Figure 1.

Mesh implants. Macroscopic optical images (left) and top‐view SEM micrographs (right) (a) showing the architecture of PDO monofilament and PGA polyfilament meshes. Scale bars are 500 and 50 μm. The in vitro cytotoxicity MTT assay (b) showing the optical density at λ = 570 nm in wells containing human MSCs incubated for 1, 2, or 5 days in the presence of the PDO or PGA yarns. Wells with the cells only (no yarns) were used as a control. The data are presented as average ± SD. The MTT assay was repeated three times; the experimental results correspond to zero cytotoxicity of the materials.