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Article Dans Une Revue RSC Advances Année : 2021

Cyclodextrins: promising scaffolds for MRI contrast agents

Résumé

Magnetic resonance imaging (MRI) is a powerful tool for non-invasive, high-resolution three-dimensional medical imaging of anatomical structures such as organs and tissues. The use of contrast agents based on gadolinium chelates started in 1988 to improve the quality of the image, since researchers and industry focused their attention on the development of more efficient and stable structures. This review is about the state of the art of MRI contrast agents based on cyclodextrin scaffolds. Chemical engineering strategies are herein reported including host-guest inclusion complexation and covalent linkages. It also offers descriptions of the MRI properties and in vitro and in vivo biomedical applications of these emerging macrostructures. It highlights that these supramolecular associations can improve the image contrast, the sensitivity, and the efficiency of MRI diagnosis by targeting cancer tumors and other diseases with success proving the great potential of this natural macrocycle.

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Chimie
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Dates et versions

hal-04045244 , version 1 (24-03-2023)

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Berthe Sandra Sembo-Backonly, François Estour, Géraldine Gouhier. Cyclodextrins: promising scaffolds for MRI contrast agents. RSC Advances, 2021, 11 (47), pp.29762 - 29785. ⟨10.1039/d1ra04084g⟩. ⟨hal-04045244⟩
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