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Wyszukujesz frazę "Živčák, Jozef" wg kryterium: Wszystkie pola


Wyświetlanie 1-1 z 1
Tytuł:
3D printed Polylactid Acid based porous scaffold for bone tissue engineering: an in vitro study
Autorzy:
Bodnárová, Simona
Gromošová, Sylvia
Hudák, Radovan
Rosocha, Ján
Živčák, Jozef
Plšíková, Jana
Vojtko, Marek
Tóth, Teodor
Harvanová, Denisa
Ižariková, Gabriela
Danišovič, Ľuboš
Powiązania:
https://bibliotekanauki.pl/articles/307547.pdf
Data publikacji:
2019
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
kwas polimlekowy
PLA
drukowanie 3D
inżynieria tkankowa
polylactic acid
3D printing
porous scaffold
periosteum-derived osteoprogenitors
PDOs
tissue engineering
Opis:
The objective of this study was to fabricate PLA-based porous scaffold by 3D printing technology and to evaluate their cytotoxicity and biocompatibility under in vitro conditions in respect to bone tissue engineering. Material and methods: Pure PLA in filamentous form was processed via 3D printing technology of fused filament fabrication into porous scaffolds. The structure and porosity of scaffolds were measured by metrotomography. PLA scaffolds were pre-treated by human serum, foetal bovine serum and complete cell culture medium to enhance bio-attractivity of the scaffold’s surface for the adherence of the cells. Cells were enzymatically isolated from the periosteum of the proximal tibia and then expanded in monolayer. Periosteum-derived osteoprogenitors (PDOs) were seeded on the pre-treated PLA scaffolds and subsequent cell proliferation was measured by commercially available cell proliferation assay. Adherence of PDOs on the PLA scaffold was confirmed by scanning electron microscopy (SEM). Results: Prepared scaffolds had well-defined structure and were characterized by uniform distribution of pores. They were non-toxic and biocompatible with PDOs, however, PLA scaffold with the periosteum-derived progenitor cells was significantly better in the group of scaffolds pre-treated with normal human serum. Conclusions: The obtained PLA porous scaffolds favored attachment of periosteum derived progenitors and proliferation, furthermore, cells penetrated into the scaffold through the interstitial pores which was meaningful for cytocompatibility evaluation.
Źródło:
Acta of Bioengineering and Biomechanics; 2019, 21, 4; 101-110
1509-409X
2450-6303
Pojawia się w:
Acta of Bioengineering and Biomechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-1 z 1

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