1. Institute of Physical Chemistry, Universität Hamburg, Grindelallee 117, 20146 Hamburg, Germany
2. Center of Excellence in Bioresources to Advanced Materials, The Petroleum and Petrochemical College, Chulalongkorn University, 254 Soi Chula 12, Wangmai, Pathumwan Bangkok 10330, Thailand
3. Institute of Membrane Research, Helmholtz-Zentrum Hereon, Max-Planck-Straße 1, 21502 Geesthacht, Germany