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Kim SB, Kim CH, Lee SY, Park SJ. Carbon materials and their metal composites for biomedical applications: A short review. NANOSCALE 2024; 16:16313-16328. [PMID: 39110002 DOI: 10.1039/d4nr02059f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/13/2024]
Abstract
Carbon materials and their hybrid metal composites have garnered significant attention in biomedical applications due to their exceptional biocompatibility. This biocompatibility arises from their inherent chemical stability and low toxicity within biological systems. This review offers a comprehensive overview of carbon nanomaterials and their metal composites, emphasizing their biocompatibility-focused applications, including drug delivery, bioimaging, biosensing, and tissue engineering. The paper outlines advancements in surface modifications, coatings, and functionalization techniques designed to enhance the biocompatibility of carbon materials, ensuring minimal adverse effects in biological systems. A comprehensive investigation into hybrid composites integrating carbon nanomaterials is conducted, categorizing them as fullerenes, carbon quantum dots, carbon nanotubes, carbon nanofibers, graphene, and diamond-like carbon. The concluding section addresses regulatory considerations and challenges associated with integrating carbon materials into medical devices. This review culminates by providing insights into current achievements, challenges, and future directions, underscoring the pivotal role of carbon nanomaterials and their metal composites in advancing biocompatible applications.
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Affiliation(s)
- Su-Bin Kim
- Department of Chemistry, Inha University, Incheon 22212, Republic of Korea.
| | - Choong-Hee Kim
- Department of Chemistry, Inha University, Incheon 22212, Republic of Korea.
| | - Seul-Yi Lee
- Department of Chemistry, Inha University, Incheon 22212, Republic of Korea.
| | - Soo-Jin Park
- Department of Chemistry, Inha University, Incheon 22212, Republic of Korea.
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2
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Olate-Moya F, Rubí-Sans G, Engel E, Mateos-Timoneda MÁ, Palza H. 3D Bioprinting of Biomimetic Alginate/Gelatin/Chondroitin Sulfate Hydrogel Nanocomposites for Intrinsically Chondrogenic Differentiation of Human Mesenchymal Stem Cells. Biomacromolecules 2024; 25:3312-3324. [PMID: 38728671 DOI: 10.1021/acs.biomac.3c01444] [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: 05/12/2024]
Abstract
3D-printed hydrogel scaffolds biomimicking the extracellular matrix (ECM) are key in cartilage tissue engineering as they can enhance the chondrogenic differentiation of mesenchymal stem cells (MSCs) through the presence of active nanoparticles such as graphene oxide (GO). Here, biomimetic hydrogels were developed by cross-linking alginate, gelatin, and chondroitin sulfate biopolymers in the presence of GO as a bioactive filler, with excellent processability for developing bioactive 3D printed scaffolds and for the bioprinting process. A novel bioink based on our hydrogel with embedded human MSCs presented a cell survival rate near 100% after the 3D bioprinting process. The effects of processing and filler concentration on cell differentiation were further quantitatively evaluated. The nanocomposited hydrogels render high MSC proliferation and viability, exhibiting intrinsic chondroinductive capacity without any exogenous factor when used to print scaffolds or bioprint constructs. The bioactivity depended on the GO concentration, with the best performance at 0.1 mg mL-1. These results were explained by the rational combination of the three biopolymers, with GO nanoparticles having carboxylate and sulfate groups in their structures, therefore, biomimicking the highly negatively charged ECM of cartilage. The bioactivity of this biomaterial and its good processability for 3D printing scaffolds and 3D bioprinting techniques open up a new approach to developing novel biomimetic materials for cartilage repair.
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Affiliation(s)
- Felipe Olate-Moya
- Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Avenida Beauchef 851, 8370458 Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Avenida Monseñor Álvaro del Portillo 12455, 7620086 Las Condes, Chile
| | - Gerard Rubí-Sans
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, 08028, 08019 Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, 50018 Zaragoza, Spain
| | - Elisabeth Engel
- IMEM-BRT Group, Departament de Ciència i Enginyeria de Materials, EEBE, Universitat Politècnica de Catalunya (UPC), C/Eduard Maristany 10-14, 08019 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer de Baldiri Reixac, 10, 12, 08028, 08019 Barcelona, Spain
- CIBER en Bioingeniería, Biomateriales y Nanomedicina, CIBER-BBN, 50018 Zaragoza, Spain
| | - Miguel Ángel Mateos-Timoneda
- Bioengineering Institute of Technology, Universitat Internacional de Catalunya, Josep Trueta Street s/n, 08195 Sant Cugat del Vallès, Barcelona, Spain
- Department of Basic Sciences, Faculty of Medicine and Health Sciences, Univesitat Internacional de Catalunya, Josep Trueta Street s/n, 08195 Sant Cugat del Vallès, Barcelona, Spain
| | - Humberto Palza
- Departamento de Ingeniería Química, Biotecnología y Materiales, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile, Avenida Beauchef 851, 8370458 Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Avenida Monseñor Álvaro del Portillo 12455, 7620086 Las Condes, Chile
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3
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Taale M, Schamberger B, Monclus MA, Dolle C, Taheri F, Mager D, Eggeler YM, Korvink JG, Molina‐Aldareguia JM, Selhuber‐Unkel C, Lantada AD, Islam M. Microarchitected Compliant Scaffolds of Pyrolytic Carbon for 3D Muscle Cell Growth. Adv Healthc Mater 2024; 13:e2303485. [PMID: 38150609 PMCID: PMC11469158 DOI: 10.1002/adhm.202303485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Indexed: 12/29/2023]
Abstract
The integration of additive manufacturing technologies with the pyrolysis of polymeric precursors enables the design-controlled fabrication of architected 3D pyrolytic carbon (PyC) structures with complex architectural details. Despite great promise, their use in cellular interaction remains unexplored. This study pioneers the utilization of microarchitected 3D PyC structures as biocompatible scaffolds for the colonization of muscle cells in a 3D environment. PyC scaffolds are fabricated using micro-stereolithography, followed by pyrolysis. Furthermore, an innovative design strategy using revolute joints is employed to obtain novel, compliant structures of architected PyC. The pyrolysis process results in a pyrolysis temperature- and design-geometry-dependent shrinkage of up to 73%, enabling the geometrical features of microarchitected compatible with skeletal muscle cells. The stiffness of architected PyC varies with the pyrolysis temperature, with the highest value of 29.57 ± 0.78 GPa for 900 °C. The PyC scaffolds exhibit excellent biocompatibility and yield 3D cell colonization while culturing skeletal muscle C2C12 cells. They further induce good actin fiber alignment along the compliant PyC construction. However, no conclusive myogenic differentiation is observed here. Nevertheless, these results are highly promising for architected PyC scaffolds as multifunctional tissue implants and encourage more investigations in employing compliant architected PyC structures for high-performance tissue engineering applications.
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Affiliation(s)
- Mohammadreza Taale
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM)Heidelberg UniversityIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Barbara Schamberger
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM)Heidelberg UniversityIm Neuenheimer Feld 22569120HeidelbergGermany
| | | | - Christian Dolle
- Microscopy of Nanoscale Structures and Mechanisms (MNM)Laboratory for Electron Microscopy (LEM)Karlsruhe Institute of TechnologyEngesserstr. 7D‐76131KarlsruheGermany
| | - Fereydoon Taheri
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM)Heidelberg UniversityIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Dario Mager
- Institute of Microstructure TechnologyKarlsruhe Institute of TechnologyHermann‐von‐Helmholtz‐Platz 176344Eggenstein‐LeopoldshafenGermany
| | - Yolita M. Eggeler
- Microscopy of Nanoscale Structures and Mechanisms (MNM)Laboratory for Electron Microscopy (LEM)Karlsruhe Institute of TechnologyEngesserstr. 7D‐76131KarlsruheGermany
| | - Jan G. Korvink
- Institute of Microstructure TechnologyKarlsruhe Institute of TechnologyHermann‐von‐Helmholtz‐Platz 176344Eggenstein‐LeopoldshafenGermany
| | - Jon M. Molina‐Aldareguia
- IMDEA Materials InstituteEric Kandel, 2Getafe28906Spain
- Department of Mechanical EngineeringUniversidad Politécnica de MadridJosé Gutierréz Abascal, 2Madrid28006Spain
| | - Christine Selhuber‐Unkel
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM)Heidelberg UniversityIm Neuenheimer Feld 22569120HeidelbergGermany
| | - Andrés Díaz Lantada
- Department of Mechanical EngineeringUniversidad Politécnica de MadridJosé Gutierréz Abascal, 2Madrid28006Spain
| | - Monsur Islam
- IMDEA Materials InstituteEric Kandel, 2Getafe28906Spain
- Institute of Microstructure TechnologyKarlsruhe Institute of TechnologyHermann‐von‐Helmholtz‐Platz 176344Eggenstein‐LeopoldshafenGermany
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4
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Liu B, Li X, Zhang JP, Li X, Yuan Y, Hou GH, Zhang HJ, Zhang H, Li Y, Mezzenga R. Protein Nanotubes as Advanced Material Platforms and Delivery Systems. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2307627. [PMID: 37921269 DOI: 10.1002/adma.202307627] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/22/2023] [Indexed: 11/04/2023]
Abstract
Protein nanotubes (PNTs) as state-of-the-art nanocarriers are promising for various potential applications both in the food and pharmaceutical industries. Derived from edible starting sources like α-lactalbumin, lysozyme, and ovalbumin, PNTs bear properties of biocompatibility and biodegradability. Their large specific surface area and hydrophobic core facilitate chemical modification and loading of bioactive substances, respectively. Moreover, their enhanced permeability and penetration ability across biological barriers such as intestinal mucus, extracellular matrix, and thrombus clot, make it promising platforms for health-related applications. Most importantly, their simple preparation processes enable large-scale production, supporting applications in the biomedical and nanotechnological fields. Understanding the self-assembly principles is crucial for controlling their morphology, size, and shape, and thus provides the ground to a multitude of applications. Here, the current state-of-the-art of PNTs including their building materials, physicochemical properties, and self-assembly mechanisms are comprehensively reviewed. The advantages and limitations, as well as challenges and prospects for their successful applications in biomaterial and pharmaceutical sectors are then discussed and highlighted. Potential cytotoxicity of PNTs and the need of regulations as critical factors for enabling in vivo applications are also highlighted. In the end, a brief summary and future prospects for PNTs as advanced platforms and delivery systems are included.
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Affiliation(s)
- Bin Liu
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
- Department of Nutrition and Health, China Agricultural University, Beijing, 100091, P. R. China
| | - Xing Li
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Ji Peng Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Xin Li
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Yu Yuan
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Guo Hua Hou
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Hui Juan Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Hui Zhang
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Yuan Li
- Key Laboratory of Precision Nutrition and Food Quality, Research Center of Food Colloids and Delivery of Functionality, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, 100083, P. R. China
| | - Raffaele Mezzenga
- Department of Health Sciences and Technology, ETH Zurich, Zürich, 8092, Switzerland
- Department of Materials, ETH Zurich, Zürich, 8092, Switzerland
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5
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Eivazzadeh-Keihan R, Sadat Z, Lalebeigi F, Naderi N, Panahi L, Ganjali F, Mahdian S, Saadatidizaji Z, Mahdavi M, Chidar E, Soleimani E, Ghaee A, Maleki A, Zare I. Effects of mechanical properties of carbon-based nanocomposites on scaffolds for tissue engineering applications: a comprehensive review. NANOSCALE ADVANCES 2024; 6:337-366. [PMID: 38235087 PMCID: PMC10790973 DOI: 10.1039/d3na00554b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 12/03/2023] [Indexed: 01/19/2024]
Abstract
Mechanical properties, such as elasticity modulus, tensile strength, elongation, hardness, density, creep, toughness, brittleness, durability, stiffness, creep rupture, corrosion and wear, a low coefficient of thermal expansion, and fatigue limit, are some of the most important features of a biomaterial in tissue engineering applications. Furthermore, the scaffolds used in tissue engineering must exhibit mechanical and biological behaviour close to the target tissue. Thus, a variety of materials has been studied for enhancing the mechanical performance of composites. Carbon-based nanostructures, such as graphene oxide (GO), reduced graphene oxide (rGO), carbon nanotubes (CNTs), fibrous carbon nanostructures, and nanodiamonds (NDs), have shown great potential for this purpose. This is owing to their biocompatibility, high chemical and physical stability, ease of functionalization, and numerous surface functional groups with the capability to form covalent bonds and electrostatic interactions with other components in the composite, thus significantly enhancing their mechanical properties. Considering the outstanding capabilities of carbon nanostructures in enhancing the mechanical properties of biocomposites and increasing their applicability in tissue engineering and the lack of comprehensive studies on their biosafety and role in increasing the mechanical behaviour of scaffolds, a comprehensive review on carbon nanostructures is provided in this study.
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Affiliation(s)
- Reza Eivazzadeh-Keihan
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Zahra Sadat
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Farnaz Lalebeigi
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Nooshin Naderi
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Leila Panahi
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Fatemeh Ganjali
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Sakineh Mahdian
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Zahra Saadatidizaji
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences Tehran Iran
| | - Elham Chidar
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Erfan Soleimani
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Azadeh Ghaee
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran P.O. Box 14395-1561 Tehran Iran
| | - Ali Maleki
- Department of Chemistry, Catalysts and Organic Synthesis Research Laboratory, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Iman Zare
- Research and Development Department, Sina Medical Biochemistry Technologies Co. Ltd Shiraz 7178795844 Iran
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6
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Hajishoreh NK, Jamalpoor Z, Rasouli R, Asl AN, Sheervalilou R, Akbarzadeh A. The recent development of carbon-based nanoparticles as a novel approach to skin tissue care and management - A review. Exp Cell Res 2023; 433:113821. [PMID: 37858837 DOI: 10.1016/j.yexcr.2023.113821] [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: 08/24/2023] [Revised: 10/11/2023] [Accepted: 10/14/2023] [Indexed: 10/21/2023]
Abstract
Since the skin is the first barrier of the body's defense against pathogens, delays in the healing process are affected by infections. Therefore, applying advanced substitute assistance improves the patient's quality of life. Carbon-based nanomaterials show better capabilities than conventional methods for managing skin wound infections. Due to their physicochemical properties such as small size, large surface area, great surface-to-volume ratio, and excellent ability to communicate with the cells and tissue, carbon-based nanoparticles have been considered in regenerative medicine. moreover, the carbon nano family offers attractive potential in wound healing via the improvement of angiogenesis and antibacterial compared to traditional approaches become one of the particular research interests in the field of skin tissue engineering. This review emphasizes the wound-healing process and the role of carbon-based nanoparticles in wound care management interaction with tissue engineering technology.
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Affiliation(s)
| | - Zahra Jamalpoor
- Trauma research center, Aja University of Medical Sciences, Tehran, Iran.
| | - Ramin Rasouli
- Health Research Center Chamran Hospital, Tehran, Iran.
| | - Amir Nezami Asl
- Health Research Center Chamran Hospital, Tehran, Iran; Trauma research center, Aja University of Medical Sciences, Tehran, Iran.
| | - Roghayeh Sheervalilou
- Pharmacology Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.
| | - Abolfazl Akbarzadeh
- Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
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7
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Saranya M, da Silva AM, Karjalainen H, Klinkenberg G, Schmid R, McDonagh B, Molesworth PP, Sigfúsdóttir MS, Wågbø AM, Santos SG, Couto C, Karjalainen V, Gupta SD, Järvinen T, de Roy L, Seitz AM, Finnilä M, Saarakkala S, Haaparanta AM, Janssen L, Lorite GS. Magnetic-Responsive Carbon Nanotubes Composite Scaffolds for Chondrogenic Tissue Engineering. Adv Healthc Mater 2023; 12:e2301787. [PMID: 37660271 PMCID: PMC11468560 DOI: 10.1002/adhm.202301787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 08/10/2023] [Indexed: 09/04/2023]
Abstract
The demand for engineered scaffolds capable of delivering multiple cues to cells continues to grow as the interplay between cell fate with microenvironmental and external cues is revealed. Emphasis has been given to develop stimuli-responsive scaffolds. These scaffolds are designed to sense an external stimulus triggering a specific response (e.g., change in the microenvironment, release therapeutics, etc.) and then initiate/modulate a desired biofunction. Here, magnetic-responsive carboxylated multi-walled carbon nanotubes (cMWCNTs) are integrated into 3D collagen/polylactic acid (PLA) scaffold via a reproducible filtration-based method. The integrity and biomechanical performance of the collagen/PLA scaffolds are preserved after cMWCNT integration. In vitro safety assessment of cMWCNT/collagen/PLA scaffolds shows neither cytotoxicity effects nor macrophage pro-inflammatory response, supporting further in vitro studies. The cMWCNT/collagen/PLA scaffolds enhance chondrocytes metabolic activity while maintaining high cell viability and extracellular matrix (i.e., type II collagen and aggrecan) production. Comprehensive in vitro study applying static and pulsed magnetic field on seeded scaffolds shows no specific cell response in dependence with the applied field. This result is independent of the presence or absence of cMWCNT into the collagen/PLA scaffolds. Taken together, these findings provide additional evidence of the benefits to exploit the CNTs outstanding properties in the design of stimuli-responsive scaffolds.
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Affiliation(s)
| | | | - Hanna Karjalainen
- Research Unit of Health Science and TechnologyUniversity of OuluOulu90220Finland
| | - Geir Klinkenberg
- Department of Biotechnology and Nanomedicine SINTEF IndustryTrondheim7030Norway
| | - Ruth Schmid
- Department of Biotechnology and Nanomedicine SINTEF IndustryTrondheim7030Norway
| | - Birgitte McDonagh
- Department of Biotechnology and Nanomedicine SINTEF IndustryTrondheim7030Norway
| | - Peter P. Molesworth
- Department of Biotechnology and Nanomedicine SINTEF IndustryTrondheim7030Norway
| | | | - Ane Marit Wågbø
- Department of Biotechnology and Nanomedicine SINTEF IndustryTrondheim7030Norway
| | - Susana. G. Santos
- Instituto Nacional de Engenharia BiomédicaInstituto de Investigação e Inovação em SaúdeUniversidade do PortoPorto4200‐135Portugal
| | - Cristiana Couto
- Instituto Nacional de Engenharia BiomédicaInstituto de Investigação e Inovação em SaúdeUniversidade do PortoPorto4200‐135Portugal
| | | | - Shuvashis Das Gupta
- Research Unit of Health Science and TechnologyUniversity of OuluOulu90220Finland
| | - Topias Järvinen
- Microelectronic Research UnitUniversity of OuluOulu90570Finland
| | - Luisa de Roy
- Institute of Orthopedic Research and BiomechanicsCenter for Trauma ResearchUlm University Medical Center Ulm89081UlmGermany
| | - Andreas. M. Seitz
- Institute of Orthopedic Research and BiomechanicsCenter for Trauma ResearchUlm University Medical Center Ulm89081UlmGermany
| | - Mikko Finnilä
- Research Unit of Health Science and TechnologyUniversity of OuluOulu90220Finland
| | - Simo Saarakkala
- Research Unit of Health Science and TechnologyUniversity of OuluOulu90220Finland
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8
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Kumar M, Sharma V. 3D printed bio-ceramic loaded PEGDA/vitreous carbon composite: Fabrication, characterization, and life cycle assessment. J Mech Behav Biomed Mater 2023; 143:105904. [PMID: 37178637 DOI: 10.1016/j.jmbbm.2023.105904] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 05/15/2023]
Abstract
Stereolithography (SLA) is gaining vast popularity in the development of three-dimensional parts with customized materials for tissue engineering applications. Consequently, developing customized materials like bio-composites (bio-polymers and bio-ceramics) is the basic pillar that meets the application requirement. Photo-crosslinkable poly(ethylene glycol) diacrylate (PEGDA) has outstanding biocompatibility and biophysical properties for tissue engineering. But, because of its poor mechanical properties, its scope is limited to load-bearing applications. This research aims to enhance the mechanical and tribological properties of PEGDA by reinforcing Vitreous Carbon (VC) bioceramic. Therefore, 1 to 5 wt % of VC have been added in PEGDA and developed novel PEGDA/VC composite resins for SLA. The rheological and sedimentation test have been performed to check the suitability for SLA printing. Afterward, printed materials have been characterized by fourier transform infrared spectrometer, X-ray diffraction, thermogravimetric analysis, optical profilometer, and scanning electron microscope. Moreover, tensile compression, flexural, and tribological properties have been evaluated. It was found that the addition of VC in PEGDA enhanced its mechanical, thermal, and tribological properties. Besides, a life cycle assessment of materials and energy resources in SLA process has been performed to investigate the environmental impact.
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Affiliation(s)
- Mohit Kumar
- Additive and Subtractive Manufacturing Lab, Department of Mechanical and Industrial Engineering, IIT Roorkee, India
| | - Varun Sharma
- Department of Mechanical and Industrial Engineering, IIT Roorkee, India.
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9
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Abd El-Aziz AM, Serag E, Kenawy MY, El-Maghraby A, Kandil SH. Hydrothermally reinforcing hydroxyaptatite and bioactive glass on carbon nanofiber scafold for bone tissue engineering. Front Bioeng Biotechnol 2023; 11:1170097. [PMID: 37292092 PMCID: PMC10245555 DOI: 10.3389/fbioe.2023.1170097] [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: 02/21/2023] [Accepted: 05/09/2023] [Indexed: 06/10/2023] Open
Abstract
As a bone tissue engineering scaffold, the objective of this study was to design hierarchical bioceramics based on an electrospun composite of carbon nanofibers (CNF) reinforced with hydroxyapatite (HA) and bioactive glasses (BGs) nanoparticles. The performance of the nanofiber as a scaffold for bone tissue engineering was enhanced by reinforcing it with hydroxyapatite and bioactive glass nanoparticles through a hydrothermal process. The influence of HA and BGs on the morphology and biological properties of carbon nanofibers was examined. The prepared materials were evaluated for cytotoxicity in vitro using the water-soluble tetrazolium salt assay (WST-assay) on Osteoblast-like (MG-63) cells, and oste-ocalcin (OCN), alkaline phosphatase (ALP) activity, total calcium, total protein, and tar-trate-resistant acid phosphatase (TRAcP) were measured. The WST-1, OCN, TRAcP, total calcium, total protein, and ALP activity tests demonstrated that scaffolds reinforced with HA and BGs had excellent in vitro biocompatibility (cell viability and proliferation) and were suitable for repairing damaged bone by stimulating bioactivity and biomarkers of bone cell formation.
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Affiliation(s)
- Asmaa M. Abd El-Aziz
- Fabrication Technology Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Eman Serag
- Marine Pollution Department, Environmental Division, National Institute of Oceanography and Fisheries, Alexandria, Egypt
| | - Marwa Y. Kenawy
- Fabrication Technology Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Azza El-Maghraby
- Fabrication Technology Research Department, Advanced Technology and New Materials Research Institute (ATNMRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Sherif H. Kandil
- Department of Materials Science, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
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10
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Ryltseva GA, Dudaev AE, Menzyanova NG, Volova TG, Alexandrushkina NA, Efimenko AY, Shishatskaya EI. Influence of PHA Substrate Surface Characteristics on the Functional State of Endothelial Cells. J Funct Biomater 2023; 14:jfb14020085. [PMID: 36826884 PMCID: PMC9959859 DOI: 10.3390/jfb14020085] [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: 12/30/2022] [Revised: 01/24/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023] Open
Abstract
The needs of modern regenerative medicine for biodegradable polymers are wide and varied. Restoration of the viability of the vascular tree is one of the most important components of the preservation of the usefulness of organs and tissues. The creation of vascular implants compatible with blood is an important task of vascular bioengineering. The function of the endothelial layer of the vessel, being largely responsible for the development of thrombotic complications, is of great importance for hemocompatibility. The development of surfaces with specific characteristics of biomaterials that are used in vascular technologies is one of the solutions for their correct endothelialization. Linear polyhydroxyalkanoates (PHAs) are biodegradable structural polymeric materials suitable for obtaining various types of implants and tissue engineering, having a wide range of structural and physicomechanical properties. The use of PHA of various monomeric compositions in endothelial cultivation makes it possible to evaluate the influence of material properties, especially surface characteristics, on the functional state of cells. It has been established that PHA samples with the inclusion of 3-hydroxyhexanoate have optimal characteristics for the formation of a human umbilical vein endothelial cell, HUVEC, monolayer in terms of cell morphology as well as the levels of expression of vinculin and VE-cadherin. The obtained results provide a rationale for the use of PHA copolymers as materials for direct contact with the endothelium in vascular implants.
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Affiliation(s)
- Galina A. Ryltseva
- Department of Medical Biology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
- Correspondence: (G.A.R.); (E.I.S.)
| | - Alexey E. Dudaev
- Department of Medical Biology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
- Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, 660036 Krasnoyarsk, Russia
| | - Natalia G. Menzyanova
- Department of Medical Biology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
| | - Tatiana G. Volova
- Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, 660036 Krasnoyarsk, Russia
- Basic Department of Biotechnology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
| | - Natalia A. Alexandrushkina
- Institute for Regenerative Medicine, Medical Research and Education Center, M.V. Lomonosov Moscow State University, 119192 Moscow, Russia
| | - Anastasia Yu. Efimenko
- Institute for Regenerative Medicine, Medical Research and Education Center, M.V. Lomonosov Moscow State University, 119192 Moscow, Russia
| | - Ekaterina I. Shishatskaya
- Department of Medical Biology, School of Fundamental Biology and Biotechnology, Siberian Federal University, 79 Svobodnyi Av., 660041 Krasnoyarsk, Russia
- Institute of Biophysics SB RAS, Federal Research Center “Krasnoyarsk Science Center SB RAS”, 50/50 Akademgorodok, 660036 Krasnoyarsk, Russia
- Correspondence: (G.A.R.); (E.I.S.)
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11
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Composites Filled with Metal Organic Frameworks and Their Derivatives: Recent Developments in Flame Retardants. Polymers (Basel) 2022; 14:polym14235279. [PMID: 36501673 PMCID: PMC9740387 DOI: 10.3390/polym14235279] [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: 09/13/2022] [Revised: 11/20/2022] [Accepted: 11/28/2022] [Indexed: 12/11/2022] Open
Abstract
Polymer matrix is vulnerable to fire hazards and needs to add flame retardants to enhance its performance and make its application scenarios more extensive. At this stage, it is more necessary to add multiple flame-retardant elements and build a multi-component synergistic system. Metal organic frameworks (MOFs) have been studied for nearly three decades since their introduction. MOFs are known for their structural advantages but have only been applied to flame-retardant polymers for a relatively short period of time. In this paper, we review the development of MOFs utilized as flame retardants and analyze the flame-retardant mechanisms in the gas phase and condensed phase from the original MOF materials, modified MOF composites, and MOF-derived composites as flame retardants, respectively. The effects of carbon-based materials, phosphorus-based materials, nitrogen-based materials, and biomass on the flame-retardant properties of polymers are discussed in the context of MOFs. The construction of MOF multi-structured flame retardants is also introduced, and a variety of MOF-based flame retardants with different morphologies are shown to broaden the ideas for subsequent research.
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12
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Zhu L, Kong W, Ma J, Zhang R, Qin C, Liu H, Pan S. Applications of carbon dots and its modified carbon dots in bone defect repair. J Biol Eng 2022; 16:32. [PMID: 36419160 PMCID: PMC9682789 DOI: 10.1186/s13036-022-00311-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 11/08/2022] [Indexed: 11/24/2022] Open
Abstract
Bone defect repair is a continual and complicated process driven by a variety of variables. Because of its bright multicolor luminescence, superior biocompatibility, water dispersibility, and simplicity of synthesis from diverse carbon sources, carbon dots (CDs) have received a lot of interest. It has a broad variety of potential biological uses, including bone defect repair, spinal cord injury, and wound healing. Materials including CDs as the matrix or major component have shown considerable benefits in enabling bone defect healing in recent years. By altering the carbon dots or mixing them with other wound healing-promoting agents or materials, the repair effect may be boosted even further. The report also shows and discusses the use of CDs to heal bone abnormalities. The study first presents the fundamental features of CDs in bone defect healing, then provides CDs manufacturing techniques that should be employed in bone defect repair, and lastly examines their development in the area of bioengineering, particularly in bone defect repair. In this work, we look at how carbon dots and their alteration products may help with bone defect healing by being antibacterial, anti-infective, osteogenic differentiation-promoting, and gene-regulating.
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Affiliation(s)
- Longchuan Zhu
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
| | - Weijian Kong
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
| | - Jijun Ma
- Department of Orthopedic Surgery, Baicheng Hospital Traditional Chinese Medicine, Jilin, People’s Republic of China
| | - Renfeng Zhang
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
| | - Cheng Qin
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
| | - Hao Liu
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
| | - Su Pan
- grid.452829.00000000417660726Department of Orthopedic Surgery, Second Hospital Jilin University, Ziqiang St 218, 130041 Changchun, People’s Republic of China
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13
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Martinez-Duarte R, Mager D, Korvink JG, Islam M. Evaluating carbon-electrode dielectrophoresis under the ASSURED criteria. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:922737. [PMID: 35958120 PMCID: PMC9360481 DOI: 10.3389/fmedt.2022.922737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Accepted: 07/07/2022] [Indexed: 11/30/2022] Open
Abstract
Extreme point-of-care refers to medical testing in unfavorable conditions characterized by a lack of primary resources or infrastructure. As witnessed in the recent past, considerable interest in developing devices and technologies exists for extreme point-of-care applications, for which the World Health Organization has introduced a set of encouraging and regulating guidelines. These are referred to as the ASSURED criteria, an acronym for Affordable (A), Sensitive (S), Specific (S), User friendly (U), Rapid and Robust (R), Equipment-free (E), and Delivered (D). However, the current extreme point of care devices may require an intermediate sample preparation step for performing complex biomedical analysis, including the diagnosis of rare-cell diseases and early-stage detection of sepsis. This article assesses the potential of carbon-electrode dielectrophoresis (CarbonDEP) for sample preparation competent in extreme point-of-care, following the ASSURED criteria. We first discuss the theory and utility of dielectrophoresis (DEP) and the advantages of using carbon microelectrodes for this purpose. We then critically review the literature relevant to the use of CarbonDEP for bioparticle manipulation under the scope of the ASSURED criteria. Lastly, we offer a perspective on the roadmap needed to strengthen the use of CarbonDEP in extreme point-of-care applications.
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Affiliation(s)
- Rodrigo Martinez-Duarte
- Multiscale Manufacturing Laboratory, Mechanical Engineering Department, Clemson University, Clemson, SC, United States
- *Correspondence: Rodrigo Martinez-Duarte
| | - Dario Mager
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
| | - Jan G. Korvink
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
- Jan G. Korvink
| | - Monsur Islam
- Institute of Microstructure Technology, Karlsruhe Institute of Technology, Eggenstein-Leopoldshafen, Germany
- Monsur Islam
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14
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Amirtharaj Mosas KK, Chandrasekar AR, Dasan A, Pakseresht A, Galusek D. Recent Advancements in Materials and Coatings for Biomedical Implants. Gels 2022; 8:323. [PMID: 35621621 PMCID: PMC9140433 DOI: 10.3390/gels8050323] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 05/17/2022] [Accepted: 05/18/2022] [Indexed: 11/16/2022] Open
Abstract
Metallic materials such as stainless steel (SS), titanium (Ti), magnesium (Mg) alloys, and cobalt-chromium (Co-Cr) alloys are widely used as biomaterials for implant applications. Metallic implants sometimes fail in surgeries due to inadequate biocompatibility, faster degradation rate (Mg-based alloys), inflammatory response, infections, inertness (SS, Ti, and Co-Cr alloys), lower corrosion resistance, elastic modulus mismatch, excessive wear, and shielding stress. Therefore, to address this problem, it is necessary to develop a method to improve the biofunctionalization of metallic implant surfaces by changing the materials' surface and morphology without altering the mechanical properties of metallic implants. Among various methods, surface modification on metallic surfaces by applying coatings is an effective way to improve implant material performance. In this review, we discuss the recent developments in ceramics, polymers, and metallic materials used for implant applications. Their biocompatibility is also discussed. The recent trends in coatings for biomedical implants, applications, and their future directions were also discussed in detail.
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Affiliation(s)
| | - Ashok Raja Chandrasekar
- Centre for Functional and Surface-Functionalized Glass, Alexander Dubcek University of Trencín, 911 50 Trencín, Slovakia; (A.D.); (A.P.)
| | - Arish Dasan
- Centre for Functional and Surface-Functionalized Glass, Alexander Dubcek University of Trencín, 911 50 Trencín, Slovakia; (A.D.); (A.P.)
| | - Amirhossein Pakseresht
- Centre for Functional and Surface-Functionalized Glass, Alexander Dubcek University of Trencín, 911 50 Trencín, Slovakia; (A.D.); (A.P.)
| | - Dušan Galusek
- Centre for Functional and Surface-Functionalized Glass, Alexander Dubcek University of Trencín, 911 50 Trencín, Slovakia; (A.D.); (A.P.)
- Joint Glass Centre of the IIC SAS, TnUAD, and FChFT STU, FunGlass, Alexander Dubcek University of Trencín, 911 50 Trencín, Slovakia
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15
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Comparing Carbon Origami from Polyaramid and Cellulose Sheets. MICROMACHINES 2022; 13:mi13040503. [PMID: 35457808 PMCID: PMC9032490 DOI: 10.3390/mi13040503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 12/03/2022]
Abstract
Carbon origami enables the fabrication of lightweight and mechanically stiff 3D complex architectures of carbonaceous materials, which have a high potential to impact a wide range of applications positively. The precursor materials and their inherent microstructure play a crucial role in determining the properties of carbon origami structures. Here, non-porous polyaramid Nomex sheets and macroporous fibril cellulose sheets are explored as the precursor sheets for studying the effect of precursor nature and microstructure on the material and structural properties of the carbon origami structures. The fabrication process involves pre-creasing precursor sheets using a laser engraving process, followed by manual-folding and carbonization. The cellulose precursor experiences a severe structural shrinkage due to its macroporous fibril morphology, compared to the mostly non-porous morphology of Nomex-derived carbon. The morphological differences further yield a higher specific surface area for cellulose-derived carbon. However, Nomex results in more crystalline carbon than cellulose, featuring a turbostratic microstructure like glassy carbon. The combined effect of morphology and glass-like features leads to a high mechanical stiffness of 1.9 ± 0.2 MPa and specific modulus of 2.4 × 104 m2·s−2 for the Nomex-derived carbon Miura-ori structure, which are significantly higher than cellulose-derived carbon Miura-ori (elastic modulus = 504.7 ± 88.2 kPa; specific modulus = 1.2 × 104 m2·s−2) and other carbonaceous origami structures reported in the literature. The results presented here are promising to expand the material library for carbon origami, which will help in the choice of suitable precursor and carbon materials for specific applications.
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16
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Selective Passivation of Three-Dimensional Carbon Microelectrodes by Polydopamine Electrodeposition and Local Laser Ablation. MICROMACHINES 2022; 13:mi13030371. [PMID: 35334663 PMCID: PMC8950879 DOI: 10.3390/mi13030371] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/22/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023]
Abstract
In this article, a novel approach for selective passivation of three-dimensional pyrolytic carbon microelectrodes via a facile electrochemical polymerization of a non-conductive polymer (polydopamine, PDA) onto the surface of carbon electrodes, followed by a selective laser ablation is elaborated. The 3D carbon electrodes consisting of 284 micropillars on a circular 2D carbon base layer were fabricated by pyrolysis of lithographically patterned negative photoresist SU-8. As a second step, dopamine was electropolymerized onto the electrode by cyclic voltammetry (CV) to provide an insulating layer at its surface. The CV parameters, such as the scan rate and the number of cycles, were investigated and optimized to achieve a reliable and uniform non-conductive coating on the surface of the 3D pyrolytic carbon electrode. Finally, the polydopamine was selectively removed only from the tips of the pillars, by using localized laser ablation. The selectively passivated electrodes were characterized by scanning electron microscopy, cyclic voltammetry and electrochemical impedance spectroscopy methods. Due to the surface being composed of highly biocompatible materials, such as pyrolytic carbon and polydopamine, these 3D electrodes are particularly suited for biological application, such as electrochemical monitoring of cells or retinal implants, where highly localized electrical stimulation of nerve cells is beneficial.
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17
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Pan X, Cheng D, Ruan C, Hong Y, Lin C. Development of Graphene-Based Materials in Bone Tissue Engineaering. GLOBAL CHALLENGES (HOBOKEN, NJ) 2022; 6:2100107. [PMID: 35140982 PMCID: PMC8812920 DOI: 10.1002/gch2.202100107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/31/2021] [Indexed: 06/14/2023]
Abstract
Bone regeneration-related graphene-based materials (bGBMs) are increasingly attracting attention in tissue engineering due to their special physical and chemical properties. The purpose of this review is to quantitatively analyze mass academic literature in the field of bGBMs through scientometrics software CiteSpace, to demonstrate the rules and trends of bGBMs, thus to analyze and summarize the mechanisms behind the rules, and to provide clues for future research. First, the research status, hotspots, and frontiers of bGBMs are analyzed in an intuitively and vividly visualized way. Next, the extracted important subjects such as fabrication techniques, cytotoxicity, biodegradability, and osteoinductivity of bGBMs are presented, and the different mechanisms, in turn, are also discussed. Finally, photothermal therapy, which is considered an emerging area of application of bGBMs, is also presented. Based on this approach, this work finds that different studies report differing opinions on the biological properties of bGBMS due to the lack of consistency of GBMs preparation. Therefore, it is necessary to establish more standards in fabrication, characterization, and testing for bGBMs to further promote scientific progress and clinical translation.
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Affiliation(s)
- Xiaoling Pan
- College of StomatologyXinjiang Medical UniversityUrumqiXinjiang830011P. R. China
- Department of Oral Maxillofacial SurgeryShenzhen HospitalSouthern Medical UniversityShenzhen518000P. R. China
| | - Delin Cheng
- Research Center for Human Tissue and Organs DegenerationInstitute of Biomedicine and BiotechnologyShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Changshun Ruan
- Research Center for Human Tissue and Organs DegenerationInstitute of Biomedicine and BiotechnologyShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Yonglong Hong
- Department of Oral Maxillofacial SurgeryShenzhen HospitalSouthern Medical UniversityShenzhen518000P. R. China
| | - Cheng Lin
- Department of Oral Maxillofacial SurgeryShenzhen HospitalSouthern Medical UniversityShenzhen518000P. R. China
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