β2-Microglobulin, Human Urine Native β2-microglobulin from human urine. A useful marker for the determination of AIDS progression in HIV-infected subjects. Increased levels may also indicate increased proliferation of tumor masses. 产品信息 Form Liquid Formulation In PBS, 150 mM NaCl, 20 mM phosphate buffer, pH 7.3. Molar mass 11800 Avoid freeze/thaw 是的 Purity ≥98% by SDS-PAGE Source Prepared from urine that has been shown by certified tests to be negative for HBsAg and for antibodies to HIV and HCV. 商店和运输信息 Storage -20°C Ship Blue Ice Only Standard Handling