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Research of chitosan coatings deposited by electrophoretic deposition method at various voltage and time parameters
Abstrakt
The aim of this research is to estimate the electrophoretic deposition main parameters, such as voltage and time duration, that will provide optimal characteristics of the surface layer. Chitosan coatings were synthesized on biomedical Ti13Zr13Nb alloys at 20 V and 30 V and with deposit times of 2min, 5 min, 10 min, and 15 min. Evaluation of the coating was performed by using Scanning Electron Microscope (SEM), Energy-Dispersive Spectroscopy (EDS), Laser-Induced Breakdown Spectroscopy (LIBS), Atomic Force Microscopy (AFM), drop shape analyzer and nanoscratch tester. Homogeneous and continuous coatings are obtained for 2 min and 5 min, regardless of the voltage. Defects in form of bubbles are observed only for 20 V during 10 min, 20 V during 15 min, and 30 V during 10 min. All of the coatings show hydrophilic behavior. The critical loads for delamination range are between 100 mN and 300 mN. It is concluded, that the optimal coating for orthopedic implants is obtained at 20 V, 5 min, because of homogeneity, a contact angle supporting osseointegration and the best adhesion. The optimal one for implant in contact with blood is obtained at 20 V, 2 min, because it is homogenous and shows the lowest hydrophilicity, which should limit the thrombogenicity of the coating.
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Autorzy (7)
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Olive Jean-marc
- Universite de Bordeaux
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Gilles Pecastaings
- Universite de Bordeaux
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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MATERIALS CHEMISTRY AND PHYSICS
nr 315,
ISSN: 0254-0584 - Język:
- angielski
- Rok wydania:
- 2024
- Opis bibliograficzny:
- Malisz K., Świeczko-Żurek B., Jean-marc O., Pecastaings G., Sionkowska A., Laska A., Gajowiec G.: Research of chitosan coatings deposited by electrophoretic deposition method at various voltage and time parameters// MATERIALS CHEMISTRY AND PHYSICS -Vol. 315, (2024), s.128984-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.matchemphys.2024.128984
- Źródła finansowania:
-
- Publikacja bezkosztowa
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 110 razy