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ROS-Responsive Core-Shell Microneedles Loaded with Black Phosphorus Nanosheets and Bufalin for Combined Intervention of Oxidative Stress and Cardiac Fibrosis Post Myocardial Infarction
This study presents a ROS-responsive core-shell microneedle patch that enables minimally invasive, spatiotemporally sequential epicardial co-delivery of black phosphorus nanosheets and bufalin to simultaneously scavenge reactive oxygen species and suppress fibrosis, thereby effectively mitigating cardiac remodeling and restoring function in a murine myocardial infarction model.
Chuang Sun, Xiaojie Yang, Zunkai Jia, Xinchun Dai, Liyu Yang, Wen Ge, Huanhuan Qiang, Congye Li, Mengyuan Jiang, Jiye Zh (…)2026-07-24