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Related Experiment Videos

Serum binding of aluminum.

S W King, M R Wills, J Savory

    Research Communications in Chemical Pathology and Pharmacology
    |October 1, 1979
    PubMed
    Summary

    Aluminum in serum binds to high molecular weight proteins, including albumin, and potentially low molecular weight compounds. Similar binding patterns were observed in a renal dialysis patient, indicating consistent aluminum distribution in serum.

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    Area of Science:

    • Biochemistry
    • Analytical Chemistry
    • Clinical Chemistry

    Background:

    • Aluminum is a metal with potential toxicity, and understanding its binding in biological fluids is crucial.
    • Serum protein binding influences the distribution and bioavailability of metals in the body.

    Purpose of the Study:

    • To investigate the binding characteristics of aluminum (Al) in human serum.
    • To identify the serum components that bind to aluminum.

    Main Methods:

    • Gel filtration chromatography using Sephacryl S-200 was employed to separate serum components.
    • Flameless atomic absorption spectrometry was utilized for the precise quantification of aluminum.

    Main Results:

    • Aluminum in serum separated into four distinct peaks upon gel filtration.
    • These peaks correlated with high molecular weight proteins, albumin, and low molecular weight substances, including inorganic anions.
    • Similar elution profiles were observed in a patient undergoing renal dialysis.

    Conclusions:

    • Aluminum in serum exhibits complex binding with various biomolecules, primarily proteins like albumin.
    • The observed binding patterns suggest a consistent distribution of aluminum across different physiological states, including renal dialysis.

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