The XRD results of the obtained nanofibers at 2θ values from 10° to 60°. The inset in the figure shows the 2θ value from 10° to 28°. Pristine nanofibers (spectrum A), silk fibroin nanofibers modified with 10% HAp NPs (spectrum B), 30% HAp NPs (spectrum C), and 50% HAp NPs (spectrum D).
Sheikh et al. Nanoscale Research Letters 2013 8:303 doi:10.1186/1556-276X-8-303