Fig. 2From: Nanoparticles of Titanium and Zinc Oxides as Novel Agents in Tumor Treatment: a ReviewMilestones of photodynamic therapy (PDT) and sonodynamic therapy (SDT) in tumor treatment. Cancer therapies, such as PDT or SDT, build on the administration of sensitive agents into tumor, followed by their activation by UV radiation or US wave, respectively. Activated photo- or sonosensitizers generate ROS that lead to cancer cell eradicationBack to article page