Magnetic interactions of Mn2+ ions in lead sulfide (PbS) nanocrystals with protons in water are probed by NMR and MRI. A thin layer of capping molecules enables free solvent diffusion to the nanocrystal surface resulting in a decrease of proton relaxation times. Magnetic resonance imaging of neuronal cell pellets exposed to (PbMn)S at non-toxic concentrations demonstrates their prospects as MRI-labels.
Turyanska, L., Moro, F., Patanè, A., Barr, J., Köckenberger, W., Taylor, A., et al. (2016). Developing Mn-doped lead sulfide quantum dots for MRI labels. JOURNAL OF MATERIALS CHEMISTRY. B, 4(42), 6797-6802 [10.1039/c6tb02574a].
Developing Mn-doped lead sulfide quantum dots for MRI labels
Moro, F;
2016
Abstract
Magnetic interactions of Mn2+ ions in lead sulfide (PbS) nanocrystals with protons in water are probed by NMR and MRI. A thin layer of capping molecules enables free solvent diffusion to the nanocrystal surface resulting in a decrease of proton relaxation times. Magnetic resonance imaging of neuronal cell pellets exposed to (PbMn)S at non-toxic concentrations demonstrates their prospects as MRI-labels.
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