http://www.physorg.com/ en-us Physorg.com internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine. Chemists are reporting a major advance toward developing a safer, fully-synthetic version of heparin, the widely used blood thinner now produced from pig intestines. The U. S. Food and Drug Administration last spring linked contaminated batches of the animal-based product, imported from China, to more than 80 deaths and hundreds of allergic reactions among patients exposed to the drug for kidney dialysis and other conditions. http://www.physorg.com/news138198610.html Chemistry Sun, 17 Aug 2008 13:30:10 EST news138198610