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Sunday, October 27, 2013

A super antioxidant

A super antioxidant based on material used in vehicle catalytic converters

Could help treat traumatic brain injury, cardiac arrest, and Alzheimer’s patients, guard against radiation-induced side effects suffered by cancer patients, perhaps even slow the effects of aging
October 22, 2013
rice_antioxidants
Oleylamine (red dots) and oleac acid (blue) layers serve to protect a cerium oxide nanosphere that catalyzes reactive oxygen species by absorbing and turning them into less-harmful molecules. The finding could help treat injuries, guard against radiation-induced side effects of cancer therapy and protect astronauts from space radiation. (Credit: Colvin Group/Rice University)
Scientists at Rice University are enhancing the natural antioxidant properties of cerium oxide, used in vehicle catalytic converters, to make it useful for medical applications.
Rice chemist Vicki Colvin led a team that created small, uniform spheres of cerium oxide and gave them a thin coating of fatty oleic acid to make them biocompatible.
The researchers say their discovery has the potential to help treat traumatic brain injury, cardiac arrest and Alzheimer’s patients and could guard against radiation-induced side effects suffered by cancer patients.
Their nanoparticles also have potential to protect astronauts from long-term exposure to radiation in space and perhaps even slow the effects of aging, they reported.

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