An autoantibody is an antibody (a type of protein) produced by the immune system that is directed against one or more of the individual's own proteins. Many autoimmune diseases (notably lupus erythematosus) are caused by such autoantibodies.
Perfluorooctanoic acid (PFOA), also known as C8 and perfluorooctanoate, is a synthetic perfluorinated carboxylic acid and fluorosurfactant.FOA has widespread applications. In 1976, PFOA was reported as a water and oil repellent in fabrics and leather and in the production of floor waxes and waxed papers ; however, it is believed that paper is no longer treated with perfluorinated compounds, but with fluorotelomers with less than 0.1% PFOA.
Area code 678 was put into service. Area code 678 is an overlay of area codes 404 and 770. In 2010 area code 678 was overlaid with area code 470. This resulted in an area code overlay complex of 404, 470, 678 and 770.Ten digit dialing is mandatory in area code 678.n 2010 area code 678 was overlaid with area code 470. This resulted in an area code overlay complex of 404, 470, 678 and 770. Ten digit dialing is mandatory in area code 678.