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Badini S, Regondi S, Lammi C, Bollati C, Donvito G, Pugliese R. Computational Mechanics of Form-Fitting 3D-Printed Lattice-Based Wrist-Hand Orthosis for Motor Neuron Disease. Biomedicines 2023; 11:1787. [PMID: 37509427 PMCID: PMC10376028 DOI: 10.3390/biomedicines11071787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2023] [Revised: 06/14/2023] [Accepted: 06/20/2023] [Indexed: 07/30/2023] Open
Abstract
Motor neuron disease (MND) patients often experience hand-wrist muscle atrophy resulting in severe social consequences and hampering their daily activities. Although hand-wrist orthosis is commonly used to assist weakened muscles, its effectiveness is limited due to the rapid progression of the disease and the need for customization to suit individual patient requirements. To address these challenges, this study investigates the application of three-dimensional (3D) printing technology to design and fabricate two lattice structures inspired by silkworm cocoons, using poly-ε-caprolactone as feedstock material. Finite element method (FEM) analysis is employed to study the mechanical behavior, enabling control over the geometric configuration incorporated into the hand-wrist orthosis. Through tensile displacement and three-point bending simulations, the stress distribution is examined for both lattice geometries. Geometry-1 demonstrates anisotropic behavior, while geometry-2 exhibits no strict directional dependence due to its symmetry and uniform node positioning. Moreover, the biocompatibility of lattices with human skin fibroblasts is investigated, confirming excellent biocompatibility. Lastly, the study involves semi-structured interviews with MND patients to gather feedback and develop prototypes of form-fitting 3D-printed lattice-based hand-wrist orthosis. By utilizing 3D printing technology, this study aims to provide customized orthosis that can effectively support weakened muscles and reposition the hand for individuals with MND.
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Affiliation(s)
- Silvia Badini
- Nemolab, ASST GOM Niguarda Cà Granda Hospital, 20162 Milan, Italy
| | - Stefano Regondi
- Nemolab, ASST GOM Niguarda Cà Granda Hospital, 20162 Milan, Italy
- NEuroMuscular Omnicenter (NEMO), 20162 Milan, Italy
| | - Carmen Lammi
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Carlotta Bollati
- Department of Pharmaceutical Sciences, University of Milan, 20133 Milan, Italy
| | - Giordana Donvito
- Nemolab, ASST GOM Niguarda Cà Granda Hospital, 20162 Milan, Italy
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2
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Song L, Yu J, Fang K, Shi F, Wan W, Hao L, Zhao Z, Chen W, Xia Y. A novel organometallic magnesium complexes with aggregation induced emission properties: synthesis, characterization, and fluorescent fibres applications. Chemphyschem 2022; 23:e202100888. [PMID: 35174606 DOI: 10.1002/cphc.202100888] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 02/07/2022] [Indexed: 11/10/2022]
Abstract
In this work, a novel organomagnesium complex with outstanding aggregation induced emission (AIE) properties was synthesized using dibenzoylmethane (DBM) as the ligand. The structure of the complex was confirmed to be one magnesium ion coordinated to the diones groups of two DBM molecules, and the magnesium ion adopted a distorted octahedrally geometry. The obvious emission was found for Mg(DBM) 2 powder and not in the solution, which was the first reported organomagnesium complex with AIE property. The properties of complexes were investigated by UV-vis absorption and fluorescence emission spectroscopy, cyclic voltammetry and density functional theory calculations. Moreover, the Mg(DBM) 2 solution dispersed in fifilter paper was nearly colorless, which could be made into a convenient anti-counterfeiting and encryption tool. Mg(DBM) 2 /alginate fibres were prepared by wet-spinning process and further processed into paper, which could be used in the fields of sensor, anti-counterfeiting and encryption. Sweat contains a wealth of chemical information that could potentially indicate the body's deeper biomolecular state. The prepared fluorescent fibres were used to detect sweat due to its non-toxic, low-cost efficient and fast response to analytes.
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Affiliation(s)
- Li Song
- Qingdao University, College Textiles & Clothing, 917053, CHINA
| | - Junke Yu
- Qingdao University, College Textiles & Clothing, CHINA
| | - Kuanjun Fang
- Qingdao University, College Textiles & Clothing, CHINA
| | - Furui Shi
- Qingdao University, College Textiles & Clothing, CHINA
| | - Wenming Wan
- Qingdao University, College Textiles & Clothing, CHINA
| | - Longyun Hao
- Qingdao University, College Textiles Clothing, CHINA
| | - Zhihui Zhao
- Qingdao University, College & Textiles Clothing, CHINA
| | - Weichao Chen
- Qingdao University, College Textiles & Clothing, 308, Ningxia Road, 266000, Qingdao, CHINA
| | - Yanzhi Xia
- Qingdao University, College Textiles & Clothing, CHINA
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3
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Kirillova A, Yeazel TR, Asheghali D, Petersen SR, Dort S, Gall K, Becker ML. Fabrication of Biomedical Scaffolds Using Biodegradable Polymers. Chem Rev 2021; 121:11238-11304. [PMID: 33856196 DOI: 10.1021/acs.chemrev.0c01200] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Degradable polymers are used widely in tissue engineering and regenerative medicine. Maturing capabilities in additive manufacturing coupled with advances in orthogonal chemical functionalization methodologies have enabled a rapid evolution of defect-specific form factors and strategies for designing and creating bioactive scaffolds. However, these defect-specific scaffolds, especially when utilizing degradable polymers as the base material, present processing challenges that are distinct and unique from other classes of materials. The goal of this review is to provide a guide for the fabrication of biodegradable polymer-based scaffolds that includes the complete pathway starting from selecting materials, choosing the correct fabrication method, and considering the requirements for tissue specific applications of the scaffold.
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Affiliation(s)
- Alina Kirillova
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Taylor R Yeazel
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Darya Asheghali
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Shannon R Petersen
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Sophia Dort
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Ken Gall
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States
| | - Matthew L Becker
- Thomas Lord Department of Mechanical Engineering and Materials Science, Duke University, Durham, North Carolina 27708, United States.,Department of Chemistry, Duke University, Durham, North Carolina 27708, United States.,Departments of Biomedical Engineering and Orthopaedic Surgery, Duke University, Durham, North Carolina 27708, United States
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4
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Polak-Kraśna K, Mazgajczyk E, Heikkilä P, Georgiadis A. Parametric Finite Element Model and Mechanical Characterisation of Electrospun Materials for Biomedical Applications. MATERIALS 2021; 14:ma14020278. [PMID: 33430450 PMCID: PMC7826732 DOI: 10.3390/ma14020278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/23/2020] [Accepted: 12/28/2020] [Indexed: 01/23/2023]
Abstract
Electrospun materials, due to their unique properties, have found many applications in the biomedical field. Exploiting their porous nanofibrous structure, they are often used as scaffolds in tissue engineering which closely resemble a native cellular environment. The structural and mechanical properties of the substrates need to be carefully optimised to mimic cues used by the extracellular matrix to guide cells’ behaviour and improve existing scaffolds. Optimisation of these parameters is enabled by using the finite element model of electrospun structures proposed in this study. First, a fully parametric three-dimensional microscopic model of electrospun material with a random fibrous network was developed. Experimental results were obtained by testing electrospun poly(ethylene) oxide materials. Parameters of single fibres were determined by atomic force microscopy nanoindentations and used as input data for the model. The validation was performed by comparing model output data with tensile test results obtained for electrospun mats. We performed extensive analysis of model parameters correlations to understand the crucial factors and enable extrapolation of a simplified model. We found good agreement between the simulation and the experimental data. The proposed model is a potent tool in the optimisation of electrospun structures and scaffolds for enhanced regenerative therapies.
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Affiliation(s)
- Katarzyna Polak-Kraśna
- Biomechanics Research Centre, National University of Ireland, H91 TK33 Galway, Ireland
- Institute of Product and Process Innovation, Leuphana University Lüneburg, 21339 Lower Saxony, Germany
| | - Emilia Mazgajczyk
- Faculty of Mechanical Engineering, Centre of Advanced Manufacturing Technologies-Fraunhofer Project Center (CAMT-FPC), Wroclaw University of Science and Technology, 50-370 Wrocław, Poland
| | - Pirjo Heikkilä
- VTT Technical Research Centre of Finland Ltd., FI-02044 VTT Tampere, Finland
| | - Anthimos Georgiadis
- Institute of Product and Process Innovation, Leuphana University Lüneburg, 21339 Lower Saxony, Germany
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5
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He Y, Du E, Zhou X, Zhou J, He Y, Ye Y, Wang J, Tang B, Wang X. Wet-spinning of fluorescent fibers based on gold nanoclusters-loaded alginate for sensing of heavy metal ions and anti-counterfeiting. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 230:118031. [PMID: 31931357 DOI: 10.1016/j.saa.2020.118031] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 12/20/2019] [Accepted: 01/03/2020] [Indexed: 05/08/2023]
Abstract
Fluorescent and robust fibers based on gold nanoclusters-loaded alginate were successfully prepared by wet spinning of gold nanoclusters and alginate. The relationship between process conditions, mechanical properties, and fluorescent properties of fibers was investigated. The as-prepared fibers exhibited high mechanical strength (up to 7.09 cN/dtex) and remarkable red emission under ultraviolet excitation. The fibers could be used as a simple, low-cost, and high-selectivity fluorescent sensor for detecting Cu2+ and Hg2+ among various metal ions in aqueous solution, with a detection limit as low as 187.99 nM for Cu2+ and 82.14 nM for Hg2+, respectively. Furthermore, the novel fluorescent fibers were used as an anti-counterfeiting label through knitting into textile materials. The wet-spun functional fibers may be applied to the design of smart wearable sensors and flexible optical sensors.
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Affiliation(s)
- Ying He
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China
| | - Enhui Du
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China
| | - Xu Zhou
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China
| | - Ji Zhou
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China.
| | - Yu He
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China
| | - Yong Ye
- Hubei University, Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Wuhan 430062, China.
| | - Jinfeng Wang
- Deakin University, Institute for Frontier Materials, Geelong, Victoria 3216, Australia; Wuhan Textile University, National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan 430073, China
| | - Bin Tang
- Deakin University, Institute for Frontier Materials, Geelong, Victoria 3216, Australia; Wuhan Textile University, National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan 430073, China.
| | - Xungai Wang
- Deakin University, Institute for Frontier Materials, Geelong, Victoria 3216, Australia; Wuhan Textile University, National Engineering Laboratory for Advanced Yarn and Fabric Formation and Clean Production, Wuhan 430073, China
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Esentürk İ, Balkan T, Güngör S, Saraç S, Erdal MS. Preparation and characterization of naftifine-loaded poly(vinyl alcohol)/sodium alginate electrospun nanofibers. BRAZ J PHARM SCI 2020. [DOI: 10.1590/s2175-97902019000318440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- İmren Esentürk
- Istanbul University, Turkey; University of Health Sciences Turkey, Turkey
| | - Timuçin Balkan
- Istanbul Technical University, Turkey; Istanbul Technical University, Turkey; Koc University, Turkey
| | | | - Sezai Saraç
- Istanbul Technical University, Turkey; Istanbul Technical University, Turkey
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Al-Jbour ND, Beg MD, Gimbun J, Alam AKMM. An Overview of Chitosan Nanofibers and their Applications in the Drug Delivery Process. Curr Drug Deliv 2019; 16:272-294. [PMID: 30674256 DOI: 10.2174/1567201816666190123121425] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2018] [Revised: 12/15/2018] [Accepted: 01/17/2019] [Indexed: 01/28/2023]
Abstract
Chitosan is a polycationic natural polymer which is abundant in nature. Chitosan has gained much attention as natural polymer in the biomedical field. The up to date drug delivery as well as the nanotechnology in controlled release of drugs from chitosan nanofibers are focused in this review. Electrospinning is one of the most established and widely used techniques for preparing nanofibers. This method is versatile and efficient for the production of continuous nanofibers. The chitosan-based nanofibers are emerging materials in the arena of biomaterials. Recent studies revealed that various drugs such as antibiotics, chemotherapeutic agents, proteins and anti-inflammatory analgesic drugs were successfully loaded onto electrospun nanofibers. Chitosan nanofibers have several outstanding properties for different significant pharmaceutical applications such as wound dressing, tissue engineering, enzyme immobilization, and drug delivery systems. This review highlights different issues of chitosan nanofibers in drug delivery applications, starting from the preparation of chitosan nanofibers, followed by giving an idea about the biocompatibility and degradation of chitosan nanofibers, then describing how to load the drug into the nanofibers. Finally, the major applications of chitosan nanofibers in drug delivery systems.
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Affiliation(s)
- Nawzat D Al-Jbour
- Center of Excellence for Advanced Research in Fluid Flow (CARIFF), Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Gambang 26300, Kuantan, Malaysia
| | - Mohammad D Beg
- Center of Excellence for Advanced Research in Fluid Flow (CARIFF), Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Gambang 26300, Kuantan, Malaysia
| | - Jolius Gimbun
- Center of Excellence for Advanced Research in Fluid Flow (CARIFF), Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Gambang 26300, Kuantan, Malaysia
| | - A K M Moshiul Alam
- Center of Excellence for Advanced Research in Fluid Flow (CARIFF), Faculty of Chemical and Natural Resources Engineering, Universiti Malaysia Pahang, Gambang 26300, Kuantan, Malaysia.,Institute of Radiation and Polymer Technology, Bangladesh Atomic Energy Commission, Dhaka, Bangladesh
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8
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Hou J, Chen L, Liu Z, Li J, Yang J, Zhong A, Zhou M, Sun Y, Guo L, Yang Y, Sun J, Wang Z. Sustained release of N-acetylcysteine by sandwich structured polycaprolactone/collagen scaffolds for wound healing. J Biomed Mater Res A 2019; 107:1414-1424. [PMID: 30737888 DOI: 10.1002/jbm.a.36656] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/17/2019] [Accepted: 02/04/2019] [Indexed: 12/24/2022]
Abstract
PCL (poly-caprolactone) nanofibers have good biocompatibility and high porosity, which are usually utilized for application in wound dressings. However, wound healing could be hindered by the overproduction of reactive oxygen species (ROS) and different factors. Pure nanofibers cannot satisfy these requirements of wound healing. N-acetylcysteine (NAC), as an antioxidant, meets the requirements for wound healing by resisting the overproduction of ROS and by promoting angiogenesis and maturation of the epidermis. In this study, we prepared a sandwich structured PCL-Col/NAC scaffold using the molding method, which consisted of PCL nanofibers at the core and NAC-loaded collagen on both sides. The hydroscopicity and tensile modulus of PCL-Col/NAC scaffolds showed best performance of these properties among groups. Meanwhile, the drug release profiles of PCL-Col/NAC scaffolds were investigated using the HPLC method and the results suggested a sustained drug release of NAC for PCL-Col/NAC scaffolds. In addition, PCL-Col/NAC scaffolds presented better properties than the control groups in cell migration and proliferation. The in vivo wound healing therapy effect was studied using an oval (2 × 1 cm) full-thickness skin defect wound model for SD rats. After 21 days, gross view and histological analysis showed a favorable beneficial therapeutic effect as well as better epidermal maturation compared with the control groups. CD31 immunohistology results revealed relatively more new vessels in the PCL-Col/NAC group than the control groups. This study developed novel PCL-Col/NAC scaffolds with an excellent hydroscopicity, tensile modulus and the ability to promote epidermal maturation and angiogenesis, demonstrating its promising potential in wound healing treatment. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part A, 2019.
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Affiliation(s)
- Jinfei Hou
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Lifeng Chen
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhirong Liu
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jialun Li
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jie Yang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Aimei Zhong
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Muran Zhou
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yang Sun
- Department of Medical Records Management and Statistics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Liang Guo
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yanqing Yang
- Department of Plastic Surgery, Tongren Hospital of Wuhan University (Wuhan Third Hospital), Wuhan, 430060, China
| | - Jiaming Sun
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zhenxing Wang
- Department of Plastic Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
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Krucińska I, Żywicka B, Komisarczyk A, Szymonowicz M, Kowalska S, Zaczyńska E, Struszczyk M, Czarny A, Jadczyk P, Umińska-Wasiluk B, Rybak Z, Kowalczuk M. Biological Properties of Low-Toxicity PLGA and PLGA/PHB Fibrous Nanocomposite Implants for Osseous Tissue Regeneration. Part I: Evaluation of Potential Biotoxicity. Molecules 2017; 22:molecules22122092. [PMID: 29186078 PMCID: PMC6149750 DOI: 10.3390/molecules22122092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/17/2017] [Accepted: 11/27/2017] [Indexed: 01/11/2023] Open
Abstract
In response to the demand for new implant materials characterized by high biocompatibility and bioresorption, two prototypes of fibrous nanocomposite implants for osseous tissue regeneration made of a newly developed blend of poly(l-lactide-co-glycolide) (PLGA) and syntheticpoly([R,S]-3-hydroxybutyrate), PLGA/PHB, have been developed and fabricated. Afibre-forming copolymer of glycolide and l-lactide (PLGA) was obtained by a unique method of synthesis carried out in blocksusing Zr(AcAc)4 as an initiator. The prototypes of the implants are composed of three layers of PLGA or PLGA/PHB, nonwoven fabrics with a pore structure designed to provide the best conditions for the cell proliferation. The bioactivity of the proposed implants has been imparted by introducing a hydroxyapatite material and IGF1, a growth factor. The developed prototypes of implants have been subjected to a set of in vitro and in vivobiocompatibility tests: in vitro cytotoxic effect, in vitro genotoxicity and systemic toxicity. Rabbitsshowed no signs of negative reactionafter implantation of the experimental implant prototypes.
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Affiliation(s)
- Izabella Krucińska
- Department of Material and Commodity Sciences and Textile Metrology, Technical University of Lodz, Zeromskiego 116, 90-924 Lodz, Poland.
| | - Bogusława Żywicka
- Department of Experimental Surgery and Biomaterials Research, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland.
| | - Agnieszka Komisarczyk
- Department of Material and Commodity Sciences and Textile Metrology, Technical University of Lodz, Zeromskiego 116, 90-924 Lodz, Poland.
| | - Maria Szymonowicz
- Department of Experimental Surgery and Biomaterials Research, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland.
| | - Stanisława Kowalska
- Department of Material and Commodity Sciences and Textile Metrology, Technical University of Lodz, Zeromskiego 116, 90-924 Lodz, Poland.
| | - Ewa Zaczyńska
- Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, RudollfaWeigla 12, 53-114 Wroclaw, Poland.
| | - Marcin Struszczyk
- Department of Material and Commodity Sciences and Textile Metrology, Technical University of Lodz, Zeromskiego 116, 90-924 Lodz, Poland.
| | - Anna Czarny
- Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, RudollfaWeigla 12, 53-114 Wroclaw, Poland.
| | - Piotr Jadczyk
- Department of Sanitary Biology and Ecotechnics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Barbara Umińska-Wasiluk
- Department of Sanitary Biology and Ecotechnics, Wroclaw University of Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland.
| | - Zbigniew Rybak
- Department of Experimental Surgery and Biomaterials Research, Wroclaw Medical University, Pasteura 1, 50-367 Wroclaw, Poland.
| | - Marek Kowalczuk
- Centre of Polymer and Carbon Materials of the Polish Academy of Sciences, MariiSkłodowskiej-Curie 34, 41-819 Zabrze, Poland.
- Faculty of Science and Engineering, University of Wolverhampton, Wulfruna Street, WV1 1SB Wolverhampton, UK.
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10
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Biodegradable intramedullary nails reinforced with carbon and alginate fibers: In vitro and in vivo biocompatibility. J Appl Biomater Funct Mater 2017. [PMID: 28623633 DOI: 10.5301/jabfm.5000370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Commonly, intramedullary nails are made of nondegradable materials, and hence they need to be removed once the bone fracture is healed. We propose a novel composite material consisting of poly-L-lactide matrix modified with carbon and alginate fibers to be used for biodegradable intramedullary fixation. The aim of this study was to make in vitro and in vivo biocompatibility assessments. METHODS In the in vitro conditions, biocompatibility of biomaterials was compared using normal human osteoblasts. After 3 and 7 days, cytotoxicity, viability and proliferation tests were performed, as well as cell morphology and adhesion observations. In the in vivo experiments, Californian rabbits (approx. 9 months old) were used. The composite nails and controls (Kirschner wires) were used for fixation of distal femoral osteotomy. The evaluation was made on the basis of clinical observations, radiographs taken after 2, 4, 6 and 8 weeks post implantation, and macroscopic and histological observations. RESULTS Cell tests indicated that both modifiers had a positive influence on cell viability. Biodegradable composite nails led to bony union when used for fixation of distal diaphysis osteotomy in rabbits. Histological analysis showed that the initial focal necrosis should be fully compensated for by the osteoblast proliferation and trabeculae formation. CONCLUSIONS Both in vitro and in vivo tests confirmed biocompatibility and potential applicability of novel biodegradable intramedullary nails modified with long carbon and alginate fibers for osteosynthesis of bone epiphysis.
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Domalik-Pyzik P, Morawska-Chochół A, Chłopek J, Rajzer I, Wrona A, Menaszek E, Ambroziak M. Polylactide/polycaprolactone asymmetric membranes for guided bone regeneration. E-POLYMERS 2016. [DOI: 10.1515/epoly-2016-0138] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
AbstractThe aim of this work was to develop bioresorbable, asymmetric membranes for guided bone regeneration (GBR). Two resorbable polymers – polylactide (PLA) and polycaprolactone (PCL) were used in fabrication process. Two different manufacturing methods were applied: electrospinning in the case of PLA and freeze-drying of PCL. Mechanical properties, stability in a water environment and biocompatibility of fabricated membranes were evaluated. Microstructure [scanning electron microscopy (SEM)] of the membranes was assessed in terms of level of porosity, as well as size and shape of the pores. Study showed that combination of electrospinning and freeze-drying methods allows biocompatible PLA/PCL bi-phasic materials of appropriate mechanical properties and diverse microstructure to be produced, that should on the one hand prevent soft tissue growth, and on the other hand be a suitable scaffold for the growth of bone cells.
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Affiliation(s)
- Patrycja Domalik-Pyzik
- 1Department of Biomaterials, AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Anna Morawska-Chochół
- 2Department of Biomaterials, AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. Mickiewicza 30, 30-059 Krakow, Poland, Tel.: +48126173759
| | - Jan Chłopek
- 1Department of Biomaterials, AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Izabella Rajzer
- 3Department of Mechanical Engineering Fundamentals, ATH University of Bielsko-Biala, Faculty of Mechanical Engineering and Computer Science, ul. Willowa 2, 43-309 Bielsko-Biala, Poland
| | - Agata Wrona
- 1Department of Biomaterials, AGH University of Science and Technology, Faculty of Materials Science and Ceramics, Al. Mickiewicza 30, 30-059 Krakow, Poland
| | - Elżbieta Menaszek
- 4Department of Cytobiology, UJ Jagiellonian University, Collegium Medicum, Faculty of Pharmacy, ul. Medyczna 9, 30-688 Krakow, Poland
| | - Maciej Ambroziak
- 5Medical University of Warsaw, Chair and Clinic of Orthopaedics and Traumatology, ul. Lindleya 4, Warsaw, Poland
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Noreen A, Zia KM, Zuber M, Ali M, Mujahid M. A critical review of algal biomass: A versatile platform of bio-based polyesters from renewable resources. Int J Biol Macromol 2016; 86:937-49. [DOI: 10.1016/j.ijbiomac.2016.01.067] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2015] [Revised: 01/09/2016] [Accepted: 01/19/2016] [Indexed: 10/22/2022]
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Muzzarelli RAA, El Mehtedi M, Mattioli-Belmonte M. Emerging biomedical applications of nano-chitins and nano-chitosans obtained via advanced eco-friendly technologies from marine resources. Mar Drugs 2014; 12:5468-502. [PMID: 25415349 PMCID: PMC4245541 DOI: 10.3390/md12115468] [Citation(s) in RCA: 113] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2014] [Revised: 11/02/2014] [Accepted: 11/03/2014] [Indexed: 12/31/2022] Open
Abstract
The present review article is intended to direct attention to the technological advances made in the 2010-2014 quinquennium for the isolation and manufacture of nanofibrillar chitin and chitosan. Otherwise called nanocrystals or whiskers, n-chitin and n-chitosan are obtained either by mechanical chitin disassembly and fibrillation optionally assisted by sonication, or by e-spinning of solutions of polysaccharides often accompanied by poly(ethylene oxide) or poly(caprolactone). The biomedical areas where n-chitin may find applications include hemostasis and wound healing, regeneration of tissues such as joints and bones, cell culture, antimicrobial agents, and dermal protection. The biomedical applications of n-chitosan include epithelial tissue regeneration, bone and dental tissue regeneration, as well as protection against bacteria, fungi and viruses. It has been found that the nano size enhances the performances of chitins and chitosans in all cases considered, with no exceptions. Biotechnological approaches will boost the applications of the said safe, eco-friendly and benign nanomaterials not only in these fields, but also for biosensors and in targeted drug delivery areas.
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Affiliation(s)
- Riccardo A A Muzzarelli
- Faculty of Medicine, Department of Clinical & Molecular Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
| | - Mohamad El Mehtedi
- Faculty of Engineering, Department of Industrial Engineering & Mathematical Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
| | - Monica Mattioli-Belmonte
- Faculty of Medicine, Department of Clinical & Molecular Sciences, Polytechnic University of Marche, IT-60100 Ancona, Italy.
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Pabjańczyk-Wlazło E, Szparaga G, Król P, Skrzetuska E, Wojtasik K, Sieradzka M, Boguń M, Rabiej S. Sodium Alginate Fibers Containing Nanosilver. ADVANCES IN POLYMER TECHNOLOGY 2014. [DOI: 10.1002/adv.21450] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ewelina Pabjańczyk-Wlazło
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Grzegorz Szparaga
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Paulina Król
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Ewa Skrzetuska
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Krystian Wojtasik
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Magdalena Sieradzka
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Maciej Boguń
- Department of Material and Commodity Sciences and Textile Metrology; Lodz University of Technology; Zeromskiego Street 116 90-924 Lodz Poland
| | - Stanisław Rabiej
- Department of Physics and Structural Research; University of Bielsko-Biala; Plac Fabryczny Street 5 543-309 Bielsko-Biala Poland
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Victor SP, Muthu J. Bioactive, mechanically favorable, and biodegradable copolymer nanocomposites for orthopedic applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 39:150-60. [DOI: 10.1016/j.msec.2014.02.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2013] [Revised: 02/11/2014] [Accepted: 02/17/2014] [Indexed: 11/24/2022]
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