Fig. 9
From: Coatings on mammalian cells: interfacing cells with their environment

(a) Cell Surface modification of HeLa cell with silica nanocoating. (b) Protection of HeLa@SiO2 (silica coated) cells versus non-coated HeLa cells to enzymatic trypsin attack. (c) Survival ratio of HeLa@SiO2 cells versus uncoated HeLa cells when exposed to various PAH concentrations. Reproduced with permission from John Wiley and Sons [79]