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Effects of silica nanoparticles in bacterial clearance. A) Mice were treated with silica NPs (SiO2) or vehicle and 5 h later infected with PAK-lux (107 CFU/mice). 15 h after infection, bioluminescence was recorded in the whole animal (panels A, B) or in extracted organs (panel C). B) Quantification of bioluminescence in the lungs. S = spleen, L = lungs. Colour scale represents photons/s/cm2/steradian. In panel A) the rib cage is delimited within the squares.
