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Confocal laser scanning microscopy (CLSM) microphotographs of fibroblasts grown for 6 days onto CH, CH/CS, CH/HA loaded with norfloxacin as a free drug (N) or norfloxacin–montmorillonite nanocomposite (H, N-VHS) at 1% or 2% (in blue: nuclei; in green: cytoskeleton) (scale bar: 50 μm).
