Description_x000D_ General description_x000D_ IgG antibody subtype is the most abundant serum immunoglobulins of the immune system. It is secreted by B cells and is found in blood and extracellular fluids and provides protection from infections caused by bacteria, fungi and viruses. Maternal IgG is transferred to fetus through the placenta that is vital for immune defence of the neonate against infections_x000D_ Purified Sheep IgG is isolated from pooled normal sheep serum by fractionation._x000D_ Application_x000D_ Technical grade sheep IgG may be used as an economical alternative to the reagent grade immunoglobulins, in applications where high purity is not required. Sheep IgG was used as negative control in 293T cells (human embryonic kidney cells) and Madin-Darby canine kidney (MDCK) cells at a working antibody dilution of 1:40._x000D_ Packaging_x000D_ 10, 50 mg in glass bottle_x000D_ Physical form_x000D_ Solution in 0.01 M phosphate buffered saline, pH 7.2, containing 15 mM sodium azide_x000D_ Disclaimer_x000D_ Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.