1. Casali Institute of Applied Chemistry, The Hebrew University of Jerusalem, 91904 Jerusalem, Israel; Chemical Research Infrastructure Unit, The Weizmann Institute of Science, 76100 Rehovot, Israel; European Synchrotron Radiation Facility (ESRF), BP 220, 38043 Grenoble, France; and Shenkar College of Engineering and Design, 52526 Ramat-Gan, Israel