Barthel, A.-K., Dass, M., Dröge, M., Cramer, J.-M., Baumann, D., Urban, M., et al. (2014). Imaging the intracellular degradation of biodegradable polymer nanoparticles. Beilstein Journal of Nanotechnology, 5, 1905-1917. doi:10.3762/bjnano.5.201.