Fig. 4From: Heart-targeted amelioration of sepsis-induced myocardial dysfunction by microenvironment responsive nitric oxide nanogenerators in situSpecific affinity of PCM in cardiomyocytes in vitro. Immunofluorescence staining and fluorescence intensity of cardiomyocytes after incubated with scrambled peptide-MSN and PCM-MSN for 1 h. Immunofluorescence staining and fluorescence intensity of HepG2 after incubation with PCM-MSN for 1 h. DAPI (blue; nuclei), FITC (green; PCM or scrambled peptide), α-SA (red; cardiomyocyte) (scale bar = 20 μm)Back to article page