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Faber L, Yau A, Chen Y. Translational biomaterials of four-dimensional bioprinting for tissue regeneration. Biofabrication 2023; 16:012001. [PMID: 37757814 PMCID: PMC10561158 DOI: 10.1088/1758-5090/acfdd0] [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: 12/02/2022] [Revised: 09/16/2023] [Accepted: 09/27/2023] [Indexed: 09/29/2023]
Abstract
Bioprinting is an additive manufacturing technique that combines living cells, biomaterials, and biological molecules to develop biologically functional constructs. Three-dimensional (3D) bioprinting is commonly used as anin vitromodeling system and is a more accurate representation ofin vivoconditions in comparison to two-dimensional cell culture. Although 3D bioprinting has been utilized in various tissue engineering and clinical applications, it only takes into consideration the initial state of the printed scaffold or object. Four-dimensional (4D) bioprinting has emerged in recent years to incorporate the additional dimension of time within the printed 3D scaffolds. During the 4D bioprinting process, an external stimulus is exposed to the printed construct, which ultimately changes its shape or functionality. By studying how the structures and the embedded cells respond to various stimuli, researchers can gain a deeper understanding of the functionality of native tissues. This review paper will focus on the biomaterial breakthroughs in the newly advancing field of 4D bioprinting and their applications in tissue engineering and regeneration. In addition, the use of smart biomaterials and 4D printing mechanisms for tissue engineering applications is discussed to demonstrate potential insights for novel 4D bioprinting applications. To address the current challenges with this technology, we will conclude with future perspectives involving the incorporation of biological scaffolds and self-assembling nanomaterials in bioprinted tissue constructs.
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Affiliation(s)
- Leah Faber
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, United States of America
| | - Anne Yau
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, United States of America
| | - Yupeng Chen
- Department of Biomedical Engineering, University of Connecticut, Storrs, CT 06269, United States of America
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Hao L, Mao H. Magnetically anisotropic hydrogels for tissue engineering. Biomater Sci 2023; 11:6384-6402. [PMID: 37552036 DOI: 10.1039/d3bm00744h] [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: 08/09/2023]
Abstract
Many soft tissues of the human body possess hierarchically anisotropic structures, exhibiting orientation-specific mechanical properties and biological functionality. Hydrogels have been proposed as promising scaffold materials for tissue engineering applications due to their water-rich composition, excellent biocompatibility, and tunable physico-chemical properties. However, conventional hydrogels with homogeneous structures often exhibit isotropic properties that differ from those of biological tissues, limiting their further application. Recently, magnetically anisotropic hydrogels containing long-range ordered magneto-structures have attracted widespread interest owing to their highly controllable assembly strategy, rapid magnetic responsiveness and remote spatiotemporal regulation. In this review, we summarize the latest progress of magnetically anisotropic hydrogels for tissue engineering. The fabrication strategy of magnetically anisotropic hydrogels from magnetic nanofillers with different dimensions is systemically introduced. Then, the effects of magnetically anisotropic cues on the physicochemical properties of hydrogels and the cellular biological behavior are discussed. And the applications of magnetically anisotropic hydrogels in the engineering of different tissues are emphasized. Finally, the current challenges and the future perspectives for magnetically anisotropic hydrogels are presented.
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Affiliation(s)
- Lili Hao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Hongli Mao
- Research Institute for Biomaterials, Tech Institute for Advanced Materials, College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China.
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Volz M, Wyse-Sookoo KR, Travascio F, Huang CY, Best TM. MECHANOBIOLOGICAL APPROACHES FOR STIMULATING CHONDROGENESIS OF STEM CELLS. Stem Cells Dev 2022; 31:460-487. [PMID: 35615879 DOI: 10.1089/scd.2022.0049] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Chondrogenesis is the process of differentiation of stem cells into mature chondrocytes. Such a process consists of chemical, functional, and structural changes which are initiated and mediated by the host environment of the cells. To date, the mechanobiology of chondrogenesis has not been fully elucidated. Hence, experimental activity is focused on recreating specific environmental conditions for stimulating chondrogenesis, and to look for a mechanistic interpretation of the mechanobiological response of cells in the cartilaginous tissues. There are a large number of studies on the topic that vary considerably in their experimental protocols used for providing environmental cues to cells for differentiation, making generalizable conclusions difficult to ascertain. The main objective of this contribution is to review the mechanobiological stimulation of stem cell chondrogenesis and methodological approaches utilized to date to promote chondrogenesis of stem cells in-vitro. In-vivo models will also be explored, but this area is currently limited. An overview of the experimental approaches used by different research groups may help the development of unified testing methods that could be used to overcome existing knowledge gaps, leading to an accelerated translation of experimental findings to clinical practice.
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Affiliation(s)
- Mallory Volz
- University of Miami, 5452, Biomedical Engineering, Coral Gables, Florida, United States;
| | | | - Francesco Travascio
- University of Miami, 5452, Mechanical and Aerospace Engineering, 1251 Memorial Drive, MEB 217B, Coral Gables, Florida, United States, 33146;
| | - Chun-Yuh Huang
- University of Miami, 5452, Biomedical Engineering, Coral Gables, Florida, United States;
| | - Thomas M Best
- University of Miami Miller School of Medicine, 12235, School of Medicine, Miami, Florida, United States;
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Hu X, Liu W, Sun L, Xu S, Wang T, Meng J, Wen T, Liu Q, Liu J, Xu H. Magnetic Nanofibrous Scaffolds Accelerate the Regeneration of Muscle Tissue in Combination with Extra Magnetic Fields. Int J Mol Sci 2022; 23:ijms23084440. [PMID: 35457258 PMCID: PMC9025939 DOI: 10.3390/ijms23084440] [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: 04/01/2022] [Revised: 04/13/2022] [Accepted: 04/15/2022] [Indexed: 12/27/2022] Open
Abstract
The reversal of loss of the critical size of skeletal muscle is urgently required using biomaterial scaffolds to guide tissue regeneration. In this work, coaxial electrospun magnetic nanofibrous scaffolds were fabricated, with gelatin (Gel) as the shell of the fiber and polyurethane (PU) as the core. Iron oxide nanoparticles (Mag) of 10 nm diameter were added to the shell and core layer. Myoblast cells (C2C12) were cultured on the magnetic scaffolds and exposed to the applied magnetic fields. A mouse model of skeletal muscle injury was used to evaluate the repair guided by the scaffolds under the magnetic fields. It was shown that VEGF secretion and MyoG expression for the myoblast cells grown on the magnetic scaffolds under the magnetic fields were significantly increased, while, the gene expression of Myh4 was up-regulated. Results from an in vivo study indicated that the process of skeletal muscle regeneration in the mouse muscle injury model was accelerated by using the magnetic actuated strategy, which was verified by histochemical analysis, immunofluorescence staining of CD31, electrophysiological measurement and ultrasound imaging. In conclusion, the integration of a magnetic scaffold combined with the extra magnetic fields enhanced myoblast differentiation and VEGF secretion and accelerated the defect repair of skeletal muscle in situ.
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Affiliation(s)
- Xuechun Hu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Wenhao Liu
- Peking Union Medical College, Beijing 100073, China;
| | - Lihong Sun
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Shilin Xu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Tao Wang
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Jie Meng
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Tao Wen
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Qingqiao Liu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
| | - Jian Liu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
- Correspondence: (J.L.); (H.X.); Tel.: +86-10-6915-6437 (H.X.)
| | - Haiyan Xu
- Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100005, China; (X.H.); (L.S.); (S.X.); (T.W.); (J.M.); (T.W.); (Q.L.)
- Correspondence: (J.L.); (H.X.); Tel.: +86-10-6915-6437 (H.X.)
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Pryadko AS, Botvin VV, Mukhortova YR, Pariy I, Wagner DV, Laktionov PP, Chernonosova VS, Chelobanov BP, Chernozem RV, Surmeneva MA, Kholkin AL, Surmenev RA. Core-Shell Magnetoactive PHB/Gelatin/Magnetite Composite Electrospun Scaffolds for Biomedical Applications. Polymers (Basel) 2022; 14:polym14030529. [PMID: 35160518 PMCID: PMC8839593 DOI: 10.3390/polym14030529] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2021] [Revised: 01/21/2022] [Accepted: 01/26/2022] [Indexed: 12/21/2022] Open
Abstract
Novel hybrid magnetoactive composite scaffolds based on poly(3-hydroxybutyrate) (PHB), gelatin, and magnetite (Fe3O4) were fabricated by electrospinning. The morphology, structure, phase composition, and magnetic properties of composite scaffolds were studied. Fabrication procedures of PHB/gelatin and PHB/gelatin/Fe3O4 scaffolds resulted in the formation of both core-shell and ribbon-shaped structure of the fibers. In case of hybrid PHB/gelatin/Fe3O4 scaffolds submicron-sized Fe3O4 particles were observed in the surface layers of the fibers. The X-ray photoelectron spectroscopy results allowed the presence of gelatin on the fiber surface (N/C ratio–0.11) to be revealed. Incubation of the composite scaffolds in saline for 3 h decreased the amount of gelatin on the surface by more than ~75%. The differential scanning calorimetry results obtained for pure PHB scaffolds revealed a characteristic melting peak at 177.5 °C. The presence of gelatin in PHB/gelatin and PHB/gelatin/Fe3O4 scaffolds resulted in the decrease in melting temperature to 168–169 °C in comparison with pure PHB scaffolds due to the core-shell structure of the fibers. Hybrid scaffolds also demonstrated a decrease in crystallinity from 52.3% (PHB) to 16.9% (PHB/gelatin) and 9.2% (PHB/gelatin/Fe3O4). All the prepared scaffolds were non-toxic and saturation magnetization of the composite scaffolds with magnetite was 3.27 ± 0.22 emu/g, which makes them prospective candidates for usage in biomedical applications.
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Affiliation(s)
- Artyom S. Pryadko
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
| | - Vladimir V. Botvin
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Yulia R. Mukhortova
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Igor Pariy
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
| | - Dmitriy V. Wagner
- Faculty of Radiophysics, National Research Tomsk State University, 634050 Tomsk, Russia;
| | - Pavel P. Laktionov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.P.L.); (V.S.C.); (B.P.C.)
| | - Vera S. Chernonosova
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.P.L.); (V.S.C.); (B.P.C.)
| | - Boris P. Chelobanov
- Institute of Chemical Biology and Fundamental Medicine, Siberian Branch, Russian Academy of Sciences, 630090 Novosibirsk, Russia; (P.P.L.); (V.S.C.); (B.P.C.)
- Laboratory of Molecular Medicine, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Roman V. Chernozem
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Maria A. Surmeneva
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
| | - Andrei L. Kholkin
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
- Department of Physics and CICECO-Aveiro Institute of Materials, University of Aveiro, 3810-193 Aveiro, Portugal
- Correspondence: (A.L.K.); (R.A.S.)
| | - Roman A. Surmenev
- Physical Materials Science and Composite Materials Center, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia; (A.S.P.); (Y.R.M.); (I.P.); (R.V.C.); (M.A.S.)
- International Research and Development Center “Piezo- and Magnetoelectric Materials”, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, 634050 Tomsk, Russia;
- Correspondence: (A.L.K.); (R.A.S.)
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Saska S, Pilatti L, Blay A, Shibli JA. Bioresorbable Polymers: Advanced Materials and 4D Printing for Tissue Engineering. Polymers (Basel) 2021; 13:563. [PMID: 33668617 PMCID: PMC7918883 DOI: 10.3390/polym13040563] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 02/08/2021] [Accepted: 02/08/2021] [Indexed: 01/10/2023] Open
Abstract
Three-dimensional (3D) printing is a valuable tool in the production of complexes structures with specific shapes for tissue engineering. Differently from native tissues, the printed structures are static and do not transform their shape in response to different environment changes. Stimuli-responsive biocompatible materials have emerged in the biomedical field due to the ability of responding to other stimuli (physical, chemical, and/or biological), resulting in microstructures modifications. Four-dimensional (4D) printing arises as a new technology that implements dynamic improvements in printed structures using smart materials (stimuli-responsive materials) and/or cells. These dynamic scaffolds enable engineered tissues to undergo morphological changes in a pre-planned way. Stimuli-responsive polymeric hydrogels are the most promising material for 4D bio-fabrication because they produce a biocompatible and bioresorbable 3D shape environment similar to the extracellular matrix and allow deposition of cells on the scaffold surface as well as in the inside. Subsequently, this review presents different bioresorbable advanced polymers and discusses its use in 4D printing for tissue engineering applications.
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Affiliation(s)
- Sybele Saska
- M3 Health Industria e Comercio de Produtos Medicos, Odontologicos e Correlatos S.A., Jundiaí, Sao Paulo 13212-213, Brazil; (S.S.); (L.P.); (A.B.)
| | - Livia Pilatti
- M3 Health Industria e Comercio de Produtos Medicos, Odontologicos e Correlatos S.A., Jundiaí, Sao Paulo 13212-213, Brazil; (S.S.); (L.P.); (A.B.)
| | - Alberto Blay
- M3 Health Industria e Comercio de Produtos Medicos, Odontologicos e Correlatos S.A., Jundiaí, Sao Paulo 13212-213, Brazil; (S.S.); (L.P.); (A.B.)
| | - Jamil Awad Shibli
- M3 Health Industria e Comercio de Produtos Medicos, Odontologicos e Correlatos S.A., Jundiaí, Sao Paulo 13212-213, Brazil; (S.S.); (L.P.); (A.B.)
- Department of Periodontology and Oral Implantology, Dental Research Division, University of Guarulhos, Guarulhos, Sao Paulo 07023-070, Brazil
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Pardo A, Gómez-Florit M, Barbosa S, Taboada P, Domingues RMA, Gomes ME. Magnetic Nanocomposite Hydrogels for Tissue Engineering: Design Concepts and Remote Actuation Strategies to Control Cell Fate. ACS NANO 2021; 15:175-209. [PMID: 33406360 DOI: 10.1021/acsnano.0c08253] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Most tissues of the human body are characterized by highly anisotropic physical properties and biological organization. Hydrogels have been proposed as scaffolding materials to construct artificial tissues due to their water-rich composition, biocompatibility, and tunable properties. However, unmodified hydrogels are typically composed of randomly oriented polymer networks, resulting in homogeneous structures with isotropic properties different from those observed in biological systems. Magnetic materials have been proposed as potential agents to provide hydrogels with the anisotropy required for their use on tissue engineering. Moreover, the intrinsic properties of magnetic nanoparticles enable their use as magnetomechanic remote actuators to control the behavior of the cells encapsulated within the hydrogels under the application of external magnetic fields. In this review, we combine a detailed summary of the main strategies to prepare magnetic nanoparticles showing controlled properties with an analysis of the different approaches available to their incorporation into hydrogels. The application of magnetically responsive nanocomposite hydrogels in the engineering of different tissues is also reviewed.
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Affiliation(s)
- Alberto Pardo
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Manuel Gómez-Florit
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Silvia Barbosa
- Colloids and Polymers Physics Group, Condensed Matter Physics Area, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Pablo Taboada
- Colloids and Polymers Physics Group, Condensed Matter Physics Area, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
- Health Research Institute of Santiago de Compostela (IDIS), Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Rui M A Domingues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
| | - Manuela E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciencia e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco-Guimarães, Portugal
- ICVS/3B's-PT Government Associate Laboratory, 4805-017 Braga/Guimarães, Portugal
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Pepelanova I. Tunable Hydrogels: Introduction to the World of Smart Materials for Biomedical Applications. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2021; 178:1-35. [PMID: 33903929 DOI: 10.1007/10_2021_168] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hydrogels are hydrated polymers that are able to mimic many of the properties of living tissues. For this reason, they have become a popular choice of biomaterial in many biomedical applications including tissue engineering, drug delivery, and biosensing. The physical and biological requirements placed on hydrogels in these contexts are numerous and require a tunable material, which can be adapted to meet these demands. Tunability is defined as the use of knowledge-based tools to manipulate material properties in the desired direction. Engineering of suitable mechanical properties and integrating bioactivity are two major aspects of modern hydrogel design. Beyond these basic features, hydrogels can be tuned to respond to specific environmental cues and external stimuli, which are provided by surrounding cells or by the end user (patient, clinician, or researcher). This turns tunable hydrogels into stimulus-responsive smart materials, which are able to display adaptable and dynamic properties. In this book chapter, we will first shortly cover the foundation of hydrogel tunability, related to mechanical properties and biological functionality. Then, we will move on to stimulus-responsive hydrogel systems and describe their basic design, as well as give examples of their application in diverse biomedical fields. As both the understanding of underlying biological mechanisms and our engineering capacity mature, even more sophisticated tunable hydrogels addressing specific therapeutic goals will be developed.
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Affiliation(s)
- Iliyana Pepelanova
- Institute of Technical Chemistry, Leibniz University of Hannover, Hanover, Germany.
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Role of nanofibers on MSCs fate: Influence of fiber morphologies, compositions and external stimuli. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 107:110218. [DOI: 10.1016/j.msec.2019.110218] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Revised: 09/04/2019] [Accepted: 09/16/2019] [Indexed: 01/09/2023]
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10
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Cheng B, Tu T, Shi X, Liu Y, Zhao Y, Zhao Y, Li Y, Chen H, Chen Y, Zhang M. A novel construct with biomechanical flexibility for articular cartilage regeneration. Stem Cell Res Ther 2019; 10:298. [PMID: 31547887 PMCID: PMC6757433 DOI: 10.1186/s13287-019-1399-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/13/2019] [Accepted: 08/26/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Although tissue-engineered cartilage has been broadly studied, complete integration of regenerated cartilage with residual cartilage is still difficult for the inferior mechanical and biochemical feature of neocartilage. Chondrogenesis of mesenchymal stem cells can be induced by biophysical and biochemical factors. METHODS In this study, autologous platelet-rich fibrin (PRF) membrane was used as a growth factor-rich scaffold that may facilitate differentiation of the transplanted bone marrow mesenchymal stem cells (BMSCs). At the same time, hydrostatic pressure was adopted for pre-adjustment of the seed cells before transplantation that may promote the mechanical flexibility of neocartilage. RESULTS An in vitro study showed that the feasible hydrostatic pressure stimulation substantially promoted the chondrogenic potential of in vitro-cultured BMSC/PRF construct. In vivo results revealed that at every time point, the newborn tissues were the most favorable in the pressure-pretreated BMSC/PRF transplant group. Besides, the transplantation of feasible hydrostatic pressure-pretreated construct by BMSC sheet fragments and PRF granules could obviously improve the integration between the regenerated cartilage and host cartilage milieu, and thereby achieve boundaryless repair between the neocartilage and residual host cartilage tissue in rabbit temporomandibular joints. It could be concluded that feasible hydrostatic pressure may effectively promote the proliferation and chondrogenic differentiation of BMSCs in a BMSC/PRF construct. CONCLUSION This newly formed construct with biomechanical flexibility showed a superior capacity for cartilage regeneration by promoting the mechanical properties and integration of neocartilage.
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Affiliation(s)
- Baixiang Cheng
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Teng Tu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Xiao Shi
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Yanzheng Liu
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Ying Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Yinhua Zhao
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Yijie Li
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Hui Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China
| | - Yongjin Chen
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China.
| | - Min Zhang
- State Key Laboratory of Military Stomatology & National Clinical Research Center for Oral Diseases & Shaanxi International Joint Research Center for Oral Diseases, Department of General Dentistry and Emergency, School of Stomatology, Fourth Military Medical University, No. 145 West Changle Road, Xi'an, 710032, China.
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11
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Tamay DG, Dursun Usal T, Alagoz AS, Yucel D, Hasirci N, Hasirci V. 3D and 4D Printing of Polymers for Tissue Engineering Applications. Front Bioeng Biotechnol 2019; 7:164. [PMID: 31338366 PMCID: PMC6629835 DOI: 10.3389/fbioe.2019.00164] [Citation(s) in RCA: 177] [Impact Index Per Article: 35.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 06/21/2019] [Indexed: 12/18/2022] Open
Abstract
Three-dimensional (3D) and Four-dimensional (4D) printing emerged as the next generation of fabrication techniques, spanning across various research areas, such as engineering, chemistry, biology, computer science, and materials science. Three-dimensional printing enables the fabrication of complex forms with high precision, through a layer-by-layer addition of different materials. Use of intelligent materials which change shape or color, produce an electrical current, become bioactive, or perform an intended function in response to an external stimulus, paves the way for the production of dynamic 3D structures, which is now called 4D printing. 3D and 4D printing techniques have great potential in the production of scaffolds to be applied in tissue engineering, especially in constructing patient specific scaffolds. Furthermore, physical and chemical guidance cues can be printed with these methods to improve the extent and rate of targeted tissue regeneration. This review presents a comprehensive survey of 3D and 4D printing methods, and the advantage of their use in tissue regeneration over other scaffold production approaches.
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Affiliation(s)
- Dilara Goksu Tamay
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
| | - Tugba Dursun Usal
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
| | - Ayse Selcen Alagoz
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
| | - Deniz Yucel
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Department of Histology and Embryology, School of Medicine, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey
| | - Nesrin Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- Department of Biomedical Engineering, Middle East Technical University, Ankara, Turkey
- Department of Chemistry, Middle East Technical University, Ankara, Turkey
| | - Vasif Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- Department of Biological Sciences, Middle East Technical University, Ankara, Turkey
- Department of Medical Engineering, School of Engineering, Acıbadem Mehmet Ali Aydinlar University, Istanbul, Turkey
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12
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Onesto V, Barrell WB, Okesola M, Amato F, Gentile F, Liu KJ, Chiappini C. A quantitative approach for determining the role of geometrical constraints when shaping mesenchymal condensations. Biomed Microdevices 2019; 21:44. [PMID: 30963305 PMCID: PMC6453869 DOI: 10.1007/s10544-019-0390-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In embryogenesis, mesenchymal condensation is a critical event during the formation of many organ systems, including cartilage and bone. During organ formation, mesenchymal cells aggregate and undergo compaction while activating developmental programmes. The final three-dimensional form of the organ, as well as cell fates, can be influenced by the size and shape of the forming condensation. This process is hypothesized to result from multiscale cell interactions within mesenchymal microenvironments; however, these are complex to investigate in vivo. Three-dimensional in vitro models that recapitulate key phenotypes can contribute to our understanding of the microenvironment interactions regulating this fundamental developmental process. Here we devise such models by using image analysis to guide the design of polydimethylsiloxane 3D microstructures as cell culture substrates. These microstructures establish geometrically constrained micromass cultures of mouse embryonic skeletal progenitor cells which influence the development of condensations. We first identify key phenotypes differentiating face and limb bud micromass cultures by linear discriminant analysis of the shape descriptors for condensation morphology, which are used to guide the rational design of a micropatterned polydimethylsiloxane substrate. High-content imaging analysis highlights that the geometry of the microenvironment affects the establishment and growth of condensations. Further, cells commit to establish condensations within the first 5 h; condensations reach their full size within 17 h; following which they increase cell density while maintaining size for at least 7 days. These findings elucidate the value of our model in dissecting key aspects of mesenchymal condensation development.
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Affiliation(s)
- Valentina Onesto
- Department of Experimental and Clinical Medicine, University of Magna Graecia, 88100, Catanzaro, Italy
- Center for Advanced Biomaterials for HealthCare@CRIB, Istituto Italiano di Tecnologia, Largo Basanti e Matteucci 53, 80125, Naples, Italy
| | - William B Barrell
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King's College London, London, SE1 9RT, UK
| | - Mary Okesola
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King's College London, London, SE1 9RT, UK
| | - Francesco Amato
- Department of Experimental and Clinical Medicine, University of Magna Graecia, 88100, Catanzaro, Italy
| | - Francesco Gentile
- Department of Electrical Engineering and Information Technology, University Federico II, Naples, Italy
| | - Karen J Liu
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King's College London, London, SE1 9RT, UK
| | - Ciro Chiappini
- Centre for Craniofacial and Regenerative Biology, Dental Institute, King's College London, London, SE1 9RT, UK.
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13
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Macrophage phenotypic mechanomodulation of enhancing bone regeneration by superparamagnetic scaffold upon magnetization. Biomaterials 2017. [DOI: 10.1016/j.biomaterials.2017.06.013] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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14
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Popa EG, Santo VE, Rodrigues MT, Gomes ME. Magnetically-Responsive Hydrogels for Modulation of Chondrogenic Commitment of Human Adipose-Derived Stem Cells. Polymers (Basel) 2016; 8:E28. [PMID: 30979122 PMCID: PMC6432525 DOI: 10.3390/polym8020028] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2015] [Revised: 01/08/2016] [Accepted: 01/19/2016] [Indexed: 01/29/2023] Open
Abstract
Magnetic nanoparticles (MNPs) are attractive tools to overcome limitations of current regenerative medicine strategies, demonstrating potential to integrate therapeutic and diagnostic functionalities in highly controlled systems. In traditional tissue engineering (TE) approaches, the MNPs association with stem cells in a three-dimensional (3D) template offers the possibility to achieve a mechano-magnetic responsive system, enabling remote control actuation. Herein, we propose to study the role of MNPs integrated in κ-carrageenan (κC) hydrogels in the cellular response of human adipose-derived stem cells (hASCs) aiming at cartilage TE applications. The results indicated that the concentration of MNPs in the κC hydrogels influences cellular behavior, tuning a positive effect on cell viability, cell content and metabolic activity of hASCs, with the most promising outcomes found in 5% MNP-κC matrices. Although hASCs laden in MNPs-free- and MNPs-κC hydrogels showed similar metabolic and proliferation levels, MNPs κC hydrogels under magnetic actuation evidenced an instructive effect on hASCs, at a gene expression level, towards chondrogenic phenotype even in basic medium cultures. Therefore, the MNPs-based systems developed in this study may contribute to advanced strategies towards cartilage-like engineered substitutes.
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Affiliation(s)
- Elena G Popa
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Taipas, Guimarães 4806-909, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Vítor E Santo
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Taipas, Guimarães 4806-909, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Márcia T Rodrigues
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Taipas, Guimarães 4806-909, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Manuela E Gomes
- 3B's Research Group-Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Taipas, Guimarães 4806-909, Portugal.
- ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal.
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15
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Gaut C, Sugaya K. Critical review on the physical and mechanical factors involved in tissue engineering of cartilage. Regen Med 2015; 10:665-79. [DOI: 10.2217/rme.15.31] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Articular cartilage defects often progress to osteoarthritis, which negatively impacts quality of life for millions of people worldwide and leads to high healthcare expenditures. Tissue engineering approaches to osteoarthritis have concentrated on proliferation and differentiation of stem cells by activation and suppression of signaling pathways, and by using a variety of scaffolding techniques. Recent studies indicate a key role of environmental factors in the differentiation of mesenchymal stem cells to mature cartilage-producing chondrocytes. Therapeutic approaches that consider environmental regulation could optimize chondrogenesis protocols for regeneration of articular cartilage. This review focuses on the effect of scaffold structure and composition, mechanical stress and hypoxia in modulating mesenchymal stem cell fate and the current use of these environmental factors in tissue engineering research.
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Affiliation(s)
- Carrie Gaut
- INDICASAT-AIP, Ciudad de Saber, Clayton, Apartado 0843-01103, Panama, Rep. de Panama
- Department of Biotechnology, Acharya Nagarjuna University, Guntur, Andhra Pradesh 522510, India
| | - Kiminobu Sugaya
- Burnett School of Biomedical Sciences, University of Central Florida College of Medicine, Orlando, FL 32827, USA
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Dhowre HS, Rajput S, Russell NA, Zelzer M. Responsive cell–material interfaces. Nanomedicine (Lond) 2015; 10:849-71. [DOI: 10.2217/nnm.14.222] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Major design aspects for novel biomaterials are driven by the desire to mimic more varied and complex properties of a natural cellular environment with man-made materials. The development of stimulus responsive materials makes considerable contributions to the effort to incorporate dynamic and reversible elements into a biomaterial. This is particularly challenging for cell–material interactions that occur at an interface (biointerfaces); however, the design of responsive biointerfaces also presents opportunities in a variety of applications in biomedical research and regenerative medicine. This review will identify the requirements imposed on a responsive biointerface and use recent examples to demonstrate how some of these requirements have been met. Finally, the next steps in the development of more complex biomaterial interfaces, including multiple stimuli-responsive surfaces, surfaces of 3D objects and interactive biointerfaces will be discussed.
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Affiliation(s)
- Hala S Dhowre
- University of Nottingham, Neurophotonics Lab, Faculty of Engineering, Nottingham, NG7 2RD, UK
- University of Nottingham, School of Pharmacy, Boots Science Building, University Park, Nottingham, NG7 2RD, UK
| | - Sunil Rajput
- University of Nottingham, Neurophotonics Lab, Faculty of Engineering, Nottingham, NG7 2RD, UK
- University of Nottingham, School of Pharmacy, Boots Science Building, University Park, Nottingham, NG7 2RD, UK
| | - Noah A Russell
- University of Nottingham, Neurophotonics Lab, Faculty of Engineering, Nottingham, NG7 2RD, UK
| | - Mischa Zelzer
- University of Nottingham, School of Pharmacy, Boots Science Building, University Park, Nottingham, NG7 2RD, UK
- Interface & Surface Analysis Centre, Boots Science Building, University of Nottingham, University Park, Nottingham, NG7 2RD, UK
- National Physical Laboratory, Teddington, Middlesex, TW11 0LW, UK
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17
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Starsich FHL, Hirt AM, Stark WJ, Grass RN. Gas-phase synthesis of magnetic metal/polymer nanocomposites. NANOTECHNOLOGY 2014; 25:505602. [PMID: 25422410 DOI: 10.1088/0957-4484/25/50/505602] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Highly magnetic metal Co nanoparticles were produced via reducing flame spray pyrolysis, and directly coated with an epoxy polymer in flight. The polymer content in the samples varied between 14 and 56 wt% of nominal content. A homogenous dispersion of Co nanoparticles in the resulting nanocomposites was visualized by electron microscopy. The size and crystallinity of the metallic fillers was not affected by the polymer, as shown by XRD and magnetic hysteresis measurements. The good control of the polymer content in the product nanocomposite was shown by elemental analysis. Further, the successful polymerization in the gas phase was demonstrated by electron microscopy and size measurements. The presented effective, dry and scalable one-step synthesis method for highly magnetic metal nanoparticle/polymer composites presented here may drastically decrease production costs and increase industrial yields.
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Affiliation(s)
- Fabian H L Starsich
- Functional Materials Laboratory, Institute for Chemical and Bioengineering, ETH Zurich, Vladimir-Prelog-Weg 1, CH-8093 Zürich, Switzerland. Particle Technology Laboratory, Institute of Process Engineering, ETH Zurich, Sonneggstrasse 3, CH-8092 Zurich, Switzerland
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