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Electrostatic interactions at the plasma membrane.

J M Wrigglesworth

    Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
    |July 17, 1975
    PubMed
    Summary
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    Hydrogen-ion titration revealed charged groups on human red blood cell membranes. Local environment significantly impacts electrostatic interactions between these charged membrane groups.

    Area of Science:

    • Biochemistry
    • Cell Biology
    • Membrane Biophysics

    Background:

    • The human red blood cell plasma membrane possesses charged groups that influence its properties.
    • Understanding these charged groups is crucial for comprehending membrane function and interactions.

    Purpose of the Study:

    • To detect and characterize charged groups on the human red blood cell plasma membrane.
    • To investigate the influence of the local environment on electrostatic interactions of these charged groups.

    Main Methods:

    • Utilized hydrogen-ion titration as the primary technique.
    • Analyzed the resulting data to infer the presence and nature of charged groups.

    Main Results:

    • Successfully detected the presence of charged groups on the human red blood cell plasma membrane.

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  • Observed that the local environment significantly affects the electrostatic interactions between these charged groups.

    • Conclusions:

    • The human red blood cell plasma membrane contains identifiable charged groups.
    • Electrostatic interactions are modulated by the local microenvironment, impacting membrane behavior.