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Figure 1 | Journal of Nanobiotechnology

Figure 1

From: Micro CT visualization of silver nanoparticles in the middle and inner ear of rat and transportation pathway after transtympanic injection

Figure 1

Characterization result of PVP coated Ag NPs using various analytical techniques. A) Transmission electron microscopy (TEM) image of NPs showing the polydispersity in size and shape of the PVP coated AgNPs. B) TEM particle size distribution of NPs (n = 200, mean = 21 ± 8 nm), C) X-ray diffraction pattern for Ag NPs indicating the presence of metallic silver (ICDD 004–0783). D-E) XPS analysis on Ag NPs without any sputtering indicating the presence of high amount of organic impurities (PVP used as a surfactant). Sputtered spectrum (E) confirms the presence of the organic components only on the surface. F) Hydrodynamic size of the NPs when suspended in deionized water, measured using dynamic light scattering.

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