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Updated: Dec 24, 2025

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In vitro Labeling of Human Embryonic Stem Cells for Magnetic Resonance Imaging
Published on: August 3, 2008
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Developing Mn-doped lead sulfide quantum dots for MRI labels
Lyudmila Turyanska1, Fabrizio Moro, Amalia Patanè
1School of Physics and Astronomy, The University of Nottingham, NG72RD, UK. Lyudmila.Turyanska@nottingham.ac.uk.
Journal of Materials Chemistry. B
|April 9, 2020
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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