blood is a liquid tissue in which dissolved with abundant chemical factors and millions of different cells the reduction of unwanted side effects, especially diseases that emerge through blood such as hiv and hepatitis, has a significant role for modern medicine of transfusion and transplantation. the issues and costs of human blood collection and storage, direct this procedure towards the use ...

OPPT has been assessing perfluor,inated compounds since 1999. This interest was prompted by reports submitted to the agency describing the toxic properties and widespread presence in the environment, including in human populations, of some of these chemicals. Initial efforts focused on perfluorooctane sulfonate (PFOS), and the assessment of ecological and human health hazards was recently publi...