Journal Article Research Support, Non-U.S. Gov't electrocatalysis 7440-44-0 Antineoplastic Agents Carbon MOF‐derived nanoparticles Metal-Organic Frameworks Reactive Oxygen Species Research Support, N.I.H., Extramural Research Support, U.S. Gov't, Non-P.H.S. SOI2LOH54Z Zinc Oxide cavitation effect defect engineering high entropy oxide hollow structure mechanical therapy metal–organic framework nanocrystals octahedra reactive oxygen species sonocatalysts sonocatalytic therapy sonodynamic therapy spin polarization template-directed synthesis water splitting wet chemistry