Preparation and use of a quality control hemolysate for microchromatographic determinations of hemoglobin A2. 1977

R M Schmidt, and E M Brosious, and J M Wright

Compared with other methods for determining hemoglobin A2 (Hb A2) levels, the new microchromatography procedures are fast, easy laboratory technics useful for quantitating Hb A2 that can be readily monitored for quality control of results. A reliable method for preparing a stable hemolysate control for monitoring the accuracy and precision of Hb A2 microchromatographic procedures is described. The recombination of purified hemoglobin fractions in known concentrations and the addition of potassium cyanide and carbon monoxide produce a control solution that gives stable hemoglobin A2 values for at least 40 weeks. Variability among six reference laboratories was small.

UI MeSH Term Description Entries
D011786 Quality Control A system for verifying and maintaining a desired level of quality in a product or process by careful planning, use of proper equipment, continued inspection, and corrective action as required. (Random House Unabridged Dictionary, 2d ed) Control, Quality,Controls, Quality,Quality Controls
D002845 Chromatography Techniques used to separate mixtures of substances based on differences in the relative affinities of the substances for mobile and stationary phases. A mobile phase (fluid or gas) passes through a column containing a stationary phase of porous solid or liquid coated on a solid support. Usage is both analytical for small amounts and preparative for bulk amounts. Chromatographies
D006441 Hemoglobin A Normal adult human hemoglobin. The globin moiety consists of two alpha and two beta chains.
D006454 Hemoglobins The oxygen-carrying proteins of ERYTHROCYTES. They are found in all vertebrates and some invertebrates. The number of globin subunits in the hemoglobin quaternary structure differs between species. Structures range from monomeric to a variety of multimeric arrangements. Eryhem,Ferrous Hemoglobin,Hemoglobin,Hemoglobin, Ferrous

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