Abstract
We comprehensively studied protein adsorption and human umbilical vein endothelial cell adhesion on poly(2-hydroxyethyl methacrylate) brushes by varying different graft densities and thicknesses. Concentrated brushes were prepared by surface-initiated atom transfer radical polymerization, and semi-dilute brushes were prepared by a “grafting-to” method on a silicon wafer or a quartz crystal microbalance sensor. The concentrated brushes notably prevented protein adsorption and HUVEC adhesion compared with the corresponding semi-dilute brushes. The results suggest that the physical structure, namely the concentrated brush structure plays an important role in non-biofouling property.
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