Development of Drug Loaded Nanoparticles Binding to Hydroxyapatite Based on a Bisphosphonate Modified Nonionic Surfactant

Figure 7

Fluorescence images of HA/Pa-NPS. The NPs were labeled with coumarin described in Section 2. (a) SNPs and Pa-SNPs; (b) NEMs and Pa-NEMs; (c) PNPs and Pa-PNPs. The phase contrast and fluorescence images were captured by Olympus IX71 fluorescence microscope.