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The Use of "Clear" Enzyme Control Materials Eugene Hardin , Richard Passey , R. L. Gillum , J. B. Fuller , D. Gant pp.934-936
Published Date 1979/11/1
DOI https://doi.org/10.11477/mf.1543201954
  • Abstract
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Low turbidity, "clear" enzyme controls commercially produced in three concentrations and conventional human lyophilized*1 control sera, which are more turbid, were evaluated to determine which was superior for quality control purposes.*2 Criteria used to evaluate the controls were : 1) turbidity measurement, 2) daily assays for 30 days to estimate day-to-day precision,*3 and 3) stability of the enzyme assay value for these controls when they were reconstituted*4 and frozen for 0 to 30 days and 0 to 10 days with three aliquots separately prepared and frozen for 0 to 10 days for a total of 30 days. The controls were analyzed for lactate dehydrogenase, alanine aminotransferase, aspartate aminotransferase, creatine kinase, and alkaline phosphatase activities with the Perkin-Elmer KA 150 enzyme analyzer.


Copyright © 1979, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1375 印刷版ISSN 0301-2611 医学書院

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