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Related Experiment Videos

An enzymic determination for serum phospholipid

M Sugiura, T Oikawa, K Hirano

    Clinica Chimica Acta; International Journal of Clinical Chemistry
    |November 1, 1978
    PubMed
    Summary

    A novel colorimetric assay accurately measures serum phospholipid levels. This method uses specific enzymes and is highly reproducible, making it suitable for routine clinical diagnostics.

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    Area of Science:

    • Clinical Chemistry
    • Biochemistry
    • Enzymology

    Background:

    • Accurate measurement of serum phospholipid is crucial for diagnosing various health conditions.
    • Existing methods for serum phospholipid determination can be complex or time-consuming.

    Purpose of the Study:

    • To develop a new, rapid, and reproducible colorimetric method for quantifying serum phospholipid.
    • To validate the accuracy and reliability of the proposed method against established techniques.

    Main Methods:

    • Incubation of serum phospholipid with phospholipase C and lipoprotein lipase to release glycerol.
    • Enzymatic determination of glycerol using glycerol dehydrogenase and colorimetric reagents.
    • Calculation of phospholipid-derived glycerol by subtracting triglyceride-derived glycerol.

    Main Results:

    • The method requires a small sample volume (20 microliters) and a short incubation time (40 minutes).
    • High reproducibility was observed in the assay results.
    • Excellent correlation was found with a chemical method (r=0.925) and the phospholipase D-choline oxidase method (r=0.936).

    Conclusions:

    • The developed colorimetric method provides an accurate and efficient means for serum phospholipid determination.
    • The assay's simplicity and reproducibility suggest its suitability for routine clinical laboratory use.
    • This method offers a valuable alternative for clinical diagnostics and health monitoring.

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