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[Plasminogen determination, using a chromogenic tripeptidic substrate (author's transl)].

J Soria, C Soria, M Samama

    Pathologie-Biologie
    |December 1, 1976
    PubMed
    Summary

    A new spectrophotometric method accurately measures plasminogen levels. This assay uses streptokinase activation and plasmin

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    Area of Science:

    • Biochemistry
    • Analytical Chemistry

    Background:

    • Plasminogen is a crucial protein in the fibrinolytic system.
    • Accurate quantification of plasminogen is essential for diagnosing and managing various medical conditions.

    Purpose of the Study:

    • To develop a simple, rapid, and sensitive spectrophotometric method for plasminogen level determination.

    Main Methods:

    • Plasminogen activation using streptokinase.
    • Quantification of plasmin activity via its amidase action on a tripeptidic substrate.
    • Spectrophotometric detection of paranitroaniline release.

    Main Results:

    • The developed method provides a straightforward and efficient means for evaluating plasminogen concentrations.
    • The assay demonstrates high sensitivity and rapidity, suitable for clinical applications.

    Conclusions:

    • This spectrophotometric assay offers a reliable tool for assessing plasminogen levels.
    • The method's simplicity and speed facilitate its potential use in routine diagnostics.

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