Observation of slow down of polystyrene nanogels diffusivities in contact with swollen polystyrene brushesV. N. Michailidou, B. Loppinet, C. D. Vo, J. Rühe, K. Tauer and G. FytasEur. Phys. J. E, 26 1-2 (2008) 35-41DOI: https://doi.org/10.1140/epje/i2007-10322-1