Publications by authors named "T Rousar"

The current study investigates and compares the biological effects of ultrathin conformal coatings of zirconium dioxide (ZrO) and vanadium pentoxide (VO) on osteoblastic MG-63 cells grown on TiO nanotube layers (TNTs). Coatings were achieved by the atomic layer deposition (ALD) technique. TNTs with average tube diameters of 15, 30, and 100 nm were fabricated on Ti substrates (via electrochemical anodization) and were used as primary substrates for the study.

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This work aims to describe the effect of the surface modification of TiO nanotube (TNT) layers on Ti-6Al-4V (TiAlV) alloy by ultrathin TiO coatings prepared via Atomic Layer Deposition (ALD) on the growth of MG-63 osteoblastic cells. The TNT layers with two distinctly different inner diameters, namely ∼15 nm and ∼50 nm, were prepared via anodic oxidation of the TiAlV alloy. Flat, i.

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Article Synopsis
  • * A study using SH-SY5Y neuronal cells found that exposure to higher concentrations of CdCl (above 50 μM) resulted in both GSH levels increasing and eventually depleting, particularly at 100 μM, causing elevated reactive oxygen species (ROS).
  • * Mitochondrial impairment occurred even at lower CdCl concentrations (50 μM) after 24 hours, indicating that significant damage can arise before GSH depletion happens in these neuronal cells.
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An in-depth investigation was conducted on a promising composite material (BiVO/TiO), focusing on its potential toxicity, photoinduced catalytic properties, as well as its antibiofilm and antimicrobial functionalities. The preparation process involved the synthesis of 2D TiO using the lyophilization method, which was subsequently functionalized with sphere-like BiVO through wet impregnation. Finally, we developed BiVO/TiO S-scheme heterojunctions which can greatly promote the separation of electron-hole pairs to achieve high photocatalytic performance.

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This work aims to investigate the chemical and/or structural modification of Ti and Ti-6Al-4V (TiAlV) alloy surfaces to possess even more favorable properties toward cell growth. These modifications were achieved by (i) growing TiO nanotube layers on these substrates by anodization, (ii) surface coating by ultrathin TiO atomic layer deposition (ALD), or (iii) by the combination of both. In particular, an ultrathin TiO coating, achieved by 1 cycle of TiO ALD, was intended to shade the impurities of F- and V-based species in tested materials while preserving the original structure and morphology.

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