Silver nanoparticles are nanoparticles of silver, i.e. silver particles of between 1 nm and 100 nm in size. A common form of silver that is used to treat infections is silver nitrate. Recent advancement in technology has introduced silver nanoparticles into the medical field. As studies of silver nanoparticles improve, several silver nanoparticles medical applications have been developed to help prevent the onset of infection and promote faster wound healing.
The coating of medical instruments is one recent silver nanoparticles medical application in study. A combination of the bacteriolytic action of lysozyme and biocidal activity of silver nanoparticles were synthesized together as a form of antimicrobial coating on medical instruments. These were applied to surfaces of stainless surgical steel blades and needles through an electrophoretic process. Bacterial cell destruction was reported on the areas where the surgical instruments coated with silver nanoparticles came in contact with. This means that the antibacterial properties of the silver nanoparticles were transferred to the surface where the surgical instruments came in contact with, while the same antibacterial properties were retained in the blades and needles.
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