Surface antibacterial properties enhanced through engineered textures and surface roughness: A review

Colloids and Surfaces B Biointerfaces, Год журнала: 2023, Номер 231, С. 113584 - 113584

Опубликована: Окт. 10, 2023

The spread of bacteria through contaminated surfaces is a major issue in healthcare, food industry, and other economic sectors. widespread use antibiotics not sustainable solution the long term due to development antibiotic resistance. Therefore, with antibacterial properties have potential be disruptive approach combat microbial contamination. Different methods approaches been studied impart or enhance on surfaces. surface roughness texture are inherent parameters that significantly impact surface. They also directly related previously employed machining treatment methods. This review article discusses correlation between presented discussed. It begins an introduction concepts texture, followed by description most commonly utilized A thorough analysis bacterial adhesion growth then presented. Finally, recent studies this research area comprehensively reviewed. sorted classified based methods, which divided into mechanical processes, treatments coatings. Through systematic record advances, authors aim assist promote further very promising extremely important direction, providing advances.

Язык: Английский

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Surface Modification and Functionalities for Titanium Dental Implants

ACS Biomaterials Science & Engineering, Год журнала: 2023, Номер 9(8), С. 4442 - 4461

Опубликована: Июль 31, 2023

Dental implants have become the mainstream strategy for oral restoration, and implant materials are most important research hot spot in this field. So far, Ti dominate all kinds of implants. The surface properties play decisive roles osseointegration antibacterial performance. Surface modifications can significantly change micro/nanotopography composition implants, which will effectively improve their hydrophilicity, mechanical properties, performance, etc. These optimizations thus success service life. In paper, latest modification techniques dental systematically comprehensively reviewed. various biomedical functionalities discussed in-depth. Finally, a profound comment on challenges opportunities frontier is proposed, promising directions future were explored.

Язык: Английский

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Laser surface texturing of Ti-cp and Ti6Al4V alloy for the improvement of fibroblast adhesion and alignment and the reduction of bacterial adhesion

Journal of Materials Research and Technology, Год журнала: 2024, Номер 29, С. 5464 - 5472

Опубликована: Март 1, 2024

Surface texturing is widely investigated for the modulation of surface properties and biological response implantable materials. Laser a green technology obtainment specific patterns without employment toxic chemicals. In present research, picosecond laser treatment was applied to commercially pure titanium Ti6Al4V alloy aligned grooves characterized by micrometric width spacing but submicrometric depth promote fibroblast alignment discourage bacterial adhesion. topography roughness laser-textured surfaces were using confocal microscopy, contact profiler, Scanning Electron Microscopy. Zeta potential titration curves angle measurements used investigation charge wettability, while X-Ray Diffraction employed crystallographic characterization. Finally, (fibroblast adhesion adhesion) assessed. Similar results obtained on Ti Ti6Al4V. Grooves with designed features (about 15 μm spaced 0.2μ deep) treated had complex micro- nano-scale morphology which reduced wettability. No evident chemical modification occurred. The biocompatible guidance effect human fibroblasts. anti-adhesive action bacteria (Staphylococcus aureus).

Язык: Английский

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Laser‐Textured Surfaces: A Way to Control Biofilm Formation?

Laser & Photonics Review, Год журнала: 2023, Номер 18(1)

Опубликована: Ноя. 14, 2023

Abstract Bacterial biofilms pose serious problems in medical and industrial settings. One of the major societal challenges lies increasing resistance bacteria against biocides used antimicrobial treatments, e.g., via overabundant use medicine, industry, agriculture or cleaning disinfection private households. Hence, new efficient bacteria‐repellent strategies avoiding are strongly desired. promising route to achieve surfaces contactless aseptic large‐area laser‐processing technical surfaces. Tailored surface textures, enabled by different that result topographic scales ranging from nanometers micrometers may provide a solution this challenge. This article presents current state‐of‐the‐art review laser‐surface subtractive texturing approaches for controlling biofilm formation bacterial strains environments. Based on specific properties laser‐processed surfaces, anti‐microbial designs discussed, future directions will be outlined.

Язык: Английский

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Metallic glasses for biological applications and opportunities opened by laser surface texturing: A review

Applied Surface Science, Год журнала: 2024, Номер 670, С. 160617 - 160617

Опубликована: Июнь 27, 2024

Implants and surgical tools are commonly used in the medical field. However, issues including poor osseointegration, rejection, or bacterial contamination may still occasionally occur, causing serious complications susceptible to lead even patient death. It is therefore necessary move toward new alternative advanced surfaces, that possess both antibacterial properties improved biocompatibility compared with existing solutions. Metallic glasses constitute this kind of promising materials, gathering a high physico-chemical resistance combined outstanding mechanical properties. The first part review explores interest metallic for biomedical applications, focuses on their biological considered under two forms: bulk, as well thin films. behaviour these towards micro-organisms (bacteria, cells particular) then described. Besides, surface texturing by pulsed laser represents further degree freedom deeply functionalize glasses' surface. induced modifications not only concern morphology surface, but also its chemistry at small scale. In sense, demonstrates importance such modification properties, dynamic surfaces particular. Finally, last dedicated latest developments ultrashort irradiation glasses. shown how nano-engineered can influence Explanations rely patterning design one hand, irradiated material other hand.

Язык: Английский

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Tailoring of bioactive glass and glass-ceramics properties for in vitro and in vivo response optimization: a review

Biomaterials Science, Год журнала: 2024, Номер 12(18), С. 4546 - 4589

Опубликована: Янв. 1, 2024

Bioactive glasses are inorganic biocompatible materials that can find applications in many biomedical fields. The main application is bone and dental tissue engineering. However, some contact with soft tissues emerging. It well known both bulk (such as composition) surface properties morphology wettability) of an implanted material influence the response cells implant. This review aims to elucidate compare strategies employed modulate cell behavior bioactive glasses. first part this focused on doping ions drugs, which be incorporated into bioceramic impart several therapeutic properties, such osteogenic, proangiogenic, or/and antibacterial ones. second devoted chemical functionalization using extra-cellular matrix proteins, vitamins, polyphenols. In third final part, physical modifications surfaces reviewed. Both top-down (removing from surface, for example laser treatment etching strategies) bottom-up (depositing through deposition coatings) discussed.

Язык: Английский

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Femtosecond laser upscaling strategy and biological validation for dental screws with improved osteogenic performance

Surfaces and Interfaces, Год журнала: 2025, Номер unknown, С. 106546 - 106546

Опубликована: Апрель 1, 2025

Язык: Английский

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Design and Fabrication of Bioactive and Antibacterial LIPSS Surfaces on Titanium Alloy by Femtosecond Laser

ACS Applied Bio Materials, Год журнала: 2025, Номер unknown

Опубликована: Март 31, 2025

A titanium alloy is widely used in implants for its excellent mechanical properties and corrosion resistance. However, the bonding strength between a bone tissue low, bacterial adhesion easily triggered on implant surface, which may cause failure of implants. Therefore, surface modification necessary to improve biological activity antibacterial properties. In this work, four different types laser-induced periodic structure (LIPSS) surfaces are designed fabricated TiNi by femtosecond laser according size MC3T3-E1 mouse embryonic osteoblasts. The vitro osteogenic LIPSS investigated. It found that helps activity, bonelike apatite tends deposit distribute LIPSS. evaluated through cell culture experiments Escherichia coli experiments. demonstrated horizontal sample with width 30 μm has highest proliferation rate (142.5% after 1 day, 132.3% 3 days) good (50.2%). These results provide guidance application biocompatibility aspects.

Язык: Английский

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Photocatalytic and antibacterial activity properties of Ti surface treated by femtosecond laser–a prospective solution to peri-implant disease

Scientific Reports, Год журнала: 2024, Номер 14(1)

Опубликована: Сен. 9, 2024

Язык: Английский

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Guidance of Osteoblast Migration Using Femtosecond Laser-Induced Hierarchical Structures

Coatings, Год журнала: 2025, Номер 15(2), С. 127 - 127

Опубликована: Янв. 23, 2025

The adhesion and alignment of osteoblasts fibroblasts on titanium alloy (Ti-6Al-4V) surfaces can be adjusted over a wide range by femtosecond laser treatment anodization. great differences in cell behavior between different experimental conditions raised further questions about the role migration, which will addressed this study. For that, Ti-6Al-4V were laser-structured to obtain surface covered with ripples, i.e., laser-induced periodic structures (LIPSS), or micro-cones superimposed ripples. Then, cells seeded either directly onto non-structured areas samples beside such where they reach migration. After two weeks culture, coverage was evaluated scanning electron microscopy (SEM). results showed that nearly completely eventually aligned along ripple direction for areas. In contrast, cell-seeding samples, remain cell-free while similar non-oriented manner as direct cell-seeding. These reduced osteoblast migration due structuring are line findings animal experiments. There, new bone formation laser-processed 26.1% ± 16.9% lower comparison untreated same type, explained hindered screws.

Язык: Английский

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