Abada, SabahLecointre, AlexandreElhabiri, MouradEsteban-Gómez, DavidPlatas-Iglesias, CarlosTallec, GaylordMazzanti, MarinellaCharbonnière, Loïc J.2018-11-262018-11-262012-04-28Highly relaxing gadolinium based MRI contrast agents responsive to Mg2+ sensing. S. Abada, A. Lecointre, M. Elhabiri, D. Esteban-Gómez, C. Platas-Iglesias, G. Tallec, M. Mazzanti and L. J. Charbonnière, Chem. Commun., 2012, 48, 4085–4087.1359-73451364-548Xhttp://hdl.handle.net/2183/21354[Abstract] A Gd complex based on a polyphosphonated pyridyl ligand shows a very high stability in aqueous solution (logKEuL = 25.7), a high relaxivity (8.5 mM−1 s−1 at 25 °C and 20 MHz) and a marked and selective relaxivity enhancement (37%) in the presence of Mg2+, opening interesting perspectives for the design of cation responsive contrast agents.engMRI contrast agentsDFT calculationsGadolinium complexesRelaxivityMagnesium sensingjournal articleopen access