoparticles like titanium dioxide, zinc oxide and copper oxide with their small size and larger surface area contribute to the antimicrobial activity by denaturation and oxidative stress to the microorganisms. Silver-resolved type of protection structure is not available yet.
