Breakthrough of 2011-HIV study

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>> Friday, December 30, 2011

breakthrough of 2011The Journal Science has announced the top 10 breakthrough of the year 2011 and the winner is "HIV treatment as prevention". Check  Science/AAAS | Special Issue: Breakthrough of the Year, 2011 to see the winner and the runner ups. You may also enjoy the video here Science - Video Portal.

Hyroxyl groups & Planarity of Quercetin- Essential for antioxidant activity

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>> Wednesday, December 07, 2011

polyphenol quercetin
It is the fact that polyphenols are considered as good antioxidants and have wide range of biological activities. In my earlier posts, role of polyphenol epigallocatechin-3-gallate in cancer prevention and neuroprotection were discussed. Recently, researchers have published the antioxidant activity and structure-activity relationship study (SAR) of polyphenol quercetin and its derivatives. They found that hydroxyl groups and planar conformation of the quercetin has an important role for antioxidant activity.

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