Tags: selenium | antibacterial

Selenium Found to Fight Bacteria

Monday, 25 Jun 2012 12:43 PM




Selenium, an inexpensive naturally occurring element believed to have significant beneficial effects, has been found to have potent antibacterial properties that may even rival some antibiotics.
Brown University scientists who used selenium as an antibiotic coating on medical devices found that it reduced the levels of staph bacteria by as much as 90 percent.
The technique – which involved using selenium nanoparticles to coat polycarbonate, the material of catheters and endotracheal tubes – could point the way to a new use for selenium and a novel approach to combatting dangerous infections in hospitals and other healthcare settings from Staphylococcus aureus bacteria.
"The longer we can delay or inhibit completely the formation of [bacterial colonies], the more likely your immune system will clear them," said Thomas Webster, who headed the study, published online in the Journal of Biomedical Materials Research A. "Putting selenium on [medical devices] could buy more time to keep an endotracheal tube in a patient."
Bacterial infections in hospital patients are common and notoriously difficult to treat because they are often able to resist antibiotic drugs.
Webster said the use of selenium to combat staph infections is promising because it is a recommended nutrient, harmless in the body, and less expensive than other materials with antibacterial properties, such as silver.

© HealthDay

 
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Naturally occurring element has potent antibacterial properties that may rival antibiotics.
selenium,antibacterial
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2012-43-25
Monday, 25 Jun 2012 12:43 PM
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