The assessment of the stability of biomarkers is very important for epidemiological studies. In this study, the stability of five lipid parameters (total cholesterol, triglycerides, HDL- and LDL-cholesterol and free fatty acids) has been tested in 16 human serum samples after storage at -80 °C up at time points 0, 1, 8 and 13 y. The majority of the lipid biomarkers were stable during storage conditions, except for cholesterol. The correlations between the samples were very good at time points. Therefore, long-term storage of human serum samples allows lipid biomarker determination, provided that the samples are stored at -80 °C.
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| http://dx.doi.org/10.1016/j.ab.2020.113695 | DOI Listing |
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