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. 2022 Apr 14;12(19):11708–11714. doi: 10.1039/d2ra00508e

Fig. 2. (a) Transmission electron microscopy image of pSiNRs. Scale bar: 500 nm (b) scanning electron microscopy image of pSiNRs. Scale bar: 200 nm (c) ζ-potential measurements at each step of modifications. Bars represent mean ± SD (n = 3). (d) Photography of magnetic-pSiNRs under magnetic field.

Fig. 2