Description_x000D_ General description_x000D_ Immunoglobulins (Ig) are produced by the B cells and play crucial role in host humoral immune response. A typical immunoglobulin consists of two heavy chains and two light chains. The two light chains are either κ or the λ chain. The B cells express one type of light chain during their life time_x000D_ λ Light Chains (Free) from human myeloma sera consists of IgG λ light chains purified from myeloma sera._x000D_ Application_x000D_ λ Light Chains (Free) from human myeloma sera may be used as immunoglobulin calibrator, blocking agent or coating protein in various immunoassays._x000D_ Physical form_x000D_ Solution in 0.01 M phosphate and 0.15 M sodium chloride, pH 7.2, containing 1.0 M glycine and 0.1% sodium azide._x000D_ Preparation Note_x000D_ Purified from pooled IgG lambda myeloma sera._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.