Research Article

Green Strategy to Develop Novel Drug-Containing Poly (ε-Caprolactone)-Chitosan-Silica Xerogel Hybrid Fibers for Biomedical Applications

Figure 4

(a) Drug release profiles of the PCL-CS and PCL-CS-SiO2 fibers and (b) SEM image of the PCL-CS-SiO2 fibers after immersion in the SBF solution for 3 days.
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(b)