Evaluation of DFO-HOPO as an octadentate chelator for zirconium-89.
Da Pieve, C
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The future of 89Zr-based immuno-PET is reliant upon the development of new chelators with improved stability compared to the currently used deferoxamine (DFO). Herein, we report the evaluation of the octadentate molecule DFO-HOPO (3) as a suitable chelator for 89Zr and a more stable alternative to DFO. The molecule showed good potential for the future development of a DFO-HOPO-based bifunctional chelator (BFC) for the radiolabelling of biomolecules with 89Zr. This work broadens the selection of available chelators for 89Zr in search of improved successors to DFO for clinical 89Zr-immuno-PET.
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Medicinal Chemistry 1 (including Analytical Chemistry)
Preclinical Molecular Imaging
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Chem Commun (Camb), 2017, 53 (61), pp. 8529 - 8532