1. Biomaterials and Functional Polymers Laboratory, Polymer Institute, Szczecin University of Technology, Pulaskiego 10, 70-322 Szczecin, Poland, General and Hand Surgery Clinic, Pomeranian Medical University, Unii Lubelskiej 1, Szczecin, Poland, Department of Polymer Science, The University of Akron, Akron, Ohio 44325, and Department of Polymer & Engineering, University of Bayreuth, Universitätsstr. 30, 95440 Bayreuth, Germany