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100 mM Tris-HCl, pH 8.0 with 300 mM NaCl

>=95% by SDS-PAGE

MW 78,000

Human Neutrophils 

Shown to be non reactive for HBsAg, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests

> 1 year

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