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Chinnasami H, Dey MK, Devireddy R. Three-Dimensional Scaffolds for Bone Tissue Engineering. Bioengineering (Basel) 2023; 10:759. [PMID: 37508786 PMCID: PMC10376773 DOI: 10.3390/bioengineering10070759] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/21/2023] [Accepted: 06/21/2023] [Indexed: 07/30/2023] Open
Abstract
Immobilization using external or internal splints is a standard and effective procedure to treat minor skeletal fractures. In the case of major skeletal defects caused by extreme trauma, infectious diseases or tumors, the surgical implantation of a bone graft from external sources is required for a complete cure. Practical disadvantages, such as the risk of immune rejection and infection at the implant site, are high in xenografts and allografts. Currently, an autograft from the iliac crest of a patient is considered the "gold standard" method for treating large-scale skeletal defects. However, this method is not an ideal solution due to its limited availability and significant reports of morbidity in the harvest site (30%) as well as the implanted site (5-35%). Tissue-engineered bone grafts aim to create a mechanically strong, biologically viable and degradable bone graft by combining a three-dimensional porous scaffold with osteoblast or progenitor cells. The materials used for such tissue-engineered bone grafts can be broadly divided into ceramic materials (calcium phosphates) and biocompatible/bioactive synthetic polymers. This review summarizes the types of materials used to make scaffolds for cryo-preservable tissue-engineered bone grafts as well as the distinct methods adopted to create the scaffolds, including traditional scaffold fabrication methods (solvent-casting, gas-foaming, electrospinning, thermally induced phase separation) and more recent fabrication methods (fused deposition molding, stereolithography, selective laser sintering, Inkjet 3D printing, laser-assisted bioprinting and 3D bioprinting). This is followed by a short summation of the current osteochondrogenic models along with the required scaffold mechanical properties for in vivo applications. We then present a few results of the effects of freezing and thawing on the structural and mechanical integrity of PLLA scaffolds prepared by the thermally induced phase separation method and conclude this review article by summarizing the current regulatory requirements for tissue-engineered products.
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Affiliation(s)
- Harish Chinnasami
- Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Mohan Kumar Dey
- Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Ram Devireddy
- Department of Mechanical Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
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2
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Snyder Y, Jana S. Anisotropicity and flexibility in trilayered microfibrous substrates promote heart valve leaflet tissue engineering. Biomed Mater 2022; 17:10.1088/1748-605X/ac94ae. [PMID: 36150373 PMCID: PMC9629372 DOI: 10.1088/1748-605x/ac94ae] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 09/23/2022] [Indexed: 11/12/2022]
Abstract
Heart valve leaflet substrates with native trilayer and anisotropic structures are crucial for successful heart valve tissue engineering. In this study, we used the electrospinning technique to produce trilayer microfibrous leaflet substrates using two biocompatible and biodegradable polymers-poly (L-lactic acid) (PLLA) and polycaprolactone (PCL), separately. Different polymer concentrations for each layer were applied to bring a high degree of mechanical and structural anisotropy to the substrates. PCL leaflet substrates exhibited lower unidirectional tensile properties than PLLA leaflet substrates. However, the PLLA substrates exhibited a lower flexural modulus than the PCL substrates. These substrates were seeded with porcine valvular interstitial cells (PVICs) and cultured for one month in static conditions. Both substrates exhibited cellular adhesion and proliferation, resulting in the production of tissue-engineered constructs. The PLLA tissue-engineered constructs had more cellular growth than the PCL tissue-engineered constructs. The PLLA substrates showed higher hydrophilicity, lower crystallinity, and more significant anisotropy than PCL substrates, which may have enhanced their interactions with PVICs. Analysis of gene expression showed higherα-smooth muscle actin and collagen type 1 expression in PLLA tissue-engineered constructs than in PCL tissue-engineered constructs. The differences in anisotropic and flexural properties may have accounted for the different cellular behaviors in these two individual polymer substrates.
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Affiliation(s)
- Yuriy Snyder
- Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA
| | - Soumen Jana
- Department of Bioengineering, University of Missouri, Columbia, MO 65211, USA
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3
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Tarrahi R, Khataee A, Karimi A, Yoon Y. The latest achievements in plant cellulose-based biomaterials for tissue engineering focusing on skin repair. CHEMOSPHERE 2022; 288:132529. [PMID: 34637866 DOI: 10.1016/j.chemosphere.2021.132529] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/27/2021] [Accepted: 10/08/2021] [Indexed: 06/13/2023]
Abstract
The present work reviews recent developments in plant cellulose-based biomaterial design and applications, properties, characterizations, and synthesis for skin tissue engineering and wound healing. Cellulose-based biomaterials are promising materials for their remarkable adaptability with three-dimensional polymeric structure. They are capable of mimicking tissue properties, which plays a key role in tissue engineering. Besides, concerns for environmental issues have motivated scientists to move toward eco-friendly materials and natural polymer-based materials for applications in the tissue engineering field these days. Therefore, cellulose as an appropriate substitute for common polymers based on crude coal, animal, and human-derived biomolecules is greatly considered for various applications in biomedical fields. Generally, natural biomaterials lack good mechanical properties for skin tissue engineering. But using modified cellulose-based biopolymers tackles these restrictions and prevents immunogenic responses. Moreover, tissue engineering is a quick promoting field focusing on the generation of novel biomaterials with modified characteristics to improve scaffold function through physical, biochemical, and chemical tailoring. Also, nanocellulose with a broad range of applications, particularly in tissue engineering, advanced wound dressing, and as a material for coupling with drugs and sensorics, has been reviewed here. Moreover, the potential cytotoxicity and immunogenicity of cellulose-based biomaterials are addressed in this review.
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Affiliation(s)
- Roshanak Tarrahi
- Health Promotion Research Center, Iran University of Medical Sciences, 14496-14535, Tehran, Iran
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, 51666-16471, Tabriz, Iran; Department of Environmental Engineering, Gebze Technical University, 41400, Gebze, Turkey
| | - Afzal Karimi
- Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, 1449614535, Tehran, Iran
| | - Yeojoon Yoon
- Department of Environmental and Energy Engineering, Yonsei University, Wonju, Republic of Korea
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Li Y, Fu R, Duan Z, Zhu C, Fan D. Mussel-inspired adhesive bilayer hydrogels for bacteria-infected wound healing via NIR-enhanced nanozyme therapy. Colloids Surf B Biointerfaces 2021; 210:112230. [PMID: 34871820 DOI: 10.1016/j.colsurfb.2021.112230] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/30/2021] [Accepted: 11/15/2021] [Indexed: 01/04/2023]
Abstract
Preventing bacterial infection in situ and accelerating skin generation simultaneously are essentially important for wound healing. Herein, a mussel-inspired Ag nanozyme-based bilayer hydrogel is constructed to address the above concerns. The bilayer hydrogel is composed of a layer with large pores absorbing the wound exudate and allowing oxygen exchange and a layer with small pores keeping the wound moist and preventing bacterial invasion. Benefitting from the polydopamine (PDA) coating-reduced Ag nanoparticles (AgNPs), the hydrogel exhibits high near infrared (NIR) absorption at 808 nm to generate hyperthermia and NIR-enhanced peroxidase (POD-like) activity to produce hydroxyl radicals (•OH), which endows the hydrogel with excellent antibacterial properties when combined with the released Ag+. In addition, the hydrogel presents adhesiveness due to the catechol group on a PDA molecule. The in vivo test results demonstrate that the bilayer hydrogel can accelerate infected skin generation by facilitating collagen deposition, decreasing tumor necrosis factor-α secretion, and promoting vascular endothelial growth factor expression.
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Affiliation(s)
- Yang Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Rongzhan Fu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China.
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an 710069, Shaanxi, China; Biotech. & Biomed. Research Institute, Northwest University, Xi'an 710069, Shaanxi, China.
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Mehta P, Rasekh M, Patel M, Onaiwu E, Nazari K, Kucuk I, Wilson PB, Arshad MS, Ahmad Z, Chang MW. Recent applications of electrical, centrifugal, and pressurised emerging technologies for fibrous structure engineering in drug delivery, regenerative medicine and theranostics. Adv Drug Deliv Rev 2021; 175:113823. [PMID: 34089777 DOI: 10.1016/j.addr.2021.05.033] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/11/2021] [Accepted: 05/31/2021] [Indexed: 12/16/2022]
Abstract
Advancements in technology and material development in recent years has led to significant breakthroughs in the remit of fiber engineering. Conventional methods such as wet spinning, melt spinning, phase separation and template synthesis have been reported to develop fibrous structures for an array of applications. However, these methods have limitations with respect to processing conditions (e.g. high processing temperatures, shear stresses) and production (e.g. non-continuous fibers). The materials that can be processed using these methods are also limited, deterring their use in practical applications. Producing fibrous structures on a nanometer scale, in sync with the advancements in nanotechnology is another challenge met by these conventional methods. In this review we aim to present a brief overview of conventional methods of fiber fabrication and focus on the emerging fiber engineering techniques namely electrospinning, centrifugal spinning and pressurised gyration. This review will discuss the fundamental principles and factors governing each fabrication method and converge on the applications of the resulting spun fibers; specifically, in the drug delivery remit and in regenerative medicine.
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Affiliation(s)
- Prina Mehta
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - Manoochehr Rasekh
- College of Engineering, Design and Physical Sciences, Brunel University London, Middlesex UB8 3PH, UK
| | - Mohammed Patel
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - Ekhoerose Onaiwu
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - Kazem Nazari
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - I Kucuk
- Institute of Nanotechnology, Gebze Technical University, 41400 Gebze, Turkey
| | - Philippe B Wilson
- School of Animal, Rural and Environmental Sciences, Nottingham Trent University, Brackenhurst Campus, Southwell NG25 0QF, UK
| | | | - Zeeshan Ahmad
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - Ming-Wei Chang
- Nanotechnology and Integrated Bioengineering Centre, University of Ulster, Jordanstown Campus, Newtownabbey, Northern Ireland BT37 0QB, UK.
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Qu M, Wang C, Zhou X, Libanori A, Jiang X, Xu W, Zhu S, Chen Q, Sun W, Khademhosseini A. Multi-Dimensional Printing for Bone Tissue Engineering. Adv Healthc Mater 2021; 10:e2001986. [PMID: 33876580 PMCID: PMC8192454 DOI: 10.1002/adhm.202001986] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 03/15/2021] [Indexed: 02/05/2023]
Abstract
The development of 3D printing has significantly advanced the field of bone tissue engineering by enabling the fabrication of scaffolds that faithfully recapitulate desired mechanical properties and architectures. In addition, computer-based manufacturing relying on patient-derived medical images permits the fabrication of customized modules in a patient-specific manner. In addition to conventional 3D fabrication, progress in materials engineering has led to the development of 4D printing, allowing time-sensitive interventions such as programed therapeutics delivery and modulable mechanical features. Therapeutic interventions established via multi-dimensional engineering are expected to enhance the development of personalized treatment in various fields, including bone tissue regeneration. Here, recent studies utilizing 3D printed systems for bone tissue regeneration are summarized and advances in 4D printed systems are highlighted. Challenges and perspectives for the future development of multi-dimensional printed systems toward personalized bone regeneration are also discussed.
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Affiliation(s)
- Moyuan Qu
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Canran Wang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xingwu Zhou
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
| | - Alberto Libanori
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Xing Jiang
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- School of Nursing, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Weizhe Xu
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Songsong Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Qianming Chen
- The Affiliated Hospital of Stomatology, School of Stomatology, Zhejiang University School of Medicine and Key Laboratory of Oral Biomedical Research of Zhejiang Province, Hangzhou, Zhejiang, 310006, China
| | - Wujin Sun
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90064, United States
| | - Ali Khademhosseini
- Department of Bioengineering, California NanoSystems Institute and Center for Minimally Invasive Therapeutics (C-MIT) University of California, Los Angeles, Los Angeles, CA 90095, USA
- Department of Chemical and Biomolecular Engineering, University of California-Los Angeles, Los Angeles, CA 90095, USA
- Jonsson Comprehensive Cancer Center, Department of Radiology University of California-Los Angeles, Los Angeles, CA 90095, USA
- Terasaki Institute for Biomedical Innovation, Los Angeles, California 90064, United States
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7
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Baptista R, Pereira MFC, Maurício A, Rechena D, Infante V, Guedes M. Experimental and numerical characterization of 3D-printed scaffolds under monotonic compression with the aid of micro-CT volume reconstruction. Biodes Manuf 2021. [DOI: 10.1007/s42242-020-00122-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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8
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Yousefzade O, Katsarava R, Puiggalí J. Biomimetic Hybrid Systems for Tissue Engineering. Biomimetics (Basel) 2020; 5:biomimetics5040049. [PMID: 33050136 PMCID: PMC7709492 DOI: 10.3390/biomimetics5040049] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/17/2020] [Accepted: 10/07/2020] [Indexed: 02/06/2023] Open
Abstract
Tissue engineering approaches appear nowadays highly promising for the regeneration of injured/diseased tissues. Biomimetic scaffolds are continuously been developed to act as structural support for cell growth and proliferation as well as for the delivery of cells able to be differentiated, and also of bioactive molecules like growth factors and even signaling cues. The current research concerns materials employed to develop biological scaffolds with improved features as well as complex preparation techniques. In this work, hybrid systems based on natural polymers are discussed and the efforts focused to provide new polymers able to mimic proteins and DNA are extensively explained. Progress on the scaffold fabrication technique is mentioned, those processes based on solution and melt electrospinning or even on their combination being mainly discussed. Selection of the appropriate hybrid technology becomes vital to get optimal architecture to reasonably accomplish the final applications. Representative examples of the recent possibilities on tissue regeneration are finally given.
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Affiliation(s)
- Omid Yousefzade
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain;
| | - Ramaz Katsarava
- Institute of Chemistry and Molecular Engineering, Agricultural University of Georgia, Kakha Bedukidze Univesity Campus, Tbilisi 0131, Georgia;
| | - Jordi Puiggalí
- Departament d’Enginyeria Química, Universitat Politècnica de Catalunya, Escola d’Enginyeria de Barcelona Est-EEBE, 08019 Barcelona, Spain;
- Correspondence: ; Tel.: +34-93-401-5649
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Mao J, Wei P, Yuan Z, Jing W, Cao J, Li G, Guo J, Wang H, Chen D, Cai Q. Osteoconductive and osteoinductive biodegradable microspheres serving as injectable micro-scaffolds for bone regeneration. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2020; 32:229-247. [PMID: 32966753 DOI: 10.1080/09205063.2020.1827922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
There are intensive needs for scaffolds with new designs to meet the diverse requirements of bone repairing. Biodegradable microspheres are highlighted as injectable micro-scaffolds thanks to their advantages in filling irregular defects via a minimally invasive surgery. In this study, microspheres with surface micropores were made via the W1/O/W2 double emulsion method using amphiphilic triblock copolymers (PLLA-PEG-PLLA) composed of poly(L-lactide) (PLLA) and poly(ethylene glycol) (PEG) segments. When the PEG fraction was controlled as 10 wt.%, the microspheres demonstrated higher cell affinity than the smooth-surfaced PLLA microspheres. After being further functionalized with polydopamine coating and apatite deposition, the PLLA-PEG-PLLA microspheres could up-regulate the osteogenic differentiation of bone marrow mesenchymal stromal cells (BMSCs) significantly. Before subcutaneous implantation, bone morphogenetic protein-2 (BMP-2) was adsorbed onto the biomineralized microspheres by taking advantages of the strong affinity of apatite to BMP-2. The resulted microspheres induced ectopic osteogenesis efficiently without causing biocompatibility problems. In summary, this study provided a simple strategy to prepare functionalized microspheres with osteoconductivity and osteoinductivity, which showed great potential in promoting bone regeneration as injectable micro-scaffolds.
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Affiliation(s)
- Jianping Mao
- Department of Spine Surgery, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Pengfei Wei
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology, Beijing, P.R. China
| | - Zuoying Yuan
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology, Beijing, P.R. China
| | - Wei Jing
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology, Beijing, P.R. China
| | - Jingjing Cao
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Guangping Li
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Jianxun Guo
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Honggang Wang
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, P.R. China
| | - Qing Cai
- State Key Laboratory of Organic-Inorganic Composites; Beijing Laboratory of Biomedical Materials; Beijing University of Chemical Technology, Beijing, P.R. China
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Biocompatibility and bioactivity of an FGF-loaded microsphere-based bilayer delivery system. Acta Biomater 2020; 111:341-348. [PMID: 32428684 DOI: 10.1016/j.actbio.2020.04.048] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 04/24/2020] [Accepted: 04/26/2020] [Indexed: 12/18/2022]
Abstract
Many drug delivery systems rely on degradation or dissolution of the carrier material to regulate release. In cases where mechanical support is required during regeneration, this necessitates composite systems in which the mechanics of the implant are decoupled from the drug release profile. To address this need, we developed a system in which microspheres (MS) were sequestered in a defined location between two nanofibrous layers. This bilayer delivery system (BiLDS) enables simultaneous structural support and decoupled release profiles. To test this new system, PLGA (poly-lactide-co-glycolic acid) microspheres were prepared using a water-in-oil-in-water (w/o/w) emulsion technique and incorporated Alexa Fluor-tagged bovine serum albumin (BSA) and basic fibroblast growth factor (bFGF). These MS were secured in a defined pocket between two polycaprolactone (PCL) nanofibrous scaffolds, where the layered scaffolds provide a template for new tissue formation while enabling independent and local release from the co-delivered MS. Scanning electron microscopy (SEM) images showed that the assembled BiLDS could localize and retain MS in the central pocket that was surrounded by a continuous seal formed along the margin. Cell viability and proliferation assays showed enhanced cell activity when exposed to BiLDS containing Alexa Fluor-BSA/bFGF-loaded MS, both in vitro and in vivo. MS delivered via the BiLDS system persisted in a localized area after subcutaneous implantation for at least 4 weeks, and bFGF release increased colonization of the implant. These data establish the BiLDS technology as a sustained in vivo drug delivery platform that can localize protein and other growth factor release to a surgical site while providing a structural template for new tissue formation. STATEMENT OF SIGNIFICANCE: Localized and controlled delivery systems for the sustained release of drugs are essential. Many strategies have been developed for this purpose, but most rely on degradation (and loss of material properties) for delivery. Here, we developed a bilayer delivery system (BiLDS) that decouples the physical properties of a scaffold from its delivery kinetics. For this, biodegradable PLGA microspheres were sequestered within a central pocket of a slowly degrading nanofibrous bilayer. Using this device, we show enhanced cell activity with FGF delivery from the BiLDS both in vitro and in vivo. These data support that BiLDS can localize sustained protein and biofactor delivery to a surgical site while also serving as a mechanical scaffold for tissue repair and regeneration.
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11
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Wang C, Okubayashi S. Preparation of cellulose triacetate aerogel via non‐solvent impacted thermally induced phase separation for oil absorption. J Appl Polym Sci 2020. [DOI: 10.1002/app.49565] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Cheng Wang
- Advanced Fibro‐Science Kyoto Institute of Technology Kyoto Japan
| | - Satoko Okubayashi
- Advanced Fibro‐Science Kyoto Institute of Technology Kyoto Japan
- Research Institute for Sustainable Humanosphere Kyoto University Kyoto Japan
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12
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Zhu L, Luo D, Liu Y. Effect of the nano/microscale structure of biomaterial scaffolds on bone regeneration. Int J Oral Sci 2020; 12:6. [PMID: 32024822 PMCID: PMC7002518 DOI: 10.1038/s41368-020-0073-y] [Citation(s) in RCA: 191] [Impact Index Per Article: 47.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2019] [Revised: 12/15/2019] [Accepted: 12/18/2019] [Indexed: 01/12/2023] Open
Abstract
Natural bone is a mineralized biological material, which serves a supportive and protective framework for the body, stores minerals for metabolism, and produces blood cells nourishing the body. Normally, bone has an innate capacity to heal from damage. However, massive bone defects due to traumatic injury, tumor resection, or congenital diseases pose a great challenge to reconstructive surgery. Scaffold-based tissue engineering (TE) is a promising strategy for bone regenerative medicine, because biomaterial scaffolds show advanced mechanical properties and a good degradation profile, as well as the feasibility of controlled release of growth and differentiation factors or immobilizing them on the material surface. Additionally, the defined structure of biomaterial scaffolds, as a kind of mechanical cue, can influence cell behaviors, modulate local microenvironment and control key features at the molecular and cellular levels. Recently, nano/micro-assisted regenerative medicine becomes a promising application of TE for the reconstruction of bone defects. For this reason, it is necessary for us to have in-depth knowledge of the development of novel nano/micro-based biomaterial scaffolds. Thus, we herein review the hierarchical structure of bone, and the potential application of nano/micro technologies to guide the design of novel biomaterial structures for bone repair and regeneration.
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Affiliation(s)
- Lisha Zhu
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing, China
| | - Dan Luo
- State Key Laboratory of Heavy Oil Processing, College of New Energy and Materials, Beijing Key Laboratory of Biogas Upgrading Utilization, China University of Petroleum (Beijing), Beijing, China
| | - Yan Liu
- Laboratory of Biomimetic Nanomaterials, Department of Orthodontics, Peking University School and Hospital of Stomatology, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Key Laboratory of Digital Stomatology, Beijing, China.
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13
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McKenna E, Klein TJ, Doran MR, Futrega K. Integration of an ultra-strong poly(lactic-co-glycolic acid) (PLGA) knitted mesh into a thermally induced phase separation (TIPS) PLGA porous structure to yield a thin biphasic scaffold suitable for dermal tissue engineering. Biofabrication 2019; 12:015015. [PMID: 31476748 DOI: 10.1088/1758-5090/ab4053] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We aimed to capture the outstanding mechanical properties of meshes, manufactured using textile technologies, in thin biodegradable biphasic tissue-engineered scaffolds through encapsulation of meshes into porous structures formed from the same polymer. Our novel manufacturing process used thermally induced phase separation (TIPS), with ethylene carbonate (EC) as the solvent, to encapsulate a poly(lactic-co-glycolic acid) (PLGA) mesh into a porous PLGA network. Biphasic scaffolds (1 cm × 4 cm × 300 μm) were manufactured by immersing strips of PLGA mesh in 40 °C solutions containing 5% PLGA in EC, supercooling at 4 °C for 4 min, triggering TIPS by manually agitating the supercooled solution, and lastly eluting EC into 4 °C Milli-Q water. EC processing was rapid and did not compromise mesh tensile properties. Biphasic scaffolds exhibited a tensile strength of 40.7 ± 2.2 MPa, porosity of 94%, pore size of 16.85 ± 3.78 μm, supported HaCaT cell proliferation, and degraded in vitro linearly over the first ∼3 weeks followed by rapid degradation over the following three weeks. The successful integration of textile-type meshes yielded scaffolds with exceptional mechanical properties. This thin, porous, high-strength scaffold is potentially suitable for use in dermal wound repair or repair of tubular organs.
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Affiliation(s)
- Eamonn McKenna
- School of Chemistry, Physics and Mechanical Engineering (CPME), Science and Engineering Faculty (SEF), Institute of Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Brisbane, Australia. Doran Laboratory, School of Biomedical Sciences, Faculty of Health, Institute of Health and Biomedical Innovation (IHBI), Queensland University of Technology (QUT), Brisbane, Australia. Translational Research Institute (TRI), Brisbane, Australia
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14
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Silk fibroin-poly(lactic acid) biocomposites: Effect of protein-synthetic polymer interactions and miscibility on material properties and biological responses. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109890. [PMID: 31500018 DOI: 10.1016/j.msec.2019.109890] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 06/08/2019] [Accepted: 06/12/2019] [Indexed: 12/22/2022]
Abstract
A protein-polymer blend system based on silkworm silk fibroin (SF) and polylactic acid (PLA) was systematically investigated to understand the interaction and miscibility of proteins and synthetic biocompatible polymers in the macro- and micro-meter scales, which can dramatically control the cell responses and enzyme biodegradation on the biomaterial interface. Silk fibroin, a semicrystalline protein with beta-sheet crystals, provides controllable crystal content and biodegradability; while noncrystallizable PDLLA provides hydrophobicity and thermal stability in the system. Differential scanning calorimetry (DSC) combined with scanning electron microscope (SEM) showed that the morphology of the blend films was uniform on a macroscopic scale, yet with tunable micro-phase patterns at different mixing ratios. Fourier transform infrared analysis (FTIR) revealed that structures of the blend system, such as beta-sheet crystal content, gradually changed with the mixing ratios. All blended samples have better stability than pure SF and PLA samples as evidenced by thermogravimetric analysis. Protease XIV enzymatic study showed that the biodegradability of the blend samples varied with their blending ratios and microscale morphologies. Significantly, the topology of the micro-phase patterns on the blends can promote cell attachment and manipulate the cell growth and proliferation. This study provided a useful platform for understanding the fabrication strategies of protein-synthetic polymer composites that have direct biomedical and green chemistry applications.
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15
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Li Y, Zhu C, Fan D, Fu R, Ma P, Duan Z, Li X, Lei H, Chi L. Construction of porous sponge-like PVA-CMC-PEG hydrogels with pH-sensitivity via phase separation for wound dressing. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1581200] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Yang Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Rongzhan Fu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Pei Ma
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Xian Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Huan Lei
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
- Shaanxi R&D Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi’an, China
- Biotech. & Biomed. Research Institute, Northwest University, Xi’an, Shaanxi, China
| | - Lei Chi
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, Xi’an, China
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16
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Li Y, Zhu C, Fan D, Fu R, Ma P, Duan Z, Li X, Lei H, Chi L. A Bi-Layer PVA/CMC/PEG Hydrogel with Gradually Changing Pore Sizes for Wound Dressing. Macromol Biosci 2019; 19:e1800424. [PMID: 30840367 DOI: 10.1002/mabi.201800424] [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: 11/02/2018] [Revised: 02/24/2019] [Indexed: 12/17/2022]
Abstract
Wound dressings are vital for cutaneous wound healing. In this study, a bi-layer dressing composed of polyvinyl alcohol/carboxymethyl cellulose/polyethylene glycol (PVA/CMC/PEG) hydrogels is produced through a thawing-freezing method based on the study of the pore size of single-layer hydrogels. Then the physical properties and healing of full-thickness skin defects treated with hydrogels are inspected. The results show that the pore size of the single-layer PVA/CMC/PEG hyrogel can be controlled. The obtained non-adhesive bi-layer hydrogels show gradually increasing pore sizes from the upper to the lower layer and two layers are well bonded. In addition, bi-layer dressings with good mechanical properties can effectively prevent bacterial penetration and control the moisture loss of wounds to maintain a humid environment for wounds. A full-thickness skin defect test shows that bi-layer hydrogels can significantly accelerate wound closure. The experiment indicates that the bi-layer PVA/CMC/PEG hydrogels can be used as potential wound dressings.
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Affiliation(s)
- Yang Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Chenhui Zhu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Daidi Fan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Rongzhan Fu
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Pei Ma
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Zhiguang Duan
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Xian Li
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Huan Lei
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China.,Shaanxi Research and Development Center of Biomaterials and Fermentation Engineering, School of Chemical Engineering, Northwest University, Xi'an, 710069, China.,Biotechnology and Biomedical Research Institute, Research Institute, Northwest University, 229 North Taibai Road, Xi'an, 710069, Shaanxi, China
| | - Lei Chi
- Shaanxi Key Laboratory of Degradable Biomedical Materials, School of Chemical Engineering, Northwest University, 229 North Taibai Road, Xi'an, 710069, China
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17
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Memic A, Colombani T, Eggermont LJ, Rezaeeyazdi M, Steingold J, Rogers ZJ, Navare KJ, Mohammed HS, Bencherif SA. Latest Advances in Cryogel Technology for Biomedical Applications. ADVANCED THERAPEUTICS 2019. [DOI: 10.1002/adtp.201800114] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Adnan Memic
- Center of NanotechnologyKing Abdulaziz University Jeddah 21589 Saudi Arabia
- Center for Biomedical EngineeringDepartment of MedicineBrigham and Women's HospitalHarvard Medical School Cambridge MA 02139 USA
- Department of Chemical EngineeringNortheastern University Boston MA 02115 USA
| | - Thibault Colombani
- Department of Chemical EngineeringNortheastern University Boston MA 02115 USA
| | - Loek J. Eggermont
- Department of Chemical EngineeringNortheastern University Boston MA 02115 USA
- Department of Tumor ImmunologyOncode Institute, Radboud Institute for Molecular Life SciencesRadboud University Medical Center Nijmegen 6500 The Netherlands
| | | | - Joseph Steingold
- Department of Pharmaceutical SciencesNortheastern University Boston MA 02115 USA
| | - Zach J. Rogers
- Department of Chemical EngineeringNortheastern University Boston MA 02115 USA
| | | | | | - Sidi A. Bencherif
- Department of Chemical EngineeringNortheastern University Boston MA 02115 USA
- Department of BioengineeringNortheastern University Boston MA 02115 USA
- Harvard John A. Paulson School of Engineering and Applied SciencesHarvard University Cambridge MA 02138 USA
- Sorbonne UniversityUTC CNRS UMR 7338Biomechanics and Bioengineering (BMBI)University of Technology of Compiègne Compiègne 60159 France
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18
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Yuan C, Xu Y, Yang K, Wang Y, Wang Z, Cheng X, Su L. Isothermally crystallization behavior of poly (L-lactide) from melt under high pressure. POLYM ADVAN TECHNOL 2018. [DOI: 10.1002/pat.4425] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Chaosheng Yuan
- The High Pressure Research Center of Science and Technology; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Ying Xu
- School of Mathematics and Statistics; Zhengzhou University; Zhengzhou 450001 China
| | - Kun Yang
- The High Pressure Research Center of Science and Technology; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Yongqiang Wang
- The High Pressure Research Center of Science and Technology; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Zheng Wang
- The High Pressure Research Center of Science and Technology; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Xuerui Cheng
- The High Pressure Research Center of Science and Technology; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Lei Su
- Key Laboratory of Photochemistry; Institute of Chemistry, Chinese Academy of Sciences; Beijing 100080 China
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19
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Hsiao HY, Yang CY, Liu JW, Brey EM, Cheng MH. Periosteal Osteogenic Capacity Depends on Tissue Source. Tissue Eng Part A 2018; 24:1733-1741. [PMID: 29901423 DOI: 10.1089/ten.tea.2018.0009] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Periosteal osteogenic capacity can be exploited to enhance bone formation in the fields of tissue engineering and regenerative medicine. Despite this importance, there have been no studies examining the composition, structure, and osteogenic capacity of periostea from different bone sources. In this study, structure and osteogenic factor content were compared among periostea from rib, calvarial, femoral, and tibial bones, in which the native bones of these four regions were harvested and subjected to histological analysis. The osteogenic capacity of grafted periosteum was evaluated using an in vivo vascularized pedicle model of bone tissue engineering. Poly(ethylene glycol)-poly(l-lactic acid) (PEG-PLLA) copolymer hydrogels were seeded with bone marrow mesenchymal stem cells and implanted with grafted periosteum harvested from either calvarial or tibial bone, which were representative of thin and thick native periostea, respectively. The cambium layer thickness of periostea from the femoral and tibial bones (36.9% ± 2.5% and 36.8% ± 2.6%) was greater than that from the calvarial and rib bones (26.8% ± 2.4% and 25.5% ± 1.9%). The osteocalcin and alkaline phosphatase levels were comparatively higher in the femoral and tibial periostea than those in periostea harvested from the calvarial and rib bones. The construct implanted with grafted tibial periosteum resulted in greater neo-bone regeneration and higher osteocalcin and alkaline phosphatase expression. This study is the first investigation of the osteogenic capacity of periostea from diverse sources. The results can be used to guide clinical strategies that exploit periostea for tissue engineering and clinical applications.
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Affiliation(s)
- Hui-Yi Hsiao
- 1 Division of Reconstructive Microsurgery, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,2 Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Chin-Yu Yang
- 1 Division of Reconstructive Microsurgery, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,2 Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Jia-Wei Liu
- 1 Division of Reconstructive Microsurgery, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,2 Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan
| | - Eric M Brey
- 3 Department of Biomedical Engineering, The University of Texas at San Antonio, San Antonio, Texas.,4 Research Service, South Texas Veterans Health Care System, San Antonio, Texas
| | - Ming-Huei Cheng
- 1 Division of Reconstructive Microsurgery, Department of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Taoyuan, Taiwan.,2 Center for Tissue Engineering, Chang Gung Memorial Hospital, Taoyuan, Taiwan
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20
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Wu W, Liu X, Zhou Z, Miller AL, Lu L. Three-dimensional porous poly(propylene fumarate)-co-poly(lactic-co-glycolic acid) scaffolds for tissue engineering. J Biomed Mater Res A 2018; 106:2507-2517. [PMID: 29707898 PMCID: PMC9933994 DOI: 10.1002/jbm.a.36446] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2018] [Revised: 04/13/2018] [Accepted: 04/25/2018] [Indexed: 12/25/2022]
Abstract
Three-dimensional structural scaffolds have played an important role in tissue engineering, especially broad applications in areas such as regenerative medicine. We have developed novel biodegradable porous poly(propylene fumarate)-co-poly(lactic-co-glycolic acid) (PPF-co-PLGA) scaffolds using thermally induced phase separation, and determined the effects of critical parameters such as copolymer concentration (6, 8, and 10 wt %) and the binary solvent ratio of dioxane:water (78/22, 80/20, 82/18 wt/wt %) on the fabrication process. The cloud-point temperatures of PPF-co-PLGA changed in parallel with increasing copolymer concentration, but inversely with increasing dioxane content. The compressive moduli of the scaffolds increased with greater weight composition and dioxane:water ratio. Scaffolds formed using high copolymer concentrations and solvent ratios exhibited preferable biomineralization. All samples showed biodegradation capability in both accelerated solution and phosphate-buffered saline (PBS). Cell toxicity testing indicated that the scaffolds had good biocompatibility with bone and nerve cells, which adhered well to the scaffolds. Variations in the copolymer concentration and solvent ratio exercised a remarkable influence on morphology, mechanical properties, biomineralization, and biodegradation, but not on the cell viability and adhesion of the cross-linked scaffolds. An 8 to 10 wt % solute concentration and 80/20 to 82/18 wt/wt dioxane:water ratio were the optimum parameters for scaffold fabrication. PPF-co-PLGA scaffolds thus possess several promising prospects for tissue engineering applications. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 106A:2507-2517, 2018.
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Affiliation(s)
- Wei Wu
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, China
| | - Xifeng Liu
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA
| | - Zifei Zhou
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedic Surgery, Shanghai East Hospital, Tongji University, Shanghai, 200120, China
| | - A. Lee Miller
- Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA
| | - Lichun Lu
- Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Department of Orthopedic Surgery, Mayo Clinic College of Medicine, Rochester, Minnesota, MN, 55905, USA,Corresponding Author: Lichun Lu, Ph.D, Professor of Biomedical Engineering and Orthopedics, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905 USA, Phone: (507)-284-2267, Fax: 507-284-5075,
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Kasyapi N, Dinesh Kumar K, Bhowmick AK. Sustainable bionanocomposite from d, l-lactide/δ-valerolactone triblock and bionanowhiskers: Preparation, characterization, and properties. J Appl Polym Sci 2018. [DOI: 10.1002/app.46035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Nibedita Kasyapi
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
| | - K. Dinesh Kumar
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
| | - Anil K. Bhowmick
- Department of Materials Science and Engineering, School of Engineering and Technology; Indian Institute of Technology Patna; Patna 801103 India
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22
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Rahmani Del Bakhshayesh A, Annabi N, Khalilov R, Akbarzadeh A, Samiei M, Alizadeh E, Alizadeh-Ghodsi M, Davaran S, Montaseri A. Recent advances on biomedical applications of scaffolds in wound healing and dermal tissue engineering. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2017; 46:691-705. [PMID: 28697631 DOI: 10.1080/21691401.2017.1349778] [Citation(s) in RCA: 124] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The tissue engineering field has developed in response to the shortcomings related to the replacement of the tissues lost to disease or trauma: donor tissue rejection, chronic inflammation and donor tissue shortages. The driving force behind the tissue engineering is to avoid the mentioned issues by creating the biological substitutes capable of replacing the damaged tissue. This is done by combining the scaffolds, cells and signals in order to create the living, physiological, three-dimensional tissues. A wide variety of skin substitutes are used in the treatment of full-thickness injuries. Substitutes made from skin can harbour the latent viruses, and artificial skin grafts can heal with the extensive scarring, failing to regenerate structures such as glands, nerves and hair follicles. New and practical skin scaffold materials remain to be developed. The current article describes the important information about wound healing scaffolds. The scaffold types which were used in these fields were classified according to the accepted guideline of the biological medicine. Moreover, the present article gave the brief overview on the fundamentals of the tissue engineering, biodegradable polymer properties and their application in skin wound healing. Also, the present review discusses the type of the tissue engineered skin substitutes and modern wound dressings which promote the wound healing.
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Affiliation(s)
- Azizeh Rahmani Del Bakhshayesh
- a Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences , Tabriz University of Medical Sciences , Tabriz , Iran.,b Student Research Committee , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Nasim Annabi
- c Biomaterials Innovation Research Center, Brigham and Women's Hospital , Harvard Medical School , Cambridge , MA , USA.,d Harvard-MIT Division of Health Sciences and Technology , Massachusetts Institute of Technology , Cambridge , MA , USA.,e Department of Chemical Engineering , Northeastern University , Boston , MA , USA
| | - Rovshan Khalilov
- f Institute of Radiation Problems , National Academy of Sciences of Azerbaijan , Baku , Azerbaijan
| | - Abolfazl Akbarzadeh
- g Stem Cell Research Center , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Mohammad Samiei
- a Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences , Tabriz University of Medical Sciences , Tabriz , Iran.,h Department of Endodontics, Faculty of Dentistry , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Effat Alizadeh
- i Drug Applied Research Center , Tabriz University of Medical Sciences , Tabriz , Iran
| | | | - Soodabeh Davaran
- i Drug Applied Research Center , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Azadeh Montaseri
- j Department of Anatomical Sciences , Tabriz University of Medical Sciences , Tabriz , Iran
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23
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Li J, Wu X, Wu Y, Tang Z, Sun X, Pan M, Chen Y, Li J, Xiao R, Wang Z, Liu H. Porous chitosan microspheres for application as quick in vitro and in vivo hemostat. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 77:411-419. [PMID: 28532047 DOI: 10.1016/j.msec.2017.03.276] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 11/27/2016] [Accepted: 03/28/2017] [Indexed: 12/21/2022]
Abstract
Controlling massive hemorrhage is of great importance to lower transfusional medical cost, and to reduce death and mobility rate in battlefield and civilian accidents. We reported the fabrication of porous chitosan microspheres (CSMS) with tunable surface pore size by microemulsion combined with thermally induced phase separation technique, and its application as a quick hemostat. Their hemostatic property was characterized by blood clotting kinetics, adherence interaction between red blood cells/platelets and CSMS, in vitro and in vivo hemostasis by rat tail amputation and liver laceration models, and histological analysis. Their density, surface area, porosity, water absorption ratio were 0.04-0.06g/cm3, 28.2-31.5m2/g, 98%, and 15.5-23.2g/g, respectively. The surface pore was controlled to be smaller than 2.0μm. The porous CSMS showed increasing hemostatic efficacy with decreasing surface pore size. Compared to the conventional compact chitosan particles (CCSP), the porous CSMS had much improved in vitro and in vivo hemostatic potential with respect to formation of blood clot, hemostatic time, and blood loss. For instance, the hemostatic time and blood loss of CSMS in the rat liver laceration model were down to respectively 70s and 0.026g from 175s and 0.28g of CCSP. Histological examination showed that application of porous CSMS to liver laceration caused no destruction of underlying hepatocytes, inflammatory reaction, and thermal injury to liver tissue. The porous CSMS is a biodegradable, quick and safe hemostat, which can be used in various wounds including complex and non-compressive ones.
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Affiliation(s)
- Jixiang Li
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Xiaowei Wu
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Yanqing Wu
- College of Life Science, Fujian Normal University, Fujian 350007, China
| | - Zonghao Tang
- College of Life Science, Fujian Normal University, Fujian 350007, China
| | - Xun Sun
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Meng Pan
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Yufeng Chen
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Juanjuan Li
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China
| | - Rongdong Xiao
- Department of Cardiovascular Surgery, Provincial Clinical College, Fujian Medical University, Fujian 350001, China
| | - Zhengchao Wang
- College of Life Science, Fujian Normal University, Fujian 350007, China.
| | - Haiqing Liu
- Fujian Key Laboratory of Polymer Materials, College of Material Science and Engineering, Fujian Normal University, Fujian 350007, China.
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24
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Nie T, He M, Ge M, Xu J, Ma H. Fabrication and structural regulation of PLLA porous microspheres via phase inversion emulsion and thermally induced phase separation techniques. J Appl Polym Sci 2017. [DOI: 10.1002/app.44885] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Taotao Nie
- College of Chemistry and Environmental Science; Hebei University; Baoding 071002 China
| | - Meng He
- College of Chemistry and Environmental Science; Hebei University; Baoding 071002 China
| | - Min Ge
- College of Chemistry and Environmental Science; Hebei University; Baoding 071002 China
| | - Jianzhong Xu
- College of Chemistry and Environmental Science; Hebei University; Baoding 071002 China
| | - Haiyun Ma
- College of Chemistry and Environmental Science; Hebei University; Baoding 071002 China
- Key Laboratory of Analytical Science and Technology of Hebei Province; Baoding 071002 China
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25
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Marrella A, Cavo M, Scaglione S. Rapid Prototyping for the Engineering of Osteochondral Tissues. REGENERATIVE STRATEGIES FOR THE TREATMENT OF KNEE JOINT DISABILITIES 2017. [DOI: 10.1007/978-3-319-44785-8_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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26
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Kim Y, Son S, Chun C, Kim JT, Lee DY, Choi HJ, Kim TH, Cha EJ. Effect of PEG addition on pore morphology and biocompatibility of PLLA scaffolds prepared by freeze drying. Biomed Eng Lett 2016. [DOI: 10.1007/s13534-016-0241-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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27
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Hydrogel Delivery of Mesenchymal Stem Cell-Expressing Bone Morphogenetic Protein-2 Enhances Bone Defect Repair. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2016; 4:e838. [PMID: 27622106 PMCID: PMC5010329 DOI: 10.1097/gox.0000000000000817] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2015] [Accepted: 05/17/2016] [Indexed: 01/24/2023]
Abstract
BACKGROUND The application of bone tissue engineering for repairing bone defects has gradually shown some satisfactory progress. One of the concerns raising scientific attention is the poor supply of growth factors. A number of growth factor delivery approaches have been developed for promoting bone formation. However, there is no systematic comparison of those approaches on efficiency of neobone formation. In this study, the approaches using periosteum, direct supply of growth factors, or gene transfection of growth factors were evaluated to determine the osteogenic capacity on the repair of bone defect. METHODS In total, 42 male 21-week-old Sprague-Dawley rats weighing 250 to 400 g were used as the bone defect model to evaluate the bone repair efficiency. Various tissue engineered constructs of poly(ethylene glycol)-poly(l-lactic acid) (PEG-PLLA) copolymer hydrogel with periosteum, with external supply of bone morphogenetic protein-2 (BMP2), or with BMP2-transfected bone marrow-derived mesenchymal stem cells (BMMSCs) were filled in a 7-mm bone defect region. Animals were euthanized at 3 months, and the hydrogel constructs were harvested. The evaluation with histological staining and radiography analysis were performed for the volume of new bone formation. RESULTS The PEG-PLLA scaffold with BMMSCs promotes bone regeneration with the addition of periosteum. The group with BMP2-transfected BMMSCs demonstrated the largest volume of new bone among all the testing groups. CONCLUSIONS Altogether, the results of this study provide the evidence that the combination of PEG-PLLA hydrogels with BMMSCs and sustained delivery of BMP2 resulted in the maximal bone regeneration.
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Eğri S, Eczacıoğlu N. Sequential VEGF and BMP-2 releasing PLA-PEG-PLA scaffolds for bone tissue engineering: I. Design and in vitro tests. ARTIFICIAL CELLS NANOMEDICINE AND BIOTECHNOLOGY 2016; 45:321-329. [DOI: 10.3109/21691401.2016.1147454] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Sinan Eğri
- Department of Bioengineering, Faculty of Engineering and Natural Sciences, Gaziosmanpaşa University, Tokat, Turkey
| | - Numan Eczacıoğlu
- Department of Bioengineering, Faculty of Engineering, Karamanoğlu Mehmetbey University, Karaman, Turkey
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29
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Zhou D, Sun J, Shao J, Bian X, Huang S, Li G, Chen X. Unusual crystallization and melting behavior induced by microphase separation in MPEG-b-PLLA diblock copolymer. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.10.066] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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30
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Puglia D, Ceccolini R, Fortunati E, Armentano I, Morena F, Martino S, Aluigi A, Torre L, Kenny JM. Effect of processing techniques on the 3D microstructure of poly (l-lactic acid) scaffolds reinforced with wool keratin from different sources. J Appl Polym Sci 2015. [DOI: 10.1002/app.42890] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Debora Puglia
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Romina Ceccolini
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Elena Fortunati
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Ilaria Armentano
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Francesco Morena
- Department of Chemistry, Biology and Biotechnology; University of Perugia; Perugia 06123 Italy
| | - Sabata Martino
- Department of Chemistry, Biology and Biotechnology; University of Perugia; Perugia 06123 Italy
| | - Annalisa Aluigi
- CNR-ISOF, Institute of Organic Synthesis and Photoreactivity; Bologna 40129 Italy
| | - Luigi Torre
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
| | - Jose M Kenny
- Civil and Environmental Engineering Department; UdR INSTM, University of Perugia; Terni 05100 Italy
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31
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Tailoring crystallization behavior of poly (l-lactide) with a low molecular weight aliphatic amide. Colloid Polym Sci 2015. [DOI: 10.1007/s00396-015-3730-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Xie M, Ge J, Lei B, Zhang Q, Chen X, Ma PX. Star-Shaped, Biodegradable, and Elastomeric PLLA-PEG-POSS Hybrid Membrane With Biomineralization Activity for Guiding Bone Tissue Regeneration. Macromol Biosci 2015; 15:1656-62. [DOI: 10.1002/mabi.201500237] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Revised: 07/16/2015] [Indexed: 11/10/2022]
Affiliation(s)
- Meihua Xie
- Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an China
| | - Juan Ge
- Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an China
| | - Bo Lei
- Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an China
- State Key Laboratory for Manufacturing Systems Engineering; Xi'an Jiaotong University; Xi'an China
- National Engineering Research Center for Tissue Restoration and Reconstruction; Guangzhou; China
| | - Qian Zhang
- College of Sciences; Xi'an University of Technology; Xi'an China
| | - Xiaofeng Chen
- National Engineering Research Center for Tissue Restoration and Reconstruction; Guangzhou; China
| | - Peter X. Ma
- Frontier Institute of Science and Technology; Xi'an Jiaotong University; Xi'an China
- Department of Biologic and Materials Sciences; University of Michigan; Ann Arbor USA
- Department of Biomedical Engineering; University of Michigan; Ann Arbor USA
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33
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Ni'mah H, Woo EM. Effects of Glycine-Based Ionic Liquid on Spherulite Morphology of Poly(l-Lactide). MACROMOL CHEM PHYS 2015. [DOI: 10.1002/macp.201500046] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Hikmatun Ni'mah
- Department of Chemical Engineering; Faculty of Industrial Technology; Sepuluh Nopember Institute of Technology; Kampus ITS Sukolilo; Surabaya East Java 60111 Indonesia
| | - Eamor M. Woo
- Department of Chemical Engineering; National Cheng Kung University; Tainan 70101 Taiwan
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34
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Xing Q, Li R, Dong X, Luo F, Kuang X, Wang D, Zhang L. Enhanced Crystallization Rate of Poly(l
-lactide) Mediated by a Hydrazide Compound: Nucleating Mechanism Study. MACROMOL CHEM PHYS 2015. [DOI: 10.1002/macp.201500002] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Qian Xing
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 P.R. China
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Engineering Plastics; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Rongbo Li
- Petrochina Petrochemical Research Institute; Beijing 100195 P.R. China
| | - Xia Dong
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Engineering Plastics; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Faliang Luo
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Engineering Plastics; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Xiao Kuang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Engineering Plastics; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Dujin Wang
- Beijing National Laboratory for Molecular Sciences; CAS Key Laboratory of Engineering Plastics; Institute of Chemistry; Chinese Academy of Sciences; Beijing 100190 P.R. China
| | - Liaoyun Zhang
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 P.R. China
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Cho YS, Hong MW, Kim SY, Lee SJ, Lee JH, Kim YY, Cho YS. Fabrication of dual-pore scaffolds using SLUP (salt leaching using powder) and WNM (wire-network molding) techniques. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 45:546-55. [PMID: 25491863 DOI: 10.1016/j.msec.2014.10.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2014] [Revised: 09/03/2014] [Accepted: 10/02/2014] [Indexed: 10/24/2022]
Abstract
In this study, a novel technique was proposed to fabricate dual-pore scaffolds combining both SLUP (salt leaching using powder) and WNM (wire-network molding) techniques. This technique has several advantages: solvent-free, no limit on the use of thermoplastic polymers as a raw material, and easiness of fabricating scaffolds with dual-scale pores that are interconnected randomized small pores. To fabricate dual-pore scaffolds, PCL and NaCl powders were mixed at a certain ratio. Subsequently, needles were inserted into a designed mold, and the mixture was filled into the mold thereafter. Subsequently, after the mold was pressurized, the mold was heated to melt the PCL powders. The PCL/NaCl structure and needles were separated from the mold. The structure was sonicated to leach-out the NaCl particles and was dried. Consequently, the remaining PCL structure became the dual-pore scaffold. To compare the characteristics of dual-pore scaffolds, control scaffolds, which are 3D plotter and SLUP scaffolds were fabricated.
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Affiliation(s)
- Yong Sang Cho
- Division of Mechanical and Automotive Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Myoung Wha Hong
- Department of Orthopedic Sugery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea
| | - So-Youn Kim
- Division of Mechanical and Automotive Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Seung-Jae Lee
- Division of Mechanical and Automotive Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 570-749, Republic of Korea
| | - Jun Hee Lee
- Department of Nature-Inspired Nano Convergence System, Nano Convergence and Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156, Gajeongbuk-Ro, Yuseong-Gu, Daejeon 305-343, Republic of Korea
| | - Young Yul Kim
- Department of Orthopedic Sugery, Daejeon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul 137-701, Republic of Korea.
| | - Young-Sam Cho
- Division of Mechanical and Automotive Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 570-749, Republic of Korea.
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36
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Díaz E, Puerto I, Sandonis I. The Effects of Bioactive Nanoparticles on the Degradation of DLGA. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.886242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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37
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Chumeka W, Pasetto P, Pilard JF, Tanrattanakul V. Bio-based diblock copolymers prepared from poly(lactic acid) and natural rubber. J Appl Polym Sci 2014. [DOI: 10.1002/app.41426] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wannapa Chumeka
- Bioplastic Research Unit; Department of Materials Science and Technology; Faculty of Science; Prince of Songkla University; Songkhla 90112 Thailand
- LUNAM Université, Institut des Molécules et Matériaux du Mans, Equipe Méthodologie et Synthése des Polyméres, UMR CNRS 6283, Université du Maine; 72085 Le Mans Cedex France
| | - Pamela Pasetto
- LUNAM Université, Institut des Molécules et Matériaux du Mans, Equipe Méthodologie et Synthése des Polyméres, UMR CNRS 6283, Université du Maine; 72085 Le Mans Cedex France
| | - Jean-François Pilard
- LUNAM Université, Institut des Molécules et Matériaux du Mans, Equipe Méthodologie et Synthése des Polyméres, UMR CNRS 6283, Université du Maine; 72085 Le Mans Cedex France
| | - Varaporn Tanrattanakul
- Bioplastic Research Unit; Department of Materials Science and Technology; Faculty of Science; Prince of Songkla University; Songkhla 90112 Thailand
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Thavornyutikarn B, Chantarapanich N, Sitthiseripratip K, Thouas GA, Chen Q. Bone tissue engineering scaffolding: computer-aided scaffolding techniques. Prog Biomater 2014; 3:61-102. [PMID: 26798575 PMCID: PMC4709372 DOI: 10.1007/s40204-014-0026-7] [Citation(s) in RCA: 148] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Accepted: 06/20/2014] [Indexed: 12/15/2022] Open
Abstract
Tissue engineering is essentially a technique for imitating nature. Natural tissues consist of three components: cells, signalling systems (e.g. growth factors) and extracellular matrix (ECM). The ECM forms a scaffold for its cells. Hence, the engineered tissue construct is an artificial scaffold populated with living cells and signalling molecules. A huge effort has been invested in bone tissue engineering, in which a highly porous scaffold plays a critical role in guiding bone and vascular tissue growth and regeneration in three dimensions. In the last two decades, numerous scaffolding techniques have been developed to fabricate highly interconnective, porous scaffolds for bone tissue engineering applications. This review provides an update on the progress of foaming technology of biomaterials, with a special attention being focused on computer-aided manufacturing (Andrade et al. 2002) techniques. This article starts with a brief introduction of tissue engineering (Bone tissue engineering and scaffolds) and scaffolding materials (Biomaterials used in bone tissue engineering). After a brief reviews on conventional scaffolding techniques (Conventional scaffolding techniques), a number of CAM techniques are reviewed in great detail. For each technique, the structure and mechanical integrity of fabricated scaffolds are discussed in detail. Finally, the advantaged and disadvantage of these techniques are compared (Comparison of scaffolding techniques) and summarised (Summary).
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Affiliation(s)
| | - Nattapon Chantarapanich
- Department of Mechanical Engineering, Faculty of Engineering at Si Racha, Kasetsart University, 199 Sukhumvit Road, Si Racha, Chonburi 20230 Thailand
| | - Kriskrai Sitthiseripratip
- National Metal and Materials Technology Center (MTEC), 114 Thailand Science Park, Phahonyothin Road, Klong Luang, Pathumthani 12120 Thailand
| | - George A. Thouas
- Department of Materials Engineering, Monash University, Clayton, VIC 3800 Australia
| | - Qizhi Chen
- Department of Materials Engineering, Monash University, Clayton, VIC 3800 Australia
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39
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Mirmohammadi SA, Imani M, Uyama H, Atai M. Hybrid Organic-Inorganic Nanocomposites Based on Poly(ϵ-Caprolactone)/Polyhedral Oligomeric Silsesquioxane: Synthesis andIn VitroEvaluations. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2013.854236] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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40
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Chen Y, Yuan D, Xu C. Dynamically vulcanized biobased polylactide/natural rubber blend material with continuous cross-linked rubber phase. ACS APPLIED MATERIALS & INTERFACES 2014; 6:3811-6. [PMID: 24621374 DOI: 10.1021/am5004766] [Citation(s) in RCA: 101] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
We prepared a biobased material, dynamically vulcanized polylactide (PLA)/natural rubber (NR) blend in which the cross-linked NR phase owned a continuous network-like dispersion. This finding breaks the traditional concept of a sea-island morphology formed after dynamic vulcanization of the blends. The scan electron microscopy and dissolution/swell experiments provided the direct proof of the continuous cross-linked NR phase. This new biobased PLA/NR blend material with the novel structure is reported for the first time in the field of dynamic vulcanization and shows promise for development for various functional applications.
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Affiliation(s)
- Yukun Chen
- The Key Laboratory of Polymer Processing Engineering, Ministry of Education, and ‡College of Material Science and Engineering, South China University of Technology , Guangzhou 510640, China
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41
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Yuan C, Cheng X, Zhu X, Wang Y, Yang K, Wang Z, Su L. Crystalline structure and morphology of poly(L-lactide) formed under high pressure. J Appl Polym Sci 2014. [DOI: 10.1002/app.40637] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Chaosheng Yuan
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Xuerui Cheng
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Xiang Zhu
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Yongqiang Wang
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Kun Yang
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Zheng Wang
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
| | - Lei Su
- The High Pressure Research Center of Science and Technology Department of Physics and Electronic Engineering; Zhengzhou University of Light Industry; Zhengzhou 450002 China
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42
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Wang X, Sang L, Wei Z, Zhai L, Wang H, Song K, Qi M. Facile preparation and cytocompatibility of poly(lactic acid)/poly(3-hydroxybutyrate-co-4-hydroxybutyrate) hybrid fibrous scaffolds. POLYM ENG SCI 2014. [DOI: 10.1002/pen.23851] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Xinhui Wang
- School of Materials Science and Engineering; Dalian University of Technology; Dalian 116024 China
| | - Lin Sang
- School of Materials Science and Engineering; Dalian University of Technology; Dalian 116024 China
| | - Zhiyong Wei
- Department of Polymer Science and Materials; Dalian University of Technology; Dalian 116024 China
| | - Lijie Zhai
- First Affiliated Hospital of Dalian Medical University; Dalian 116011 China
| | - Hong Wang
- First Affiliated Hospital of Dalian Medical University; Dalian 116011 China
| | - Kedong Song
- Dalian R&D Center for Stem Cell and Tissue Engineering; State Key Laboratory of Fine Chemicals, Dalian University of Technology; Dalian 116024 China
| | - Min Qi
- School of Materials Science and Engineering; Dalian University of Technology; Dalian 116024 China
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43
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Yang J, Liang Y, Han CC. Crystallization-driven surface segregation and surface structures in poly(L-lactide)-block-poly(ethylene glycol) copolymer thick films. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2014; 30:394-401. [PMID: 24328957 DOI: 10.1021/la4041387] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
In this work, we used poly(L-lactide)-block-poly(ethylene glycol) (PLLA-b-PEG) copolymer thick films to investigate the effect of crystallization on surface segregation, surface crystal orientation, and morphology by attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), reflection optical microscopy (ROM), and two-dimensional grazing incident wide-angle X-ray scattering (2D GIWAXS) methods. ATR-FTIR results indicated that the surface fraction of PLLA block increased from 0.48 to 0.79 when T(c,PLLA) increased from 70 to 110 °C. Polarized ATR-FTIR and 2D GIWAXS results indicated that PLLA crystal lamellae preferentially oriented parallel to the film surface with increasing T(c,PLLA). The surface crystallinity of PLLA was almost independent of T(c,PLLA), while the surface crystallinity of PEG decreased with increasing T(c,PLLA). On the basis of surface crystal orientation and crystallization kinetics, we suggested that the excess of PLLA component at the surface was mainly dominated by a coupling effect of crystallization behavior and surface segregation.
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Affiliation(s)
- Jingjing Yang
- State Key Laboratory of Polymer Physics and Chemistry, Joint Laboratory of Polymer Science and Materials, The Beijing National Laboratory for Molecular Sciences, and Institute of Chemistry, Chinese Academy of Sciences , Beijing 100080, China
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Weigel T, Schinkel G, Lendlein A. Design and preparation of polymeric scaffolds for tissue engineering. Expert Rev Med Devices 2014; 3:835-51. [PMID: 17280547 DOI: 10.1586/17434440.3.6.835] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Polymeric scaffolds for tissue engineering can be prepared with a multitude of different techniques. Many diverse approaches have recently been under development. The adaptation of conventional preparation methods, such as electrospinning, induced phase separation of polymer solutions or porogen leaching, which were developed originally for other research areas, are described. In addition, the utilization of novel fabrication techniques, such as rapid prototyping or solid free-form procedures, with their many different methods to generate or to embody scaffold structures or the usage of self-assembly systems that mimic the properties of the extracellular matrix are also described. These methods are reviewed and evaluated with specific regard to their utility in the area of tissue engineering.
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Affiliation(s)
- Thomas Weigel
- Department of Polymer Technology, Institute of Polymer Research, GKSS Research Center Geesthacht, Kantstr 55, D-14513 Teltow, Germany.
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Abstract
3D printing technology has recently gained substantial interest for potential applications in tissue engineering due to the ability of making a three-dimensional object of virtually any shape from a digital model. 3D-printed biopolymers, which combine the 3D printing technology and biopolymers, have shown great potential in tissue engineering applications and are receiving significant attention, which has resulted in the development of numerous research programs regarding the material systems which are available for 3D printing. This review focuses on recent advances in the development of biopolymer materials, including natural biopolymer-based materials and synthetic biopolymer-based materials prepared using 3D printing technology, and some future challenges and applications of this technology are discussed.
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Selcan Gungor-Ozkerim P, Balkan T, Kose GT, Sezai Sarac A, Kok FN. Incorporation of growth factor loaded microspheres into polymeric electrospun nanofibers for tissue engineering applications. J Biomed Mater Res A 2013; 102:1897-908. [DOI: 10.1002/jbm.a.34857] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2013] [Revised: 05/31/2013] [Accepted: 06/25/2013] [Indexed: 11/09/2022]
Affiliation(s)
- P. Selcan Gungor-Ozkerim
- Molecular Biology-Genetics and Biotechnology Program; Istanbul Technical University; MOBGAM Istanbul 34469 Turkey
| | - Timucin Balkan
- Istanbul Technical University; Department of Chemistry & Polymer Science and Technology; Istanbul 34469 Turkey
| | - Gamze T. Kose
- Yeditepe University; Department of Genetics and Bioengineering; Istanbul 34755 Turkey
- BIOMATEN Center of Excellence in Biomaterials and Tissue Engineering; Middle East Technical University; Ankara Turkey
| | - A. Sezai Sarac
- Istanbul Technical University; Department of Chemistry & Polymer Science and Technology; Istanbul 34469 Turkey
| | - Fatma N. Kok
- Molecular Biology-Genetics and Biotechnology Program; Istanbul Technical University; MOBGAM Istanbul 34469 Turkey
- BIOMATEN Center of Excellence in Biomaterials and Tissue Engineering; Middle East Technical University; Ankara Turkey
- Istanbul Technical University; Molecular Biology and Genetics Department; Istanbul 34469 Turkey
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47
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He L, Zuo Q, Shi Y, Xue W. Microstructural characteristics and crystallization behaviors of poly(l-lactide) scaffolds by thermally induced phase separation. J Appl Polym Sci 2013. [DOI: 10.1002/app.39436] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Liumin He
- Department of Biomedical Engineering, College of Life Science and Technology; Jinan University; Guangzhou 510632 China
| | - Qinhua Zuo
- Department of Biomedical Engineering, College of Life Science and Technology; Jinan University; Guangzhou 510632 China
| | - Yunfeng Shi
- Department of Biomedical Engineering, College of Life Science and Technology; Jinan University; Guangzhou 510632 China
| | - Wei Xue
- Department of Biomedical Engineering, College of Life Science and Technology; Jinan University; Guangzhou 510632 China
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Ren L, Pandit V, Elkin J, Denman T, Cooper JA, Kotha SP. Large-scale and highly efficient synthesis of micro- and nano-fibers with controlled fiber morphology by centrifugal jet spinning for tissue regeneration. NANOSCALE 2013; 5:2337-2345. [PMID: 23392606 DOI: 10.1039/c3nr33423f] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
PLLA fibrous tissue scaffolds with controlled fiber nanoscale surface roughness are fabricated with a novel centrifugal jet spinning process. The centrifugal jet spinning technique is a highly efficient synthesis method for micron- to nano-sized fibers with a production rate up to 0.5 g min(-1). During the centrifugal jet spinning process, a polymer solution jet is stretched by the centrifugal force of a rotating chamber. By engineering the rheological properties of the polymer solution, solvent evaporation rate and centrifugal force that are applied on the solution jet, polyvinylpyrrolidone (PVP) and poly(l-lactic acid) (PLLA) composite fibers with various diameters are fabricated. Viscosity measurements of polymer solutions allowed us to determine critical polymer chain entanglement limits that allow the generation of continuous fiber as opposed to beads or beaded fibers. Above a critical concentration at which polymer chains are partially or fully entangled, lower polymer concentrations and higher centrifugal forces resulted in thinner fibers. Etching of PVP from the PLLA-PVP composite fibers doped with increasing PVP concentrations yielded PLLA fibers with increasing nano-scale surface roughness and porosity, which increased the fiber hydrophilicity dramatically. Scanning electron micrographs of the etched composite fibers suggest that PVP and PLLA were co-contiguously phase separated within the composite fibers during spinning and nano-scale roughness features were created after the partial etching of PVP. To study the tissue regeneration efficacy of the engineered PLLA fiber matrix, human dermal fibroblasts are used to simulate partial skin graft. Fibers with increased PLLA surface roughness and porosity demonstrated a trend towards higher cell attachment and proliferation.
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Affiliation(s)
- Liyun Ren
- Department of Material Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
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49
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Polylactide nanofibers loaded with vitamin B6 and polyphenols as bioactive platform for tissue engineering. Macromol Res 2013. [DOI: 10.1007/s13233-013-1090-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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50
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Huang S, Li H, Yu D, Jiang S, Chen X, An L. Crystalline structures of poly(l-lactide) formed under pressure and structure transitions with heating. CrystEngComm 2013. [DOI: 10.1039/c3ce26943d] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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