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Moghaddam A, Bahrami M, Mirzadeh M, Khatami M, Simorgh S, Chimehrad M, Kruppke B, Bagher Z, Mehrabani D, Khonakdar HA. Recent trends in bone tissue engineering: a review of materials, methods, and structures. Biomed Mater 2024; 19:042007. [PMID: 38636500 DOI: 10.1088/1748-605x/ad407d] [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: 09/23/2023] [Accepted: 04/18/2024] [Indexed: 04/20/2024]
Abstract
Bone tissue engineering (BTE) provides the treatment possibility for segmental long bone defects that are currently an orthopedic dilemma. This review explains different strategies, from biological, material, and preparation points of view, such as using different stem cells, ceramics, and metals, and their corresponding properties for BTE applications. In addition, factors such as porosity, surface chemistry, hydrophilicity and degradation behavior that affect scaffold success are introduced. Besides, the most widely used production methods that result in porous materials are discussed. Gene delivery and secretome-based therapies are also introduced as a new generation of therapies. This review outlines the positive results and important limitations remaining in the clinical application of novel BTE materials and methods for segmental defects.
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Affiliation(s)
| | - Mehran Bahrami
- Department of Mechanical Engineering and Mechanics, Lehigh University, 27 Memorial Dr W, Bethlehem, PA 18015, United States of America
| | | | - Mehrdad Khatami
- Iran Polymer and Petrochemical Institute (IPPI), Tehran 14965-115, Iran
| | - Sara Simorgh
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammadreza Chimehrad
- Department of Mechanical & Aerospace Engineering, College of Engineering & Computer Science, University of Central Florida, Orlando, FL, United States of America
| | - Benjamin Kruppke
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany
| | - Zohreh Bagher
- Department of Tissue Engineering and Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Davood Mehrabani
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Fars 71348-14336, Iran
- Stem Cell Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Fars 71345-1744, Iran
| | - Hossein Ali Khonakdar
- Iran Polymer and Petrochemical Institute (IPPI), Tehran 14965-115, Iran
- Max Bergmann Center of Biomaterials and Institute of Materials Science, Technische Universität Dresden, 01069 Dresden, Germany
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2
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Gonçalves LFFF, Reis RL, Fernandes EM. Forefront Research of Foaming Strategies on Biodegradable Polymers and Their Composites by Thermal or Melt-Based Processing Technologies: Advances and Perspectives. Polymers (Basel) 2024; 16:1286. [PMID: 38732755 PMCID: PMC11085284 DOI: 10.3390/polym16091286] [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: 01/12/2024] [Revised: 04/13/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
The last few decades have witnessed significant advances in the development of polymeric-based foam materials. These materials find several practical applications in our daily lives due to their characteristic properties such as low density, thermal insulation, and porosity, which are important in packaging, in building construction, and in biomedical applications, respectively. The first foams with practical applications used polymeric materials of petrochemical origin. However, due to growing environmental concerns, considerable efforts have been made to replace some of these materials with biodegradable polymers. Foam processing has evolved greatly in recent years due to improvements in existing techniques, such as the use of supercritical fluids in extrusion foaming and foam injection moulding, as well as the advent or adaptation of existing techniques to produce foams, as in the case of the combination between additive manufacturing and foam technology. The use of supercritical CO2 is especially advantageous in the production of porous structures for biomedical applications, as CO2 is chemically inert and non-toxic; in addition, it allows for an easy tailoring of the pore structure through processing conditions. Biodegradable polymeric materials, despite their enormous advantages over petroleum-based materials, present some difficulties regarding their potential use in foaming, such as poor melt strength, slow crystallization rate, poor processability, low service temperature, low toughness, and high brittleness, which limits their field of application. Several strategies were developed to improve the melt strength, including the change in monomer composition and the use of chemical modifiers and chain extenders to extend the chain length or create a branched molecular structure, to increase the molecular weight and the viscosity of the polymer. The use of additives or fillers is also commonly used, as fillers can improve crystallization kinetics by acting as crystal-nucleating agents. Alternatively, biodegradable polymers can be blended with other biodegradable polymers to combine certain properties and to counteract certain limitations. This work therefore aims to provide the latest advances regarding the foaming of biodegradable polymers. It covers the main foaming techniques and their advances and reviews the uses of biodegradable polymers in foaming, focusing on the chemical changes of polymers that improve their foaming ability. Finally, the challenges as well as the main opportunities presented reinforce the market potential of the biodegradable polymer foam materials.
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Affiliation(s)
- Luis F. F. F. Gonçalves
- 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 Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal;
- ICVS/3B’s—PT Government Associate Laboratory, Barco, 4805-017 Guimarães, Portugal
| | - Rui L. Reis
- 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 Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal;
- ICVS/3B’s—PT Government Associate Laboratory, Barco, 4805-017 Guimarães, Portugal
| | - Emanuel M. Fernandes
- 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 Ciência e Tecnologia, Zona Industrial da Gandra, Barco, 4805-017 Guimarães, Portugal;
- ICVS/3B’s—PT Government Associate Laboratory, Barco, 4805-017 Guimarães, Portugal
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3
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Kjidaa B, Mchich Z, Aziz K, Saffaj N, Saffaj T, Mamouni R. Flexible Synthesis of Bio-Hydroxyapatite/Chitosan Hydrogel Beads for Highly Efficient Orange G Dye Removal: Batch and Recirculating Fixed-Bed Column Study. ACS OMEGA 2024; 9:8543-8556. [PMID: 38405537 PMCID: PMC10883016 DOI: 10.1021/acsomega.3c10054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/19/2024] [Accepted: 01/24/2024] [Indexed: 02/27/2024]
Abstract
The use of fish waste as a source material for the development of functional beads has significant potential applications in the fields of materials science and environmental sustainability. In this study, a biomaterial bead of chitosan was cross-linked with bio-hydroxyapatite (Bio-Hap/Cs) through the encapsulation process to create a stable and durable material. The beads are characterized using scanning electron microscopy combined with energy dispersive X-ray spectrometry, Fourier transform infrared spectroscopy, and X-ray diffraction techniques. The adsorption efficiency of Bio-Hap/Cs hydrogel beads was evaluated by using Orange G (OG) dye in both batch and recirculating column systems, and the effect of various parameters on the adsorption capacity was investigated. In the batch study, it was found that OG removal increased with an increasing pH and adsorbent dose. However, in the recirculating column system, a higher bed height and lower flow rate led to increased removal of the OG dye. The kinetic study indicated that the pseudo-second-order model provided a good description of OG adsorption onto Bio-Hap/Cs beads in both batch and recirculating processes, with a high coefficient correlation. The maximum adsorbed amounts are found to be 19.944 mg g-1 and 9.472 mg g-1 in batch and recirculating processes, respectively. Therefore, Bio-Hap/Cs hydrogel beads have demonstrated an effective and reusable material for OG dye remediation from aqueous solutions using recirculating adsorption processes.
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Affiliation(s)
- Bouthayna Kjidaa
- Team
of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco
| | - Zaineb Mchich
- Team
of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco
| | - Khalid Aziz
- Team
of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco
| | - Nabil Saffaj
- Team
of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco
| | - Taoufiq Saffaj
- Laboratory
of Applied Organic Chemistry, Faculty of Sciences and Techniques of
Fez, University Sidi Mohamed Ben Abdellah, Fez 30000, Morocco
| | - Rachid Mamouni
- Team
of Biotechnology, Materials and Environment, Faculty of Sciences, Ibn Zohr University, Agadir 80000, Morocco
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Wang R, Zha X, Chen J, Fu R, Fu Y, Xiang J, Yang W, Zhao L. Hierarchical Composite Scaffold with Deferoxamine Delivery System to Promote Bone Regeneration via Optimizing Angiogenesis. Adv Healthc Mater 2024:e2304232. [PMID: 38375993 DOI: 10.1002/adhm.202304232] [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: 11/30/2023] [Revised: 02/18/2024] [Indexed: 02/21/2024]
Abstract
A bone defect refers to the loss of bone tissue caused by trauma or lesion. Bone defects result in high morbidity and deformity rates worldwide. Autologous bone grafting has been widely applied in clinics as the gold standard of treatment; however, it has limitations. Hence, bone tissue engineering has been proposed and developed as a novel therapeutic strategy for treating bone defects. Rapid and effective vascularization is essential for bone regeneration. In this study, a hierarchical composite scaffold with deferoxamine (DFO) delivery system, DFO@GMs-pDA/PCL-HNTs (DGPN), is developed, focusing on vascularized bone regeneration. The hierarchical structure of DGPN imitates the microstructure of natural bone and interacts with the local extracellular matrix, facilitating cell adhesion and proliferation. The addition of 1 wt% of halloysite nanotubes (HNTs) improves the material properties. Hydrophilic and functional groups conferred by polydopamine (pDA) modifications strengthen the scaffold bioactivity. Gelatin microspheres (GMs) protect the pharmacological activity of DFO, achieving local application and sustained release for 7 days. DFO effectively promotes angiogenesis by activating the signaling pathway of hypoxia inducible factor-1 α. In addition, DFO synergizes with HNTs to promote osteogenic differentiation and matrix mineralization. These results indicate that DGPN promotes bone regeneration and accelerates cranial defect healing.
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Affiliation(s)
- Raokaijuan Wang
- West China School of Stomatology Sichuan University, State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, Chengdu, 610041, China
| | - Xiangjun Zha
- Liver Transplant Center and Laboratory of Liver Transplantation, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jouchen Chen
- West China School of Stomatology Sichuan University, State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, Chengdu, 610041, China
| | - Ruijie Fu
- West China School of Stomatology Sichuan University, State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, Chengdu, 610041, China
| | - Yajun Fu
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Jie Xiang
- West China School of Stomatology Sichuan University, State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, Chengdu, 610041, China
| | - Wei Yang
- College of Polymer Science and Engineering, Sichuan University, Chengdu, 610065, China
| | - Lixing Zhao
- Department of Orthodontics, West China School of Stomatology Sichuan University, State Key Laboratory of Oral Diseases/National Clinical Research Center for Oral Diseases, Chengdu, 610041, China
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Valls-Esteve A, Tejo-Otero A, Adell-Gómez N, Lustig-Gainza P, Fenollosa-Artés F, Buj-Corral I, Rubio-Palau J, Munuera J, Krauel L. Advanced Strategies for the Fabrication of Multi-Material Anatomical Models of Complex Pediatric Oncologic Cases. Bioengineering (Basel) 2023; 11:31. [PMID: 38247908 PMCID: PMC10813349 DOI: 10.3390/bioengineering11010031] [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: 10/16/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 01/23/2024] Open
Abstract
The printing and manufacturing of anatomical 3D models has gained popularity in complex surgical cases for surgical planning, simulation and training, the evaluation of anatomical relations, medical device testing and patient-professional communication. 3D models provide the haptic feedback that Virtual or Augmented Reality (VR/AR) cannot provide. However, there are many technologies and strategies for the production of 3D models. Therefore, the aim of the present study is to show and compare eight different strategies for the manufacture of surgical planning and training prototypes. The eight strategies for creating complex abdominal oncological anatomical models, based on eight common pediatric oncological cases, were developed using four common technologies (stereolithography (SLA), selectie laser sinterning (SLS), fused filament fabrication (FFF) and material jetting (MJ)) along with indirect and hybrid 3D printing methods. Nine materials were selected for their properties, with the final models assessed for application suitability, production time, viscoelastic mechanical properties (shore hardness and elastic modulus) and cost. The manufacturing and post-processing of each strategy is assessed, with times ranging from 12 h (FFF) to 61 h (hybridization of FFF and SLS), as labor times differ significantly. Cost per model variation is also significant, ranging from EUR 80 (FFF) to EUR 600 (MJ). The main limitation is the mimicry of physiological properties. Viscoelastic properties and the combination of materials, colors and textures are also substantially different according to the strategy and the intended use. It was concluded that MJ is the best overall option, although its use in hospitals is limited due to its cost. Consequently, indirect 3D printing could be a solid and cheaper alternative.
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Affiliation(s)
- Arnau Valls-Esteve
- Innovation Department, SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- Medicina i Recerca Translacional, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08007 Barcelona, Spain
- 3D Unit (3D4H), SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Aitor Tejo-Otero
- Centre CIM, Universitat Politècnica de Catalunya (CIM UPC), Carrer de Llorens i Artigas, 12, 08028 Barcelona, Spain
| | - Núria Adell-Gómez
- Innovation Department, SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- 3D Unit (3D4H), SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Pamela Lustig-Gainza
- Innovation Department, SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- 3D Unit (3D4H), SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
| | - Felip Fenollosa-Artés
- Centre CIM, Universitat Politècnica de Catalunya (CIM UPC), Carrer de Llorens i Artigas, 12, 08028 Barcelona, Spain
- Department of Mechanical Engineering, Barcelona School of Industrial Engineering (ETSEIB), Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain
| | - Irene Buj-Corral
- Department of Mechanical Engineering, Barcelona School of Industrial Engineering (ETSEIB), Universitat Politècnica de Catalunya, Av. Diagonal, 647, 08028 Barcelona, Spain
| | - Josep Rubio-Palau
- Medicina i Recerca Translacional, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08007 Barcelona, Spain
- 3D Unit (3D4H), SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- Pediatric Surgical Oncology, Pediatric Surgery Department, SJD Barcelona Children’s Hospital, Universitat de Barcelona, 08950 Barcelona, Spain
- Maxillofacial Unit, Department of Pediatric Surgery, Pediatric Surgical Oncology, SJD Barcelona Children’s Hospital, Universitat de Barcelona, 08950 Barcelona, Spain
| | - Josep Munuera
- Medicina i Recerca Translacional, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08007 Barcelona, Spain
- Diagnostic Imaging Department, Hospital de la Santa Creu i Sant Pau, 08027 Barcelona, Spain
- Advanced Medical Imaging, Artificial Intelligence, and Imaging-Guided Therapy Research Group, Institut de Recerca Sant Pau—Centre CERCA, 08041 Barcelona, Spain
| | - Lucas Krauel
- Medicina i Recerca Translacional, Facultat de Medicina i Ciències de la Salut, Universitat de Barcelona, 08007 Barcelona, Spain
- 3D Unit (3D4H), SJD Barcelona Children’s Hospital, Santa Rosa 39-57, 08950 Esplugues de Llobregat, Spain
- Pediatric Surgical Oncology, Pediatric Surgery Department, SJD Barcelona Children’s Hospital, Universitat de Barcelona, 08950 Barcelona, Spain
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Fanovich MA, Di Maio E, Salerno A. Current Trend and New Opportunities for Multifunctional Bio-Scaffold Fabrication via High-Pressure Foaming. J Funct Biomater 2023; 14:480. [PMID: 37754894 PMCID: PMC10531842 DOI: 10.3390/jfb14090480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Revised: 09/03/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023] Open
Abstract
Biocompatible and biodegradable foams prepared using the high-pressure foaming technique have been widely investigated in recent decades as porous scaffolds for in vitro and in vivo tissue growth. In fact, the foaming process can operate at low temperatures to load bioactive molecules and cells within the pores of the scaffold, while the density and pore architecture, and, hence, properties of the scaffold, can be finely modulated by the proper selection of materials and processing conditions. Most importantly, the high-pressure foaming of polymers is an ideal choice to limit and/or avoid the use of cytotoxic and tissue-toxic compounds during scaffold preparation. The aim of this review is to provide the reader with the state of the art and current trend in the high-pressure foaming of biomedical polymers and composites towards the design and fabrication of multifunctional scaffolds for tissue engineering. This manuscript describes the application of the gas foaming process for bio-scaffold design and fabrication and highlights some of the most interesting results on: (1) the engineering of porous scaffolds featuring biomimetic porosity to guide cell behavior and to mimic the hierarchical architecture of complex tissues, such as bone; (2) the bioactivation of the scaffolds through the incorporation of inorganic fillers and drugs.
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Affiliation(s)
- María Alejandra Fanovich
- Institute of Materials Science and Technology (INTEMA), National University of Mar del Plata, National Research Council (CONICET), Mar del Plata 7600, Argentina;
| | - Ernesto Di Maio
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
| | - Aurelio Salerno
- Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, 80125 Naples, Italy;
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7
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Akiyama N, Patel KD, Jang EJ, Shannon MR, Patel R, Patel M, Perriman AW. Tubular nanomaterials for bone tissue engineering. J Mater Chem B 2023; 11:6225-6248. [PMID: 37309580 DOI: 10.1039/d3tb00905j] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Nanomaterial composition, morphology, and mechanical performance are critical parameters for tissue engineering. Within this rapidly expanding space, tubular nanomaterials (TNs), including carbon nanotubes (CNTs), titanium oxide nanotubes (TNTs), halloysite nanotubes (HNTs), silica nanotubes (SiNTs), and hydroxyapatite nanotubes (HANTs) have shown significant potential across a broad range of applications due to their high surface area, versatile surface chemistry, well-defined mechanical properties, excellent biocompatibility, and monodispersity. These include drug delivery vectors, imaging contrast agents, and scaffolds for bone tissue engineering. This review is centered on the recent developments in TN-based biomaterials for structural tissue engineering, with a strong focus on bone tissue regeneration. It includes a detailed literature review on TN-based orthopedic coatings for metallic implants and composite scaffolds to enhance in vivo bone regeneration.
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Affiliation(s)
- Naomi Akiyama
- Department of Chemical Engineering, The Cooper Union of the Advancement of Science and Art, New York City, NY 10003, USA
| | - Kapil D Patel
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK
| | - Eun Jo Jang
- Nano Science and Engineering (NSE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, Yeonsu-gu, Incheon 21983, South Korea
| | - Mark R Shannon
- Bristol Composites Institute (BCI), University of Bristol, Bristol, BS8 1UP, UK
| | - Rajkumar Patel
- Energy and Environmental Science and Engineering (EESE), Integrated Science and Engineering Division (ISED), Underwood International College, Yonsei University, Yeonsu-gu, Incheon 21983, South Korea
| | - Madhumita Patel
- Department of Chemistry and Nanoscience, Ewha Womans University, 52 Ewhayeodae-gil, Seodaemun-gu, Seoul, 03760, South Korea.
| | - Adam Willis Perriman
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, BS8 1TD, UK
- Research School of Chemistry, Australian National University, Canberra, ACT 2601, Australia
- John Curtin School of Medical Research, Australian National University, Canberra, ACT 2601, Australia.
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8
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Dehghan-Niri M, Vasheghani-Farahani E, Eslaminejad MB, Tavakol M, Bagheri F. Preparation of gum tragacanth/poly (vinyl alcohol)/halloysite hydrogel using electron beam irradiation with potential for bone tissue engineering. Carbohydr Polym 2023; 305:120548. [PMID: 36737197 DOI: 10.1016/j.carbpol.2023.120548] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/09/2023]
Abstract
Nanocomposite hydrogels based on tyramine conjugated gum tragacanth, poly (vinyl alcohol) (PVA), and halloysite nanotubes (HNTs) were prepared by electron beam irradiation and characterized. The FTIR, 1H NMR, and TGA results confirmed the chemical incorporation of HNTs into gum tragacanth. Gel content and swelling of hydrogels decreased with HNTs loading up to 20 % wt. The mechanical strength of hydrogels increased by increasing HNTs content up to 10 % with 371 kPa fracture stress at 0.95 fracture strain, compared to 312 kPa stress at 0.79 strain for gum tragacanth/PVA hydrogel. Hydrogel's biocompatibility and osteogenic activity were tested by seeding rabbit bone marrow mesenchymal stem cells. The cell viability was >85 % after 7 days of culture. In vitro secretion of ALP and calcium deposition on hydrogels in alizarin red assay after 21 days of culture indicated hydrogel potential for bone tissue engineering.
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Affiliation(s)
- Maryam Dehghan-Niri
- Biomedical Engineering Division, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
| | | | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Sciences Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Moslem Tavakol
- Department of Chemical and Polymer Engineering, Yazd University, Yazd, Iran
| | - Fatemeh Bagheri
- Biotechnology Department, Faculty of Chemical Engineering, Tarbiat Modares University, Tehran, Iran
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Yadav U, Verma V. Halloysite nanoclay reinforced hydroxyapatite porous scaffold for hard tissue regeneration. J Mech Behav Biomed Mater 2023; 140:105626. [PMID: 36739825 DOI: 10.1016/j.jmbbm.2022.105626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/06/2022] [Accepted: 12/12/2022] [Indexed: 01/21/2023]
Abstract
Hydroxyapatite (HAP), a natural constituent of bone tissue is commonly used for the clinical treatment of bone defects due to its similar structure with bone and excellent biocompatibility. However, the processing exertion, poor osteoinductive capability and poor mechanical strength of HAP needs further addressing for its immense implementation in tissue engineering. Different approaches have been reported to escalate the mechanical hardness and osteogenic potential of HAP. In the present work, halloysite nanoclay (HNC) and sericin protein were used for better mechanical and osteogenic properties, respectively. Halloysite nanoclay (HNC, 1.0-4.0%) was used to reinforce hydroxyapatite (HAP) and the mechanical strength of nanocomposite scaffolds were evaluated. After surface modification of nanocomposite scaffolds with 1.0% silk sericin protein; physical properties like microstructure, porosity, swelling ratio and degradation rate were evaluated. Cell morphology, cytocompatibility and alkaline phosphatase (ALP) activity were assessed using MG 63 osteoblast cell lines. HAP reinforced with 4% HNC (HAP@4) showed a significant increase (199 MPa) in young modulus as compared to pure HAP. HAP reinforced with 2% HNC (HAP@2) and 4% HNC (HAP@4) showed a significant decrease in porosity as well as degradation rate than pure HAP but no significant difference was observed in swelling ratio. The scanning electron microscope (SEM) images of the scaffolds showed porous architecture. Remarkably, the incorporation of HNC in HAP enhanced the cytocompatibility as well as ALP activity in comparison to pure HAP. Overall, these results suggested that halloysite nanoclay reinforced HAP scaffold could be an auspicious alternative for bone tissue regeneration.
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Affiliation(s)
- Umakant Yadav
- Department of Materials Sciences and Engineering, Indian Institute of Technology, Kanpur, Uttar Pradesh, 208016, India
| | - Vivek Verma
- Department of Materials Sciences and Engineering, Indian Institute of Technology, Kanpur, Uttar Pradesh, 208016, India.
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Hagh HB, Unsworth LD, Doustdar F, Olad A. Fibrous electrospun polycaprolactone nanomat reinforced with halloysite nanotubes: Preparation and study of its potential application as tissue engineering scaffold. POLYM ADVAN TECHNOL 2023. [DOI: 10.1002/pat.6001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Haleh Bakhtkhosh Hagh
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry University of Tabriz Tabriz Iran
- Department of Chemical and Materials Engineering University of Alberta Edmonton Alberta Canada
| | - Larry D. Unsworth
- Department of Chemical and Materials Engineering University of Alberta Edmonton Alberta Canada
| | - Fatemeh Doustdar
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry University of Tabriz Tabriz Iran
| | - Ali Olad
- Polymer Composite Research Laboratory, Department of Applied Chemistry, Faculty of Chemistry University of Tabriz Tabriz Iran
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11
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Solechan S, Suprihanto A, Widyanto SA, Triyono J, Fitriyana DF, Siregar JP, Cionita T. Characterization of PLA/PCL/Nano-Hydroxyapatite (nHA) Biocomposites Prepared via Cold Isostatic Pressing. Polymers (Basel) 2023; 15:polym15030559. [PMID: 36771860 PMCID: PMC9919168 DOI: 10.3390/polym15030559] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 01/19/2023] [Accepted: 01/19/2023] [Indexed: 01/24/2023] Open
Abstract
Hydroxyapatite has the closest chemical composition to human bone. Despite this, the use of nano-hydroxyapatite (nHA) to produce biocomposite scaffolds from a mixture of polylactic acid (PLA) and polycaprolactone (PCL) using cold isostatic pressing has not been studied intensively. In this study, biocomposites were created employing nHA as an osteoconductive filler and a polymeric blend of PLA and PCL as a polymer matrix for prospective usage in the medical field. Cold isostatic pressing and subsequent sintering were used to create composites with different nHA concentrations that ranged from 0 to 30 weight percent. Using physical and mechanical characterization techniques such as Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), scanning electron microscopy (SEM), and density, porosity, tensile, and flexural standard tests, it was determined how the nHA concentrations affected the biocomposite's general properties. In this study, the presence of PLA, PCL, and nHA was well identified using FTIR, XRD, and SEM methods. The biocomposites with high nHA content showed intense bands for symmetric stretching and the asymmetric bending vibration of PO43-. The incorporation of nHA into the polymeric blend matrix resulted in a rather irregular structure and the crystallization became more difficult. The addition of nHA improved the density and tensile and flexural strength of the PLA/PCL matrix (0% nHA). However, with increasing nHA content, the PLA/PCL/nHA biocomposites became more porous. In addition, the density, flexural strength, and tensile strength of the PLA/PCL/nHA biocomposites decreased with increasing nHA concentration. The PLA/PCL/nHA biocomposites with 10% nHA had the highest mechanical properties with a density of 1.39 g/cm3, a porosity of 1.93%, a flexural strength of 55.35 MPa, and a tensile strength of 30.68 MPa.
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Affiliation(s)
- Solechan Solechan
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
- Department of Mechanical Engineering, Universitas Muhammadiyah Semarang, Kampus Kasipah, Semarang 50254, Indonesia
- Correspondence:
| | - Agus Suprihanto
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
| | - Susilo Adi Widyanto
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
| | - Joko Triyono
- Department of Mechanical Engineering, Sebelas Maret University, Surakarta 57126, Indonesia
| | - Deni Fajar Fitriyana
- Department of Mechanical Engineering, Universitas Negeri Semarang, Kampus Sekaran, Gunungpati, Semarang 50229, Indonesia
| | - Januar Parlaungan Siregar
- Faculty of Mechanical & Automotive Engineering Technology, Universiti Malaysia Pahang, Pekan 26600, Malaysia
| | - Tezara Cionita
- Faculty of Engineering and Quantity Surveying, INTI International University, Nilai 71800, Malaysia
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12
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Ismail R, Cionita T, Lai YL, Fitriyana DF, Siregar JP, Bayuseno AP, Nugraha FW, Muhamadin RC, Irawan AP, Hadi AE. Characterization of PLA/PCL/Green Mussel Shells Hydroxyapatite (HA) Biocomposites Prepared by Chemical Blending Methods. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8641. [PMID: 36500143 PMCID: PMC9741189 DOI: 10.3390/ma15238641] [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: 08/26/2022] [Revised: 09/27/2022] [Accepted: 10/01/2022] [Indexed: 06/17/2023]
Abstract
Recently, there has been an increase in the number of studies conducted on the process of developing hydroxyapatite (HA) to use in biocomposites. HA can be derived from natural sources such as bovine bone. The HA usage obtained from green mussel shells in biocomposites in this study will be explored. The research goal is to investigate the composition effect of biomaterials derived from polycaprolactone (PCL), polylactic acid (PLA), as well as HA obtained from green mussel shells with a chemical blending method on mechanical properties and degradation rate. First, 80 mL of chloroform solution was utilized to immerse 16 g of the PLA/PCL mixture with the ratios of 85:15 and 60:40 for 30 min. A magnetic stirrer was used to mix the solution for an additional 30 min at a temperature and speed of 50 °C and 300 rpm. Next, the hydroxyapatite (HA) was added in percentages of 5%, 10%, and 15%, as well as 20% of the PLA/PCL mixture's total weight. It was then stirred for 1 h at 100 rpm at 65 °C to produce a homogeneous mixture of HA and polymer. The biocomposite mixture was then added into a glass mold as per ASTM D790. Following this, biocomposite specimens were tested for their density, biodegradability, and three points of bending in determining the effect of HA and polymer composition on the degradation rate and mechanical properties. According to the findings of this study, increasing the HA and PLA composition yields a rise in the mechanical properties of the biocomposites. However, the biocomposite degradation rate is increasing.
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Affiliation(s)
- Rifky Ismail
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
- Center for Biomechanics, Biomaterial, Biomechatronics, and Biosignal Processing (CBIOM3S), Diponegoro University, Semarang 50275, Indonesia
| | - Tezara Cionita
- Department of Mechanical Engineering, Faculty of Engineering and Quantity Surveying, INTI International University, Nilai 71800, Malaysia
| | - Yin Ling Lai
- Department of Mechanical Engineering, Faculty of Engineering and Quantity Surveying, INTI International University, Nilai 71800, Malaysia
| | - Deni Fajar Fitriyana
- Department of Mechanical Engineering, Faculty of Engineering, Universitas Negeri Semarang, Semarang 50229, Indonesia
| | | | | | - Fariz Wisda Nugraha
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
- Center for Biomechanics, Biomaterial, Biomechatronics, and Biosignal Processing (CBIOM3S), Diponegoro University, Semarang 50275, Indonesia
| | - Rilo Chandra Muhamadin
- Department of Mechanical Engineering, Faculty of Engineering, Diponegoro University, Semarang 50275, Indonesia
- Center for Biomechanics, Biomaterial, Biomechatronics, and Biosignal Processing (CBIOM3S), Diponegoro University, Semarang 50275, Indonesia
| | - Agustinus Purna Irawan
- Department of Mechanical Engineering, Faculty of Engineering, Universitas Tarumanagara, Jakarta Barat 11440, Indonesia
| | - Agung Efriyo Hadi
- Mechanical Engineering Department, Faculty of Engineering, Universitas Malahayati, Bandar Lampung 35153, Indonesia
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13
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Kumar R, Chauhan S. Cellulose nanocrystals based delivery vehicles for anticancer agent curcumin. Int J Biol Macromol 2022; 221:842-864. [PMID: 36100000 DOI: 10.1016/j.ijbiomac.2022.09.077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/21/2022] [Accepted: 09/08/2022] [Indexed: 11/05/2022]
Abstract
Cancer is a complex disease that starts with genetic alterations and mutations in healthy cells. The past decade has witnessed a huge demand for new biocompatibility and high-performance intelligent drug delivery systems. Curcumin (CUR) is a bioactive stimulant with numerous medical benefits. However, because of its hydrophobic nature, it has low bioavailability. The utilization of many biobased materials has been found to improve the loading of hydrophobic drugs. Cellulose nanocrystals (CNCs) with exceptional qualities and a wide range of applications, feature strong hydrophilicity and lipophilicity, great emulsification stability, high crystallinity and outstanding mechanical attributes. In this review, numerous CNCs-based composites have been evaluated for involvement in the controlled release of CUR. The first part of the review deals with recent advancements in the extraction of CNCs from lignocellulose biomass. The second elaborates some recent developments in the post-processing of CNCs in conjunction with other materials like natural polymers, synthetic polymers, β-CD, and surfactants for CUR loading/encapsulation and controlled release. Furthermore, numerous CUR drug delivery systems, challenges, and techniques for effective loading/encapsulation of CUR on CNCs-based composites have been presented. Finally, conclusions and future outlooks are also explored.
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Affiliation(s)
- Rajesh Kumar
- Department of Chemistry, Jagdish Chandra DAV College, Dasuya, Punjab 144205, India.
| | - Sandeep Chauhan
- Department of Chemistry, Himachal Pradesh University, Summer Hill, Shimla, 171005, India
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14
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Ma J, Wu S, Liu J, Liu C, Ni S, Dai T, Wu X, Zhang Z, Qu J, Zhao H, Zhou D, Zhao X. Synergistic effects of nanoattapulgite and hydroxyapatite on vascularization and bone formation in a rabbit tibia bone defect model. Biomater Sci 2022; 10:4635-4655. [PMID: 35796642 DOI: 10.1039/d2bm00547f] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydroxyapatite (HA) is a promising scaffold material for the treatment of bone defects. However, the lack of angiogenic properties and undesirable mechanical properties (such as fragility) limits the application of HA. Nanoattapulgite (ATP) is a nature-derived clay mineral and has been proven to be a promising bioactive material for bone regeneration due to its ability to induce osteogenesis. In this study, polyvinyl alcohol/collagen/ATP/HA (PVA/COL/ATP/HA) scaffolds were printed. Mouse bone marrow mesenchymal stem/stromal cells (BMSCs) and human umbilical vein endothelial cells (HUVECs) were used in vitro to assess the biocompatibility and the osteogenesis and vascularization induction potentials of the scaffolds. Subsequently, in vivo micro-CT and histological staining were carried out to evaluate new bone formation in a rabbit tibial defect model. The in vitro results showed that the incorporation of ATP increased the printing fidelity and mechanical properties, with values of compressive strengths up to 200% over raw PC-H scaffolds. Simultaneously, the expression levels of osteogenic-related genes and vascularization-related genes were significantly increased after the incorporation of ATP. The in vivo results showed that the PVA/COL/ATP/HA scaffolds exhibited synergistic effects on promoting vascularization and bone formation. The combination of ATP and HA provides a promising strategy for vascularized bone tissue engineering.
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Affiliation(s)
- Jiayi Ma
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China. .,Dalian Medical University, Dalian, 116044, China
| | - Siyu Wu
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China. .,Dalian Medical University, Dalian, 116044, China
| | - Jun Liu
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China. .,Dalian Medical University, Dalian, 116044, China
| | - Chun Liu
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Su Ni
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Ting Dai
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Xiaoyu Wu
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Zhenyu Zhang
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Jixin Qu
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK
| | - Hongbin Zhao
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Dong Zhou
- The Affiliated Changzhou No. 2 People's Hospital of Nanjing Medical University, Changzhou 213164, China.
| | - Xiubo Zhao
- Department of Chemical and Biological Engineering, University of Sheffield, Sheffield S1 3JD, UK.,School of Pharmacy, Changzhou University, Changzhou 213164, China.
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15
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3D-Printed Gentamicin-Releasing Poly-ε-Caprolactone Composite Prevents Fracture-Related Staphylococcus aureus Infection in Mice. Pharmaceutics 2022; 14:pharmaceutics14071363. [PMID: 35890261 PMCID: PMC9320525 DOI: 10.3390/pharmaceutics14071363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/19/2022] [Accepted: 06/20/2022] [Indexed: 12/07/2022] Open
Abstract
Bacterial infections are a serious healthcare complication in orthopedic and trauma surgery worldwide. Compared to systemic, local antibiotic prophylaxis has been shown to provide a higher antibiotic dose and bioavailability at the bone site with minimum toxic effects. However, there are still not enough biomaterial and antibiotic combinations available for personalized implant sizes for patients. The aim of this study was to develop a bone fixation plate coating made of a composite of poly-ε-caprolactone, hydroxyapatite and halloysite nanotubes loaded with gentamicin sulphate and fabricated via fused filament fabrication 3D printing technology. The mechanical and thermal properties of the biomaterial were analyzed. The in vitro release kinetics of gentamicin sulphate were evaluated for 14 days showing a burst release during the first two days that was followed by a sustained release of bactericidal concentrations. The composite loaded with 2 and 5% gentamicin sulphate exhibited complete antimicrobial killing of Staphylococcus aureus in an ex vivo mouse femur fixation plate infection model. Moreover, a fixation plate of the composite loaded with 5% of gentamicin sulphate was able to prevent S. aureus infection in the bone and surrounding tissue in an in vivo mouse bone fixation plate infection model 3 days post-surgery. In conclusion, the newly developed composite material successfully prevented infection in vivo. Additionally, the ability to use fused filament fabrication 3D printing to produce patient-specific implants may provide a wider range of personalized solutions for patients.
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16
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Mohamed Haneef INH, Mohd Shaffiar N, Buys YF, Syed Shaharuddin SI, Abdul Hamid AM, Widiyati K. Recent advancement in polymer/halloysite nanotube nanocomposites for biomedical applications. J Biomed Mater Res B Appl Biomater 2022; 110:2574-2588. [PMID: 35661579 DOI: 10.1002/jbm.b.35105] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 04/26/2022] [Accepted: 05/16/2022] [Indexed: 12/12/2022]
Abstract
Halloysite nanotubes (HNTs) have recently been the subject of extensive research as a reinforcing filler. HNT is a natural nanoclay, non-toxic and biocompatible, hence, applicable in biomedical fields. This review focuses on the mechanical, thermal, and functional properties of polymer nanocomposites with HNT as a reinforcing agent from an experimental and theoretical perspective. In addition, this review also highlights the recent applications of polymer/HNT nanocomposites in the biomedical fields.
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Affiliation(s)
| | - Norhashimah Mohd Shaffiar
- Department of Manufacturing and Materials Engineering, International Islamic University Malaysia, Kuala Lumpur, Malaysia
| | - Yose Fachmi Buys
- Department of Mechanical Engineering, Faculty of Industrial Technology, Universitas Pertamina, Jakarta, Indonesia
| | | | - Abdul Malek Abdul Hamid
- Department of Manufacturing and Materials Engineering, International Islamic University Malaysia, Kuala Lumpur, Malaysia
| | - Khusnun Widiyati
- Department of Mechanical Engineering, Faculty of Industrial Technology, Universitas Pertamina, Jakarta, Indonesia
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17
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Nanofibrous materials affect the reaction of cytotoxicity assays. Sci Rep 2022; 12:9047. [PMID: 35641539 PMCID: PMC9156782 DOI: 10.1038/s41598-022-13002-w] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 05/09/2022] [Indexed: 11/23/2022] Open
Abstract
Nanofibrous materials are widely investigated as a replacement for the extracellular matrix, the 3D foundation for cells in all tissues. However, as with every medical material, nanofibers too must pass all safety evaluations like in vitro cytotoxicity assays or in vivo animal tests. Our literature research showed that differences in results of widely used cytotoxicity assays applied to evaluate nanofibrous materials are poorly understood. To better explore this issue, we prepared three nanofibrous materials with similar physical properties made of poly-L-lactic acid, polyurethane, and polycaprolactone. We tested five metabolic cytotoxicity assays (MTT, XTT, CCK-8, alamarBlue, PrestoBlue) and obtained different viability results for the same nanofibrous materials. Further, the study revealed that nanofibrous materials affect the reaction of cytotoxicity assays. Considering the results of both described experiments, it is evident that validating all available cytotoxicity assays for nanofibrous materials and possibly other highly porous materials should be carefully planned and verified using an additional analytical tool, like scanning electron microscopy or, more preferably, confocal microscopy.
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18
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Kroczek K, Turek P, Mazur D, Szczygielski J, Filip D, Brodowski R, Balawender K, Przeszłowski Ł, Lewandowski B, Orkisz S, Mazur A, Budzik G, Cebulski J, Oleksy M. Characterisation of Selected Materials in Medical Applications. Polymers (Basel) 2022; 14:1526. [PMID: 35458276 PMCID: PMC9027145 DOI: 10.3390/polym14081526] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/01/2022] [Accepted: 04/06/2022] [Indexed: 11/19/2022] Open
Abstract
Tissue engineering is an interdisciplinary field of science that has developed very intensively in recent years. The first part of this review describes materials with medical and dental applications from the following groups: metals, polymers, ceramics, and composites. Both positive and negative sides of their application are presented from the point of view of medical application and mechanical properties. A variety of techniques for the manufacture of biomedical components are presented in this review. The main focus of this work is on additive manufacturing and 3D printing, as these modern techniques have been evaluated to be the best methods for the manufacture of medical and dental devices. The second part presents devices for skull bone reconstruction. The materials from which they are made and the possibilities offered by 3D printing in this field are also described. The last part concerns dental transitional implants (scaffolds) for guided bone regeneration, focusing on polylactide-hydroxyapatite nanocomposite due to its unique properties. This section summarises the current knowledge of scaffolds, focusing on the material, mechanical and biological requirements, the effects of these devices on the human body, and their great potential for applications.
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Affiliation(s)
- Kacper Kroczek
- Doctoral School of Engineering and Technical Sciences, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
| | - Paweł Turek
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Damian Mazur
- Faculty of Electrical and Computer Engineering, Rzeszow University of Technology, 35-959 Rzeszow, Poland
| | - Jacek Szczygielski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Neurosurgery, Faculty of Medicine, Saarland University, 66123 Saarbrücken, Germany
| | - Damian Filip
- Institute of Medical Science, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Robert Brodowski
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Krzysztof Balawender
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Łukasz Przeszłowski
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Bogumił Lewandowski
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
- Department of Maxillofacial Surgery, Fryderyk Chopin Clinical Voivodeship Hospital No.1 in Rzeszow, 35-055 Rzeszow, Poland;
| | - Stanisław Orkisz
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Artur Mazur
- Faculty of Medicine, University of Rzeszow, 35-959 Rzeszow, Poland; (J.S.); (K.B.); (B.L.); (S.O.); (A.M.)
| | - Grzegorz Budzik
- Faculty of Mechanical Engineering and Aeronautics, Rzeszow University of Technology, 35-959 Rzeszow, Poland; (Ł.P.); (G.B.)
| | - Józef Cebulski
- Institute of Physics, University of Rzeszow, 35-959 Rzeszow, Poland;
| | - Mariusz Oleksy
- Faculty of Chemistry, Rzeszow University of Technology, 35-959 Rzeszow, Poland;
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19
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Supercritical processing of PCL and PCL-PEG blends to produce improved PCL-based porous scaffolds. J Supercrit Fluids 2022. [DOI: 10.1016/j.supflu.2022.105611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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20
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Doustdar F, Olad A, Ghorbani M. Development of a novel reinforced scaffold based on chitosan/cellulose nanocrystals/halloysite nanotubes for curcumin delivery. Carbohydr Polym 2022; 282:119127. [DOI: 10.1016/j.carbpol.2022.119127] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 01/03/2022] [Accepted: 01/07/2022] [Indexed: 12/20/2022]
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21
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Kim JM, Kyung H, Song YS. Analysis of poly(dioxanone) foam prepared using salt leaching method. J Appl Polym Sci 2022. [DOI: 10.1002/app.52331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jung Min Kim
- Department of Fiber Convergence Materials Engineering Dankook University Yongin‐si Gyeonggi Do Korea
| | - Haksu Kyung
- Department of Ophthalmology National Medical Center Seoul Korea
| | - Young Seok Song
- Department of Fiber Convergence Materials Engineering Dankook University Yongin‐si Gyeonggi Do Korea
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22
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Sadeghianmaryan A, Naghieh S, Yazdanpanah Z, Alizadeh Sardroud H, Sharma NK, Wilson LD, Chen X. Fabrication of chitosan/alginate/hydroxyapatite hybrid scaffolds using 3D printing and impregnating techniques for potential cartilage regeneration. Int J Biol Macromol 2022; 204:62-75. [PMID: 35124017 DOI: 10.1016/j.ijbiomac.2022.01.201] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 01/22/2022] [Accepted: 01/31/2022] [Indexed: 12/25/2022]
Abstract
Three-dimensional (3D) printed hydrogel scaffolds enhanced with ceramics have shown potential applications for cartilage regeneration, but leaving biological and mechanical properties to be desired. This paper presents our study on the development of chitosan /alginate scaffolds with nano hydroxyapatite (nHA) by combining 3D printing and impregnating techniques, forming a hybrid, yet novel, structure of scaffolds for potential cartilage regeneration. First, we incorporated nHA into chitosan scaffold printing and studied the printability by examining the difference between the printed scaffolds and their designs. Then, we impregnated alginate with nHA into the printed chitosan scaffolds to forming a hybrid structure of scaffolds; and then characterized the scaffolds mechanically and biologically, with a focus on identifying the influence of nHA and alginate for potential cartilage regeneration. The results of compression tests on the scaffolds showed that the inclusion of nHA increased the elastic moduli of scaffolds; while the live/dead assay illustrated that nHA had a great effect on improving attachment and viability of ATCD5 cells on the scaffolds. Also, our results illustrated scaffolds with nHA impregnated in alginate hydrogel enhanced the cell viability and attachment. Furthermore, antibacterial activity of hybrid scaffolds was characterized with results indicating that the chitosan scaffolds had favourable antibacterial ability, which was further enhanced with the impregnated nHA. Taken together, our study has illustrated that chitosan/HA/alginate hybrid scaffolds are promising for cartilage regeneration and the methods developed to create hybrid scaffolds based on 3D printing and impregnating techniques, which can also be extended to fabricating scaffolds for other tissue engineering applications.
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Affiliation(s)
- Ali Sadeghianmaryan
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada; Department of Chemistry, Islamic Azad University, Ardabil Branch, Ardabil, Iran.
| | - Saman Naghieh
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Zahra Yazdanpanah
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Hamed Alizadeh Sardroud
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - N K Sharma
- Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Lee D Wilson
- Department of Chemistry, 110 Science Place, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Xiongbiao Chen
- Division of Biomedical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada; Department of Mechanical Engineering, College of Engineering, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
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23
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Tüzün-Antepli B, Elçin AE, Elçin YM. Construction of micro-grooved PCL/nanohydroxyapatite membranes by non-solvent induced phase separation method and its evaluation for use as a substrate for human periodontal ligament fibroblasts. Chem Eng Sci 2022. [DOI: 10.1016/j.ces.2021.117120] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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24
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Same S, Kadkhoda J, Navidi G, Abedi F, Aghazadeh M, Milani M, Akbarzadeh A, Davaran S. The fabrication of halloysite nanotube-based multicomponent hydrogel scaffolds for bone healing. J Appl Biomater Funct Mater 2022; 20:22808000221111875. [PMID: 35906767 DOI: 10.1177/22808000221111875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Bone tissue engineering, as an alternative for common available therapeutic approaches, has been developed to focus on reconstructing of the missing tissues and restoring their functionality. In this work, three-dimensional (3D) nanocomposite scaffolds of polycaprolactone-polyethylene glycol-polycaprolactone/gelatin (PCEC/Gel) were prepared by freeze-drying method. Biocompatible nanohydroxyapatite (nHA), iron oxide nanoparticle (Fe3O4) and halloysite nanotube (HNT) powders were added to the polymer matrix aiming to combine the osteogenic activity of nHA or Fe3O4 with high mechanical strength of HNT. The scanning electron microscope (SEM) methods was utilized to characterize the nanotube morphology of HNT as well as nanoparticles of Fe3O4 and nHA. Prepared scaffolds were characterized via Fourier-transform infrared spectroscopy (FTIR), X-ray diffraction analysis (XRD), and SEM methods. In addition, the physical behavior of scaffolds was evaluated to explore the influence of HNT on the physicochemical properties of composites. Cell viability and attachment were investigated by MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide) assay and SEM on human dental pulp-derived mesenchymal stem cells (h-DPSCs) in-vitro. Cell proliferation was observed without any cytotoxicity effect on h-DPSCs for all examined scaffolds. Alizarin red (ARS) and alkaline phosphatase (ALP) staining were carried out to determine the osteoconductivity of scaffolds. The data demonstrated that all PCEC/Gel/HNT hydrogel scaffolds supported osteoblast differentiation of hDPSCs with moderate effects on cell proliferation. Moreover, PCEC/Gel/HNT/nHA with proper mechanical strength showed better biological activity compared to PCEC/Gel/HNT/Fe3O4 and PCEC/Gel/HNT scaffolds. Therefore, this study suggested that with proper fillers content, PCEC/Gel/HNT nanocomposite hydrogels alone or in a complex with nHA, Fe3O4 could be a suitable candidate for hard tissue regeneration.
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Affiliation(s)
- Saeideh Same
- Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jamileh Kadkhoda
- Drug Applied Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Golnaz Navidi
- Organosilicon Research Laboratory, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Fatemeh Abedi
- Clinical Research Development, Unit of Tabriz Valiasr Hospital, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Marziyeh Aghazadeh
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Morteza Milani
- Faculty of Advanced Medical Science, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Abolfazl Akbarzadeh
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
| | - Soodabeh Davaran
- Drug Applied Research Center, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Iran.,Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Medicinal Chemistry, Faculty of Pharmacy, Tabriz University of Medical Science, Tabriz, Iran
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Hedayati SK, Behravesh AH, Hasannia S, Kordi O, Pourghaumi M, Saed AB, Gashtasbi F. Additive manufacture of PCL/nHA scaffolds reinforced with biodegradable continuous Fibers: Mechanical Properties, in-vitro degradation Profile, and cell study. Eur Polym J 2022. [DOI: 10.1016/j.eurpolymj.2021.110876] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Mahdavi S, Amirsadeghi A, Jafari A, Niknezhad SV, Bencherif SA. Avian Egg: A Multifaceted Biomaterial for Tissue Engineering. Ind Eng Chem Res 2021; 60:17348-17364. [PMID: 35317347 PMCID: PMC8935878 DOI: 10.1021/acs.iecr.1c03085] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Most components in avian eggs, offering a natural and environmentally friendly source of raw materials, hold great potential in tissue engineering. An avian egg consists of several beneficial elements: the protective eggshell, the eggshell membrane, the egg white (albumen), and the egg yolk (vitellus). The eggshell is mostly composed of calcium carbonate and has intrinsic biological properties that stimulate bone repair. It is a suitable precursor for the synthesis of hydroxyapatite and calcium phosphate, which are particularly relevant for bone tissue engineering. The eggshell membrane is a thin protein-based layer with a fibrous structure and is constituted of several valuable biopolymers, such as collagen and hyaluronic acid, that are also found in the human extracellular matrix. As a result, the eggshell membrane has found several applications in skin tissue repair and regeneration. The egg white is a protein-rich material that is under investigation for the design of functional protein-based hydrogel scaffolds. The egg yolk, mostly composed of lipids but also diverse essential nutrients (e.g., proteins, minerals, vitamins), has potential applications in wound healing and bone tissue engineering. This review summarizes the advantages and status of each egg component in tissue engineering and regenerative medicine, but also covers their current limitations and future perspectives.
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Affiliation(s)
- Shahriar Mahdavi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Armin Amirsadeghi
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Department of Chemical Engineering, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz 71348-51154, Iran
| | - Arman Jafari
- Department of Chemical Engineering, School of Chemical and Petroleum Engineering, Shiraz University, Shiraz 71348-51154, Iran
| | - Seyyed Vahid Niknezhad
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Sidi A. Bencherif
- Department of Chemical Engineering, Northeastern University, Boston, MA 02115, United States
- Department of Bioengineering, Northeastern University, Boston, MA 02115, United States
- John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA 02128, United States
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Amin F, Rahman S, Khurshid Z, Zafar MS, Sefat F, Kumar N. Effect of Nanostructures on the Properties of Glass Ionomer Dental Restoratives/Cements: A Comprehensive Narrative Review. MATERIALS (BASEL, SWITZERLAND) 2021; 14:6260. [PMID: 34771787 PMCID: PMC8584882 DOI: 10.3390/ma14216260] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 08/14/2021] [Accepted: 10/15/2021] [Indexed: 12/16/2022]
Abstract
Overall perspective of nanotechnology and reinforcement of dental biomaterials by nanoparticles has been reported in the literature. However, the literature regarding the reinforcement of dental biomaterials after incorporating various nanostructures is sparse. The present review addresses current developments of glass ionomer cements (GICs) after incorporating various metallic, polymeric, inorganic and carbon-based nanostructures. In addition, types, applications, and implications of various nanostructures incorporated in GICs are discussed. Most of the attempts by researchers are based on the laboratory-based studies; hence, it warrants long-term clinical trials to aid the development of suitable materials for the load bearing posterior dentition. Nevertheless, a few meaningful conclusions are drawn from this substantial piece of work; they are as follows: (1) most of the nanostructures are likely to enhance the mechanical strength of GICs; (2) certain nanostructures improve the antibacterial activity of GICs against the cariogenic bacteria; (3) clinical translation of these promising outcomes are completely missing, and (4) the nanostructured modified GICs could perform better than their conventional counterparts in the load bearing posterior dentition.
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Affiliation(s)
- Faiza Amin
- Science of Dental Materials Department, Dow Dental College, Dow University of Health Sciences, Karachi 74200, Pakistan;
| | - Sehrish Rahman
- Science of Dental Materials Department, Dr. Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi 74200, Pakistan; (S.R.); (N.K.)
| | - Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Muhammad Sohail Zafar
- Department of Restorative Dentistry, College of Dentistry, Taibah University, Al Madinah, Al Munawwarah 41311, Saudi Arabia;
- Department of Dental Materials, Islamic International Dental College, Riphah International University, Islamabad 44000, Pakistan
| | - Farshid Sefat
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford BD7 1DP, UK;
| | - Naresh Kumar
- Science of Dental Materials Department, Dr. Ishrat Ul Ebad Khan Institute of Oral Health Sciences, Dow University of Health Sciences, Karachi 74200, Pakistan; (S.R.); (N.K.)
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Parisi C, Qin K, Fernandes FM. Colonization versus encapsulation in cell-laden materials design: porosity and process biocompatibility determine cellularization pathways. PHILOSOPHICAL TRANSACTIONS. SERIES A, MATHEMATICAL, PHYSICAL, AND ENGINEERING SCIENCES 2021; 379:20200344. [PMID: 34334019 DOI: 10.1098/rsta.2020.0344] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/28/2021] [Indexed: 06/13/2023]
Abstract
Seeding materials with living cells has been-and still is-one of the most promising approaches to reproduce the complexity and the functionality of living matter. The strategies to associate living cells with materials are limited to cell encapsulation and colonization, however, the requirements for these two approaches have been seldom discussed systematically. Here we propose a simple two-dimensional map based on materials' pore size and the cytocompatibility of their fabrication process to draw, for the first time, a guide to building cellularized materials. We believe this approach may serve as a straightforward guideline to design new, more relevant materials, able to seize the complexity and the function of biological materials. This article is part of the theme issue 'Bio-derived and bioinspired sustainable advanced materials for emerging technologies (part 1)'.
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Affiliation(s)
- Cleo Parisi
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
| | - Kankan Qin
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
| | - Francisco M Fernandes
- Laboratoire de Chimie de la Matière Condensée de Paris, Sorbonne Université, UMR7574, 4 Place Jussieu, 75005 Paris, France
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Juan PK, Fan FY, Lin WC, Liao PB, Huang CF, Shen YK, Ruslin M, Lee CH. Bioactivity and Bone Cell Formation with Poly-ε-Caprolactone/Bioceramic 3D Porous Scaffolds. Polymers (Basel) 2021; 13:2718. [PMID: 34451257 PMCID: PMC8401466 DOI: 10.3390/polym13162718] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 08/10/2021] [Accepted: 08/10/2021] [Indexed: 01/01/2023] Open
Abstract
This study applied poly-ε-caprolactone (PCL), a biomedical ceramic powder as an additive (nano-hydroxyapatite (nHA) or β-tricalcium diphosphate (β-TCP)), and sodium chloride (NaCl) and ammonium bicarbonate ((NH4)HCO3) as porogens; these stuffs were used as scaffold materials. An improved solvent-casting/particulate-leaching method was utilized to fabricate 3D porous scaffolds. In this study we examined the physical properties (elastic modulus, porosity, and contact angle) and degradation properties (weight loss and pH value) of the 3D porous scaffolds. Both nHA and β-TCP improved the mechanical properties (elastic modulus) of the 3D porous scaffolds. The elastic modulus (0.15~1.865 GPa) of the various composite scaffolds matched that of human cancellous bone (0.1~4.5 GPa). Osteoblast-like (MG63) cells were cultured, a microculture tetrazolium test (MTT) was conducted and alkaline phosphatase (ALP) activity of the 3D porous scaffolds was determined. Experimental results indicated that both nHA and β-TCP powder improved the hydrophilic properties of the scaffolds. The degradation rate of the scaffolds was accelerated by adding nHA or β-TCP. The MTT and ALP activity tests indicated that the scaffolds with a high ratio of nHA or β-TCP had excellent properties of in vitro biocompatibility (cell attachment and proliferation).
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Affiliation(s)
- Po-Kai Juan
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 11031, Taiwan; (P.-K.J.); (P.-B.L.)
| | - Fang-Yu Fan
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (F.-Y.F.); (W.-C.L.); (C.-F.H.)
| | - Wei-Chun Lin
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (F.-Y.F.); (W.-C.L.); (C.-F.H.)
| | - Pei-Bang Liao
- Division of Prosthodontics, Department of Dentistry, Taipei Medical University Hospital, Taipei 11031, Taiwan; (P.-K.J.); (P.-B.L.)
| | - Chiung-Fang Huang
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (F.-Y.F.); (W.-C.L.); (C.-F.H.)
- Division of Family and Operative Dentistry, Department of Dentistry, Taipei Medical University Hospital, Taipei 11031, Taiwan
| | - Yung-Kang Shen
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei 11031, Taiwan; (F.-Y.F.); (W.-C.L.); (C.-F.H.)
| | - Muhammad Ruslin
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Hasanuddin University, Makassar 90245, Indonesia;
| | - Chen-Han Lee
- Taiwan Society of Blood Biomaterials, New Taipei City 221, Taiwan;
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei 110, Taiwan
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Malysheva K, Kwaśniak K, Gnilitskyi I, Barylyak A, Zinchenko V, Fahmi A, Korchynskyi O, Bobitski Y. Functionalization of Polycaprolactone Electrospun Osteoplastic Scaffolds with Fluorapatite and Hydroxyapatite Nanoparticles: Biocompatibility Comparison of Human Versus Mouse Mesenchymal Stem Cells. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1333. [PMID: 33802003 PMCID: PMC8001513 DOI: 10.3390/ma14061333] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/02/2021] [Accepted: 03/04/2021] [Indexed: 12/11/2022]
Abstract
A capability for effective tissue reparation is a living requirement for all multicellular organisms. Bone exits as a precisely orchestrated balance of bioactivities of bone forming osteoblasts and bone resorbing osteoclasts. The main feature of osteoblasts is their capability to produce massive extracellular matrix enriched with calcium phosphate minerals. Hydroxyapatite and its composites represent the most common form of bone mineral providing mechanical strength and significant osteoinductive properties. Herein, hydroxyapatite and fluorapatite functionalized composite scaffolds based on electrospun polycaprolactone have been successfully fabricated. Physicochemical properties, biocompatibility and osteoinductivity of generated matrices have been validated. Both the hydroxyapatite and fluorapatite containing polycaprolactone composite scaffolds demonstrated good biocompatibility towards mesenchymal stem cells. Moreover, the presence of both hydroxyapatite and fluorapatite nanoparticles increased scaffolds' wettability. Furthermore, incorporation of fluorapatite nanoparticles enhanced the ability of the composite scaffolds to interact and support the mesenchymal stem cells attachment to their surfaces as compared to hydroxyapatite enriched composite scaffolds. The study of osteoinductive properties showed the capacity of fluorapatite and hydroxyapatite containing composite scaffolds to potentiate the stimulation of early stages of mesenchymal stem cells' osteoblast differentiation. Therefore, polycaprolactone based composite scaffolds functionalized with fluorapatite nanoparticles generates a promising platform for future bone tissue engineering applications.
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Affiliation(s)
- Khrystyna Malysheva
- Department of Human Immunology, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland; (K.M.); (K.K.)
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland
| | - Konrad Kwaśniak
- Department of Human Immunology, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland; (K.M.); (K.K.)
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland
| | - Iaroslav Gnilitskyi
- “NoviNano Lab” LLC, Pasternaka 5, 79015 Lviv, Ukraine;
- Department of Photonics, Lviv Polytechnic National University, S. Bandera 12, 79013 Lviv, Ukraine;
| | - Adriana Barylyak
- Department of Therapeutic Dentistry, Danylo Halytsky Lviv National Medical University, Pekarska 69b, 79010 Lviv, Ukraine;
| | - Viktor Zinchenko
- Department of Chemistry of Functional Inorganic Materials, Bogatsky Physico-Chemical Institute of the National Academy of Sciences of Ukraine, Lustdorfska doroga 86, 65080 Odessa, Ukraine;
| | - Amir Fahmi
- Faculty of Technology and Bionics, Rhine-Waal University of Applied Science, Marie-Curie 1, 47533 Kleve, Germany;
| | - Olexandr Korchynskyi
- Department of Human Immunology, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland; (K.M.); (K.K.)
- Centre for Innovative Research in Medical and Natural Sciences, Faculty of Medicine, University of Rzeszow, Warzywna 1A, 35-959 Rzeszow, Poland
- Department of Biotechnology and Radiology, S.Gzhytskyi National University of Veterinary Medicine and Biotechnologies, 79010 Lviv, Ukraine
- Department of Molecular Immunology, Palladin Institute of Biochemistry of the National Academy of Sciences of Ukraine, 01161 Kyiv, Ukraine
| | - Yaroslav Bobitski
- Department of Photonics, Lviv Polytechnic National University, S. Bandera 12, 79013 Lviv, Ukraine;
- Institute of Physics, Centrum of Microelectronics and Nanotechnology, University of Rzeszow, S. Pigonia 1, 35-959 Rzeszow, Poland
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Abdollahi Boraei SB, Nourmohammadi J, Bakhshandeh B, Dehghan MM, Gholami H, Gonzalez Z, Sanchez-Herencia AJ, Ferrari B. Capability of core-sheath polyvinyl alcohol-polycaprolactone emulsion electrospun nanofibrous scaffolds in releasing strontium ranelate for bone regeneration. Biomed Mater 2021; 16:025009. [PMID: 33434897 DOI: 10.1088/1748-605x/abdb07] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Core-sheath nanofibrous scaffolds from polyvinyl alcohol (PVA)-strontium ranelate (SrR)-Polycaprolactone (PCL) were prepared by water in oil electrospinning method. Thus, PCL (the oil phase) was used as the shell part and a mixture of PVA and SrR (the water phase) was inserted in the core. The amounts of SrR was varied from 0 to 15 wt.% Mussel-inspired dopamine-gelatin coating was done on the nanofibrous to improve their hydrophilicity and cellular attachment. The effect of the SrR content on morphology, mechanical, physicochemical, in vitro release behaviors, and biological properties as well as in vivo bone regeneration was investigated. Morphological observations revealed that continuous nanofibers with a core/shell structure were successfully obtained and the fibers diameter increased as the SrR content rose. X-ray diffraction (XRD) analysis revealed that SrR was molecularly distributed in the nanofibers and increasing the amount of the SrR decreased the crystallinity of the nanofibers. Moreover, the SrR release was regulated through the mechanism of Fickian diffusion and it was assumed as fast as possible in the samples with higher SrR content. The mesenchymal stem cell culturing showed improved cell proliferation by adding SrR and accelerating the expression of ALP, Runx2, Col I, and OCN genes. Besides, the SrR-loaded nanofibers improved bone formation of calvarial defects in a rat model as revealed by in vivo investigations.
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Affiliation(s)
- Seyyed Behnam Abdollahi Boraei
- Department of Life Science Engineering, Faculty of New Sciences and Technologies, University of Tehran, Tehran, Iran. Instituto de Cerámica y Vidrio, CSIC, c/Kelsen 5, 28049 Madrid, Spain
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Li W, Huang C, Ma T, Wang J, Liu W, Yan J, Sheng G, Zhang R, Wu H, Liu C. Low-frequency electromagnetic fields combined with tissue engineering techniques accelerate intervertebral fusion. Stem Cell Res Ther 2021; 12:143. [PMID: 33597006 PMCID: PMC7890873 DOI: 10.1186/s13287-021-02207-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Accepted: 02/02/2021] [Indexed: 12/26/2022] Open
Abstract
Background Intervertebral fusion is the most common surgery to treat lumbar degenerative disease (LDD). And the graft material used in the operation is derived from the iliac crest to promote fusion. However, autografts possess the fatal disadvantage of lack of source. Therefore, economical and practical bone substitutes are urgently needed to be developed. Sinusoidal electromagnetic fields (EMF) combined with tissue engineering techniques may be an appropriate way to promote intervertebral fusion. Methods In this research, porous scaffolds made of polycaprolactone (PCL) and nano-hydroxyapatite (nHA) were used as cell carriers. Then, the scaffolds loaded with bone marrow mesenchymal stem cells (BMSCs) were treated with sinusoidal electromagnetic field and the osteogenic capability of BMSCs was tested later. In addition, an intervertebral disc of the tail vertebra of the rat was removed to construct a spinal intervertebral fusion model with a cell-scaffold implanted. The intervertebral fusion was observed and analyzed by X-ray, micro-CT, and histological methods. Results BMSCs stimulated by EMF possess splendid osteogenic capability under an osteogenic medium (OM) in vitro. And the conditioned medium of BMSCs treated with EMF can further promote osteogenic differentiation of the primitive BMSCs. Mechanistically, EMF regulates BMSCs via BMP/Smad and mitogen-activated protein kinase (MAPK)-associated p38 signaling pathways. In vivo experiments revealed that the scaffold loaded with BMSCs stimulated by EMF accelerated intervertebral fusion successfully. Conclusion In summary, EMF accelerated intervertebral fusion by improving the osteogenic capacity of BMSCs seeded on scaffolds and might boost the paracrine function of BMSCs to promote osteogenic differentiation of the homing BMSCs at the injured site. EMF combined with tissue engineering techniques may become a new clinical treatment for LDD.
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Affiliation(s)
- Weigang Li
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Chunwei Huang
- Department of Thyroid and Breast Surgery, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Tian Ma
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Jiachen Wang
- Department of Hematology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Wenbin Liu
- Department of Orthopedics, Xiangya Hospital of Central South University, Changsha, 410008, Hunan, China
| | - Jiyuan Yan
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Gaohong Sheng
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Ruizhuo Zhang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China
| | - Hua Wu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
| | - Chaoxu Liu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, Hubei, China.
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Park S, Kim JE, Han J, Jeong S, Lim JW, Lee MC, Son H, Kim HB, Choung YH, Seonwoo H, Chung JH, Jang KJ. 3D-Printed Poly(ε-Caprolactone)/Hydroxyapatite Scaffolds Modified with Alkaline Hydrolysis Enhance Osteogenesis In Vitro. Polymers (Basel) 2021; 13:257. [PMID: 33466736 PMCID: PMC7830212 DOI: 10.3390/polym13020257] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/08/2021] [Accepted: 01/10/2021] [Indexed: 01/22/2023] Open
Abstract
The 3D-printed bioactive ceramic incorporated Poly(ε-caprolactone) (PCL) scaffolds show great promise as synthetic bone graft substitutes. However, 3D-printed scaffolds still lack adequate surface properties for cells to be attached to them. In this study, we modified the surface characteristics of 3D-printed poly(ε-caprolactone)/hydroxyapatite scaffolds using O2 plasma and sodium hydroxide. The surface property of the alkaline hydrolyzed and O2 plasma-treated PCL/HA scaffolds were evaluated using field-emission scanning microscopy (FE-SEM), Alizarin Red S (ARS) staining, and water contact angle analysis, respectively. The in vitro behavior of the scaffolds was investigated using human dental pulp-derived stem cells (hDPSCs). Cell proliferation of hDPSCs on the scaffolds was evaluated via immunocytochemistry (ICC) and water-soluble tetrazolium salt (WST-1) assay. Osteogenic differentiation of hDPSCs on the scaffolds was further investigated using ARS staining and Western blot analysis. The result of this study shows that alkaline treatment is beneficial for exposing hydroxyapatite particles embedded in the scaffolds compared to O2 plasma treatment, which promotes cell proliferation and differentiation of hDPSCs.
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Affiliation(s)
- Sangbae Park
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Jae Eun Kim
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.E.K.); (J.H.)
| | - Jinsub Han
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.E.K.); (J.H.)
- BK21 Global Smart Farm Educational Research Center, Seoul National University, Seoul 08826, Korea
| | - Seung Jeong
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Jae Woon Lim
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Myung Chul Lee
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Hyunmok Son
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Hong Bae Kim
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul 08826, Korea; (S.P.); (S.J.); (J.W.L.); (M.C.L.); (H.S.); (H.B.K.)
| | - Yun-Hoon Choung
- Department of Otolaryngology, Ajou University School of Medicine, Suwon 16499, Korea;
| | - Hoon Seonwoo
- Department of Industrial Machinery Engineering, College of Life Sciences and Natural Resources, Sunchon National University, Suncheon 57922, Korea
- Interdisciplinary Program in IT-Bio Convergence System, Sunchon National University, Suncheon 57922, Korea
| | - Jong Hoon Chung
- Department of Biosystems Engineering, Seoul National University, Seoul 08826, Korea; (J.E.K.); (J.H.)
- BK21 Global Smart Farm Educational Research Center, Seoul National University, Seoul 08826, Korea
- Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul 08826, Korea
| | - Kyoung-Je Jang
- Division of Agro-System Engineering, College of Agriculture and Life Science, Gyeongsang National University, Jinju 52828, Korea
- Institute of Agriculture & Life Science, Gyeongsang National University, Jinju 52828, Korea
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35
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Kravanja G, Primožič M, Knez Ž, Leitgeb M. Transglutaminase release and activity from novel poly(ε-caprolactone)-based composites prepared by foaming with supercritical CO2. J Supercrit Fluids 2020. [DOI: 10.1016/j.supflu.2020.105031] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Lin MC, Lin JH, Huang CY, Chen YS. Tissue engineering stent model with long fiber-reinforced thermoplastic technique. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2020; 31:107. [PMID: 33159595 DOI: 10.1007/s10856-020-06411-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/12/2020] [Indexed: 06/11/2023]
Abstract
This study aims to construct tissue engineering stents by using the long fiber-reinforced thermoplastic (LFT) technique to develop artery stents. The experimental method combines fibers, the LFT technique, and electrospinning technique. First, the biodegradable polyvinyl alcohol yarns are twisted and coated in polycaprolactone/polyethylene glycol blends through the LFT technique. Next, the weft-knitting and heat treatment are used to establish the stent structure, after which poly(ethylene oxide) (PEO) is electrospun to coat the stents. The morphology, mechanical, and biological properties of tissue engineering stents are evaluated. The test results indicated that the use of the LFT technique retains the softness of filaments, which facilitates the subsequent weft-knitting process. The coating of blends and electrospinning of PEO have a positive influence on the tissue engineering stents, as demonstrated by the tensile strength of 59.93 N and compressive strength of 6.10 N. Moreover, the in vitro degradation of stents exhibits a stabilized process. The water contact angle is 20.33°, and the cell survival rate in 24 h is over 80%. The proposed tissue engineering stents are good candidates for artery stent structure.
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Affiliation(s)
- Mei-Chen Lin
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan, ROC
| | - Jia-Horng Lin
- Fujian Key Laboratory of Novel Functional Textile Fibers and Materials, Minjiang University, Fuzhou, China
- Innovation Platform of Intelligent and Energy-Saving Textiles, School of Textiles, Tiangong University, Tianjin, China
- College of Textile and Clothing, Qingdao University, Shangdong, China
- Department of Fashion Design, Asia University, Taichung, Taiwan, ROC
- School of Chinese Medicine, China Medical University, Taichung, Taiwan, ROC
- Tianjin and Ministry of Education Key Laboratory for Advanced Textile Composite Materials, Tiangong University, Tianjin, China
- Laboratory of Fiber Application and Manufacturing, Department of Fiber and Composite Materials, Feng Chia University, Taichung, Taiwan, ROC
| | - Chih-Yang Huang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan, ROC
- Department of Biotechnology, Asia University, Taichung, Taiwan, ROC
- Holistic Education Center, Tzu Chi University of Science and Technology, Hualien, Taiwan, ROC
- Cardiovascular and Mitochondria Related Diseases Research Center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, Taiwan, ROC
| | - Yueh-Sheng Chen
- School of Chinese Medicine, China Medical University, Taichung, Taiwan, ROC.
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Villamil Jiménez JA, Le Moigne N, Bénézet JC, Sauceau M, Sescousse R, Fages J. Foaming of PLA Composites by Supercritical Fluid-Assisted Processes: A Review. Molecules 2020; 25:molecules25153408. [PMID: 32731388 PMCID: PMC7436275 DOI: 10.3390/molecules25153408] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 07/21/2020] [Accepted: 07/22/2020] [Indexed: 11/30/2022] Open
Abstract
Polylactic acid (PLA) is a well-known and commercially available biopolymer that can be produced from different sources. Its different characteristics generated a great deal of interest in various industrial fields. Besides, its use as a polymer matrix for foam production has increased in recent years. With the rise of technologies that seek to reduce the negative environmental impact of processes, chemical foaming agents are being substituted by physical agents, primarily supercritical fluids (SCFs). Currently, the mass production of low-density PLA foams with a uniform cell morphology using SCFs as blowing agents is a challenge. This is mainly due to the low melt strength of PLA and its slow crystallization kinetics. Among the different options to improve the PLA characteristics, compounding it with different types of fillers has great potential. This strategy does not only have foaming advantages, but can also improve the performances of the final composites, regardless of the implemented foaming process, i.e., batch, injection molding, and extrusion. In addition, the operating conditions and the characteristics of the fillers, such as their size, shape factor, and surface chemistry, play an important role in the final foam morphology. This article proposes a critical review on the different SCF-assisted processes and effects of operating conditions and fillers on foaming of PLA composites.
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Affiliation(s)
- Jennifer Andrea Villamil Jiménez
- Polymers Composites and Hybrids (PCH), IMT Mines Ales, 30100 Ales, France; (J.A.V.J.); (J.-C.B.)
- Centre RAPSODEE, IMT Mines Albi, CNRS, Université de Toulouse, 81013 Albi, France; (M.S.); (R.S.)
| | - Nicolas Le Moigne
- Polymers Composites and Hybrids (PCH), IMT Mines Ales, 30100 Ales, France; (J.A.V.J.); (J.-C.B.)
- Correspondence: (N.L.M.); (J.F.)
| | - Jean-Charles Bénézet
- Polymers Composites and Hybrids (PCH), IMT Mines Ales, 30100 Ales, France; (J.A.V.J.); (J.-C.B.)
| | - Martial Sauceau
- Centre RAPSODEE, IMT Mines Albi, CNRS, Université de Toulouse, 81013 Albi, France; (M.S.); (R.S.)
| | - Romain Sescousse
- Centre RAPSODEE, IMT Mines Albi, CNRS, Université de Toulouse, 81013 Albi, France; (M.S.); (R.S.)
| | - Jacques Fages
- Centre RAPSODEE, IMT Mines Albi, CNRS, Université de Toulouse, 81013 Albi, France; (M.S.); (R.S.)
- Correspondence: (N.L.M.); (J.F.)
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Das SS, Bharadwaj P, Bilal M, Barani M, Rahdar A, Taboada P, Bungau S, Kyzas GZ. Stimuli-Responsive Polymeric Nanocarriers for Drug Delivery, Imaging, and Theragnosis. Polymers (Basel) 2020; 12:E1397. [PMID: 32580366 PMCID: PMC7362228 DOI: 10.3390/polym12061397] [Citation(s) in RCA: 210] [Impact Index Per Article: 52.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/05/2020] [Accepted: 06/16/2020] [Indexed: 12/12/2022] Open
Abstract
In the past few decades, polymeric nanocarriers have been recognized as promising tools and have gained attention from researchers for their potential to efficiently deliver bioactive compounds, including drugs, proteins, genes, nucleic acids, etc., in pharmaceutical and biomedical applications. Remarkably, these polymeric nanocarriers could be further modified as stimuli-responsive systems based on the mechanism of triggered release, i.e., response to a specific stimulus, either endogenous (pH, enzymes, temperature, redox values, hypoxia, glucose levels) or exogenous (light, magnetism, ultrasound, electrical pulses) for the effective biodistribution and controlled release of drugs or genes at specific sites. Various nanoparticles (NPs) have been functionalized and used as templates for imaging systems in the form of metallic NPs, dendrimers, polymeric NPs, quantum dots, and liposomes. The use of polymeric nanocarriers for imaging and to deliver active compounds has attracted considerable interest in various cancer therapy fields. So-called smart nanopolymer systems are built to respond to certain stimuli such as temperature, pH, light intensity and wavelength, and electrical, magnetic and ultrasonic fields. Many imaging techniques have been explored including optical imaging, magnetic resonance imaging (MRI), nuclear imaging, ultrasound, photoacoustic imaging (PAI), single photon emission computed tomography (SPECT), and positron emission tomography (PET). This review reports on the most recent developments in imaging methods by analyzing examples of smart nanopolymers that can be imaged using one or more imaging techniques. Unique features, including nontoxicity, water solubility, biocompatibility, and the presence of multiple functional groups, designate polymeric nanocues as attractive nanomedicine candidates. In this context, we summarize various classes of multifunctional, polymeric, nano-sized formulations such as liposomes, micelles, nanogels, and dendrimers.
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Affiliation(s)
- Sabya Sachi Das
- Department of Pharmaceutical Sciences and Technology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215, India;
| | - Priyanshu Bharadwaj
- UFR des Sciences de Santé, Université de Bourgogne Franche-Comté, 21000 Dijon, France;
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China;
| | - Mahmood Barani
- Department of Chemistry, Shahid Bahonar University of Kerman, Kerman 76175-133, Iran;
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol 98613-35856, Iran
| | - Pablo Taboada
- Colloids and Polymers Physics Group, Condensed Matter Physics Area, Particle Physics Department 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
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, 410028 Oradea, Romania;
| | - George Z. Kyzas
- Department of Chemistry, International Hellenic University, 65404 Kavala, Greece
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Gerdes S, Mostafavi A, Ramesh S, Memic A, Rivero IV, Rao P, Tamayol A. Process-Structure-Quality Relationships of Three-Dimensional Printed Poly(Caprolactone)-Hydroxyapatite Scaffolds. Tissue Eng Part A 2020; 26:279-291. [PMID: 31964254 PMCID: PMC7366318 DOI: 10.1089/ten.tea.2019.0237] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Accepted: 01/16/2020] [Indexed: 12/18/2022] Open
Abstract
Bone defects are common and, in many cases, challenging to treat. Tissue engineering is an interdisciplinary approach with promising potential for treating bone defects. Within tissue engineering, three-dimensional (3D) printing strategies have emerged as potent tools for scaffold fabrication. However, reproducibility and quality control are critical aspects limiting the translation of 3D printed scaffolds to clinical use, which remain to be addressed. To elucidate the factors that yield to the generation of defects in bioprinting and to achieve reproducible biomaterial printing, the objective of this article is to frame a systematic approach for optimizing and validating 3D printing of poly(caprolactone) (PCL)-hydroxyapatite (HAp) composite scaffolds. We delineate the effect of PCL-to-HAp ratio, print velocity, print temperature, and extrusion pressure on the architectural and mechanical properties of the 3D printed scaffold. Furthermore, we present an in situ image-based monitoring approach to quantify key quality-related aspects of constructs, such as the ability to deposit material consistently and print elementary shapes with fewer flaws. Our results show that small defects generated during the printing process have a significant role in lowering the mechanical properties of 3D printed polymeric scaffolds. In addition, the in vitro osteoinductivity of the fabricated scaffolds is demonstrated. Impact statement Identifying quality control measures is essential in the translation of three-dimensional (3D) printed scaffolds into clinical practice. In this article, we highlighted the importance of selected printing parameters on the quality of the 3D printed scaffolds. We also demonstrated that flaws, such as voids, significantly lower the mechanical properties (compressive modulus) of 3D printed polymeric scaffolds.
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Affiliation(s)
- Sam Gerdes
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Azadeh Mostafavi
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Srikanthan Ramesh
- Department of Industrial and Systems Engineering, Rochester Institute of Technology, Rochester, New York
| | - Adnan Memic
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut
- Center of Nanotechnology, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Iris V Rivero
- Department of Industrial and Systems Engineering, Rochester Institute of Technology, Rochester, New York
| | - Prahalada Rao
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska
| | - Ali Tamayol
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, Nebraska
- Department of Biomedical Engineering, University of Connecticut, Farmington, Connecticut
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Alksne M, Kalvaityte M, Simoliunas E, Rinkunaite I, Gendviliene I, Locs J, Rutkunas V, Bukelskiene V. In vitro comparison of 3D printed polylactic acid/hydroxyapatite and polylactic acid/bioglass composite scaffolds: Insights into materials for bone regeneration. J Mech Behav Biomed Mater 2020; 104:103641. [PMID: 32174399 DOI: 10.1016/j.jmbbm.2020.103641] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 12/13/2019] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
3D printing of polylactic acid (PLA) and hydroxyapatite (HA) or bioglass (BG) bioceramics composites is the most promising technique for artificial bone construction. However, HA and BG have different chemical composition as well as different bone regeneration inducing mechanisms. Thus, it is important to compare differentiation processes induced by 3D printed PLA + HA and PLA + BG scaffolds in order to evaluate the strongest osteoconductive and osteoinductive properties possessing bioceramics. In this study, we analysed porous PLA + HA (10%) and PLA + BG (10%) composites' effect on rat's dental pulp stem cells fate in vitro. Obtained results indicated, that PLA + BG scaffolds lead to weaker cell adhesion and proliferation than PLA + HA. Nevertheless, osteoinductive and other biofriendly properties were more pronounced by PLA + BG composites. Overall, the results showed a strong advantage of bioceramic BG against HA, thus, 3D printed PLA + BG composite scaffolds could be a perspective component for patient-specific, cheaper and faster artificial bone tissue production.
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Affiliation(s)
- Milda Alksne
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio Ave. 7, LT-10257, Vilnius, Lithuania.
| | - Migle Kalvaityte
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Egidijus Simoliunas
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Ieva Rinkunaite
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio Ave. 7, LT-10257, Vilnius, Lithuania
| | - Ieva Gendviliene
- Institute of Odontology, Faculty of Medicine, Vilnius University, Zalgirio Str. 115, LT-08217, Vilnius, Lithuania
| | - Janis Locs
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Institute of General Chemical Engineering, Faculty of Materials Science and Applied Chemistry, Riga Technical University, Pulka 3, Riga, LV-1007, Latvia
| | - Vygandas Rutkunas
- Institute of Odontology, Faculty of Medicine, Vilnius University, Zalgirio Str. 115, LT-08217, Vilnius, Lithuania
| | - Virginija Bukelskiene
- Institute of Biochemistry, Life Sciences Center, Vilnius University, Sauletekio Ave. 7, LT-10257, Vilnius, Lithuania
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41
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Khan S, Kumar V, Roy P, Kundu PP. TiO 2 doped chitosan/hydroxyapatite/halloysite nanotube membranes with enhanced mechanical properties and osteoblast-like cell response for application in bone tissue engineering. RSC Adv 2019; 9:39768-39779. [PMID: 35541414 PMCID: PMC9076061 DOI: 10.1039/c9ra08366a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 11/25/2019] [Indexed: 12/30/2022] Open
Abstract
The current therapeutic strategies for healing bone defects commonly suffer from the occurrence of bacterial contamination on the graft, resulting in nonunion in the segmental bone defects and the requirement for secondary surgery to remove or sterilize the primary graft. A membrane with enhanced anti-bacterial efficacy, mechanical strength and osteoconductivity would represent an improvement in the therapeutic strategy for guided bone regeneration. The present study aims to optimize the content of halloysite nanotubes (HNTs) and TiO2 in the polymer matrix of chitosan (CTS) with a constant amount of nano-hydroxyapatite (5%) with the objective of mimicking the mechanical and biological microenvironment of the natural bone extracellular matrix with enhanced anti-bacterial efficacy. HNTs are a low-cost alternative to MWNCTs for enhancing the mechanical properties and anti-bacterial efficacy of the composite. From the first stage of the study, it was concluded that the membranes possessed enhanced mechanical properties and optimum biological properties at 7.5% (w/w) loading of HNTs in the composite. In the second stage of this investigation, we studied the effect of the addition of TiO2 nanoparticles (NPs) and TiO2 nanotubes (NTs) in small amounts to the CTS/n-HAP/HNT nanocomposite at 7.5% HNT loading, with an aim to augment the anti-bacterial efficacy and osteoconductivity of this mechanically strong membrane. The study revealed a significant enhancement in the anti-bacterial efficacy, osteoblast-like MG-63 cell proliferation and ALP expression with the addition of TiO2 NTs. The CHH-TiT membrane successfully inhibited the S. aureus and E. coli growth within 16 hours and simultaneously assisted the enhanced proliferation of osteoblast-like cells on its surface. The study supports the potential exploitation of CHH-TiT (7.5% HNT & 0.2% TiO2 NT) membranes as a template for guided bone tissue regeneration. This two-stage study aims to optimize the amount of halloysite nanotubes and TiO2 in a chitosan/nano-hydroxyapatite composite to tailor the mechanical and biological properties for application in bone tissue engineering.![]()
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Affiliation(s)
- Sarim Khan
- Department of Chemical Engineering, Indian Institute of Technology Roorkee 247667 India .,Institute for Medical Engineering and Science, Massachusetts Institute of Technology Cambridge USA
| | - Viney Kumar
- Department of Biotechnology, Indian Institute of Technology Roorkee 247667 India
| | - Partha Roy
- Department of Biotechnology, Indian Institute of Technology Roorkee 247667 India
| | - Patit Paban Kundu
- Department of Chemical Engineering, Indian Institute of Technology Roorkee 247667 India
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42
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Naumenko E, Fakhrullin R. Halloysite Nanoclay/Biopolymers Composite Materials in Tissue Engineering. Biotechnol J 2019; 14:e1900055. [PMID: 31556237 DOI: 10.1002/biot.201900055] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/23/2019] [Indexed: 12/29/2022]
Abstract
Biocompatible materials for the fabrication of tissue substitutes are crucially important in the advancement of modern medicinal biotechnology. These materials, to serve their function, should be similar in physical, chemical, biological, and structural properties to native tissues which they are aimed to mimic. The porosity of artificial scaffolds is essential for normal nutrient transmission to cells, gas diffusion, and cell attachment and proliferation. Nanoscale inorganic additives and dopants are widely used to improve the functional properties of the polymer materials for tissue engineering. Among these inorganic dopants, halloysite nanotubes are arguably the most perspective candidates because of their biocompatibility and functional properties allowing to enhance significantly the mechanical and chemical stability of tissue engineering scaffolds. Here, this vibrant field of biotechnology for regenerative medicine is overviewed.
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Affiliation(s)
- Ekaterina Naumenko
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, 420008, Republic of Tatarstan, Russian Federation
| | - Rawil Fakhrullin
- Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, 420008, Republic of Tatarstan, Russian Federation
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43
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Fabrication of macroporous carbon monoliths with controllable structure via supercritical CO2 foaming of polyacrylonitrile. J CO2 UTIL 2019. [DOI: 10.1016/j.jcou.2019.06.023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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44
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Zhang B, Sun H, Wu L, Ma L, Xing F, Kong Q, Fan Y, Zhou C, Zhang X. 3D printing of calcium phosphate bioceramic with tailored biodegradation rate for skull bone tissue reconstruction. Biodes Manuf 2019. [DOI: 10.1007/s42242-019-00046-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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45
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Abstract
Human bones have unique structures and characteristics, and replacing a natural bone in the case of bone fracture or bone diseases is a very complicated problem. The main goal of this paper was to summarize the recent research on polymer materials as bone substitutes and for bone repair. Bone treatment methods, bone substitute materials as well as their advantages and drawbacks, and manufacturing methods were reviewed. Biopolymers are the most promising materials in the field of artificial bones and using biopolymers with the shape memory effect can improve the integration of an artificial bone into the human body by better mimicking the structure and properties of natural bones, decreasing the invasiveness of surgical procedures by producing deployable implants. It has been shown that the application of the rapid prototyping technology for artificial bones allows the customization of bone substitutes for a patient and the creation of artificial bones with a complex structure.
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Affiliation(s)
- Anastasiia Kashirina
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology, PO Box 301, No. 92 West Dazhi Street, Harbin 150001, China
| | - Yongtao Yao
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, No. 2 YiKuang Street, Harbin 150080, China.
| | - Yanju Liu
- Department of Astronautical Science and Mechanics, Harbin Institute of Technology, PO Box 301, No. 92 West Dazhi Street, Harbin 150001, China
| | - Jinsong Leng
- National Key Laboratory of Science and Technology on Advanced Composites in Special Environments, Harbin Institute of Technology, No. 2 YiKuang Street, Harbin 150080, China.
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46
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Huang K, Ou Q, Xie Y, Chen X, Fang Y, Huang C, Wang Y, Gu Z, Wu J. Halloysite Nanotube Based Scaffold for Enhanced Bone Regeneration. ACS Biomater Sci Eng 2019; 5:4037-4047. [DOI: 10.1021/acsbiomaterials.9b00277] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- Keqing Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, 132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China
| | - Qianmin Ou
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Yunyi Xie
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Xuewen Chen
- Agriculture and Forestry Yan Jiaxian Innovative Class, Fujian Agriculture and Forestry University, Fuzhou, 350002, P.R. China
| | - Yifei Fang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, 132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China
| | - Chunlin Huang
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, 132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China
| | - Yan Wang
- Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-Sen University and Guangdong Provincial Key Laboratory of Stomatology, Guangzhou 510055, P. R. China
| | - Zhipeng Gu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, 132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China
- Research Institute of Sun Yat-Sen University in Shenzhen, Shenzhen, 518057, P.R. China
| | - Jun Wu
- Key Laboratory of Sensing Technology and Biomedical Instrument of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, 132 East Waihuan Road, Guangzhou Higher Education Mega Center, Guangzhou, Guangdong 510006, P. R. China
- Research Institute of Sun Yat-Sen University in Shenzhen, Shenzhen, 518057, P.R. China
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47
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Siddiqui N, Asawa S, Birru B, Baadhe R, Rao S. PCL-Based Composite Scaffold Matrices for Tissue Engineering Applications. Mol Biotechnol 2019; 60:506-532. [PMID: 29761314 DOI: 10.1007/s12033-018-0084-5] [Citation(s) in RCA: 207] [Impact Index Per Article: 41.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Abstract
Biomaterial-based scaffolds are important cues in tissue engineering (TE) applications. Recent advances in TE have led to the development of suitable scaffold architecture for various tissue defects. In this narrative review on polycaprolactone (PCL), we have discussed in detail about the synthesis of PCL, various properties and most recent advances of using PCL and PCL blended with either natural or synthetic polymers and ceramic materials for TE applications. Further, various forms of PCL scaffolds such as porous, films and fibrous have been discussed along with the stem cells and their sources employed in various tissue repair strategies. Overall, the present review affords an insight into the properties and applications of PCL in various tissue engineering applications.
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Affiliation(s)
- Nadeem Siddiqui
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Simran Asawa
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Bhaskar Birru
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Ramaraju Baadhe
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India
| | - Sreenivasa Rao
- Stem Cell Research Laboratory, Department of Biotechnology, NIT Warangal, Warangal, Telangana, 506004, India.
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48
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Ambekar RS, Kandasubramanian B. Progress in the Advancement of Porous Biopolymer Scaffold: Tissue Engineering Application. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b05334] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Rushikesh S. Ambekar
- Rapid Prototype & Electrospinning Lab, Department of Metallurgical and Materials Engineering, DIAT (DU), Ministry of Defence, Girinagar, Pune 411025, India
| | - Balasubramanian Kandasubramanian
- Rapid Prototype & Electrospinning Lab, Department of Metallurgical and Materials Engineering, DIAT (DU), Ministry of Defence, Girinagar, Pune 411025, India
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Ratcliffe JL, Walker M, Eissa AM, Du S, Przyborski SA, Laslett AL, Cameron NR. Optimized peptide functionalization of thiol‐acrylate emulsion‐templated porous polymers leads to expansion of human pluripotent stem cells in 3D culture. ACTA ACUST UNITED AC 2019. [DOI: 10.1002/pola.29353] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jessie L. Ratcliffe
- Department of Materials Science and EngineeringMonash University 22 Alliance Lane, Clayton Victoria 3800 Australia
- CSIRO Manufacturing Clayton Victoria 3168 Australia
| | - Marc Walker
- School of EngineeringUniversity of Warwick Coventry CV4 7AL United Kingdom
| | - Ahmed M. Eissa
- School of EngineeringUniversity of Warwick Coventry CV4 7AL United Kingdom
| | - Shengrong Du
- Department of Materials Science and EngineeringMonash University 22 Alliance Lane, Clayton Victoria 3800 Australia
- CSIRO Manufacturing Clayton Victoria 3168 Australia
| | - Stefan A. Przyborski
- Department of BiosciencesDurham University South Road, Durham DH1 3LE United Kingdom
| | - Andrew L. Laslett
- CSIRO Manufacturing Clayton Victoria 3168 Australia
- Australian Regenerative Medicine Institute, Monash University Clayton Victoria 3800 Australia
| | - Neil R. Cameron
- Department of Materials Science and EngineeringMonash University 22 Alliance Lane, Clayton Victoria 3800 Australia
- School of EngineeringUniversity of Warwick Coventry CV4 7AL United Kingdom
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Mi HY, Jing X, Liu Y, Li L, Li H, Peng XF, Zhou H. Highly Durable Superhydrophobic Polymer Foams Fabricated by Extrusion and Supercritical CO 2 Foaming for Selective Oil Absorption. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7479-7487. [PMID: 30672685 DOI: 10.1021/acsami.8b21858] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
The severe water contamination caused by oil leakage is calling for low-cost and high-performance absorbent materials for selective oil removal. In this study, a scalable green method was proposed to produce polypropylene (PP)/poly(tetrafluoroethylene) (PTFE) composite foams via conventional processing techniques including twin-screw extrusion and supercritical carbon dioxide foaming. To produce the superhydrophobic foam, micro- and nanosized PTFE particles were melt blended with PP and subsequently foamed. Ascribed to the nanofibrillation of microsized PTFE during processing, the fabricated foam exhibited a special highly porous structure with PTFE nanofibrils and nanoparticles uniformly distributed on the pore surfaces within the PP matrix, which resulted in a remarkably high water contact angle of 156.8° and a low contact angle hysteresis of 1.9°. Unlike traditional surface-modified superhydrophobic absorbers, the foams prepared are entirely superhydrophobic, which means that they remain superhydrophobic when being fractured or cut. Moreover, they are highly durable and maintained the superhydrophobicity when subjected to ultrasonication and mechanical sanding. When used in selective oil absorption, the durable foams exhibited excellent absorption efficiency and high stability in repetitive and long-term use. These advantages make the PP/PTFE foam a promising superabsorbent material for water remediation.
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Affiliation(s)
- Hao-Yang Mi
- School of Packaging and Materials Engineering , Hunan University of Technology , Zhuzhou 412007 , China
- Faculty of Construction and Environment , Hong Kong Polytechnic University , Kowloon 518000 , Hong Kong , China
| | - Xin Jing
- School of Packaging and Materials Engineering , Hunan University of Technology , Zhuzhou 412007 , China
| | - Yuejun Liu
- School of Packaging and Materials Engineering , Hunan University of Technology , Zhuzhou 412007 , China
| | - Lengwan Li
- Department of Industrial Equipment and Control Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Heng Li
- Faculty of Construction and Environment , Hong Kong Polytechnic University , Kowloon 518000 , Hong Kong , China
| | - Xiang-Fang Peng
- Department of Industrial Equipment and Control Engineering , South China University of Technology , Guangzhou 510640 , China
| | - Huamin Zhou
- State Key Laboratory of Materials Processing and Die & Mould Technology , Huazhong University of Science and Technology , Wuhan 430000 , China
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