1. Department of Materials Science and EngineeringWW4-LKOUniversity of Erlangen-Nuremberg Martensstrasse 7 91058 Erlangen Germany
2. National Engineering Laboratory for Modern SilkCollege of Textile and Clothing EngineeringSoochow University Suzhou 215123 PR China
3. Chemistry DepartmentFaculty of SciencesKing Abdulaziz University 80203 Jeddah Saudi Arabia kingdom