The Efficacy of Silver is Fully Recognized
Silver (Ag) has been thought to improve wound healing and reduce instances of associated infections for many years. There are centuries-old records of silver being used in wound treatment, but the past two decades in particular have seen an increasing clinical application of silver-impregnated wound dressings and as such, have seen the number of research articles similarly increase. The majority of these articles focus on the positives and potential negatives (e.g. the toxicity of silver as a heavy metal) of using silver-impregnated dressings in the clinical management of wounds.
There is a litany of research and empirical data in the respected and established medical community supporting the efficacy of silver internally and topically as an antifungal and antimicrobial.
Whether it is a silver impregnated wound dressing or in solution having silver solutions in your kit, bag or closet is a necessity.
In a presentation named;”New Approach To Wound Healing May Be Easy On Skin, But Hard On Bacteria" to the American Chemical Society meeting, Ankit Agarwal, a postdoctoral researcher at the University of Wisconsin-Madison, described an experimental approach to wound healing that could take advantage of silver's anti-bacterial properties, while sidestepping the damage silver can cause to cells needed for healing.
Silver is widely used to prevent bacterial contamination in wound dressings, says Agarwal, "but these dressings deliver a very large load of silver, and that can kill a lot of cells in the wound."
Wound healing is a particular problem in diabetes, where poor blood supply that inhibits healing can require amputations, and also in burn wards. Agarwal says some burn surgeons avoid silver dressings despite their constant concern with infection.
Using a new approach, Agarwal has crafted an ultra-thin material carrying a precise dose of silver. One square inch contains just 0.4 percent of the silver that is found in the silver-treated antibacterial bandages now used in medicine.
In tests in lab dishes, the low concentration of silver killed 99.9999 percent of the bacteria but did not damage cells called fibroblasts that are needed to repair a wound.
Agarwal builds the experimental material from polyelectrolyte multilayer — a sandwich of ultra-thin polymers that adhere through electrical attraction. To make the sandwich, Agarwal alternately dips a glass plate in two solutions of oppositely charged polymers, and finally adds a precise dose of silver.
Read the article regarding the silver based dressings and their efficacy click the button to the right.
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