For the largest 125 nm PS NPs, although at diluted concentration, the attenuation due to scattering at 300 nm is AU = 1.2. Therefore the scattering is providing significant UVB blockage even though the PS has no intrinsic absorbance at this wavelength
For the largest 125 nm PS NPs, although at diluted concentration,the attenuation due to scattering at 300 nm is AU = 1.2. Thereforethe scattering is providing significant UVB blockage even thoughthe PS has no intrinsic absorbance at this wavelength