Clinical Chemistry
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Clinical Chemistry 25: 384-388, 1979;
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Clinical Chemistry, Vol 25, 384-388, Copyright © 1979 by American Association for Clinical Chemistry

Erythrocyte enzyme deficiencies assessed with a miniature centrifugal analyzer

S Fielek and HW Mohrenweiser

Methods for assaying 16 erythrocyte enzymes have been adapted to the miniature centrifugal analyzer. Less than 15 micro L of whole blood is required for all 16 assays. Variation attributable to temporal effects, rotor effects, and random residual error is minor. Initial population studies of blood from adults and cord-blood samples suggest a CV of less than 12% for 12 of the 16 enzymes; thus it should be possible to identify the heterozygous deficient individual. Preliminary data suggest that three such individuals, with enzyme activity (adenylate kinase, pyruvate kinase, phosphoglycerate kinase) about half the expected, have been identified, as well as two individuals deficient in glucose-6-phosphate dehydrogenase.




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Copyright © 1979 by the American Association for Clinical Chemistry.