Equitech-Bio's purified 免疫球蛋白 (Ig) preparations are isolated from pooled
normal serum by a proprietary chemical fractionation method.
The 免疫球蛋白 preparations are supplied as a lyophilized powder but may be
supplied as a liquid upon request.
Purity levels are 97% Ig as analyzed by SDS-Page. These preparations are especially
useful as co-precipitant in RIA methods employing polyethylene glycol or ammonium
sulfate precipitation steps or as a protein stabilizer or blocker in a number of
These preparations are also useful as IgG control solutions for biochemical analytical
tests and as a heterophile blocker.
免疫球蛋白 preparations reconstitute to pH 7.2 鹵 0.2 . Gamma globulin preparations
are also available upon request.