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A simple method to remove hemoglobin from antiserum

K Sagisaka, M Iwasa

    The Tohoku Journal of Experimental Medicine
    |September 1, 1976
    PubMed
    Summary
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    Hemoglobin contamination in antiserum can obscure immunohematology tests. This study presents a simple CM-Sephadex method to effectively remove hemoglobin, yielding clear antiserum without dilution.

    Area of Science:

    • Immunohematology
    • Biochemistry
    • Analytical Chemistry

    Background:

    • Hemoglobin contamination is a common issue in antiserum used in immunohematology.
    • This contamination interferes with antigen-antibody reactions, particularly in the ring test.
    • Accurate observation of serological reactions is crucial for diagnostic and research purposes.

    Purpose of the Study:

    • To develop a simple and effective method for removing hemoglobin from antiserum.
    • To ensure the clarity of antiserum for improved antigen-antibody reaction visualization.
    • To provide a practical solution for common challenges in immunohematology laboratories.

    Main Methods:

    • Utilized CM-Sephadex as an adsorbent for hemoglobin.
    • Antiserum contaminated with hemoglobin was mixed with CM-Sephadex.

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  • The mixture was dialyzed against a 0.01 M monobasic sodium phosphate buffer (pH approx. 6).

    • Main Results:

    • CM-Sephadex effectively and completely adsorbed hemoglobin from the antiserum.
    • Hemoglobin-free antiserum was successfully prepared.
    • The method preserved the original antiserum concentration without dilution.

    Conclusions:

    • The described CM-Sephadex method provides a simple, efficient technique for hemoglobin removal from antiserum.
    • This technique enhances the reliability of immunohematology tests by eliminating interference.
    • The method is practical and beneficial for routine use in immunohematology.