Tailored poly(2-oxazoline) polymer brushes to control protein adsorption and cell adhesion |
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Authors: | Zhang Ning Pompe Tilo Amin Ihsan Luxenhofer Robert Werner Carsten Jordan Rainer |
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Affiliation: | Wacker-Lehrstuhl für Makromolekulare Chemie, Chemie-Department, TU München, Garching, Germany. |
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Abstract: | POx bottle-brush brushes (BBBs) are synthesized by SIPGP of 2-isopropenyl-2-oxazoline and consecutive LCROP of 2-oxazolines on 3-aminopropyltrimethoxysilane-modified silicon substrates. The side chain hydrophilicity and polarity are varied. The impact of the chemical composition and architecture of the BBB upon protein (fibronectin) adsorption and endothelial cell adhesion are investigated and prove extremely low protein adsorption and cell adhesion on BBBs with hydrophilic side chains such as poly(2-methyl-2-oxazoline) and poly(2-ethyl-2-oxazoline). The influence of the POx side chain terminal function upon adsorption and adhesion is minor but the side chain length has a significant effect on bioadsorption. |
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