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Silver as antibacterial agent: ion, nanoparticle, and metal.

Silver as antibacterial agent: ion, nanoparticle, and metal.

Angewandte Chemie (International ed. in English) (2012-12-21)

Svitlana Chernousova, Matthias Epple

ABSTRACT

The antibacterial action of silver is utilized in numerous consumer products and medical devices. Metallic silver, silver salts, and also silver nanoparticles are used for this purpose. The state of research on the effect of silver on bacteria, cells, and higher organisms is summarized. It can be concluded that the therapeutic window for silver is narrower than often assumed. However, the risks for humans and the environment are probably limited.

MATERIALS

Product Number

Brand

Product Description

Sigma-Aldrich

Silver nanowires, diam. × L 100 nm × 6 μm, 0.5% (isopropyl alcohol suspension)

Sigma-Aldrich

Silver nanowires, diam. × L 50 nm × 6 μm, 0.5% (isopropyl alcohol suspension)

Sigma-Aldrich

Silver, shot, 1-3 mm, ≥99.99% trace metals basis

Sigma-Aldrich

Silver, foil, thickness 1.0 mm, 99.99% trace metals basis

Sigma-Aldrich

Silver, nanopowder, <150 nm particle size, 99% trace metals basis

Sigma-Aldrich

Silver, colloidal, 65-75% Ag basis

Sigma-Aldrich

Silver, wire, diam. 0.1 mm, 99.9% trace metals basis

Sigma-Aldrich

Silver nanowires, diam. × L 200 nm × 10 μm, 0.5% (isopropyl alcohol suspension)

Sigma-Aldrich

Silver, conductive paste

Silver, foil, not light tested, 100x100mm, thickness 0.0125mm, 99.95+%

Silver, foil, 15mm disks, thickness 0.0125mm, 99.95+%

Silver, foil, 15mm disks, thickness 0.125mm, as rolled, 99.95+%

Silver, foil, 4mm disks, thickness 0.007mm, 99.97%

Silver, foil, 15mm disks, thickness 1.0mm, as rolled, 99.95+%

Silver, foil, 15mm disks, thickness 0.015mm, 99.97%

Silver, foil, 1m coil, thickness 0.0125mm, coil width 9mm, 99.95+%

Silver, foil, 1m coil, thickness 0.035mm, as rolled, 99.95+%

Silver, foil, 15mm disks, thickness 0.01mm, 99.95+%

Silver, foil, 1m coil, thickness 0.035mm, as rolled, 99.95+%

Silver, foil, 15mm disks, thickness 0.025mm, as rolled, 99.95+%

Silver, foil, 1m coil, thickness 0.05mm, annealed, 99.95+%

Silver, foil, 2m coil, thickness 0.025mm, as rolled, 99.95+%

Silver, foil, 1m coil, thickness 0.1mm, as rolled, 99.95+%

Silver, foil, 25mm disks, thickness 0.5mm, as rolled, 99.95+%

Silver, foil, 25mm disks, thickness 0.025mm, as rolled, 99.99+%

Silver, foil, 15mm disks, thickness 0.025mm, as rolled, 99.99+%

Silver, foil, 1m coil, thickness 0.05mm, as rolled, 99.95+%

Silver, foil, 50mm disks, thickness 0.05mm, as rolled, 99.95+%

Silver, foil, 15mm disks, thickness 0.20mm, as rolled, 99.95+%

Silver, foil, 15mm disks, thickness 0.007mm, 99.97%