DENTAL MATERIALS JOURNAL
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2025
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IF 1.9
Ting YANG,Wenjie HU,Kwok-Hung CHUNG,Fuhua YANG,Hua YANG
Sandblasted with large grits and acid-etched (SLA) surface topography has been a common method of implant surface modification to promote bone-implant integration in titanium-based dental implant manufacturing. However, the acid etching protocols used are various. The aim of this investigation was to validate the effect of different acid-etched treatments of sandblasted titanium surfaces on enhancing osteogenic potential. Five different titanium surface groups were prepared and tested including: i) smooth (Control), ii) sandblasted (SL), iii) sandblasted and acid-etched with H2SO4/HCl mixed solution (SLA/SOCl), iv) sandblasted and acid-etched with H2SO4 solution (SLA/SO), and v) sandblasted and acid-etched with HF solution (SLA/HF). The surface characterization, protein adsorption, and cell behavior were examined to determine the osteogenic potential. Compared with the control group, other surface treated groups showed rougher surface, better wettability, more protein absorption, and cell viability, especially in the SLA/SOCl surface group. The results indicated that SLA surfaces prepared with H2SO4/HCl mixed acid solution provided significant potential to promote osteogenesis.
研究领域:
生物材料学
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口腔医学
✓ 已验证
产品关联
DOI
PubMed
高影响因子
Journal of Energy Storage
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2021
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IF 6.583
Tiantian Zhang,Shi Juan,Wang Yi,Zhenqian Chen
Halloysite nanotube (HNT), a natural and environmentally friendly low-cost material with significant reserves, has become one of promising candidates for preparation of form-stable composite PCM with satisfactory thermal properties owing to their hollow tubule structure and high surface area. The present work prepared the form-stable composite with HNTs and acid etching HNTs (A-HNTs) and compares the properties closely related to thermal energy storage application. Specifically, the micromorphology, thermal properties, shape-stabilized properties, as well as thermal conductivities of the composite materials were characterized by utilizing SEM, TEM, FTIR, DSC, BET, and Hot-disk wire methods, respectively. The results showed that the n-octadecane can both adhere on the inner lumen and the outer wall of HNTs and A-HNTs, while the A-HNTs possess significantly improved absorption thanks to the fact that the pore volume of A-HNTs was enlarged by 19.2% in comparison with HNT, which empowers the extra 5.8% phase transition enthalpy of n-octadecane@A-HNT. In addition, the composite PCMs have a good long-term thermal stability based on multi-cycle heat absorption and release further highlights the potentials in thermal storage application.
研究领域:
材料科学
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纳米科技
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能源材料
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热力学
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环境友好材料
✓ 已验证
DOI
高影响因子
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
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2025
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IF 3.4
Pinzhen Chen
This study proposes an acid-etching surface treatment technology for treating the surface of carbon fiber/epoxy composites (CF/EP) to improve their physical and chemical properties, thereby achieving good adhesion with thermoplastic resins and high-quality resistance welding of CF/EP. The research shows that treating the CF/EP surface with concentrated sulfuric acid at 50°C for 45 minutes can significantly improve the single lap shear strength (LSS) of the CF/EP welding joint to 21.47 ± 1.2 MPa, which is 163.11% ± 14% higher than the LSS of the untreated sample. The acid etching surface treatment technology proposed in this paper is low-cost, simple to operate, and easy to replicate, combining innovation, feasibility, and economy. By analyzing the surface morphology, wettability, and chemical groups of the surface-treated samples, it can be seen that acid-etching treatment at an appropriate temperature and for a reasonable time can increase the surface roughness of CF/EP and introduce oxygen-containing chemical groups to the CF/EP surface, enhancing the wettability of the CF/EP surface and thereby improving the physical embedding and chemical bonding capabilities of the CF/EP surface.
研究领域:
材料科学
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复合材料
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表面工程
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焊接技术
✓ 已验证
DOI
高影响因子
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
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2020
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IF 6.155
Hui Liu,Rui Liu,Ihsan Ullah,Shuyuan Zhang,Ziqing Sun,Ling Ren,Ke Yang
Implant-related infection and early bone integration are the main risk factors of implants for long-term service, to overcome these difficulties, SLA-TiCu surface was prepared by sandblasting and large-grits etching (SLA) treatment on a novel antibacterial titanium-copper alloy (TiCu), which is the most prevalent surface treatment with micro/submicron hierarchical structures to titanium-based implants. Effects of SLA-TiCu surface on the adhesion, proliferation, apoptosis and differentiation of MC3T3-E1 cells as well as the antibacterial activity against a common orthopedic pathogen ( Staphylococcus aureus ) were studied. Compared to the following surfaces: sandblasting and large-grits etched pure titanium (SLA-Ti), mechanically ground pure titanium and TiCu alloy (M-Ti and M-TiCu), these results indicated that SLA-TiCu surface obviously enhanced the bone-related gene expressions (alkaline phosphates (ALP), collagen type I (COL I), Runt-related transcription factor 2 (RUN × 2), and osteopontin (OPN)). Moreover, SLA-TiCu surface could maintain a sustainable release of Cu 2+ ions and effectively inhibited the viability of bacteria. This study demonstrated that SLA-TiCu surface possessed multifunctional characteristics of improved osteogenic ability and antibacterial activity, making it promising as a novel implant material for hard tissue repairs such as orthopedics and dental implants .
研究领域:
材料科学
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生物材料
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骨科
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牙科
✓ 已验证
产品关联
DOI
高影响因子
危险品化学品经营许可证（带存储）