1. Department of Chemistry and Chemical EngineeringChalmers University of Technology Kemivägen 10 41296 Gothenburg Sweden
2. Chemical Imaging Infrastructure, CIIUniversity of Gothenburg and Chalmers University of Technology Kemivägen 10 41296 Gothenburg Sweden
3. Department of Chemistry and Molecular BiologyUniversity of Gothenburg Kemivägen 10 41296 Gothenburg Sweden