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. 2019 Mar 10;9(3):404. doi: 10.3390/nano9030404

Figure 6.

Figure 6

SEM images of (a) as-electrospun Na-alginate nanofibers and (b–d) Ag/alginate nanofibers obtained at different reduction times: (b) 10, (c) 20, and (d) 30 min. Reprinted with permission from Ref. [124]. Copyright American Chemical Society, 2018.