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Iqbal S, Kamiński M. Review Study on Mechanical Properties of Cellular Materials. MATERIALS (BASEL, SWITZERLAND) 2024; 17:2682. [PMID: 38893947 PMCID: PMC11173958 DOI: 10.3390/ma17112682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Revised: 05/19/2024] [Accepted: 05/27/2024] [Indexed: 06/21/2024]
Abstract
Cellular materials are fundamental elements in civil engineering, known for their porous nature and lightweight composition. However, the complexity of its microstructure and the mechanisms that control its behavior presents ongoing challenges. This comprehensive review aims to confront these uncertainties head-on, delving into the multifaceted field of cellular materials. It highlights the key role played by numerical and mathematical analysis in revealing the mysterious elasticity of these structures. Furthermore, the review covers a range of topics, from the simulation of manufacturing processes to the complex relationships between microstructure and mechanical properties. This review provides a panoramic view of the field by traversing various numerical and mathematical analysis methods. Furthermore, it reveals cutting-edge theoretical frameworks that promise to redefine our understanding of cellular solids. By providing these contemporary insights, this study not only points the way for future research but also illuminates pathways to practical applications in civil and materials engineering.
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Affiliation(s)
| | - Marcin Kamiński
- Department of Structural Mechanics, Faculty of Civil Engineering, Architecture and Environmental Engineering, Lodz University of Technology, 93-590 Lodz, Poland;
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Das KK, Basu B, Maiti P, Dubey AK. Piezoelectric nanogenerators for self-powered wearable and implantable bioelectronic devices. Acta Biomater 2023; 171:85-113. [PMID: 37673230 DOI: 10.1016/j.actbio.2023.08.057] [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: 06/07/2023] [Revised: 08/05/2023] [Accepted: 08/29/2023] [Indexed: 09/08/2023]
Abstract
One of the recent innovations in the field of personalized healthcare is the piezoelectric nanogenerators (PENGs) for various clinical applications, including self-powered sensors, drug delivery, tissue regeneration etc. Such innovations are perceived to potentially address some of the unmet clinical needs, e.g., limited life-span of implantable biomedical devices (e.g., pacemaker) and replacement related complications. To this end, the generation of green energy from biomechanical sources for wearable and implantable bioelectronic devices gained considerable attention in the scientific community. In this perspective, this article provides a comprehensive state-of-the-art review on the recent developments in the processing, applications and associated concerns of piezoelectric materials (synthetic/biological) for personalized healthcare applications. In particular, this review briefly discusses the concepts of piezoelectric energy harvesting, piezoelectric materials (ceramics, polymers, nature-inspired), and the various applications of piezoelectric nanogenerators, such as, self-powered sensors, self-powered pacemakers, deep brain stimulators etc. Important distinction has been made in terms of the potential clinical applications of PENGs, either as wearable or implantable bioelectronic devices. While discussing the potential applications as implantable devices, the biocompatibility of the several hybrid devices using large animal models is summarized. This review closes with the futuristic vision of integrating data science approaches in developmental pipeline of PENGs as well as clinical translation of the next generation PENGs. STATEMENT OF SIGNIFICANCE: Piezoelectric nanogenerators (PENGs) hold great promise for transforming personalized healthcare through self-powered sensors, drug delivery systems, and tissue regeneration. The limited battery life of implantable devices like pacemakers presents a significant challenge, leading to complications from repititive surgeries. To address such a critical issue, researchers are focusing on generating green energy from biomechanical sources to power wearable and implantable bioelectronic devices. This comprehensive review critically examines the latest advancements in synthetic and nature-inspired piezoelectric materials for PENGs in personalized healthcare. Moreover, it discusses the potential of piezoelectric materials and data science approaches to enhance the efficiency and reliability of personalized healthcare devices for clinical applications.
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Affiliation(s)
- Kuntal Kumar Das
- Department of Ceramic Engineering, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Bikramjit Basu
- Materials Research Center, Indian Institute of Science, Bengaluru 560012, India
| | - Pralay Maiti
- SMST, Indian Institute of Technology (BHU), Varanasi 221005, India
| | - Ashutosh Kumar Dubey
- Department of Ceramic Engineering, Indian Institute of Technology (BHU), Varanasi 221005, India.
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Tai Y, Tonmoy TI, Win S, Brinkley NT, Park BH, Nam J. Enhanced peripheral nerve regeneration by mechano-electrical stimulation. NPJ Regen Med 2023; 8:57. [PMID: 37848428 PMCID: PMC10582163 DOI: 10.1038/s41536-023-00334-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/29/2023] [Indexed: 10/19/2023] Open
Abstract
To address limitations in current approaches for treating large peripheral nerve defects, the presented study evaluated the feasibility of functional material-mediated physical stimuli on peripheral nerve regeneration. Electrospun piezoelectric poly(vinylidene fluoride-trifluoroethylene) nanofibers were utilized to deliver mechanical actuation-activated electrical stimulation to nerve cells/tissues in a non-invasive manner. Using morphologically and piezoelectrically optimized nanofibers for neurite extension and Schwann cell maturation based on in vitro experiments, piezoelectric nerve conduits were synthesized and implanted in a rat sciatic nerve transection model to bridge a critical-sized sciatic nerve defect (15 mm). A therapeutic shockwave system was utilized to periodically activate the piezoelectric effect of the implanted nerve conduit on demand. The piezoelectric nerve conduit-mediated mechano-electrical stimulation (MES) induced enhanced peripheral nerve regeneration, resulting in full axon reconnection with myelin regeneration from the proximal to the distal ends over the critical-sized nerve gap. In comparison, a control group, in which the implanted piezoelectric conduits were not activated in vivo, failed to exhibit such nerve regeneration. In addition, at both proximal and distal ends of the implanted conduits, a decreased number of damaged myelination (ovoids), an increased number of myelinated nerves, and a larger axonal diameter were observed under the MES condition as compared to the control condition. Furthermore, unlike the control group, the MES condition exhibited a superior functional nerve recovery, assessed by walking track analysis and polarization-sensitive optical coherence tomography, demonstrating the significant potential of the piezoelectric conduit-based physical stimulation approach for the treatment of peripheral nerve injury.
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Affiliation(s)
- Youyi Tai
- Department of Bioengineering, University of California, Riverside, CA, 92521, USA
| | | | - Shwe Win
- Department of Bioengineering, University of California, Riverside, CA, 92521, USA
| | - Natasha T Brinkley
- Department of Bioengineering, University of California, Riverside, CA, 92521, USA
| | - B Hyle Park
- Department of Bioengineering, University of California, Riverside, CA, 92521, USA
| | - Jin Nam
- Department of Bioengineering, University of California, Riverside, CA, 92521, USA.
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Elyaderani AK, De Lama-Odría MDC, del Valle LJ, Puiggalí J. Multifunctional Scaffolds Based on Emulsion and Coaxial Electrospinning Incorporation of Hydroxyapatite for Bone Tissue Regeneration. Int J Mol Sci 2022; 23:ijms232315016. [PMID: 36499342 PMCID: PMC9738225 DOI: 10.3390/ijms232315016] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/23/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Tissue engineering is nowadays a powerful tool to restore damaged tissues and recover their normal functionality. Advantages over other current methods are well established, although a continuous evolution is still necessary to improve the final performance and the range of applications. Trends are nowadays focused on the development of multifunctional scaffolds with hierarchical structures and the capability to render a sustained delivery of bioactive molecules under an appropriate stimulus. Nanocomposites incorporating hydroxyapatite nanoparticles (HAp NPs) have a predominant role in bone tissue regeneration due to their high capacity to enhance osteoinduction, osteoconduction, and osteointegration, as well as their encapsulation efficiency and protection capability of bioactive agents. Selection of appropriated polymeric matrices is fundamental and consequently great efforts have been invested to increase the range of properties of available materials through copolymerization, blending, or combining structures constituted by different materials. Scaffolds can be obtained from different processes that differ in characteristics, such as texture or porosity. Probably, electrospinning has the greater relevance, since the obtained nanofiber membranes have a great similarity with the extracellular matrix and, in addition, they can easily incorporate functional and bioactive compounds. Coaxial and emulsion electrospinning processes appear ideal to generate complex systems able to incorporate highly different agents. The present review is mainly focused on the recent works performed with Hap-loaded scaffolds having at least one structural layer composed of core/shell nanofibers.
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Affiliation(s)
- Amirmajid Kadkhodaie Elyaderani
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
| | - María del Carmen De Lama-Odría
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
| | - Luis J. del Valle
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
- Correspondence: (L.J.d.V.); (J.P.)
| | - Jordi Puiggalí
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
- Barcelona Research Center for Multiscale Science and Engineering, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Carrer Baldiri i Reixac 11-15, 08028 Barcelona, Spain
- Correspondence: (L.J.d.V.); (J.P.)
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Ponomareva S, Joisten H, François T, Naud C, Morel R, Hou Y, Myers T, Joumard I, Dieny B, Carriere M. Magnetic particles for triggering insulin release in INS-1E cells subjected to a rotating magnetic field. NANOSCALE 2022; 14:13274-13283. [PMID: 36056640 DOI: 10.1039/d2nr02009b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Diabetes is a major global health threat. Both academics and industry are striving to develop effective treatments for this disease. In this work, we present a new approach to induce insulin release from β-islet pancreatic cells (INS-1E) by mechanical stimulation. Two types of experiments were carried out. First, a local stimulation was performed by dispersing anisotropic magnetic particles within the cell medium, which settled down almost immediately on cell plasma membranes. Application of a low frequency magnetic field (up to 40 Hz) generated by a custom-made magnetic device resulted in oscillations of these particles, which then exerted a mechanical constraint on the cell plasma membranes. The second type of experiment consisted of a global stimulation, where cells were grown on magneto-elastic membranes composed of a biocompatible polymer with embedded magnetic particles. Upon application of a rotating magnetic field, magnetic particles within the membrane were attracted towards the field source, resulting in the membrane's vibrations being transmitted to the cells grown on it. In both experiments, the cell response to these mechanical stimulations caused by application of the variable magnetic field was quantified via the measurement of insulin release in the growth medium. We demonstrated that the mechanical action induced by the motion of magnetic particles or by membrane vibrations was an efficient stimulus for insulin granule secretion from β-cells. This opens a wide range of possible applications including the design of a system which triggers insulin secretion by β-islet pancreatic cells on demand.
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Affiliation(s)
- Svetlana Ponomareva
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
| | - Helene Joisten
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
- Univ. Grenoble Alpes, CEA, Leti, 38000 Grenoble, France
| | - Taina François
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SYMMES, 38000 Grenoble, France.
| | - Cecile Naud
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
| | - Robert Morel
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
| | - Yanxia Hou
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SYMMES, 38000 Grenoble, France.
| | - Thomas Myers
- Platform Kinetics, Pegholme, Wharfebank Mills, Otley, LS21 3JP, UK
| | - Isabelle Joumard
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
| | - Bernard Dieny
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SPINTEC, 38000 Grenoble, France.
| | - Marie Carriere
- Univ. Grenoble Alpes, CEA, CNRS, Grenoble INP, IRIG, SYMMES, 38000 Grenoble, France.
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