Purified from Bovine milk
Full length native Bovine milk Immunoglobulin G
IgG antibodies are involved in predominantly the secondary immune response. The presence of specific IgG, in general, corresponds to maturation of the antibody response. IgG is the only isotype that can pass through placenta, thereby providing protection
20mM HAc-NaAc pH 4.8 ,20mM imidazole,50%glycerol
Aliquot and store at -20℃ or -80℃. Avoid repeated freeze / thaw cycles.