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Low lipid level reference sera with human serum matrix

M Kuchmak, L Taylor, A S Olansky

    Clinica Chimica Acta; International Journal of Clinical Chemistry
    |October 8, 1981
    PubMed
    Summary
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    Researchers developed a straightforward method to create low lipid reference sera. This technique ensures nonlipid components match human serum, aiding accurate cholesterol and triglyceride testing.

    Area of Science:

    • Clinical Chemistry
    • Biochemistry
    • Laboratory Medicine

    Background:

    • Accurate lipid level determination is crucial for diagnosing and monitoring various health conditions.
    • Existing reference materials may not adequately mimic the nonlipid matrix of human serum for low-level lipid testing.
    • Quality control materials are essential for ensuring the reliability of diagnostic assays.

    Purpose of the Study:

    • To develop a simple and effective procedure for preparing low lipid level reference sera.
    • To ensure that the nonlipid components in the reference sera are comparable to those in native human serum.
    • To provide reliable reference materials for quality control in low total cholesterol, low high-density lipoprotein (HDL) cholesterol, and low triglyceride assays.

    Main Methods:

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  • Delipidization of human serum using colloidal silicic acid.
  • Combination of delipidated serum with native human serum in specific proportions.
  • Characterization of the resulting reference sera for nonlipid component concentrations.

    • Main Results:

    • A simple procedure for preparing low lipid reference sera was successfully established.
    • The prepared reference sera maintained nonlipid component concentrations similar to native human serum.
    • The reference materials are suitable for use as internal or external quality controls.

    Conclusions:

    • The described method provides a valuable tool for generating stable and reliable low lipid reference sera.
    • These reference materials enhance the accuracy and quality control of low cholesterol and triglyceride measurements.
    • The procedure offers a practical solution for laboratories performing lipid analysis.