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Fig. 3 | Journal of Nanobiotechnology

Fig. 3

From: Chitosan-miRNA functionalized microporous titanium oxide surfaces via a layer-by-layer approach with a sustained release profile for enhanced osteogenic activity

Fig. 3

Fluorescence confocal laser scanning microscope of CS-miRNA/HA PEM-functionalized MAO surface with Cy3-labeled miRNAs: a the top layer starting to display fluorescence and b–i the continuing layers from top to down with an interlayer distance of 400 nm. The fluorescence 3-D images of Cy3-labeled miRNAs on the MAO surfaces before (j) and after (k) 7 days of incubation in cell culture medium at 37 °C

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