Freeze/thaw stability of transferrin, and reference values obtained with kinetic nephelometry

Autor:	L Stoddard, R. M. Parvin, O.W. Van Assendelft, W. Dennis
Rok vydání:	1984
Předmět:	chemistry.chemical_classification Chromatography medicine.diagnostic_test Chemistry Transferrin Reference values Immunoassay Biochemistry (medical) Clinical Biochemistry Congelation medicine Nephelometry Biological fluid
Zdroj:	Clinical Chemistry. 30:114-115
ISSN:	1530-8561 0009-9147
DOI:	10.1093/clinchem/30.1.114
Popis:	To determine whether transferrin is stable to repeated freezing and thawing, we used blood specimens from 100 normal adults. Their transferrin concentrations were determined by a laser kinetic nephelometric immunoassay. The sera were stored at 4 degrees C and analyzed the next day (day 1). Specimens 1-25 were stored at -20 degrees C and assayed again on days 3, 4, 8, 16, 22, and 43. Specimens 26-100 were stored at 4 degrees C and analyzed again on day 2. Transferrin proved to be stable to repeated freezing and thawing. Normal reference values with respect to sex and age are given, as determined with the Baker 420 Immunological Nephelometer.
Databáze:	OpenAIRE
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