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Heat map of gene expression in hMSC after 24 h of incubation with nanoceria-loaded polyelectrolyte microcapsules (10 capsules per cell). Nanoceria-loaded microcapsules were added to the adherent cells. The intensity scale of the standardised expression values ranges from –5 (green: low expression) to +5 (red: high expression), with a 1:1 intensity value (black) representing the control (cells not treated with microcapsules).
