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. 2022 Jan 17;14(2):348. doi: 10.3390/polym14020348

Figure 3.

Figure 3

HRFESEM cross-section images of PHBV, PHBV/GO, PHBV/CNFs before (initial morphology) and after degradation in acid aqueous medium (pH = 6) and GAM (Gifu) broth for 3 months.