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Updated: May 28, 2026

Preparation and In Vitro Characterization of Dendrimer-based Contrast Agents for Magnetic Resonance Imaging
Published on: December 4, 2016
Metal-Organic Framework as Contrast Agents for Magnetic Resonance Imaging
Weiqi Wang1, Zijiao Yan1,2, Yajie Yu1
1School of Pharmacy, Nantong University, Nantong 226001, China.
Abstract:
Metal-organic frameworks (MOFs) possess unique structural tunability, abundant coordination sites, and outstanding biosafety, rendering them highly advantageous for the development of high-performance magnetic resonance imaging (MRI) contrast agents. In light of the significant advancements in MOF-derived theranostic platforms, a comprehensive overview focusing on their classification and clinically oriented applications is urgently required. This review provides an in-depth examination of various categories of MOF-derived contrast agents, including T1, T2, dual-mode, ratiometric and 19F imaging systems, and analyzes the correlation between structural characteristics and imaging performance. Furthermore, it highlights typical MRI-guided therapeutic applications, such as those related to atherosclerosis, bacterial infections, and cancer immunotherapy. The review systematically addresses existing challenges, including issues related to biodegradability, metabolic behavior, and biosafety. It also summarizes the rational design principles for novel MOF contrast agents, aiming to facilitate their transition from fundamental research to clinical applications.
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