The invention provides a biodegradable and biocompatible polymer article having a surface wherein a biologically active ligand is provided on said surface in a spatially controlled pattern. The pattern may be formed using a poly(dimethyl siloxane) mold. The biologically active ligand may be attached...http://www.google.com.au/patents/US6855329?utm_source=gb-gplus-sharePatent US6855329 - Surface coating spatially controlled patterns
