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. 2019 Aug 19;14:6661–6678. doi: 10.2147/IJN.S214923

Figure 2.

Figure 2

Field emission scanning electron micrograph (FESEM) of (A) FNPs, (B) the nanoparticles co-coated with Mg/Al-LDH, (C) the nanoparticles co-coated with Zn/Al-LDH and EDX spectra of (D) the nanoparticles co-coated with Mg/Al-LDH, (E) the nanoparticles co-coated with Zn/Al-LDH. *The sample holder is made of aluminum, therefore resulting in a high percentage of aluminum, and therefore it is not reliable to indicate the aluminum content of the sample.