Research Article

Development of a Hybrid Chitosan- and Niacinamide-Coupled ZnO Nanoparticle Composite for Sun Protection Application

Figure 7

UV-visible transmission (a) of and reflectance (b) spectra of ZnO, CS/ZnO, and Nia/ZnO. After the three samples were dissolved into the 0.01% distilled water, they were scanned at 200~800 nm by ultraviolet-visible spectroscopy.
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(b)