Wohnhaas, C., Turshatov, A., Mailänder, V., Lorenz, S., Baluschev, S., Miteva, T., et al. (2011). Annihilation Upconversion in Cells by Embedding the Dye System in Polymeric Nanocapsules. Macromolecular Bioscience, 11(6), 772-778.