In vitro activity assays of sputtered HAp coatings with SiC addition in various simulated biological fluids

Alina Vladescu, Anca Pârâu, Iulian Pana, Cosmin M. Cotrut, Lidia R. Constantin, Viorel Braic, Diana M. Vrânceanu

Результат исследований: Материалы для журналаСтатья

Выдержка

Considering the requirements of medical implantable devices, it is pointed out that biomaterials should play a more sophisticated, longer-term role in the customization and optimization of the material-tissue interface in order to ensure the best long-term clinical outcomes. The aim of this contribution was to assess the performance of silicon carbide-hydroxyapatite in various simulated biological fluids (Dulbecco's modified Eagle's medium (DMEM), simulated body fluid (SBF), and phosphate buffer solution (PBS)) through immersion assays for 21 days at 37 ± 0.5 °C and to evaluate the electrochemical behavior. The coatings were prepared on Ti6Al4V alloy substrates by magnetron sputtering method using two cathodes made of hydroxyapatite and silicon carbide (SiC). After immersion assays the coating's surface was analyzed in terms of morphology, chemical and phase composition, and chemical bonds. According to the electrochemical behavior in the media investigated at 37 ± 0.5 °C, SiC addition inhibits the dissolution of the hydroxyapatite in DMEM acellular media. Furthermore, after adding SiC, the slow degradation of hydroxyapatite in PBS and SBF media as well as biomineralization in DMEM were observed.

Язык оригиналаАнглийский
Номер статьи389
ЖурналCoatings
Том9
Номер выпуска6
DOI
СостояниеОпубликовано - 1 июн 2019

Отпечаток

Durapatite
Hydroxyapatite
Silicon carbide
silicon carbides
Assays
coatings
Coatings
Fluids
fluids
Body fluids
Buffers
Phosphates
body fluids
Biomineralization
submerging
Chemical bonds
phosphates
Biocompatible Materials
buffers
Phase composition

ASJC Scopus subject areas

  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Цитировать

In vitro activity assays of sputtered HAp coatings with SiC addition in various simulated biological fluids. / Vladescu, Alina; Pârâu, Anca; Pana, Iulian; Cotrut, Cosmin M.; Constantin, Lidia R.; Braic, Viorel; Vrânceanu, Diana M.

В: Coatings, Том 9, № 6, 389, 01.06.2019.

Результат исследований: Материалы для журналаСтатья

Vladescu, Alina ; Pârâu, Anca ; Pana, Iulian ; Cotrut, Cosmin M. ; Constantin, Lidia R. ; Braic, Viorel ; Vrânceanu, Diana M. / In vitro activity assays of sputtered HAp coatings with SiC addition in various simulated biological fluids. В: Coatings. 2019 ; Том 9, № 6.
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