产品描述：The purified total Human IgA can be used as a negative control for antibodies in Western blot, immunoprecipitation, and immunohistochemistry, etc.纯化方式：Purified by affinity chromatography.产品形式：Purified Human IgA in PBS, pH 7.3, 0.01% sodium azide. 纯度：Greater than 95% as determined by reducing SDS-PAGE.使用指导：Please minimize freeze-thaw cycles.储存效期：Store it at -20°C to -80°C for one year. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.