Developing Mn-doped lead sulfide quantum dots for MRI labels

Turyanska, Lyudmila, Moro, Fabrizio, Patanè, Amalia, Barr, James, Köckenberger, Walter, Taylor, Alexander, Faas, Henryk M., Fowler, Maxine, Wigmore, Peter, Trueman, Rebecca C., Williams, Huw E. L. and Thomas, Neil R. (2016) Developing Mn-doped lead sulfide quantum dots for MRI labels. Journal of Materials Chemistry B, 42 . pp. 6797-6802. ISSN 2050-7518

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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.

Keywords:colloidal nanocrystals, imaging, magnetic doping, JCOpen
Subjects:F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
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ID Code:24740
Deposited On:18 Oct 2016 19:28

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