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. 2017 Mar 7;7:44140. doi: 10.1038/srep44140

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(A) SEM micrograph (low power) of cartilage ECM-derived porous scaffold; (B) SEM micrograph of transverse plane (high power) of porosity structure with regular appearence; (C and D) SEM micrograph of length plane (high power) of column wise orientation; (E and F) Inverted microscope showed transverse plane of interconnected porous and spongelik; (G and H) Inverted microscope showed length plane of columnwise orientation; (I and J) The staining of AO/PI showed hondrocytes in scaffold grow well with little dead cells; (K and I) The staining of Hoechst 33258 showed DNA of cell nucleus in ECM scaffold.