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Crosslinked polyether/polysiloxane networks for blood-interfacing applications.

R W Pekala, M Rudoltz, E R Lang

    Biomaterials
    |September 1, 1986
    PubMed
    Summary
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    New polyether/polysiloxane networks show excellent blood compatibility. These materials exhibit low fibrinogen adsorption and platelet activation, making them promising for medical devices.

    Area of Science:

    • Biomaterials Science
    • Polymer Chemistry
    • Medical Device Materials

    Background:

    • The interaction between blood and artificial surfaces is critical for medical implants and devices.
    • Developing biocompatible materials is essential to prevent adverse blood reactions.

    Purpose of the Study:

    • To synthesize and characterize novel polyether/polysiloxane networks.
    • To evaluate the blood compatibility of these synthesized networks.

    Main Methods:

    • Synthesized polyether/polysiloxane networks by reacting polyglycidoxy propyl methyl siloxane (PGPMS) with polypropylene glycol (PPG).
    • Characterized bulk and surface compositions of the networks.
    • Assessed blood compatibility using in vitro platelet retention and fibrinogen adsorption tests.

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    Main Results:

    • The synthesized PPG/PGPMS networks demonstrated low fibrinogen adsorption.
    • Platelet activation was minimal when exposed to the networks.
    • Surface and bulk characterization confirmed network properties.

    Conclusions:

    • Polyether/polysiloxane networks exhibit favorable blood compatibility.
    • Low protein adsorption and platelet activation suggest potential for blood-contacting applications.
    • These materials are promising candidates for developing advanced medical devices.