1. Department
of Drug Delivery (DDEL), Helmholtz-Institute for Pharmaceutical
Research Saarland (HIPS), Helmholtz Centre for Infection Research
(HZI), Saarland University, 66123 Saarbrücken, Germany
2. Inorganic Solid
State Chemistry, Saarland University, Am Markt Zeile 3, 66125 Saarbrücken, Germany
3. Department
of Biopharmaceutics and Pharmaceutical Technology, Saarland University, 66123 Saarbrücken, Germany