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- Title
Titanium Surface Chemical Composition Interferes in the <italic>Pseudomonas aeruginosa</italic> Biofilm Formation.
- Authors
Nunes Filho, Antonio; Aires, Michelle de Medeiros; Braz, Danilo Cavalcante; Hinrichs, Ruth; Macedo, Alexandre José; Alves Jr, Clodomiro
- Abstract
Abstract: Bacterial adhesion on three different surfaces: untreated Ti, plasma nitriding, and plasma carbonitriding Ti substrates were investigated. The samples were placed in bacterial cultures of <italic>Pseudomonas aeruginosa</italic> to assess biofilm formation. The correlation between the amount of bacteria attached to the surface after a lapse of time with nanotopography and physicochemical properties was performed. TiN showed the highest capacity to avoid bacterial adhesion, while presenting intermediate roughness and wettability. Although the surface of TiCN had the highest surface roughness and low contact angle (high wettability), bacterial adhesion was intermediate on this sample. Untreated Ti, even though presenting a smooth surface and low wettability, had the highest tendency to form biofilms.
- Subjects
PSEUDOMONAS aeruginosa; CARBONITRIDING; BIOCHEMICAL substrates; BIOFILMS; WETTING
- Publication
Artificial Organs, 2018, Vol 42, Issue 2, p193
- ISSN
0160-564X
- Publication type
Article
- DOI
10.1111/aor.12983