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A patient-specific auricular prosthesis made of biocompatible non-biodegradable polyurethane with biomimetic mechanical properties was developed and printed using a 3D printer. A three-point bending study of the mechanical properties of printed samples of this material showed that the printed prosthesis is similar in its material properties to natural human aural cartilage. After subcutaneous implantation...
Tissue spheroids formed from fibroblasts using a micromolded non-adhesive hydrogel were located using a three-dimensional (3D) bioprinter on the surface of a nanofibrous polyurethane matrix produced by electrospinning. It was shown that the tissue spheroids attach to the matrix surface within a few hours and completely flatten after several days, indicating high biocompatibility of the matrix used...
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