Photoreactive oligoethylene glycol polymers–versatile compounds for surface modification by thin hydrogel films

J Buller, A Laschewsky, E Wischerhoff

Index: Buller, Jens; Laschewsky, Andre; Wischerhoff, Erik Soft Matter, 2013 , vol. 9, # 3 p. 929 - 937

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Citation Number: 12

Abstract

Solid surfaces are modified using photo-crosslinkable copolymers based on oligo (ethylene glycol) methacrylate (OEGMA) bearing 2-(4-benzoylphenoxy) ethyl methacrylate (BPEM) as a photosensitive crosslinking unit. Thin films of about 100 nm are formed by spin-coating these a priori highly biocompatible copolymers onto silicon substrates. Subsequent UV- irradiation assures immobilization and crosslinking of the hydrogel films. Their stability is ...