Polyurethane surface modification by graft polymerization of acrylamide for reduced protein adsorption and platelet adhesion.
basic_science · Level V
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Abstract
Surface modification of polyurethane by glow-discharge treatment and subsequent graft polymerization of acrylamide was studied. The modified hydrophilic surfaces were characterized by the measurements of dynamic contact angle and zeta potentials and examined for protein adsorption behaviour and platelet adhesion. Data from in vitro and ex vivo experiments indicated a reduction of protein adsorption and platelet adhesion for the hydrophillic graft polymers, the extent of which was correlated to polymer graft density.
Medical subject headings
- Acrylamides
- Platelet Adhesiveness
- Polyurethanes