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. 2018 Mar 14;18:14. doi: 10.1186/s12896-018-0426-1

Fig. 5.

Fig. 5

Immunofluorescence staining for collagen type II (a1-d2), aggrecan (e1-h2), collagen type I (i1-l2) (green), F-actin (a-l) (red) and nuclei (blue) in monolayer and triple-layered chondrocyte sheets constructed from chondrocytes on G5 and PS surfaces. Panels a2-l2 show the enlargements of white box areas in panels a1-l1, respectively. Scale bars show 50 μm