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Karakurt EM, Cetin Y, Incesu A, Demirtas H, Kaya M, Yildizhan Y, Tosun M, Huang Y. Microstructural, Biomechanical, and In Vitro Studies of Ti-Nb-Zr Alloys Fabricated by Powder Metallurgy. MATERIALS (BASEL, SWITZERLAND) 2023; 16:4240. [PMID: 37374426 DOI: 10.3390/ma16124240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/02/2023] [Accepted: 06/05/2023] [Indexed: 06/29/2023]
Abstract
This study investigated the microstructures, mechanical performances, corrosion resistances, and in vitro studies of porous Ti-xNb-10Zr (x: 10 and 20; at. %) alloys. The alloys were fabricated by powder metallurgy with two categories of porosities, i.e., 21-25% and 50-56%, respectively. The space holder technique was employed to generate the high porosities. Microstructural analysis was performed by using various methods including scanning electron microscopy, energy dispersive spectroscopy, electron backscatter diffraction, and x-ray diffraction. Corrosion resistance was assessed via electrochemical polarisation tests, while mechanical behavior was determined by uniaxial compressive tests. In vitro studies, such as cell viability and proliferation, adhesion potential, and genotoxicity, were examined by performing an MTT assay, fibronectin adsorption, and plasmid-DNA interaction assay. Experimental results showed that the alloys had a dual-phase microstructure composed of finely dispersed acicular hcp α-Ti needles in the bcc β-Ti matrix. The ultimate compressive strength ranged from 1019 MPa to 767 MPa for alloys with 21-25% porosities and from 173 MPa to 78 MPa for alloys with 50-56% porosities. Noted that adding a space holder agent played a more critical role in the mechanical behaviors of the alloys compared to adding niobium. The pores were largely open and exhibited irregular shapes, with uniform size distribution, allowing for cell ingrowth. Histological analysis showed that the alloys studied met the biocompatibility criteria required for orthopaedic biomaterial use.
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Affiliation(s)
- Eyyup Murat Karakurt
- BCAST, Institute of Materials and Manufacturing, Brunel University London, Uxbridge, London UB8 3PH, UK
| | - Yuksel Cetin
- TUBITAK, Marmara Research Center, Life Sciences, Medical Biotechnology Unit, Kocaeli 41470, Turkey
| | - Alper Incesu
- TOBB Technical Sciences Vocational School, Karabuk University, Karabuk 78050, Turkey
| | - Huseyin Demirtas
- TOBB Technical Sciences Vocational School, Karabuk University, Karabuk 78050, Turkey
| | - Mehmet Kaya
- Machinery and Metal Technologies Departmant, Corlu Vocational School, Tekirdag Namik Kemal University, Tekirdag 59830, Turkey
| | - Yasemin Yildizhan
- TUBITAK, Marmara Research Center, Life Sciences, Medical Biotechnology Unit, Kocaeli 41470, Turkey
| | - Merve Tosun
- TUBITAK, Marmara Research Center, Life Sciences, Medical Biotechnology Unit, Kocaeli 41470, Turkey
| | - Yan Huang
- BCAST, Institute of Materials and Manufacturing, Brunel University London, Uxbridge, London UB8 3PH, UK
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Xu J, Zhang J, Shi Y, Tang J, Huang D, Yan M, Dargusch MS. Surface Modification of Biomedical Ti and Ti Alloys: A Review on Current Advances. MATERIALS 2022; 15:ma15051749. [PMID: 35268983 PMCID: PMC8911755 DOI: 10.3390/ma15051749] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/10/2022] [Accepted: 02/18/2022] [Indexed: 02/06/2023]
Abstract
Ti is widely used as a material for orthopedic implants. As rapid and effective osseointegration is a key factor for the successful application of implants, biologically inert Ti materials start to show inherent limitations, such as poor surface cell adhesion, bioactivity, and bone-growth-inducing capabilities. Surface modification can be an efficient and effective approach to addressing the biocompatibility, mechanical, and functionality issues of the various Ti implant materials. In this study, we have overviewed more than 140 papers to summarize the recent progress in the surface modification of Ti implants by physical and/or chemical modification approaches, aiming at optimizing their wear resistance, biocompatibility, and antimicrobial properties. As an advanced manufacturing technology for Ti and Ti alloys, additive manufacturing was particularly addressed in this review. We also provide an outlook for future research directions in this field as a contribution to the development of advanced Ti implants for biomedical applications.
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Affiliation(s)
- Jingyuan Xu
- School of Mechanical and Mining Engineering, The University of Queensland, Brisbane 4072, Australia;
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
| | - Jiawen Zhang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
| | - Yangfan Shi
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
| | - Jincheng Tang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
| | - Danni Huang
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
| | - Ming Yan
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
- Correspondence: (M.Y.); (M.S.D.)
| | - Matthew S. Dargusch
- Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; (J.Z.); (Y.S.); (J.T.); (D.H.)
- Correspondence: (M.Y.); (M.S.D.)
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Pylypenko O, Smirnova O, Skorynina-Pohrebna O, Khoroshev O. Studying the Insulating Properties of Oxide Films Obtained on the Ti6A14V Alloy in Tartaric Acid Solutions Using the Method of Electrochemical Decoration by Copper. CHEMISTRY & CHEMICAL TECHNOLOGY 2021. [DOI: 10.23939/chcht15.04.526] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The investigation data of the formation peculiarities of oxide films on the Ti6A14V alloy in tartaric acid solutions have been given. It is shown that the behavior of alloy forming dependences is conditioned by the anode current density. At ja < 0.5 A∙dm-2 the continuous oxide film is not formed on the alloy surface and the preset value of the final voltage on the cell is not reached. With an increase in ja > 0.5 A∙dm-2, alloy forming dependences show a linear behavior that is indicative of the formation of low porous films. In these conditions, the oxide film formation rate is in direct proportion to the value of ja. The electrochemical oxidation of Ti6A14V alloy in tartaric acid solutions results in the formation of interference-colored oxide films. The oxide film ultimate thickness and color are defined by the preset voltage and are independent of the current density and electrolyte concentration. The isolating properties of obtained films were studied by the way of the cathode polarization of oxidized specimens in the sulfate copper-plating electrolyte. The research done allows us to make a conclusion that electrochemical copper deposition is a convenient tool for the detection of defective spots in oxide films. It is shown that due to the specific features of the reduction kinetics of Cu2+ ions on the oxidized titanium it is reasonable to use for the studies the initial sections of polarization dependences that correspond to ΔE = 0.2–0.25 V. The alloy polarization dependences allow us to establish unavailability of apparent dependences between the oxidation current density, the electrolyte concentration, the cell final voltage value and the polarization that occurs during the Cu2+ ion reduction. The anodic connection of copper-coated specimens conditions the reversible dissolution of a greater portion of the specks of copper deposits. It is indicative of the electron conduction of film defects. The obtained data allow us to vary the electrolysis parameters in a wide range with no significant influence of the treatment mode of Ti6A14V alloy on the quality of oxide coatings.
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Tang Z, Wei X, Li T, Wu H, Xiao X, Hao Y, Li S, Hou W, Shi L, Li X, Guo Z. Three-Dimensionally Printed Ti2448 With Low Stiffness Enhanced Angiogenesis and Osteogenesis by Regulating Macrophage Polarization via Piezo1/YAP Signaling Axis. Front Cell Dev Biol 2021; 9:750948. [PMID: 34869337 PMCID: PMC8634253 DOI: 10.3389/fcell.2021.750948] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 10/25/2021] [Indexed: 12/23/2022] Open
Abstract
Previous studies have found that the novel low-elastic-modulus Ti2448 alloy can significantly reduce stress shielding and contribute to better bone repair than the conventional Ti6Al4V alloy. In this study, the promotion of osteogenesis and angiogenesis by three-dimensionally printed Ti2448 were also observed in vivo. However, these were not significant in a series of in vitro tests. The stiffness of materials has been reported to greatly affect the response of macrophages, and the immunological regulation mediated by macrophages directly determines the fate of bone implants. Therefore, we designed more experiments to explore the role of three-dimensionally printed Ti2448 in macrophage activation and related osteogenesis and angiogenesis. As expected, we found a significant increase in the number of M2 macrophages around Ti2448 implants, as well as better osteogenesis and angiogenesis in vivo. In vitro studies also showed that macrophages pre-treated with Ti2448 alloy significantly promoted angiogenesis and osteogenic differentiation through increased PDGF-BB and BMP-2 secretion, and the polarization of M2 macrophages was enhanced. We deduced that Ti2448 promotes angiogenesis and osteogenesis through Piezo1/YAP signaling axis-mediated macrophage polarization and related cytokine secretion. This research might provide insight into the biological properties of Ti2448 and provide a powerful theoretical supplement for the future application of three-dimensionally printed Ti2448 implants in orthopaedic surgery.
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Affiliation(s)
- Zhen Tang
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xinghui Wei
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Tian Li
- School of Basic Medicine, Fourth Military Medical University, Xi'an, China
| | - Hao Wu
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xin Xiao
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Yulin Hao
- Institute of Metal Research, Chinese Academy of Science, Shenyang, China
| | - Shujun Li
- Institute of Metal Research, Chinese Academy of Science, Shenyang, China
| | - Wentao Hou
- Institute of Metal Research, Chinese Academy of Science, Shenyang, China
| | - Lei Shi
- Department of Orthopaedics, Xijing Hospital, Fourth Military Medical University, Xi'an, China
| | - Xiaokang Li
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
| | - Zheng Guo
- Department of Orthopaedics, Tangdu Hospital, Fourth Military Medical University, Xi'an, China
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Sultana A, Zare M, Luo H, Ramakrishna S. Surface Engineering Strategies to Enhance the In Situ Performance of Medical Devices Including Atomic Scale Engineering. Int J Mol Sci 2021; 22:11788. [PMID: 34769219 PMCID: PMC8583812 DOI: 10.3390/ijms222111788] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 10/14/2021] [Accepted: 10/26/2021] [Indexed: 12/13/2022] Open
Abstract
Decades of intense scientific research investigations clearly suggest that only a subset of a large number of metals, ceramics, polymers, composites, and nanomaterials are suitable as biomaterials for a growing number of biomedical devices and biomedical uses. However, biomaterials are prone to microbial infection due to Escherichia coli (E. coli), Staphylococcus aureus (S. aureus), Staphylococcus epidermidis (S. epidermidis), hepatitis, tuberculosis, human immunodeficiency virus (HIV), and many more. Hence, a range of surface engineering strategies are devised in order to achieve desired biocompatibility and antimicrobial performance in situ. Surface engineering strategies are a group of techniques that alter or modify the surface properties of the material in order to obtain a product with desired functionalities. There are two categories of surface engineering methods: conventional surface engineering methods (such as coating, bioactive coating, plasma spray coating, hydrothermal, lithography, shot peening, and electrophoretic deposition) and emerging surface engineering methods (laser treatment, robot laser treatment, electrospinning, electrospray, additive manufacturing, and radio frequency magnetron sputtering technique). Atomic-scale engineering, such as chemical vapor deposition, atomic layer etching, plasma immersion ion deposition, and atomic layer deposition, is a subsection of emerging technology that has demonstrated improved control and flexibility at finer length scales than compared to the conventional methods. With the advancements in technologies and the demand for even better control of biomaterial surfaces, research efforts in recent years are aimed at the atomic scale and molecular scale while incorporating functional agents in order to elicit optimal in situ performance. The functional agents include synthetic materials (monolithic ZnO, quaternary ammonium salts, silver nano-clusters, titanium dioxide, and graphene) and natural materials (chitosan, totarol, botanical extracts, and nisin). This review highlights the various strategies of surface engineering of biomaterial including their functional mechanism, applications, and shortcomings. Additionally, this review article emphasizes atomic scale engineering of biomaterials for fabricating antimicrobial biomaterials and explores their challenges.
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Affiliation(s)
- Afreen Sultana
- Center for Nanotechnology & Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (A.S.); (S.R.)
| | - Mina Zare
- Center for Nanotechnology & Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (A.S.); (S.R.)
| | - Hongrong Luo
- Engineering Research Center in Biomaterials, Sichuan University, Chengdu 610064, China
| | - Seeram Ramakrishna
- Center for Nanotechnology & Sustainability, Department of Mechanical Engineering, National University of Singapore, Singapore 117581, Singapore; (A.S.); (S.R.)
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Gopalakrishnan U, Felicita AS, Mahendra L, Kanji MA, Varadarajan S, Raj AT, Feroz SMA, Mehta D, Baeshen HA, Patil S. Assessing the Potential Association Between Microbes and Corrosion of Intra-Oral Metallic Alloy-Based Dental Appliances Through a Systematic Review of the Literature. Front Bioeng Biotechnol 2021; 9:631103. [PMID: 33791285 PMCID: PMC8005604 DOI: 10.3389/fbioe.2021.631103] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 02/11/2021] [Indexed: 12/02/2022] Open
Abstract
Objective: Systematic review assessing the association between oral microorganisms and corrosion of intra-oral metallic alloy-based dental appliances. Design: PubMed, Scopus, and Web of Science were searched using keyword combinations such as microbes and oral and corrosion; microbes and dental and corrosion; microorganisms and oral and corrosion; microorganisms and dental and corrosion. Results: Out of 141 articles, only 25 satisfied the selection criteria. Lactobacillus reuteri, Streptococcus mutans, Streptococcus sanguis, Streptococcus mitis, Streptococcus sobrinus, Streptococcus salivarius, sulfate-reducing bacteria, sulfate oxidizing bacteria, Veilonella, Actinomyces, Candida albicans were found to have a potential association with corrosion of intraoral metallic alloys such as stainless steel, titanium, nickel, cobalt-chromium, neodymium-iron-boron magnets, zirconia, amalgam, copper aluminum, and precious metal alloys. Conclusion: The included studies inferred an association between oral microorganisms and intra-oral metallic alloys-based dental appliances, although, it is vital to acknowledge that most studies in the review employed an in-vitro simulation of the intra-oral condition.
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Affiliation(s)
| | - A Sumathi Felicita
- Department of Orthodontics, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India
| | - Lodd Mahendra
- Department of Orthodontics, Sri Venkateswara Dental College and Hospital, Chennai, India
| | - Masroor Ahmed Kanji
- Department of Prosthodontics, College of Applied Sciences, King Khalid University, Abha, Saudi Arabia
| | - Saranya Varadarajan
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | - A Thirumal Raj
- Department of Oral Pathology and Microbiology, Sri Venkateswara Dental College and Hospital, Chennai, India
| | | | - Deepak Mehta
- Department of Preventive and Restorative Dentistry, College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Hosam Ali Baeshen
- Department of Orthodontics, College of Dentistry, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Shankargouda Patil
- Division of Oral Pathology, Department of Maxillofacial Surgery and Diagnostic Sciences, College of Dentistry, Jazan University, Jazan, Saudi Arabia
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Comparison of the osteoblastic activity of low elastic modulus Ti-24Nb-4Zr-8Sn alloy and pure titanium modified by physical and chemical methods. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 113:111018. [PMID: 32487417 DOI: 10.1016/j.msec.2020.111018] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 04/13/2020] [Accepted: 04/24/2020] [Indexed: 02/07/2023]
Abstract
Ti-24Nb-4Zr-8Sn (Ti2448) alloy is a novel low elastic modulus β-titanium alloy without toxic elements. It also has the advantage of high strength, so it has potential application prospects for implantation. To develop its osteogenic effects, it can be modified by electrochemical, and physical processes. The main research aim of this study was to explore the bioactivity of Ti2448 alloy modified by sandblasted, large-grit, acid-etched (SLA), micro-arc oxidation (MAO) and anodic oxidation (AO), and to determine which of the three surface modifications is the best way for developing the osteogenesis of bone marrow mesenchymal stem cells (BMMSCs). In vitro studies, the cytoskeleton, focal adhesion and proliferation of BMMSCs showed that both pure titanium and Ti2448 alloy have good biocompatibility. The osteogenic differentiation of BMMSCs with the Ti2448 alloy were examined by detecting alkaline phosphatase (ALP), mineralization nodules and osteogenic proteins and were better than that with pure titanium. These results showed that the Ti2448 alloy treated by SLA has a better effect on osteogenesis than pure titanium, and AO is the best way of three surface treatments to improve osteogenesis in this study.
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Eliaz N. Corrosion of Metallic Biomaterials: A Review. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E407. [PMID: 30696087 PMCID: PMC6384782 DOI: 10.3390/ma12030407] [Citation(s) in RCA: 235] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/25/2019] [Accepted: 01/26/2019] [Indexed: 12/15/2022]
Abstract
Metallic biomaterials are used in medical devices in humans more than any other family of materials. The corrosion resistance of an implant material affects its functionality and durability and is a prime factor governing biocompatibility. The fundamental paradigm of metallic biomaterials, except biodegradable metals, has been "the more corrosion resistant, the more biocompatible." The body environment is harsh and raises several challenges with respect to corrosion control. In this invited review paper, the body environment is analysed in detail and the possible effects of the corrosion of different biomaterials on biocompatibility are discussed. Then, the kinetics of corrosion, passivity, its breakdown and regeneration in vivo are conferred. Next, the mostly used metallic biomaterials and their corrosion performance are reviewed. These biomaterials include stainless steels, cobalt-chromium alloys, titanium and its alloys, Nitinol shape memory alloy, dental amalgams, gold, metallic glasses and biodegradable metals. Then, the principles of implant failure, retrieval and failure analysis are highlighted, followed by description of the most common corrosion processes in vivo. Finally, approaches to control the corrosion of metallic biomaterials are highlighted.
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Affiliation(s)
- Noam Eliaz
- Department of Materials Science and Engineering, Tel-Aviv University, Ramat Aviv 6997801, Israel.
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