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. 2021 Apr 6;6(15):10383–10395. doi: 10.1021/acsomega.1c00755

Figure 3.

Figure 3

SEM images of BSA nanospheres at magnification 50 000×, prepared using the desolvation method at different pH values: (a) blank BSA nanospheres at pH 7; (b) Cp-BSA nanospheres at pH 5; (c) Cp-BSA nanospheres at pH 7; and (d) Cp-BSA nanospheres at pH 9.