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. 2019 Nov 11;9:16466. doi: 10.1038/s41598-019-52773-7

Figure 5.

Figure 5

(a) Faraday rotation spectrum of the pure STA reagent with the concentration of 100 μg/mL. (b) Faraday rotation spectra of Fe3O4@Au-STA and Fe3O4 MNPs. The saturation magnetizations of the Fe3O4@Au-STA and Fe3O4 MNPs reagents both were 6.6 × 10−3 emu/g.