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. Author manuscript; available in PMC: 2023 Feb 1.
Published in final edited form as: Acta Biomater. 2020 Nov 30;139:91–104. doi: 10.1016/j.actbio.2020.11.042

Figure 2.

Figure 2.

SEM images of three different NY materials: (A) PPDO NYs; (B) PPDO/2%CNT NYs; (C) PPDO/5%CNT NYs; Scale bar: 200 μm for left panel and 20 μm for right panel. TEM images of PPDO/CNT nanofibers: (D) PPDO/2%CNT nanofibers; (E) PPDO/5%CNT nanofibers; Scale bar=500 nm; The red arrows show the positions of CNTs. (F) Raman spectra of PPDO NYs, PPDO/2%CNT NYs, and PPDO/5%CNT NYs; (G) FTIR spectra of PPDO NYs and two types of PPDO/CNT NYs; (H) Electrical conductivity of three different as-obtained NY materials, without or with CNTs (n=5; bars with different letters represent a significant difference between two groups, p<0.01).