Lorenz, Baerbel; Alvarez De Cienfuegos, Luis; Oelkers, Marieelen; Kriemen, Ella; Brand, Christian; Stephan, Milena; Sunnick, Eva; Yueksel, Deniz; Kalsani, Venkateshwarlu; Kumar, Krishna; Werz, Daniel B.; Janshoff, Andreas Journal of the American Chemical Society, 2012, vol. 134, # 7 p. 3326 - 3329 doi: 10.1021/ja210304j