Marchant RE, Johnson SD, Schneider BH, Agger MP, Anderson JM. A hydrophilic plasma polymerized film composite with potential application as an interface for biomaterials.
JOURNAL OF BIOMEDICAL MATERIALS RESEARCH 1990;
24:1521-37. [PMID:
2279984 DOI:
10.1002/jbm.820241108]
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Abstract
A hydrophilic polymer composite film (approx. 420 nm thick), with potential application as an interface for biomaterials has been prepared on nonorganic substrates, which include glass, silicon, and aluminum foil, using a glow discharge plasma polymerization technique. A thin film (110 nm thick) polymerized from hexane provided an adherent protective coating for the substrate material, and covalent bonding sites for the outer layer polymerized from N-vinyl-2-pyrrolidone. This outer layer provided the hydrophilic surface or interface. The two layers were copolymerized for a short period during transition between monomers to provide an intimate covalently bonded diffuse interphase. Preliminary in vitro and in vivo biocompatibility studies indicate that the hydrophilic film is non-cytotoxic, and does not increase the inflammatory response when compared with negative controls.
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