Human Hemoglobin Fraction HbA1a & HbA1b Mixture, 1.0mg, Exocell

Our hemoglobin products serve as biologic controls, i.e. as laboratory-based QC controls (e.g. linearity controls) and as controls for analyzer and assay development. They have additionally been utilized as immunogens for antibody development.

Hb Fractions: Human Hemoglobin A1a and A1b is a mixture of hemoglobin fractions prepared by ion-exchange chromatography. It is essentially free of HbA0. The purity is validated by HPLC, and reported concentration is determined by Drabkin’s assay.

Storage & Handling: The material is supplied in liquid form in dilute potassium cyanide-phosphate buffer. The concentration varies with manufacturing lot, but the protein may be used directly by dilution in buffer in most experimental methods. It is shipped frozen at -20 C. Short term storage should be at 4 C. Long term storage should be -60 C. Repeated cycles of freezing and thawing should be avoided.