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Confocal microscopic images of H460 cells that have been incubated with various nanoparticles: control cells without any particles (a), cells with PEG-SiO2@2 (b), and cells with AA-PEG-SiO2@2 (c); d) in vitro viability assay for H460 cells incubated with various amounts of PEG-SiO2@2 and AA-PEG-SiO2@2; e) Particle uptake studies in H460 cells.
