Confinement of a tris-aqua Gd(III) complex in silica nanoparticles leads to high stability and high relaxivity and supresses anion binding
The water soluble tris-aqua complex Gd(dhqN-SO3)(H2O)(3) based on a hexadentate hydroxyquinoline ligand shows high thermodynamic stability and high relaxivity (12.54 mM(-1) s(-1) at 1.2 T). Its non-covalent confinement in 25 nm silica nanoparticles prevents transmetallation and endogenous anion binding and leads to higher relaxivity over a wide range of magnetic fields.
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Karimdjy, M. M., Tallec, G., Fries, P. H., Imbert, D., & Mazzanti, M. (2015). Confinement of a tris-aqua Gd(III) complex in silica nanoparticles leads to high stability and high relaxivity and supresses anion binding. Chemical Communications (ChemComm), 51(31), 6836–6838. https://doi.org/10.1039/c5cc01352f
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WOS:000352270100031
2015
51
31
6836
6838
REVIEWED
EPFL