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. 2014 Jun 18;15(6):1398–1409. doi: 10.1208/s12249-014-0167-y

Fig. 8.

Fig. 8

SEM (grayscale) and AFM images (color) of vials and PFS after exposure to pH 11 glutaric acid at 40°C/75% RH for 3 months. The depth scale for AFM images is from −20 to 20 nm for Vial A Type IB, −10 to 10 nm for Vial B Type IB, and −5 to 5 nm for PFS A and B