[HbA2 evaluation: comparison between microchromatography on a DEAE cellulose column and conventional cellulose acetate electrophoresis]. 1981

G Milone, and A Calaciura, and P Granata, and G Sortino

Even if different methods were employed in Hb A2 level detection, so far the borderline values between normal and pathological "range" depend on the different laboratories and techniques. The Authors report here an investigation carried out on Hb A2 levels using two different methods: the chromatographic technique by DEAE cellulose column, and the cellulose acetate electrophoresis. The investigation regards 46 normal and 50 beta-thalassemia obligate carrier samples. The results demonstrate that chromatographic technique provides a lowest misclassification rate with a greater reliability. Therefore the use of the microchromatographic procedure for beta-thalassemia screening is recommended.

UI MeSH Term Description Entries
D008297 Male Males
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
D002848 Chromatography, DEAE-Cellulose A type of ion exchange chromatography using diethylaminoethyl cellulose (DEAE-CELLULOSE) as a positively charged resin. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) DEAE-Cellulose Chromatography,Chromatography, DEAE Cellulose,DEAE Cellulose Chromatography
D004588 Electrophoresis, Cellulose Acetate Electrophoresis in which cellulose acetate is the diffusion medium. Cellulose Acetate Electrophoreses,Cellulose Acetate Electrophoresis,Electrophoreses, Cellulose Acetate
D005188 False Negative Reactions Negative test results in subjects who possess the attribute for which the test is conducted. The labeling of diseased persons as healthy when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed) False Negative Reaction,Reaction, False Negative,Reactions, False Negative
D005189 False Positive Reactions Positive test results in subjects who do not possess the attribute for which the test is conducted. The labeling of healthy persons as diseased when screening in the detection of disease. (Last, A Dictionary of Epidemiology, 2d ed) False Positive Reaction,Positive Reaction, False,Positive Reactions, False,Reaction, False Positive,Reactions, False Positive
D005260 Female Females
D006441 Hemoglobin A Normal adult human hemoglobin. The globin moiety consists of two alpha and two beta chains.
D006443 Hemoglobin A2 An adult hemoglobin component normally present in hemolysates from human erythrocytes in concentrations of about 3%. The hemoglobin is composed of two alpha chains and two delta chains. The percentage of HbA2 varies in some hematologic disorders, but is about double in beta-thalassemia. A2, Hemoglobin
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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