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. 2017 Jan 9;7:40075. doi: 10.1038/srep40075

Figure 3. Evolution of citrate-coated CoIONPs in acidic citrate medium.

Figure 3

(A) Representative TEM micrographs at two time-points. (B) Time evolution of the distribution of hydrodynamic sizes and (C) derived count rate in DLS. (D) Time evolution of the field-dependent magnetization curve at 300 K and (E) Time evolution of the transverse NMR relaxation rate R2 at proton Larmor frequencies of 20 MHz and 60 MHz.