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. 2021 Mar 3;8(9):2001274. doi: 10.1002/advs.202001274

Figure 16.

Figure 16

a) Preparation scheme of AGAs. b) Longitudinal view SEM images. c) Transversal view SEM images. d) Raman mappings of AGAs. Reproduced with permission.[ 112 ] Copyright 2018, Wiley‐VCH.