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Singh N, Srikanth KP, Gopal V, Rajput M, Manivasagam G, Prashanth KG, Chatterjee K, Suwas S. In situ production of low-modulus Ti-Nb alloys by selective laser melting and their functional assessment toward orthopedic applications. J Mater Chem B 2024; 12:5982-5993. [PMID: 38809161 DOI: 10.1039/d4tb00379a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/30/2024]
Abstract
This work aimed to manufacture Ti-28.5Nb and Ti-40.0Nb (wt%) alloys in situ via selective laser melting (SLM) from Ti and Nb elemental powders. X-ray diffraction analysis revealed complete β-phase (cubic) in Ti-40.0Nb and a mixture of (α'' orthorhombic + β cubic) phases in Ti-28.5Nb were formed, whereas few of the Nb particles remained only partially fused during manufacturing. The fraction of partially melted Nb particles was determined as ∼2 and ∼18% in Ti-28.5Nb and Ti-40Nb, respectively. Mechanical characterization revealed higher hardness and more strength in Ti-28.5Nb than in Ti-40.0Nb due to the presence of the α'' phase in the former. Tribocorrosion tests reveal a significantly better wear-corrosion resistance for Ti-40.0Nb, as determined from a lower total volume loss in Ti-40.0Nb (∼2 × 10-4 mm-3) than in Ti-28.5Nb (∼13 × 10-2 mm-3). The lower volume loss and better corrosion resistance behavior are attributed to the β phase, which was dominant in Ti-40.0Nb. Cell studies reveal no toxicity for up to 7 days. Both the alloys were better at supporting cell proliferation than wrought Ti6Al4V. This study presents a route to preparing Ti-Nb alloys in situ by SLM that are promising candidates for biomedical applications.
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Affiliation(s)
- Neera Singh
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
- Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
| | - K P Srikanth
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Vasanth Gopal
- Department of Physics, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
| | - Monika Rajput
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Geetha Manivasagam
- Department of Physics, School of Advanced Sciences, Vellore Institute of Technology, Vellore 632014, India
- CBCMT, School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, India
| | - K G Prashanth
- Department of Mechanical and Industrial Engineering, Tallinn University of Technology, Ehitajate tee 5, 19086 Tallinn, Estonia
- CBCMT, School of Mechanical Engineering, Vellore Institute of Technology, Vellore 632014, India
| | - Kaushik Chatterjee
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Satyam Suwas
- Department of Materials Engineering, Indian Institute of Science, Bangalore 560012, India.
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2
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Dürig J, Calcagni M, Buschmann J. Transition metals in angiogenesis - A narrative review. Mater Today Bio 2023; 22:100757. [PMID: 37593220 PMCID: PMC10430620 DOI: 10.1016/j.mtbio.2023.100757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/14/2023] [Accepted: 07/31/2023] [Indexed: 08/19/2023] Open
Abstract
The aim of this paper is to offer a narrative review of the literature regarding the influence of transition metals on angiogenesis, excluding lanthanides and actinides. To our knowledge there are not any reviews up to date offering such a summary, which inclined us to write this paper. Angiogenesis describes the process of blood vessel formation, which is an essential requirement for human growth and development. When the complex interplay between pro- and antiangiogenic mediators falls out of balance, angiogenesis can quickly become harmful. As it is so fundamental, both its inhibition and enhancement take part in various diseases, making it a target for therapeutic treatments. Current methods come with limitations, therefore, novel agents are constantly being researched, with metal agents offering promising results. Various transition metals have already been investigated in-depth, with studies indicating both pro- and antiangiogenic properties, respectively. The transition metals are being applied in various formulations, such as nanoparticles, complexes, or scaffold materials. Albeit the increasing attention this field is receiving, there remain many unanswered questions, mostly regarding the molecular mechanisms behind the observed effects. Notably, approximately half of all the transition metals have not yet been investigated regarding potential angiogenic effects. Considering the promising results which have already been established, it should be of great interest to begin investigating the remaining elements whilst also further analyzing the established effects.
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Affiliation(s)
- Johannes Dürig
- University of Zürich, Faculty of Medicine, Pestalozzistrasse 3, 8032, Zurich, Switzerland
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Maurizio Calcagni
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
| | - Johanna Buschmann
- University Hospital of Zürich, Department of Plastic Surgery and Hand Surgery, Rämistrasse 100, 8091, Zürich, Switzerland
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3
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Ak A. Fibroblast Cell Responses to Vanadium and Niobium Titanium Alloys: A Biocompatibility Study. ACS OMEGA 2023; 8:33802-33808. [PMID: 37744787 PMCID: PMC10515373 DOI: 10.1021/acsomega.3c04252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/21/2023] [Indexed: 09/26/2023]
Abstract
The interactions of a biomaterial with tissues must be determined for the material to be fully compatible with the body for a long time. The tissue and environment where the material is implanted are highly affected by its content. Titanium-6Aluminum-4Vanadium is widely used in orthopedics and dentistry. Recently, Titanium-6Aluminum-7Niobium alloys have been studied because of Titanium-6Aluminum-4Vanadium toxicity, which may be caused by vanadium. The aim of this study was to determine whether Titanium-6Aluminum-4Vanadium and Titanium-6Aluminum-7Niobium affect fibroblast cell proliferation, mineralization, and collagen production and whether they change the expression of type 1 collagen and fibronectin genes. It was determined that the niobium-containing alloy increased cell proliferation and calcium mineralization compared with the vanadium-containing alloy (p < 0.05). However, the alloys did not cause changes in the expression of collagen type 1 or fibronectin in cells. The collagen content of the cells on the niobium-containing alloy was lower than that on both the vanadium-containing alloy and tissue culture plate surface (p < 0.05). The niobium-containing alloy was found to be superior to the vanadium-containing alloy in terms of cell proliferation and calcium mineralization. Furthermore, neither vanadium-containing alloy nor niobium-containing alloy implant materials altered gene expression. Although both alloys are considered compatible with bone tissue, it should be considered whether they are also biocompatible with fibroblast cells.
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Affiliation(s)
- Ayse Ak
- Kocaeli Vocational School
of Health Services, Department of Medical Services and Techniques,
Medical Imaging Techniques Program, Kocaeli
University, Kocaeli 41380, Turkey
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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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Oliveira L, Pereira M, Pacheli Heitman A, Filho J, Oliveira C, Ziolek M. Niobium: The Focus on Catalytic Application in the Conversion of Biomass and Biomass Derivatives. Molecules 2023; 28:1527. [PMID: 36838514 PMCID: PMC9960283 DOI: 10.3390/molecules28041527] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/25/2023] [Accepted: 01/28/2023] [Indexed: 02/09/2023] Open
Abstract
The world scenario regarding consumption and demand for products based on fossil fuels has demonstrated the imperative need to develop new technologies capable of using renewable resources. In this context, the use of biomass to obtain chemical intermediates and fuels has emerged as an important area of research in recent years, since it is a renewable source of carbon in great abundance. It has the benefit of not contributing to the additional emission of greenhouse gases since the CO2 released during the energy conversion process is consumed by it through photosynthesis. In the presented review, the authors provide an update of the literature in the field of biomass transformation with the use of niobium-containing catalysts, emphasizing the versatility of niobium compounds for the conversion of different types of biomass.
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Affiliation(s)
- Luiz Oliveira
- Departamento de Química, Campus Pampulha, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Márcio Pereira
- Instituto de Ciência, Engenharia e Tecnologia, Campus Mucuri, Universidade Federal dos Vales Jequitinhonha e Mucuri, Teófilo Otoni 39803-371, MG, Brazil
| | - Ana Pacheli Heitman
- Departamento de Química, Campus Pampulha, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - José Filho
- Departamento de Química, Campus Pampulha, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Cinthia Oliveira
- Departamento de Química, Campus Pampulha, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil
| | - Maria Ziolek
- Faculty of Chemistry, Adam Mickiewicz University, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
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Lee S, Lee G, Jeon G, Lee H, Park S, Sohn Y, Park Y, Ryu S. Anti-Aging and Lightening Effects of Au-Decorated Zeolite-Based Biocompatible Nanocomposites in Epidermal Delivery Systems. J Funct Biomater 2023; 14:jfb14020066. [PMID: 36826865 PMCID: PMC9964384 DOI: 10.3390/jfb14020066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/15/2023] [Accepted: 01/20/2023] [Indexed: 01/28/2023] Open
Abstract
The main challenges in developing zeolites as cosmetic drug delivery systems are their cytotoxicities and the formation of drug-loading pore structures. In this study, Au-decorated zeolite nanocomposites were synthesized as an epidermal delivery system. Thus, 50 nm-sized Au nanoparticles were successfully deposited on zeolite 13X (super cage (α) and sodalite (β) cage structures) using the Turkevich method. Various cosmetic drugs, such as niacinamide, sulforaphane, and adenosine, were loaded under in vitro and in vivo observations. The Au-decorated zeolite nanocomposites exhibited effective cosmetic drug-loading efficiencies of 3.5 to 22.5 wt% under various conditions. For in vitro cytotoxic observations, B16F10 cells were treated with various cosmetic drugs. Niacinamide, sulforaphane, and adenosine-loaded Au-decorated zeolite nanocomposites exhibited clear cell viability of over 80%. Wrinkle improvement and a reduction in melanin content on the skin surface were observed in vivo. The adenosine delivery system exhibited an enhanced wrinkle improvement of 203% compared to 0.04 wt% of the pure adenosine system. The niacinamide- and sulforaphane-loaded Au-decorated zeolite nanocomposites decreased the skin surface melanin content by 123% and 222%, respectively, compared to 2 and 0.01 wt% of pure niacinamide and sulforaphane systems, respectively. As a result, Au-decorated zeolite nanocomposites show great potential as cosmetic drug epidermal delivery systems for both anti-aging and lightening effects.
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Affiliation(s)
- Seungyeon Lee
- Department of Materials Science and Engineering, The University of Suwon, 17 Wauan-Gil, Bongdam-Eup, Hwaseong-si 18323, Gyeonggi-do, Republic of Korea
| | - Geunjeong Lee
- Gragem Co., Ltd. 21999, Room1009, 10F, Meet you all Tower Main 12, Geatbeol-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
| | - Giyoung Jeon
- Department of Materials Science and Engineering, The University of Suwon, 17 Wauan-Gil, Bongdam-Eup, Hwaseong-si 18323, Gyeonggi-do, Republic of Korea
| | - Hayeong Lee
- Department of Materials Science and Engineering, The University of Suwon, 17 Wauan-Gil, Bongdam-Eup, Hwaseong-si 18323, Gyeonggi-do, Republic of Korea
| | - Suhyeon Park
- Gragem Co., Ltd. 21999, Room1009, 10F, Meet you all Tower Main 12, Geatbeol-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
| | - Youngju Sohn
- Gragem Co., Ltd. 21999, Room1009, 10F, Meet you all Tower Main 12, Geatbeol-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
| | - Youngkum Park
- Gragem Co., Ltd. 21999, Room1009, 10F, Meet you all Tower Main 12, Geatbeol-ro, Yeonsu-gu, Incheon 21990, Republic of Korea
- Correspondence: (Y.P.); (S.R.); Tel.: +82-31-750-9766 (Y.P.); +82-32-458-5566 (S.R.)
| | - Seongwoo Ryu
- Department of Materials Science and Engineering, The University of Suwon, 17 Wauan-Gil, Bongdam-Eup, Hwaseong-si 18323, Gyeonggi-do, Republic of Korea
- Correspondence: (Y.P.); (S.R.); Tel.: +82-31-750-9766 (Y.P.); +82-32-458-5566 (S.R.)
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7
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Yazdi MK, Sajadi SM, Seidi F, Rabiee N, Fatahi Y, Rabiee M, Dominic C.D. M, Zarrintaj P, Formela K, Saeb MR, Bencherif SA. Clickable Polysaccharides for Biomedical Applications: A Comprehensive Review. Prog Polym Sci 2022; 133:101590. [PMID: 37779922 PMCID: PMC10540641 DOI: 10.1016/j.progpolymsci.2022.101590] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Recent advances in materials science and engineering highlight the importance of designing sophisticated biomaterials with well-defined architectures and tunable properties for emerging biomedical applications. Click chemistry, a powerful method allowing specific and controllable bioorthogonal reactions, has revolutionized our ability to make complex molecular structures with a high level of specificity, selectivity, and yield under mild conditions. These features combined with minimal byproduct formation have enabled the design of a wide range of macromolecular architectures from quick and versatile click reactions. Furthermore, copper-free click chemistry has resulted in a change of paradigm, allowing researchers to perform highly selective chemical reactions in biological environments to further understand the structure and function of cells. In living systems, introducing clickable groups into biomolecules such as polysaccharides (PSA) has been explored as a general approach to conduct medicinal chemistry and potentially help solve healthcare needs. De novo biosynthetic pathways for chemical synthesis have also been exploited and optimized to perform PSA-based bioconjugation inside living cells without interfering with their native processes or functions. This strategy obviates the need for laborious and costly chemical reactions which normally require extensive and time-consuming purification steps. Using these approaches, various PSA-based macromolecules have been manufactured as building blocks for the design of novel biomaterials. Clickable PSA provides a powerful and versatile toolbox for biomaterials scientists and will increasingly play a crucial role in the biomedical field. Specifically, bioclick reactions with PSA have been leveraged for the design of advanced drug delivery systems and minimally invasive injectable hydrogels. In this review article, we have outlined the key aspects and breadth of PSA-derived bioclick reactions as a powerful and versatile toolbox to design advanced polymeric biomaterials for biomedical applications such as molecular imaging, drug delivery, and tissue engineering. Additionally, we have also discussed the past achievements, present developments, and recent trends of clickable PSA-based biomaterials such as 3D printing, as well as their challenges, clinical translatability, and future perspectives.
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Affiliation(s)
- Mohsen Khodadadi Yazdi
- Jiangsu Co–Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, 210037 Nanjing, China
| | - S. Mohammad Sajadi
- Department of Nutrition, Cihan University-Erbil, Kurdistan Region, 625, Erbil, Iraq
- Department of Phytochemistry, SRC, Soran University, 624, KRG, Iraq
| | - Farzad Seidi
- Jiangsu Co–Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, 210037 Nanjing, China
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, New South Wales, 2109, Australia
| | - Yousef Fatahi
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Nanotechnology Research Centre, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Rabiee
- Biomaterial group, Department of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran
| | - Midhun Dominic C.D.
- Department of Chemistry, Sacred Heart College (Autonomous), Kochi, Kerala Pin-682013, India
| | - Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK 74078, United States
| | - Krzysztof Formela
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Mohammad Reza Saeb
- Department of Polymer Technology, Faculty of Chemistry, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Sidi A. Bencherif
- Department of Chemical Engineering, Northeastern University, Boston, MA, United States
- Department of Bioengineering, Northeastern University, Boston, MA, United States
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, United States
- Sorbonne University, UTC CNRS UMR 7338, Biomechanics and Bioengineering (BMBI), University of Technology of Compiègne, Compiègne, France
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8
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In Vitro Molecular Study of Titanium-Niobium Alloy Biocompatibility. Biomedicines 2022; 10:biomedicines10081898. [PMID: 36009444 PMCID: PMC9405746 DOI: 10.3390/biomedicines10081898] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 07/19/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022] Open
Abstract
Titanium dental implants have common clinical applications due to their biocompatibility, biophysical and biochemical characteristics. Although current titanium is thought to be safe and beneficial for patients, there are several indications that it may release toxic metal ions or metal nanoparticles from its alloys into the surrounding environment, which could lead to clinically relevant complications including toxic reactions as well as immune dysfunctions. Hence, an adequate selection and testing of medical biomaterial with outstanding properties are warranted. This study was designed to explore the biocompatibility of smooth titanium-niobium alloy (S_TiNb) versus smooth titanium commercially pure (S_TiCp)—a reference in implantology. All experiments were performed in vitro using human osteoblast-like SaOs-2 and monocyte THP-1 cell lines as models. Cell adhesion and growth morphology were determined by scanning electron microscopy, while cell viability was evaluated using WST-1 assay. Because niobate anions or niobium nanoparticles can be released from implants during biomaterial-cell interaction, potential immunotoxicity of potassium niobate (KNbO3) salt was evaluated by examining both metabolic activity and transcriptomic profiling of treated THP-1 monocytes. The main findings of this study are that S_TiCp and S_TiNb discs do not show an impact on the proliferation and viability of SaOs-2 cells compared to polystyrene surfaces, whereas a significant decrease in THP-1 cells’ viability and metabolic activity was observed in the presence of S_TiNb discs compared to the control group. However, no significant changes were found neither at the metabolic activity nor at the transcriptomic level of THP-1 monocytes exposed to KNbO3 salt, suggesting that niobium has no effect on the immune system. Overall, these data imply a possible toxicity of S_TiNb discs toward THP-1 cells, which may not be directly related to niobium but perhaps to the manufacturing process of titanium-niobium alloy. Thus, this limitation must be overcome to make titanium alloy an excellent material for medical applications.
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9
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Cutolo MA, Cafiero C, Califano L, Giaquinto M, Cusano A, Cutolo A. Feasibility analysis of an ultrasound on line diagnostic approach for oral and bone surgery. Sci Rep 2022; 12:905. [PMID: 35042892 PMCID: PMC8766520 DOI: 10.1038/s41598-022-04857-0] [Citation(s) in RCA: 2] [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: 07/07/2021] [Accepted: 12/15/2021] [Indexed: 11/08/2022] Open
Abstract
During implant surgery procedures, surgical precision is an essential prerequisite for the functional and aesthetic success of the prosthetic crown to be placed on the dental implant. A modern implant surgical approach should be standardized as much as possible to guarantee extreme precision in the insertion of the implant into the upper and lower bone jaws. Among the most common surgical errors during implant surgery there is the over-preparation of the surgical alveolus with possible damage to the contiguous anatomical structures. To avoid this problem, in the recent years, there has been an increasing attention to the development of new control techniques. In this paper, we describe an innovative ultrasound approach, which exploits the integration of an electro-acoustic transducer with the surgical drill used for realizing the alveolus in the bone that will host the implant. Specifically, he proposed approach is based on the "time-of-flight" detection technique for measuring the thickness of the residual bone subjected to the drilling. In order to demonstrate the feasibility of the proposed approach, here we report on a detailed numerical analysis aimed at studying the propagation of ultrasonic waves through the drill-bit and through the involved tissues. The obtained results confirm the validity of our approach, and enable for a future first prototype implementation of a hi-tech surgical drill-bit, which in general is suitable not only for dental implant surgery but also for other uses in oral surgery, maxillofacial surgery and for bone surgery.
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Affiliation(s)
- Maria Alessandra Cutolo
- Regional Center on Information Communication Technology (CeRICT) scrl, 82100, Benevento, Italy
| | - Carlo Cafiero
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131, Naples, Italy
| | - Luigi Califano
- Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples "Federico II", 80131, Naples, Italy
| | - Martino Giaquinto
- Optoelectronics Group, Engineering Department, University of Sannio, 82100, Benevento, Italy.
| | - Andrea Cusano
- Optoelectronics Group, Engineering Department, University of Sannio, 82100, Benevento, Italy
| | - Antonello Cutolo
- Department of Electrical Engineering and Information Technology, University of Naples "Federico II", 80121, Naples, Italy
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Synthesis and Characterization of a Novel Biocompatible Alloy, Ti-Nb-Zr-Ta-Sn. Int J Mol Sci 2021; 22:ijms221910611. [PMID: 34638960 PMCID: PMC8509052 DOI: 10.3390/ijms221910611] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 09/24/2021] [Accepted: 09/27/2021] [Indexed: 12/14/2022] Open
Abstract
Many current-generation biomedical implants are fabricated from the Ti-6Al-4V alloy because it has many attractive properties, such as low density and biocompatibility. However, the elastic modulus of this alloy is much larger than that of the surrounding bone, leading to bone resorption and, eventually, implant failure. In the present study, we synthesized and performed a detailed analysis of a novel low elastic modulus Ti-based alloy (Ti-28Nb-5Zr-2Ta-2Sn (TNZTS alloy)) using a variety of methods, including scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and tensile test. Additionally, the in vitro biocompatibility of the TNZTS alloy was evaluated using SCP-1, SaOs-2, and THP-1 cell lines and primary human osteoblasts. Compared to Ti-6Al-4V, the elastic modulus of TNZTS alloy was significantly lower, while measures of its in vitro biocompatibility are comparable. O2 plasma treatment of the surface of the alloy significantly increased its hydrophilicity and, hence, its in vitro biocompatibility. TNZTS alloy specimens did not induce the release of cytokines by macrophages, indicating that such scaffolds would not trigger inflammatory responses. The present results suggest that the TNZTS alloy may have potential as an alternative to Ti-6Al-4V.
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11
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Zarrintaj P, Khodadadi Yazdi M, Youssefi Azarfam M, Zare M, Ramsey JD, Seidi F, Reza Saeb M, Ramakrishna S, Mozafari M. Injectable Cell-Laden Hydrogels for Tissue Engineering: Recent Advances and Future Opportunities. Tissue Eng Part A 2021; 27:821-843. [PMID: 33779319 DOI: 10.1089/ten.tea.2020.0341] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Tissue engineering intends to create functionalized tissues/organs for regenerating the injured parts of the body using cells and scaffolds. A scaffold as a supporting substrate affects the cells' fate and behavior, including growth, proliferation, migration, and differentiation. Hydrogel as a biomimetic scaffold plays an important role in cellular behaviors and tissue repair, providing a microenvironment close to the extracellular matrix with adjustable mechanical and chemical features that can provide sufficient nutrients and oxygen. To enhance the hydrogel performance and compatibility with native niche, the cell-laden hydrogel is an attractive choice to mimic the function of the targeted tissue. Injectable hydrogels, due to the injectability, are ideal options for in vivo minimally invasive treatment. Cell-laden injectable hydrogels can be utilized for tissue regeneration in a noninvasive way. This article reviews the recent advances and future opportunities of cell-laden injectable hydrogels and their functions in tissue engineering. It is expected that this strategy allows medical scientists to develop a minimally invasive method for tissue regeneration in clinical settings. Impact statement Cell-laden hydrogels have been vastly utilized in biomedical application, especially tissue engineering. It is expected that this upcoming review article will be a motivation for the community. Although this strategy is still in its early stages, this concept is so alluring that it has attracted all scientists in the community and specialists at academic health centers. Certainly, this approach requires more development, and a bunch of crucial challenges have yet to be solved. In this review, we discuss this various aspects of this approach, the questions that must be answered, the expectations associated with it, and rational restrictions to develop injectable cell-laden hydrogels.
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Affiliation(s)
- Payam Zarrintaj
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma, USA
| | | | | | - Mehrak Zare
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Joshua D Ramsey
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma, USA
| | - Farzad Seidi
- Provincial Key Lab of Pulp and Paper Science and Technology and Joint International Research Lab of Lignocellulosic Functional Materials, Nanjing Forestry University, Nanjing, China
| | - Mohammad Reza Saeb
- Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran
| | - Seeram Ramakrishna
- Center for Nanofibers and Nanotechnology, Nanoscience and Nanotechnology Initiative, and Faculty of Engineering, National University of Singapore, Singapore, Singapore.,Department of Mechanical Engineering, Faculty of Engineering, National University of Singapore, Singapore, Singapore
| | - Masoud Mozafari
- Department of Tissue Engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
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Yolun A, Şimşek M, Kaya M, Annaç EE, Köm M, Çakmak Ö. Fabrication, characterization, and in vivo biocompatibility evaluation of titanium-niobium implants. Proc Inst Mech Eng H 2020; 235:99-108. [PMID: 32988330 DOI: 10.1177/0954411920960854] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In this study, biocompatible titanium-niobium (Ti-Nb) alloys were fabricated by using powder metallurgy methods. Physical, morphological, thermal, and mechanical analyses were performed and their in vivo compatibility was evaluated. Besides α, β, and α″ martensitic phases, α+β Widmanstätten phase due to increasing sintering temperature was seen in the microstructure of the alloys. Phase transformation temperatures of the samples decreased as Nb content increased. The ratio of Nb in the samples affected their mechanical properties. No toxic effect was observed on implanted sites. This study shows that Ti-Nb alloys can be potentially used for orthopedic applications without any toxic effects.
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Affiliation(s)
- Abdurrahman Yolun
- Department of Physics, Faculty of Science, İnönü University, Malatya, Turkey
| | - Murat Şimşek
- Department of Biomedical Engineering, Faculty of Engineering, İnönü University, Malatya, Turkey
| | - Mehmet Kaya
- Machinery and Metal Technologies Department, Çorlu Vacational School, Tekirdağ Namık Kemal University, Çorlu/Tekirdağ, Turkey
| | - Ebru Elibol Annaç
- Department of Histology, Faculty of Medicine, Adıyaman University, Adıyaman, Turkey
| | - Mustafa Köm
- Department of Surgery, Faculty of Veterinary Medicine, Fırat University, Elazığ, Turkey
| | - Ömer Çakmak
- Meterial Science and Engineering, Engineering Faculty, Gebze Technical University, Gebze, Turkey
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Prados-Privado M, Martínez-Martínez C, Gehrke SA, Prados-Frutos JC. Influence of Bone Definition and Finite Element Parameters in Bone and Dental Implants Stress: A Literature Review. BIOLOGY 2020; 9:biology9080224. [PMID: 32823884 PMCID: PMC7464638 DOI: 10.3390/biology9080224] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 08/11/2020] [Accepted: 08/11/2020] [Indexed: 12/21/2022]
Abstract
Bone plays an important role in dental implant treatment success. The goal of this literature review is to analyze the influence of bone definition and finite element parameters on stress in dental implants and bone in numerical studies. A search was conducted of Pubmed, Science Direct and LILACS, and two independent reviewers performed the data extraction. The quality of the selected studies was assessed using the Cochrane Handbook tool for clinical trials. Seventeen studies were included. Titanium was the most commonly-used material in dental implants. The magnitude of the applied loads varied from 15 to 300 N with a mean of 182 N. Complete osseointegration was the most common boundary condition. Evidence from this review suggests that bone is commonly defined as an isotropic material, despite being an anisotropic tissue, and that it is analyzed as a ductile material, instead of as a fragile material. In addition, and in view of the data analyzed in this review, it can be concluded that there is no standardization for conducting finite element studies in the field of dentistry. Convergence criteria are only detailed in two of the studies included in this review, although they are a key factor in obtaining accurate results in numerical studies. It is therefore necessary to implement a methodology that indicates which parameters a numerical simulation must include, as well as how the results should be analyzed.
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Affiliation(s)
- María Prados-Privado
- Asisa Dental, Research Department, C/José Abascal, 32, 28003 Madrid, Spain;
- Department of Signal Theory and Communications, Higher Polytechnic School, Universidad de Alcalá de Henares, Ctra. Madrid-Barcelona, Km. 33,600, Alcalá de Henares, 28805 Madrid, Spain
- Department Continuum Mechanics and Structural Analysis, Higher Polytechnic School, Carlos III University, Avenida de la Universidad 30, Leganés, 28911 Madrid, Spain
- IDIBO GROUP (Group of High-Performance Research, Development and Innovation in Dental Biomaterials of Rey Juan Carlos University), Avenida de Atenas s/n, Alcorcón, 28922 Madrid, Spain
- Correspondence:
| | | | - Sergio A. Gehrke
- Department of Research, Biotecnos, Cuareim 1483, Montevideo CP 11100, Uruguay;
| | - Juan Carlos Prados-Frutos
- Department of Medicine Specialties and Public Health, Faculty of Health Sciences, Rey Juan Carlos University, Avenida de Atenas s/n, Alcorcón, 28922 Madrid, Spain;
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Abstract
The topic of titanium alloys for dental implants has been reviewed. The basis of the review was a search using PubMed, with the large number of references identified being reduced to a manageable number by concentrating on more recent articles and reports of biocompatibility and of implant durability. Implants made mainly from titanium have been used for the fabrication of dental implants since around 1981. The main alloys are so-called commercially pure titanium (cpTi) and Ti-6Al-4V, both of which give clinical success rates of up to 99% at 10 years. Both alloys are biocompatible in contact with bone and the gingival tissues, and are capable of undergoing osseointegration. Investigations of novel titanium alloys developed for orthopaedics show that they offer few advantages as dental implants. The main findings of this review are that the alloys cpTi and Ti-6Al-4V are highly satisfactory materials, and that there is little scope for improvement as far as dentistry is concerned. The conclusion is that these materials will continue to be used for dental implants well into the foreseeable future.
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Evaluation of the Physicochemical and Antibacterial Properties of Experimental Adhesives Doped with Lithium Niobate. Polymers (Basel) 2020; 12:polym12061330. [PMID: 32545226 PMCID: PMC7362253 DOI: 10.3390/polym12061330] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/02/2020] [Accepted: 06/08/2020] [Indexed: 12/18/2022] Open
Abstract
The aim of the present study was to formulate dental adhesives with different concentrations of LiNbO3 and to evaluate their physicochemical and antibacterial properties. A dental adhesive was formulated using methacrylate monomers and photoinitiators and used as a control filler-free group. Subsequently, three experimental adhesives doped with LiNbO3 at different concentrations (1 wt.%, 2 wt.%, and 5 wt.%) were also formulated. All the experimental adhesives were assessed to evaluate the degree of conversion (DC), softening in solvent, immediate and long-term microtensile bond-strength (μ-TBS), radiopacity, ultimate tensile strength, and antibacterial activity. The incorporation of 1 wt.% of LiNbO3 had no negative effect on the DC of the adhesive resin compared to the control group (p > 0.05). We observed a decrease in the percentage of softening in solvent in the group LiNbO3 at 1 wt.% (p < 0.05). The addition of LiNbO3 increased the radiopacity at a concentration above 2 wt.%, and there was also an increase in cohesive strength (p < 0.05). The immediate μ-TBS increased for LiNbO3 at 5 wt.% (p < 0.05), and there was no statistical difference for the other groups compared to the control (p > 0.05). After six months, the group with 5 wt.% still presented the highest μ-TBS (p < 0.05). The adhesives showed no antimicrobial activity (p > 0.05). LiNbO3 was successfully incorporated in dental adhesives, increasing the radiopacity and their resistance to degradation. Although LiNbO3 offered no antibacterial properties, the reliability of LiNbO3 incorporation in the adhesive encourages new tests to better investigate the antimicrobial action of LiNbO3 through temperature variation.
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Amjad M, Badshah S, Rafique AF, Adil Khattak M, Khan RU, Abdullah Harasani WI. Mechanism of Fatigue Crack Growth in Biomedical Alloy Ti-27Nb. MATERIALS 2020; 13:ma13102299. [PMID: 32429420 PMCID: PMC7287680 DOI: 10.3390/ma13102299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 03/13/2020] [Accepted: 03/19/2020] [Indexed: 11/29/2022]
Abstract
Implants are widely used in the human body for the replacement of affected bones. Fatigue failure is one of the serious concerns for implants. Therefore, understanding of the underlying mechanism leading to fatigue failure is important for the longevity of biomaterial implants. In this paper, the fracture toughness and fatigue crack growth of titanium alloy biomaterial Ti-27Nb has been experimentally investigated. The Ti-27Nb material is tested for fatigue crack growth in different environmental conditions representing the ambient and in vitro environments for 504 hours and 816 hours, respectively. Fractography of the tested specimen is conducted using Scanning Electron Microscope (SEM). The results of the fatigue crack growth propagation of the ambient and in vitro samples are similar in the Paris crack growth region. However, in the threshold region, the crack growth rate is higher for the Simulated Body Fluid (SBF) treated specimen. The fracture surface morphology of in vitro samples shows brittle fracture as compared to ambient specimens with significant plasticity and striations marks. It is proposed that a similar investigation may be conducted with specimens treated in SBF for prolonged periods to further ascertain the findings of this study.
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Affiliation(s)
- Muhammad Amjad
- Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan; (S.B.); (R.U.K.)
- Correspondence:
| | - Saeed Badshah
- Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan; (S.B.); (R.U.K.)
| | - Amer Farhan Rafique
- Aerospace Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.F.R.); (W.I.A.H.)
| | - Muhammad Adil Khattak
- Faculty of Mechanical Engineering, Universiti Teknologi Malaysia, Skudai, Johor 81310, Malaysia;
| | - Rafi Ullah Khan
- Department of Mechanical Engineering, International Islamic University Islamabad, Islamabad 44000, Pakistan; (S.B.); (R.U.K.)
| | - Wail Ismail Abdullah Harasani
- Aerospace Engineering Department, Faculty of Engineering, King Abdulaziz University, Jeddah 21589, Saudi Arabia; (A.F.R.); (W.I.A.H.)
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Servatan M, Zarrintaj P, Mahmodi G, Kim SJ, Ganjali MR, Saeb MR, Mozafari M. Zeolites in drug delivery: Progress, challenges and opportunities. Drug Discov Today 2020; 25:642-656. [DOI: 10.1016/j.drudis.2020.02.005] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 01/12/2020] [Accepted: 02/07/2020] [Indexed: 12/11/2022]
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