Open access
Aug 2026
Metal-free nitroxide radical-based theranostic agent for MRI-guided therapy of ulcerative colitis
Conventional metal-based contrast agents for magnetic resonance imaging (MRI) present concerns regarding potential chronic toxicity with prolonged use and inherently lack therapeutic functionality. Integrating the antioxidant 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO), which possesses intrinsic paramagnetic propertie...
Chunan Wang, Danfeng Peng, Ziwei Duan et al.
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