TEOS thin films obtained by plasma polymerization on Ti6Al4V alloys: Influence of the deposition pressure on surface properties and cellular response

Pereira, Mireli; Baldin, Estela Kerstner; Antonini, Leonardo Marasca; Bernardi, Fabiano; Oliveira, Leonardo de Barros; Maurmann, Natasha; Pranke, Patrícia; Pereira, Marcelo Barbalho; Malfatti, Célia de Fraga

doi:10.1016/j.apsadv.2021.100123

Cited by 5 publications

(4 citation statements)

References 34 publications

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“…Other studies have also demonstrated that these sterilization processes can morphologically degrade different coatings, [ 37,92 ] as well as interfere with the physical‐chemical and morphological properties of the Ti6Al4V alloy. [ 93 ]…”

Section: Resultsmentioning

confidence: 99%

“…Other studies have also demonstrated that these sterilization processes can morphologically degrade different coatings, [37,92] as well as interfere with the physical-chemical and morphological properties of the Ti6Al4V alloy. [93] Optical microscopy, for the UV-C radiation sterilization process (Figure 5d), also detected surface defects in the formed film. However, as demonstrated by the AFM analysis, the film remained intact after the procedure.…”

Section: Influences Of Plasma Polymer Sterilizationmentioning

confidence: 89%

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Eucalyptus globulus essential oil thin film polymerized by cold plasma on Ti6Al4V: Sterilization effect, antibacterial activity, adhesion, and viability of mesenchymal stem cells

da Silva Bullmann,

de Castro,

Coutinho

et al. 2023

Plasma Processes & Polymers

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This work aims to evaluate the characterization, antibacterial activity, and mesenchymal stem cell (MSC) viability in films obtained by cold plasma polymerization, from the essential oil of Eucalyptus globulus on Ti6Al4V alloy. The film presented low roughness values and a contact angle of 85°. The process incorporated a coating with oxygenated functional groups (OH and C═O). The effect of ultraviolet radiation, ethylene oxide, autoclave, and air plasma sterilization on polymer degradation was evaluated. Biofilm formation by Staphylococcus aureus was reduced on the film surface with no toxicity to MSCs. These effects can be attributed to functional groups, combined with the surface roughness and contact angle. These results suggest a potential for the application of this coating in biomaterials.

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Section: Resultsmentioning

confidence: 99%

Section: Influences Of Plasma Polymer Sterilizationmentioning

confidence: 89%

Eucalyptus globulus essential oil thin film polymerized by cold plasma on Ti6Al4V: Sterilization effect, antibacterial activity, adhesion, and viability of mesenchymal stem cells

da Silva Bullmann,

de Castro,

Coutinho

et al. 2023

Plasma Processes & Polymers

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“…• Ultrasonic welding for Ti-Nylon-6 CFRTP lap joints Another surface treatment can be achieved by plasma polymerization on a titanium alloy's surface which results in stable corrosion protection and strengthens the adhesive bonding. An example of this method was described using argon plasma polymerization of Si-films on the Ti6AL4V substrate to study the effect of the deposition pressure on surface properties such as layer thickness and surface roughness [66].…”

Section: Factors Affecting the Modification Of Titanium Alloysmentioning

confidence: 99%

Mechanical Properties and Performance of Titanium-Based Alloys Used in Aerospace Applications

Mohammed Abdulrahman,

Mohshen Sharif Ullah Siddique,

Barnawi

2024

Titanium-Based Alloys - Characteristics and Applications [Working Title]

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This chapter in this book will focus on the mechanical properties, including strength, toughness, and fatigue resistance, of titanium-based alloys and their significance in aerospace applications. It will discuss several types of titanium alloys and explore the unique characteristics of these alloys, such as high strength-to-weight ratio, corrosion resistance, and excellent high-temperature performance. The chapter also will discuss specific challenges and considerations in designing and manufacturing components using titanium-based alloys for aerospace applications, highlighting the benefits and limitations of these materials. Additionally, it will provide case studies and examples of successful applications in the aerospace industry, showcasing the uniqueness and effectiveness of titanium-based alloys in this field.

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“…TEOS is one of the most important and highly preferred organo-silicon derivatives [42] due to its eco-friendly and safe nature [43][44][45]. It is used as a precursor to protect the surface from corrosion [46,47], in drug delivery [48], the textile industry [49], regenerative medicine [50], and plasma polymerization [43,[50][51][52][53][54]. It is frequently used in the semiconductor industry for the fabrication of various silicon oxide films [55][56][57].…”

Section: Introductionmentioning

confidence: 99%

Electron impact cross-sections of tetraethyl silicate

Luthra¹,

Garkoti²,

Goswami³

et al. 2022

Plasma Sources Sci. Technol.

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The understanding of electron interactions with molecules in plasma is of vital importance from academic and technological point of view. The reliable electron collision data is required to model the electron and ion components of low-temperature and non-equilibrium plasmas. Various electron impact cross-sections like the differential, integral, momentum transfer, partial and total ionizations are reported for tetraethyl silicate (TEOS), a plasma relevant molecule in the energy range between ionization threshold and 5~keV. The elastic (differential, integral and momentum transfer) cross-sections are obtained by invoking the molecular approach and local potential approximation within the single center expansion formalism. The dissociative ionization cross-sections are reported with in the binary-encounter-Bethe (BEB) model formalism. The elastic and ionization cross-sections are summed incoherently to estimate total cross-sections. A good agreement is observed between the present and available results. This work validates the efficacy of the modified-BEB model in computing the partial ionization cross-sections.

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TEOS thin films obtained by plasma polymerization on Ti6Al4V alloys: Influence of the deposition pressure on surface properties and cellular response

Cited by 5 publications

References 34 publications

Eucalyptus globulus essential oil thin film polymerized by cold plasma on Ti6Al4V: Sterilization effect, antibacterial activity, adhesion, and viability of mesenchymal stem cells

Eucalyptus globulus essential oil thin film polymerized by cold plasma on Ti6Al4V: Sterilization effect, antibacterial activity, adhesion, and viability of mesenchymal stem cells

Mechanical Properties and Performance of Titanium-Based Alloys Used in Aerospace Applications

Electron impact cross-sections of tetraethyl silicate

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