Abstract
In order to obtain biocompatible carriers with mechanical properties close to living tissues, 3D-printing was carried out on a modified 3D-printer created on the basis of the Wanhao Duplicator 4S (China) by installing a special extrusion head - a syringe extruder for the possibility of printing sodium alginate and chitosan hydrogels. The optimal compositions of hydrogels for 3D-printing using “supporting” hydrogels based on agar or gelatin, which allow forming print objects, have been determined. Stable structures were obtained in the form of a Menger cube with a satisfactory shape and size. Optimal speeds of movement of the extruder-syringe for 3D-printing with sodium alginate hydrogel into agar “supporting” gel – 9–11 mm/s, for sodium alginate into gelatinous “supporting” gel – 2 mm/s, for chitosan into “supporting” gel with the addition of (NH4)2HPO4 – 6–8 mm/s.
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Avdeeva, E.V., Dovydenko, Y.M., Laznev, K.V., Petkevich, A.V., Rogachev, A.A., Agabekov, V.E. (2022). Application of Additive Technology to Create Universal Carriers of Cellular Structures. In: Khakhomov, S., Semchenko, I., Demidenko, O., Kovalenko, D. (eds) Research and Education: Traditions and Innovations. INTER-ACADEMIA 2021. Lecture Notes in Networks and Systems, vol 422. Springer, Singapore. https://doi.org/10.1007/978-981-19-0379-3_3
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DOI: https://doi.org/10.1007/978-981-19-0379-3_3
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