1. Department of Chemistry and Centre for Biomedical Engineering and Physics, Umeå University, SE-901 87 Umea, Sweden, The Unit of Biomass Technology and Chemistry, SLU Röbäcksdalen, P.O. Box 4097, SE - 904 03 Umeå, Sweden, Department of Biochemistry and Chemistry, University of Arkansas, Fayetteville, Arkansas 72701, UmbioAB, C/O Uminova Innovation AB, Box 7978, 907 19 Umeå, Sweden, and Center for Self Organising Molecular Systems, School of Chemistry, University of Leeds, LS2 9JT U.K.