Abstract
An improved method of A2 quantitation by cellulose acetate electrophoresis is describes. Densitometry is performed on uncleared membranes. The height of the peak obtained for the A2 band is compared with a standard curve derived from peaks obtained by serial dilutions of hemoglobin. Noral A2 hemoglobin as measured by this method is 2.55 percent plus or minus 0.60 (2 S.D.). Twenty patients samples were run in parallel with a column chromatographic method. Eight samples were found to contain elevated A2 levels by the column method. The same eight samples were correctly identified by the electrophoretic technic.
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