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Avinashi SK, Shweta, Bohra B, Mishra RK, Kumari S, Fatima Z, Hussain A, Saxena B, Kumar S, Banerjee M, Gautam CR. Fabrication of Novel 3-D Nanocomposites of HAp-TiC-h-BN-ZrO 2: Enhanced Mechanical Performances and In Vivo Toxicity Study for Biomedical Applications. ACS Biomater Sci Eng 2024; 10:2116-2132. [PMID: 38498674 DOI: 10.1021/acsbiomaterials.3c01478] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/20/2024]
Abstract
Due to excellent biocompatibility, bioactivities, and osteoconductivity, hydroxyapatite (HAp) is considered as one of the most suitable biomaterials for numerous biomedical applications. Herein, HAp was fabricated using a bottom-up approach, i.e., a wet chemical method, and its composites with TiC, h-BN, and ZrO2 were fabricated by a solid-state reaction method with enhanced mechanical and biological performances. Structural, surface morphology, and mechanical behavior of the fabricated composites were characterized using various characterization techniques. Furthermore, transmission electron microscopy study revealed a randomly oriented rod-like morphology, with the length and width of these nanorods ranging from 78 to 122 and from 9 to 13 nm. Moreover, the mechanical characterizations of the composite HZBT4 (80HAp-10TiC-5h-BN-5ZrO2) reveal a very high compressive strength (246 MPa), which is comparable to that of the steel (250 MPa), fracture toughness (14.78 MPa m1/2), and Young's modulus (1.02 GPa). In order to check the biocompatibility of the composites, numerous biological tests were also performed on different body organs of healthy adult Sprague-Dawley rats. This study suggests that the composite HZBT4 could not reveal any significant influence on the hematological, serum biochemical, and histopathological parameters. Hence, the fabricated composite can be used for several biological applications, such as bone implants, bone grafting, and bone regeneration.
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Affiliation(s)
- Sarvesh Kumar Avinashi
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
| | - Shweta
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
| | - Bhavna Bohra
- Department of Pharmacology, Institute of Pharmacy, Nirma University, S.G. Highway, Ahmedabad 382481, India
| | - Rajat Kumar Mishra
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
| | - Savita Kumari
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
| | - Zaireen Fatima
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
- Department of Physics, Integral University, Lucknow 226026, India
| | - Ajaz Hussain
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
| | - Bhagawati Saxena
- Department of Pharmacology, Institute of Pharmacy, Nirma University, S.G. Highway, Ahmedabad 382481, India
| | - Saurabh Kumar
- Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow 226007, India
| | - Monisha Banerjee
- Molecular and Human Genetics Laboratory, Department of Zoology, University of Lucknow, Lucknow 226007, India
| | - Chandki Ram Gautam
- Advanced Glass and Glass Ceramics Research Laboratory, Department of Physics, University of Lucknow, Lucknow 226007, India
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Cabral CSD, de Melo-Diogo D, Ferreira P, Moreira AF, Correia IJ. Reduced graphene oxide-reinforced tricalcium phosphate/gelatin/chitosan light-responsive scaffolds for application in bone regeneration. Int J Biol Macromol 2024; 259:129210. [PMID: 38184039 DOI: 10.1016/j.ijbiomac.2024.129210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/07/2023] [Accepted: 01/01/2024] [Indexed: 01/08/2024]
Abstract
Bone is a mineralized tissue with the intrinsic capacity for constant remodeling. Rapid prototyping techniques, using biomaterials that mimic the bone native matrix, have been used to develop osteoinductive and osteogenic personalized 3D structures, which can be further combined with drug delivery and phototherapy. Herein, a Fab@Home 3D Plotter printer was used to promote the layer-by-layer deposition of a composite mixture of gelatin, chitosan, tricalcium phosphate, and reduced graphene oxide (rGO). The phototherapeutic potential of the new NIR-responsive 3D_rGO scaffolds was assessed by comparing scaffolds with different rGO concentrations (1, 2, and 4 mg/mL). The data obtained show that the rGO incorporation confers to the scaffolds the capacity to interact with NIR light and induce a hyperthermy effect, with a maximum temperature increase of 16.7 °C after under NIR irradiation (10 min). Also, the increase in the rGO content improved the hydrophilicity and mechanical resistance of the scaffolds, particularly in the 3D_rGO4. Furthermore, the rGO could confer an NIR-triggered antibacterial effect to the 3D scaffolds, without compromising the osteoblasts' proliferation and viability. In general, the obtained data support the development of 3D_rGO for being applied as temporary scaffolds supporting the new bone tissue formation and avoiding the establishment of bacterial infections.
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Affiliation(s)
- Cátia S D Cabral
- CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
| | - Duarte de Melo-Diogo
- CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal
| | - Paula Ferreira
- Instituto Politécnico de Coimbra, Instituto de Investigação Aplicada, Coimbra, Portugal
| | - André F Moreira
- CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal; CPIRN-UDI/IPG - Centro de Potencial e Inovação em Recursos Naturais, Unidade de Investigação para o Desenvolvimento do Interior, Instituto Politécnico da Guarda, Guarda, Portugal.
| | - Ilídio J Correia
- CICS-UBI - Centro de Investigação em Ciências da Saúde, Universidade da Beira Interior, Covilhã, Portugal; CIEPQPF - Departamento Engenharia Química, Universidade de Coimbra, Coimbra, Portugal.
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Mombeshora ET, Muchuweni E. Dynamics of reduced graphene oxide: synthesis and structural models. RSC Adv 2023; 13:17633-17655. [PMID: 37312999 PMCID: PMC10258683 DOI: 10.1039/d3ra02098c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/06/2023] [Indexed: 06/15/2023] Open
Abstract
Technological advancements are leading to an upsurge in demand for functional materials that satisfy several of humankind's needs. In addition to this, the current global drive is to develop materials with high efficacy in intended applications whilst practising green chemistry principles to ensure sustainability. Carbon-based materials, such as reduced graphene oxide (RGO), in particular, can possibly meet this criterion because they can be derived from waste biomass (a renewable material), possibly synthesised at low temperatures without the use of hazardous chemicals, and are biodegradable (owing to their organic nature), among other characteristics. Additionally, RGO as a carbon-based material is gaining momentum in several applications due to its lightweight, nontoxicity, excellent flexibility, tuneable band gap (from reduction), higher electrical conductivity (relative to graphene oxide, GO), low cost (owing to the natural abundance of carbon), and potentially facile and scalable synthesis protocols. Despite these attributes, the possible structures of RGO are still numerous with notable critical variations and the synthesis procedures have been dynamic. Herein, we summarize the highlights from the historical breakthroughs in understanding the structure of RGO (from the perspective of GO) and the recent state-of-the-art synthesis protocols, covering the period from 2020 to 2023. These are key aspects in the realisation of the full potential of RGO materials through the tailoring of physicochemical properties and reproducibility. The reviewed work highlights the merits and prospects of the physicochemical properties of RGO toward achieving sustainable, environmentally friendly, low-cost, and high-performing materials at a large scale for use in functional devices/processes to pave the way for commercialisation. This can drive the sustainability and commercial viability aspects of RGO as a material.
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Affiliation(s)
- Edwin T Mombeshora
- Department of Chemistry and Earth Sciences, University of Zimbabwe Mount Pleasant Harare MP167 Zimbabwe
| | - Edigar Muchuweni
- Department of Engineering and Physics, Bindura University of Science Education Bindura Zimbabwe
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Synthesis of a graphene oxide/agarose/hydroxyapatite biomaterial with the evaluation of antibacterial activity and initial cell attachment. Sci Rep 2022; 12:1971. [PMID: 35121806 PMCID: PMC8816921 DOI: 10.1038/s41598-022-06020-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 01/18/2022] [Indexed: 01/24/2023] Open
Abstract
Various materials are used in bone tissue engineering (BTE). Graphene oxide (GO) is a good candidate for BTE due to its antibacterial activity and biocompatibility. In this study, an innovative biomaterial consists of GO, agarose and hydroxyapatite (HA) was synthesized using electrophoresis system. The characterization of the synthesized biomaterial showed that needle-like crystals with high purity were formed after 10 mA/10 h of electrophoresis treatment. Furthermore, the calcium-phosphate ratio was similar to thermodynamically stable HA. In the synthesized biomaterial with addition of 1.0 wt% of GO, the colony forming units test showed significantly less Staphylococcus aureus. Initial attachment of MC3T3-E1 cells on the synthesized biomaterial was observed which showed the safety of the synthesized biomaterial for cell viability. This study showed that the synthesized biomaterial is a promising material that can be used in BTE.
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Safety studies of polyethylene glycol–hydroxyapatite nanocomposites on Drosophila melanogaster: an in vivo model. APPLIED NANOSCIENCE 2022. [DOI: 10.1007/s13204-021-02284-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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Khosalim IP, Zhang YY, Yiu CKY, Wong HM. Electrophoresis-Aided Biomimetic Mineralization System Using Graphene Oxide for Regeneration of Hydroxyapatite on Dentin. MATERIALS (BASEL, SWITZERLAND) 2021; 15:199. [PMID: 35009350 PMCID: PMC8746163 DOI: 10.3390/ma15010199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/22/2021] [Accepted: 12/24/2021] [Indexed: 06/14/2023]
Abstract
Graphene oxide (GO) is an emerging luminescent carbon nanomaterial with the ability to foster hydroxyapatite (HA). A specially designed electrophoresis system can be used to accelerate the mineralization process. The aim of this study was to promote HA crystal growth on demineralized dentin using a GO incorporated electrophoresis system. GO was successfully synthesized by carbonization of citric acid and its presence was confirmed by Fourier transform infrared and UV-visible spectrophotometry evaluation. Dentin slices were placed in demineralized solution and divided into control (without the electrophoresis system) and experimental group. Demineralized dentin slices in the experimental group were remineralized using the electrophoresis system for 8 h/1.0 mA, with one subgroup treated without GO and the other with GO. Energy dispersive spectroscopy evaluation showed that the calcium/phosphate ratio of the crystal formed in control and experimental group with addition of GO was close to natural hydroxyapatite. However, scanning electron microscopy evaluation showed that the exposed dentinal tubules were occluded with rod-like crystals, which is similar to native enamel morphology, in the experimental group with addition of GO compared to the flake-like crystal in the control group. Mechanical evaluation revealed that the nanohardness and modulus of remineralized dentin were significantly higher in the experimental group. In conclusion, GO is a promising material to remineralize dentin and the introduction of an electrophoresis system can accelerate its process.
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Affiliation(s)
| | | | | | - Hai Ming Wong
- Paediatric Dentistry and Orthodontics, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China; (I.P.K.); (Y.Y.Z.); (C.K.Y.Y.)
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Addai Asante N, Wang Y, Bakhet S, Kareem S, Owusu KA, Hu Y, Appiah M. Ambient temperature sulfonated carbon fiber reinforced PEEK with hydroxyapatite and reduced graphene oxide hydroxyapatite composite coating. J Biomed Mater Res B Appl Biomater 2021; 109:2174-2183. [PMID: 34002921 DOI: 10.1002/jbm.b.34865] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 04/26/2021] [Accepted: 05/03/2021] [Indexed: 11/11/2022]
Abstract
30% carbon fiber reinforced polyetheretherketone (CFR-PEEK) has in recent times, become significant in the orthopedic industry because its elastic modulus can be engineered to match that of the human bone. But it is bioinert and does not integrate well with the immediate bone tissue environment. In this study, a combined surface modification technique involving ambient temperature sulfonation and surface coating of (hydroxyapatite (HA), 5%reduced graphene oxide hydroxyapatite(5%RGO/HA) and 10%reduced graphene oxide hydroxyapatite(10%RGO/HA) composites) on 30%CFR-PEEK was achieved with an appropriate temperature treatment at 345°C in nitrogen. The coatings adhered unto the surface of S30%CFR-PEEK with an improved hydrophilicity and bioactivity. With the sample S30%CFR-PEEK+HA, having the highest enhanced hydrophilicity from 112.5 ± 2.5° to 20 ± 2° and bioactivity. An improvement in hydrophilicity and bioactivity depicts a change in surface chemistry which will have a positive impact in the interaction of the materials surface with immediate bone environment for a successful application in the orthopedic industry.
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Affiliation(s)
- Naomi Addai Asante
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Youfa Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Shahd Bakhet
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Shefiu Kareem
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Kwadwo Asare Owusu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Yuandi Hu
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
| | - Millicent Appiah
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, China
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Improved Mechanical Properties of Ultra-High Shear Force Mixed Reduced Graphene Oxide/Hydroxyapatite Nanocomposite Produced Using Spark Plasma Sintering. NANOMATERIALS 2021; 11:nano11040986. [PMID: 33921280 PMCID: PMC8069644 DOI: 10.3390/nano11040986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 03/30/2021] [Accepted: 04/09/2021] [Indexed: 12/16/2022]
Abstract
The addition of nanomaterials, such as graphene and graphene oxide, can improve the mechanical properties of hydroxyapatite (HA) nanocomposites (NCPs). However, both the dispersive state of the starting materials and the sintering process play central roles in improving the mechanical properties of the final HA NCPs. Herein, we studied the mechanical properties of a reduced graphene oxide (r-GO)/HA NCP, for which an ultra-high shear force was used to achieve a nano-sized mixture through the dispersion of r-GO. A low-temperature, short-duration spark plasma sintering (SPS) process was used to realize high-density, non-decomposing r-GO/HA NCPs with an improved fracture toughness of 97.8% via the addition of 0.5 wt.% r-GO. Greater quantities of r-GO improve the hardness and the fracture strength. The improved mechanical properties of r-GO/HA NCPs suggest their future applicability in biomedical engineering, including use as sintered bodies in dentistry, plasma spray-coatings for metal surfaces, and materials for 3D printing in orthopedics.
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Nosrati H, Sarraf-Mamoory R, Zolfaghari Emameh R, Aidun A, Canillas Perez M. Enhancing mechanical properties of hydroxyapatite-reduced graphene oxide nanocomposites by increasing the spark plasma sintering temperature. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1852251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Hassan Nosrati
- Department of Materials Engineering, Tarbiat Modares University, Tehran, Iran
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
| | | | - Reza Zolfaghari Emameh
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Amir Aidun
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
- Tissues and Biomaterials Research Group (TBRG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
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