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Water soluble spin-crossover (SCO) iron(II) nanoparticles (NPs) were synthesized by the polyethylene glycol (PEG) coating of [Fe(Htrz)(NHtrz)](BF) (x = 0, 0.1, 0.5 and 1). The NPs with x = 0.1 show gradual SCO behavior over 280-330 K in water. The relaxation times, T1 and T2, were determined and the thermally-responsive T2 values making these NPs a candidate for use as a MRI contrast agent.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6175957 | PMC |
| http://dx.doi.org/10.1038/s41598-018-33362-6 | DOI Listing |
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