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. 2020 May 15;6(6):861–868. doi: 10.1021/acscentsci.0c00397

Figure 3.

Figure 3

(a) Structure models of Hf6-oxo, Hf12-oxo, Hf6-DBA, and Hf12-DBA. (b) •OH generated from HfO2, Hf6-DBA and Hf12-DBA upon irradiation probed by APF. (c) Schematic showing the radiosensitization process by Hf12-DBA.32 (d) Schematic illustration of radiosensitization by POM@Hf12-DBB-Ir with three different high-Z components for multifarious ROS generation.33 (e) •OH generation by POM@Hf12-DBB-Ir determined by APF assay. (f) O2– generation by POM@Hf12-DBB-Ir, as detected by ESR. [Reprinted with permission from ref (32). Copyright 2019, American Chemical Society, Washington, DC.]