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. 2019 Sep 19;9(9):1345. doi: 10.3390/nano9091345

Figure 4.

Figure 4

Properties of nanoclusters coated with different proteins. Upper left: atomic force microscopy (AFM) images of nanoclusters coated with different proteins: (a) BSA, (b) casein, (c) gelatin A, and (d) gelatin B; lower left: (e) thermogravimetric analysis (TGA) curves of Fe@C-NH2, BSA and Fe@C-NH2/BSA/Str in airflow; upper right: UV-Vis spectra of Fe@C-NH2, Fe@C-NH2/Protein/Str and proteins: (f) BSA, (g) casein, (h) gelatin B, and (i) gelatin A; and lower right: (j) stability of Fe@C, Fe@C-NH2, Fe@C-NH2/Gelatin B/Str in buffers with pH 4 and 7.