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Fig. 3 | Journal of Biological Engineering

Fig. 3

From: Chitosan modified with PAP as a promising delivery system for melatonin in the treatment of osteoporosis: targeting the divalent metal transporter 1

Fig. 3

Material characteristics of chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP, CS: chitosan. (A). External phase of chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP. (B). Scanning electron microscopy of dried hydrogels: chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP. (C). Electrical conductivity of chitosan@PAP. (D). Fourier transform infrared spectroscopy of chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP. (E). Total porosity percentages of chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP. (F). Time course of the in vitro release profile of MT (n = 6 for each group). (G) The 3-day CCK-8 cell viabilities of MC3T3-E1 cells co-cultured with chitosan, chitosan@MT/PAP, chitosan@MT, and chitosan@PAP. *P < 0.05; **P < 0.01; ***P < 0.001; ****P < 0.0001

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Journal of Biological Engineering

ISSN: 1754-1611