title: [The effect of freezing-thawing of human blood serum on the results of the determination of high density lipoprotein cholesterol].
abstract: The effect of repeated freezing-defreezing of the serum on the values of high density lipoprotein cholesterol measured by Abel's method was studied. Mixtures for the precipitation of lipoproteins were as follows: heparin + Mn2+, dextran sulfate + Mg2+, phosphotungstic acid + Mg2+, and polyethylene glycol. Variations in the measured cholesterol values were insignificant. Statistically reliable results (p less than 0.05) were obtained only with polyethylene glycol, with the variations not surpassing 3%.
authors: E M
authors: EM
authors: Poteshnykh
authors: I L
authors: IL
authors: Khaidukova
authors: V A
authors: VA
authors: Loginov
mesh_terms: D001769:Blood; D008076:Cholesterol, HDL / Q000097:blood*; D005615:Freezing; D006801:Humans; D066298:In Vitro Techniques
chemical_list: D008076:Cholesterol, HDL
vernacular_title: Vliianie zamorazhivaniia-ottaivaniia syvorotki krovi cheloveka na rezul'taty opredeleniia kholesterina lipoproteidov vysokoĭ plotnosti.