Optimizing the relaxivity at high fields: systematic variation of the rotational dynamics in polynuclear Gd-complexes based on the AAZTA ligand
Lorenzo Tei, Giuseppe Gugliotta, Davide Marchi, Maurizio Cossi, Simonetta Geninatti Crich, Mauro Botta
Abstract
A homogeneous series of polynuclear Gd-complexes ( n = 1–8) based on a stable and bis-hydrated [Gd(AAZTA)] − chelate shows high relaxivity values at high fields (1.5–7 T), per Gd, particularly pronounced for the more rigid and compact members.
Topics & Concepts
HomogeneousChelationLigand (biochemistry)Dynamics (music)CrystallographyChemistryRotational dynamicsMaterials scienceThermodynamicsInorganic chemistryPhysicsOrganic chemistryMoleculeReceptorBiochemistryAcousticsLanthanide and Transition Metal ComplexesMagnetism in coordination complexesElectron Spin Resonance Studies