Figure 2From: Naturally occurring nanoparticles from English ivy: an alternative to metal-based nanoparticles for UV protectionUV extinction spectra. Spectral profiles represent the UV extinction of the 4.92 μg/ml ivy and TiO2 nanoparticles. The green line corresponds to the ivy nanoparticles, while the blue line corresponds to the TiO2 nanoparticles.Back to article page