Silicon readily bonds with oxygen and is rarely found in nature in its pure form. You've likely seen silicon as silicon dioxide or silica, better known as quartz, which is the most common component of sand.Silica also comes in other mineral forms, such as flint, jasper and opal.ilicon is the 14th element on the periodic table. It's a metalloid, meaning it has properties of both metals and nonmetals, and is the second most abundant element in the Earth's crust, after oxygen.
Heterophile antibodies are human antibodies with the ability to bind to animal immunoglobulins, thereby possibly interfering with the interaction between animal-derived antibodies and the antigen [hCG in our discussion], which are components of all immunoassays.
Heterophile antibody test. The lead section of this article may need to be rewritten. (October 2011) (Learn how and when to remove this template message) The mononuclear spot test or monospot test, a form of the heterophile antibody test, is a rapid test for infectious mononucleosis due to EpsteinâBarr virus (EBV).