Nanoparticle contrast agent Mn3O4/SiO2/C as an ozonation catalyst with unexpected synergy in degrading organic contrast agent iopamidol: an effective "treat-waste-with-waste" strategy for medical wastewater - Xu, Wen; Dong, Shiwen; Cheng, Haijun; Giannakis, Stefanos; Lu, Xiaohui; He, Zhiqiao; Wang, Da; Song, Shuang; Ma, Jun (Chemical Engineering Journal, 2025)