Washington: Scientists claim to have developed a new antioxidant that could prevent and even cure cataracts, macular degeneration and other eye disorders. Researchers, led by Dr Nuran Ercal at Missouri University of Science and Technology are studying eye drops prepared with the antioxidant N-acetylcysteine amide (NACA) as a treatment for these eye conditions. Ercal says NACA is an improvement over another experimental treatment, the antioxidant N-acetylcysteine (NAC), because it passes more easily across cell membranes, allowing the medication to be used in lower doses. "NACA`s characteristics as a drug were improved over NAC by neutralizing the carboxylic group of NAC, which makes the NACA pass cellular membranes easily," says Ercal.
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