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. 2020 Dec 7;6(6):1839–1851. doi: 10.1016/j.bioactmat.2020.11.021

Fig. 1.

Fig. 1

(A and B) Storage (G′) and loss (G″) moduli of the hydrogels estimated by rheological studies, in which hydrogels CS/SA Gel and Gel-nHAP were shown in (A), whereas hydrogels Gel-nHAP-10 PTH, Gel-nHAP-20 PTH, and Gel-nHAP-50 PTH were shown in (B). (C–E) Fourier transform infrared spectra of CS, SA, Gel (C), PEG-nHAP, Gel-nHAP, PTH (D), Gel-nHAP-10 PTH, Gel-nHAP-20 PTH, and Gel-nHAP-50 PTH (E). (F) Scanning electron microscopic images of hydrogels Gel, Gel-nHAP, Gel-nHAP-10 PTH, Gel-nHAP-20 PTH, and Gel-nHAP-50 PTH. Scale bars: 10 μm. (G) Mass spectrum of FTIC-labeled PTH(1–34). (H) Cumulative percentage release of PTH(1–34) from different hydrogel scaffolds during a period of 10 days.