Figure 4
From: Accessing depth-resolved high spatial frequency content from the optical coherence tomography signal
Conventional OCT, nsOCT imaging and histological analysis of day 21 chondrogenic MSC cell pellets from three donors. (a) The dominant axial spatial period profiles (nm) versus depth (µm) of day 21 positive cell pellets from three donors. (b) Conventional enface SDOCT and nsOCT images of Donor 1 (i), (ii), Donor 2 (iii), (iv) and Donor 3 (v), (vi) day 21 pellets. (c) Histological analysis and toluidine blue staining of MSC pellets for Donor 1 (i), Donor 2 (ii) and Donor 3 (iii). Color bar presents the dominant spatial period of the structure Hz in nm. Scale bar is 0.1 mm for OCT and nsOCT images and 50 µm for histological images.
