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(a) Bright-field optical micrograph and related synchrotron radiation–based Fourier transform infrared (SR-FTIR) image of (b) apatite and (c) collagen structures in a microscopic portion within the regenerated bone scaffold area. In (d) and (e), the SR-FTIR spectra of regenerated bone are shown in correspondence with the scaffold and pristine cortical bone, respectively.
