2024
Insight into antibacterial effect of titanium nanotubular surfaces with focus on Staphylococcus aureus and Pseudomonas aeruginosa
ŠÍSTKOVÁ, Jana, Tatiana FIALOVA, Emil SVOBODA, Kateřina VRCHOVECKÁ, Martin UHER et. al.Základní údaje
Originální název
Insight into antibacterial effect of titanium nanotubular surfaces with focus on Staphylococcus aureus and Pseudomonas aeruginosa
Autoři
ŠÍSTKOVÁ, Jana (203 Česká republika, domácí), Tatiana FIALOVA (203 Česká republika), Emil SVOBODA (203 Česká republika), Kateřina VRCHOVECKÁ (203 Česká republika, domácí), Martin UHER (203 Česká republika, domácí), Kristyna CIHALOVA (203 Česká republika), Jan PŘIBYL (203 Česká republika, domácí), Antonin DLOUHY (203 Česká republika) a Monika PÁVKOVÁ GOLDBERGOVÁ (203 Česká republika, domácí)
Vydání
Scientific Reports, Berlin, NATURE RESEARCH, 2024, 2045-2322
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10601 Cell biology
Stát vydavatele
Německo
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 4.600 v roce 2022
Organizační jednotka
Lékařská fakulta
UT WoS
001281273100069
Klíčová slova anglicky
Titanium; Nanotubes; Anodization; Diameter; Roughness; Ti ion release; Bacterial behavior
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 21. 8. 2024 09:44, Mgr. Tereza Miškechová
Anotace
V originále
Materials used for orthopedic implants should not only have physical properties close to those of bones, durability and biocompatibility, but should also exhibit a sufficient degree of antibacterial functionality. Due to its excellent properties, titanium is still a widely used material for production of orthopedic implants, but the unmodified material exhibits poor antibacterial activity. In this work, the physicochemical characteristics, such as chemical composition, crystallinity, wettability, roughness, and release of Ti ions of the titanium surface modified with nanotubular layers were analyzed and its antibacterial activity against two biofilm-forming bacterial strains responsible for prosthetic joint infection (Staphylococcus aureus and Pseudomonas aeruginosa) was investigated. Electrochemical anodization (anodic oxidation) was used to prepare two types of nanotubular arrays with nanotubes differing in dimensions (with diameters of 73 and 118 nm and lengths of 572 and 343 nm, respectively). These two surface types showed similar chemistry, crystallinity, and surface energy. The surface with smaller nanotube diameter (TNT-73) but larger values of roughness parameters was more effective against S. aureus. For P. aeruginosa the sample with a larger nanotube diameter (TNT-118) had better antibacterial effect with proven cell lysis. Antibacterial properties of titanium nanotubular surfaces with potential in implantology, which in our previous work demonstrated a positive effect on the behavior of human gingival fibroblasts, were investigated in terms of surface parameters. The interplay between nanotube diameter and roughness appeared critical for the bacterial fate on nanotubular surfaces. The relationship of nanotube diameter, values of roughness parameters, and other surface properties to bacterial behavior is discussed in detail. The study is believed to shed more light on how nanotubular surface parameters and their interplay affect antibacterial activity.
Návaznosti
EF17_043/0009632, projekt VaV |
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EF18_046/0015974, projekt VaV |
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GA20-11321S, projekt VaV |
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LM2018121, projekt VaV |
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LM2023042, projekt VaV |
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MUNI/A/1370/2022, interní kód MU |
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