1. Advanced Textiles Research Group, Nottingham School of Art & Design, Nottingham Trent University, Bonington Building, Dryden Street, Nottingham NG1 4GG, UK
2. The Department of Materials, The University of Manchester, Engineering Building A, Manchester M13 9PL, UK
3. Department of Engineering, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham NG11 INS, UK