Institution: | (1) Dental Materials and Biomaterial Research, Dental School, Charité Medical University of Berlin, Schuhmannstr. 20/21, 10117 Berlin, Germany;(2) Chemistry Department, University of Madeira, 9000-081 Funchal, Madeira, Portugal;(3) Department of Analytical Chemistry, University of Greifswald, Soldmannstr. 23, 17489 Greifswald, Germany |