Human bone-derived cells on C-C composites treated by grinding, a-C:H coating, laser irradiation and laser perforation

• Autorzy: Bacakova L. , Beranek L. , Bacakova M. , Soukup D. , Lisa V. , Dvorak R.
• Języki publikacji: EN

Abstrakty

EN

Carbon fiber-reinforced carbon (CFRC) composites were modified by grinding with abrasive papers, laser irradiation, coating with diamond-like carbon (DLC), creation of pores by laser perforation and various combinations of these treatments, and seeded with human osteoblast-like MG 63 cells. Twenty four hours after seeding, the lowest cell numbers were obtained on the non-ground, non-coated composites with Type 1 laser perforations (diameter 0.1 mm, depth 0.2 mm, spacing 0.3 mm), i.e., on samples with relatively high surface roughness (R a = 17.7 ± 0.9 μm, S = 93.0 ± 2.0 μm). On the other hand, the cells on these samples were well-spread, adhering with a relatively large cell-material projected area. In comparison with these samples, a significantly higher number of cells were obtained on composites treated with a DLC coating, especially those with laser perforation 2 (diameter 0.4 mm, depth 0.8 mm, spacing 1.2 mm). The cells on both types of laser-perforated samples started to colonize pores created by the laser beam.

Słowa kluczowe

EN

CFRC; composites; DLC

PL

CFRC; kompozyty; DLC

• Wydawca: Polish Society for Biomaterials in Cracow
• Czasopismo: Engineering of Biomaterials
• Rocznik: 2008
• Tom: Vol. 11, no. 75
• Strony: 2--6
• Opis fizyczny: Bibliogr. 24 poz., tab., zdj.

Twórcy

autor

Bacakova L.

• InstItute of Physiology, Academy of Sciences of the Czech Republic, Videnska 1083, 142 20 Prague 4 – Krc, Czech Republic

autor

Beranek L.

• Faculty of Mechanical Engineering, Czech Technical University, Technicka 4, 166 07 Prague 6 – Dejvice, Czech Republic

autor

Bacakova M.

• InstItute of Physiology, Academy of Sciences of the Czech Republic, Videnska 1083, 142 20 Prague 4 – Krc, Czech Republic

autor

Soukup D.

• InstItute of Physiology, Academy of Sciences of the Czech Republic, Videnska 1083, 142 20 Prague 4 – Krc, Czech Republic

autor

Lisa V.

• InstItute of Physiology, Academy of Sciences of the Czech Republic, Videnska 1083, 142 20 Prague 4 – Krc, Czech Republic

autor

Dvorak R.

• Faculty of Mechanical Engineering, Czech Technical University, Technicka 4, 166 07 Prague 6 – Dejvice, Czech Republic

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