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A novel point-of-use water treatment method by antimicrobial nanosilver textile material.

Journal of water and health (2014-12-05)
Hongjun Liu, Xiaosheng Tang, Qishan Liu
ABSTRACT

Pathogenic bacteria are one of the main reasons for worldwide water-borne disease causing a big threat to public health, hence there is an urgent need to develop cost-effective water treatment technologies. Nano-materials in point-of-use systems have recently attracted considerable research and commercial interests as they can overcome the drawbacks of traditional water treatment techniques. We have developed a new point-of-use water disinfection kit with nanosilver textile material. The silver nanoparticles were in-situ generated and immobilized onto cotton textile, followed by fixing to a plastic tube to make a water disinfection kit. By soaking and stirring the kit in water, pathogenic bacteria have been killed within minutes. The silver leaching from the kit was insignificant, with values <100 ppb - the current US EPA and WHO limit for silver level in drinking water. Herein, the nanosilver textile water disinfection kit could be a new, efficient and cost-effective point-of-use water treatment method for rural areas and emergency preparedness.

MATERIALS
Product Number
Brand
Product Description

Silver, foil, 10mm disks, thickness 0.1mm, as rolled, 99.95+%
Silver, foil, 10mm disks, thickness 0.006mm, 99.97%
Silver, foil, not light tested, 100x100mm, thickness 0.004mm, 99.97%
Silver, foil, light tested, 250x300mm, thickness 0.025mm, annealed, 99.95+%
Silver, foil, not light tested, 100x100mm, thickness 0.02mm, 99.97%
Silver, foil, light tested, 25x25mm, thickness 0.075mm, as rolled, 99.95+%
Silver, foil, light tested, 25x25mm, thickness 0.008mm, 99.97%
Silver, foil, not light tested, 100x100mm, thickness 0.015mm, 99.97%
Silver, foil, light tested, 300x300mm, thickness 0.05mm, annealed, 99.95+%
Silver, foil, light tested, 300x300mm, thickness 0.025mm, annealed, 99.95+%
Silver, foil, not light tested, 100x100mm, thickness 0.002mm, 99.97%
Silver, foil, light tested, 25x25mm, thickness 0.025mm, as rolled, 99.95+%
Silver, foil, not light tested, 25x25mm, thickness 0.007mm, 99.97%
Silver, insulated wire, 10m, conductor diameter 0.125mm, insulation thickness 0.0125mm, polyester insulation, 99.99%
Silver, insulated wire, 10m, conductor diameter 0.125mm, insulation thickness 0.0125mm, polyimide insulation, 99.9%
Silver, insulated wire, 20m, conductor diameter 0.025mm, insulation thickness 0.005mm, polyester insulation, 99.99%
Silver, insulated wire, 10m, conductor diameter 0.025mm, insulation thickness 0.005mm, polyester insulation, 99.99%
Silver, foil, not light tested, 50x50mm, thickness 0.00075mm, temporary acrylic support, 99.97%
Silver, insulated wire, 20m, conductor diameter 0.25mm, insulation thickness 0.023mm, polyester insulation, 99.99%
Silver, insulated wire, 10m, conductor diameter 0.25mm, insulation thickness 0.023mm, polyester insulation, 99.99%
Silver, insulated wire, 2m, conductor diameter 0.25mm, insulation thickness 0.023mm, polyester insulation, 99.99%
Silver, insulated wire, 20m, conductor diameter 0.125mm, insulation thickness 0.0125mm, polyester insulation, 99.99%
Silver, insulated wire, 50m, conductor diameter 0.25mm, insulation thickness 0.023mm, polyester insulation, 99.99%
Silver, foil, not light tested, 50x50mm, thickness 0.025mm, as rolled, 99.95+%
Silver, insulated wire, 50m, conductor diameter 0.125mm, insulation thickness 0.015mm, PTFE (polytetrafluoroethylene) insulation, 99.99%
Silver, insulated wire, 5m, conductor diameter 0.25mm, insulation thickness 0.005mm, polyurethane insulation, 99.99%
Silver, insulated wire, 20m, conductor diameter 0.05mm, insulation thickness 0.0075mm, polyester insulation, 99.99%
Silver, insulated wire, 10m, conductor diameter 0.25mm, insulation thickness 0.015mm, epoxy insulation, 99.99%
Silver, insulated wire, 20m, conductor diameter 0.125mm, insulation thickness 0.015mm, PTFE (polytetrafluoroethylene) insulation, 99.99%
Silver, insulated wire, 50m, conductor diameter 0.125mm, insulation thickness 0.0125mm, polyester insulation, 99.99%