%0 conference poster %@ %A Wang, L., Fang, L., Kratz, K., Lendlein, A. %D 2013 %J 12th International Conference on Polymers for Advanced Technologies, PAT 2013 %T Preparation of Two-Layered Magnetic Nanoparticles via a Two Step Surface-Initiated Ring-Opening Polymerization of Omega-Pentadecalactone and Epsilon-Caprolactone %U %X