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Su H, Fujiwara T, Skalli O, Selders GS, Li T, Mao L, Bumgardner JD. Porous Nano-Fiber Structure of Modified Electrospun Chitosan GBR Membranes Improve Osteoblast Calcium Phosphate Deposition in Osteoblast-Fibroblast Co-Cultures. Mar Drugs 2024; 22:160. [PMID: 38667777 PMCID: PMC11051071 DOI: 10.3390/md22040160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 03/23/2024] [Accepted: 03/27/2024] [Indexed: 04/28/2024] Open
Abstract
Desirable characteristics of electrospun chitosan membranes (ESCM) for guided bone regeneration are their nanofiber structure that mimics the extracellular fiber matrix and porosity for the exchange of signals between bone and soft tissue compartments. However, ESCM are susceptible to swelling and loss of nanofiber and porous structure in physiological environments. A novel post-electrospinning method using di-tert-butyl dicarbonate (tBOC) prevents swelling and loss of nanofibrous structure better than sodium carbonate treatments. This study aimed to evaluate the hypothesis that retention of nanofiber morphology and high porosity of tBOC-modified ESCM (tBOC-ESCM) would support more bone mineralization in osteoblast-fibroblast co-cultures compared to Na2CO3 treated membranes (Na2CO3-ESCM) and solution-cast chitosan solid films (CM-film). The results showed that only the tBOC-ESCM retained the nanofibrous structure and had approximately 14 times more pore volume than Na2CO3-ESCM and thousands of times more pore volume than CM-films, respectively. In co-cultures, the tBOC-ESCM resulted in a significantly greater calcium-phosphate deposition by osteoblasts than either the Na2CO3-ESCM or CM-film (p < 0.05). This work supports the study hypothesis that tBOC-ESCM with nanofiber structure and high porosity promotes the exchange of signals between osteoblasts and fibroblasts, leading to improved mineralization in vitro and thus potentially improved bone healing and regeneration in guided bone regeneration applications.
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Affiliation(s)
- Hengjie Su
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
- Department of Biomedical Engineering, University of Tennessee Health Science Center-Memphis Joint Graduate Biomedical Engineering Program, The University of Memphis, Memphis, TN 38152, USA
| | - Tomoko Fujiwara
- Department of Chemistry, The University of Memphis, Memphis, TN 38152, USA;
| | - Omar Skalli
- Integrated Microscopy Center, The University of Memphis, Memphis, TN 38152, USA
| | - Gretchen Schreyack Selders
- Department of Biomedical Engineering, University of Tennessee Health Science Center-Memphis Joint Graduate Biomedical Engineering Program, The University of Memphis, Memphis, TN 38152, USA
| | - Ting Li
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
| | - Linna Mao
- Institute of Biomedical Engineering, Chinese Academy of Medical Sciences & Peking Union Medical College, Tianjin 300192, China
| | - Joel D. Bumgardner
- Department of Biomedical Engineering, University of Tennessee Health Science Center-Memphis Joint Graduate Biomedical Engineering Program, The University of Memphis, Memphis, TN 38152, USA
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A review on the applications of electrospun chitosan nanofibers for the cancer treatment. Int J Biol Macromol 2021; 183:790-810. [PMID: 33965480 DOI: 10.1016/j.ijbiomac.2021.05.009] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 04/24/2021] [Accepted: 05/01/2021] [Indexed: 01/20/2023]
Abstract
In recent years, the incidence of cancer is increasing every day due to poor quality of life (industrialization of life). Therefore, the treatment of cancer has received much attention from therapists. So far, many anticancer drugs have been used to treat cancer patents. However, the direct use of the anticancer drugs has the adverse side effects for patents and several limitations to treat process. Natural chitosan nanofibers prepared by electrospinning method have unique properties such as high surface area, high porosity, suitable mechanical properties, nontoxicity, biocompatibility, biodegradability, biorenewable, low immunogenicity, better clinical functionality, analogue to extracellular model, and easy production in large scale. Therefore, this bio-polymer is a very suitable case to deliver of the anti-cancer drugs to treat cancer patents. In this review summarizes the electrospinning synthesis of chitosan and its therapeutic application for the various cancer treatment.
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Garcia Garcia CE, Bossard F, Rinaudo M. Electrospun Biomaterials from Chitosan Blends Applied as Scaffold for Tissue Regeneration. Polymers (Basel) 2021; 13:1037. [PMID: 33810406 PMCID: PMC8036406 DOI: 10.3390/polym13071037] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/19/2021] [Accepted: 03/24/2021] [Indexed: 12/31/2022] Open
Abstract
Our objective in this work was to summarize the main results obtained in processing pure chitosan and chitosan/hyaluronan complex in view of biomedical applications, taking advantage of their original properties. In addition, an electrospinning technique was selected to prepare nanofiber mats well adapted for tissue engineering in relation to the large porosity of the materials, allowing an exchange with the environment. The optimum conditions for preparation of purified and stable nanofibers in aqueous solution and phosphate buffer pH = 7.4 are described. Their mechanical properties and degree of swelling are given. Then, the prepared biomaterials are investigated to test their advantage for chondrocyte development after comparison of nanofiber mats and uniform films. For that purpose, the adhesion of cells is studied by atomic force microscopy (AFM) using single-cell force spectroscopy, showing the good adhesion of chondrocytes on chitosan. At the end, adhesion and proliferation of chondrocytes in vitro are examined and clearly show the interest of chitosan nanofiber mats compared to chitosan film for potential application in tissue engineering.
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Affiliation(s)
- Christian Enrique Garcia Garcia
- Departamento de Ingeniería Química, Universidad de Guadalajara, Blvd. M. García Barragán #1451, Guadalajara C.P. 44430, Jalisco, Mexico
- Institute of Engineering Universite, Universite Grenoble Alpes, CNRS, LRP 38000 Grenoble, France;
| | - Frédéric Bossard
- Institute of Engineering Universite, Universite Grenoble Alpes, CNRS, LRP 38000 Grenoble, France;
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Electrospraying: A facile technology unfolding the chitosan based drug delivery and biomedical applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110326] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Garcia Garcia CE, Soltero Martínez FA, Bossard F, Rinaudo M. Production of Chitosan/Hyaluronan Complex Nanofibers. Characterization and Physical Properties as a Function of the Composition. Polymers (Basel) 2020; 12:E2004. [PMID: 32899169 PMCID: PMC7565965 DOI: 10.3390/polym12092004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 08/31/2020] [Accepted: 09/01/2020] [Indexed: 01/09/2023] Open
Abstract
In this work, optimized conditions for preparation of chitosan and hyaluronan polyelectrolyte complex are proposed. The objective was to produce new biomaterials being biocompatible and bioresorbable in the body as well as approaching the extracellular matrix (ECM) structure. These materials will be tested for chondrocyte development in tissue engineering and wound healing applications. Nanofibers made of the polyelectrolyte complex (PEC) were successfully manufactured by electrospinning, and casted films were used as a model for properties comparison. To our knowledge, it is the first time that stable chitosan/hyaluronan fibers are produced, which were observed to be long-lasting in buffer at pH~7.4. The role of thermal treatment at 120 °C for 4 h is examined to control the degree of swelling by crosslinking of the two polysaccharides by H-bonds and amide bonds formation. The properties of the materials are tested for different PEC compositions at different pH values, based on swelling and solubility degrees, diameters of nanofibers and mechanical performances. The influence of the solvent (acidic potential and composition) utilized to process biomaterials is also examined. Acid formic/water 50/50 v/v is observed to be the more appropriated solvent for the carried-out procedures.
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Affiliation(s)
- Christian Enrique Garcia Garcia
- Departamento de Ingeniería Química-CUCEI. Blvd. M. García Barragán #1451, C.P., Universidad de Guadalajara, Guadalajara, Jalisco 44430, Mexico;
- Université Grenoble Alpes, CNRS, Grenoble INP, LRP, Institute of Engineering University of Grenoble Alpes, 38000 Grenoble, France;
| | - Félix Armando Soltero Martínez
- Departamento de Ingeniería Química-CUCEI. Blvd. M. García Barragán #1451, C.P., Universidad de Guadalajara, Guadalajara, Jalisco 44430, Mexico;
| | - Frédéric Bossard
- Université Grenoble Alpes, CNRS, Grenoble INP, LRP, Institute of Engineering University of Grenoble Alpes, 38000 Grenoble, France;
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Development of double porous poly (ε - caprolactone)/chitosan polymer as tissue engineering scaffold. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 107:110257. [DOI: 10.1016/j.msec.2019.110257] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 09/23/2019] [Accepted: 09/25/2019] [Indexed: 12/24/2022]
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7
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Needleless Electrospinning of a Chitosan Lactate Aqueous Solution: Influence of Solution Composition and Spinning Parameters. TECHNOLOGIES 2019. [DOI: 10.3390/technologies8010002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The biological activity of chitosan determines its broad application as a biopolymer for non-woven wound dressings fabricated by electrospinning. The electrospinning process is affected by a large number of different factors that complicate its optimization. In the present work, the electrospinning of chitosan lactate was carried out using a needleless technique from water solutions of different compositions. Surface response methodology was used to evaluate the effects of the concentration of chitosan, polyethylene oxide, and ethanol on solution properties, such as viscosity, surface tension, and conductivity, as well as the process characteristics and fiber quality. The viscosity of the spinning solution is determined by the polymer concentration as well as by the interpolymer interactions. The addition of ethanol to the spinning solutions effectively decreases the solution surface tension and conductivity, while increasing the volatility of the solvent, to provide more intense fiber spinning. Atomic force microscopy revealed that the chitosan lactate fibers were obtained without defects and with a narrow thickness distribution. The spinning parameters, voltage, distance between electrodes, and rotation speed of the spinning electrode had insignificant influences on the fiber diameter during needleless electrospinning.
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Stabilization of chitosan based electrospun nanofibers through a simple and safe method. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 98:369-380. [DOI: 10.1016/j.msec.2018.12.133] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Revised: 11/25/2018] [Accepted: 12/28/2018] [Indexed: 12/15/2022]
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9
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Sohi AN, Naderi-Manesh H, Soleimani M, Mirzaei S, Delbari M, Dodel M. Influence of Chitosan Molecular Weight and Poly(ethylene oxide): Chitosan Proportion on Fabrication of Chitosan Based Electrospun Nanofibers. POLYMER SCIENCE SERIES A 2018. [DOI: 10.1134/s0965545x18040077] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Zhang Z, Jin F, Wu Z, Jin J, Li F, Wang Y, Wang Z, Tang S, Wu C, Wang Y. O-acylation of chitosan nanofibers by short-chain and long-chain fatty acids. Carbohydr Polym 2017; 177:203-209. [DOI: 10.1016/j.carbpol.2017.08.132] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Revised: 08/24/2017] [Accepted: 08/25/2017] [Indexed: 02/01/2023]
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11
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Wu C, Su H, Karydis A, Anderson KM, Ghadri N, Tang S, Wang Y, Bumgardner JD. Mechanically stable surface-hydrophobilized chitosan nanofibrous barrier membranes for guided bone regeneration. Biomed Mater 2017; 13:015004. [DOI: 10.1088/1748-605x/aa853c] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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12
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Merolli A, Mao Y, Kohn J. A suspended carbon fiber culture to model myelination by human Schwann cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:57. [PMID: 28210970 DOI: 10.1007/s10856-017-5867-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2016] [Accepted: 02/07/2017] [Indexed: 06/06/2023]
Abstract
Understanding of myelination/remyelination process is essential to guide tissue engineering for nerve regeneration. In vitro models currently used are limited to cell population studies and cannot easily identify individual cell contribution to the process. We established a novel model to study the contribution of human Schwann cells to the myelination process. The model avoids the presence of neurons in culture; Schwann cells respond solely to the biophysical properties of an artificial axon. The model uses a single carbon fiber suspended in culture media far from the floor of the well. The fiber provides an elongated structure of defined diameter with 360-degree of surface available for human Schwann cells to wrap around. This model enabled us to spatially and temporally track the myelination by individual Schwann cells along the fiber. We observed cell attachment, elongation and wrapping over a period of 9 days. Cells remained alive and expressed Myelin Basic Protein and Myelin Associated Glycoprotein as expected. Natural and artificial molecules, and external physical factors (e.g., p atterned electrical impulses), may be tested with this model as possible regulators of myelination.
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Affiliation(s)
- Antonio Merolli
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA.
- Policlinico Gemelli, Universita' Cattolica del Sacro Cuore, largo Gemelli 8, 00168, Rome, Italy.
| | - Yong Mao
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA
| | - Joachim Kohn
- New Jersey Center for Biomaterials, Rutgers-The State University of New Jersey, 145 Bevier Rd., Piscataway, NJ, 08854, USA
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13
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Aqil A, Tchemtchoua VT, Colige A, Atanasova G, Poumay Y, Jérôme C. Preparation and characterizations of EGDE crosslinked chitosan electrospun membranes. Clin Hemorheol Microcirc 2016; 60:39-50. [PMID: 25818149 DOI: 10.3233/ch-151930] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Composite Crosslinked nanofibrous membranes of chitosan, ethylene glycol diglycidyl ether (EGDE) and polyethylene oxide was successfully prepared with bead free morphology via electrospinning technique followed by heat mediated chemical crosslinking. Architectural stability of nanofiber mat in aqueous medium was achieved by chemical crosslinking of only 1% EGDE, and tensile strength tests revealed that increasing EGDE content has considerably enhance the elastic modulus of nanofibers. The structure, morphology and mechanical properties of nanofibers were characterized by Attenuated Total Reflection-Fourier Transform Infrared spectroscopy (ATR-FTIR), scanning electron microscopy (SEM) and Instron machine, respectively. Skin fibroblasts and endothelial cells showed good attachment, proliferation and viability on crosslinked electrospun membranes. The results indicate a good biocompatibility and non-toxic nature of the resulted membrane.
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Affiliation(s)
- A Aqil
- Center for Macromolecules Study and Research, Institut de Chimie, University of Liège, Liège, Belgium
| | - V T Tchemtchoua
- Laboratory of Connective Tissues Biology, GIGA Research Center, University of Liège, Sart Tilman, Belgium
| | - A Colige
- Laboratory of Connective Tissues Biology, GIGA Research Center, University of Liège, Sart Tilman, Belgium
| | - G Atanasova
- Laboratory of Cells and Tissues, University of Namur (FUNDP), Namur, Belgium
| | - Y Poumay
- Laboratory of Cells and Tissues, University of Namur (FUNDP), Namur, Belgium
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Singh BK, Dutta PK. Chitin, Chitosan, and Silk Fibroin Electrospun Nanofibrous Scaffolds: A Prospective Approach for Regenerative Medicine. SPRINGER SERIES ON POLYMER AND COMPOSITE MATERIALS 2016. [DOI: 10.1007/978-81-322-2511-9_7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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15
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Al Bakain RZ, Abulateefeh SR, Taha MO. Synthesis and characterization of chitosan-lactate–phthalate and evaluation of the corresponding zinc- and aluminum-crosslinked beads as potential controlled release matrices. Eur Polym J 2015. [DOI: 10.1016/j.eurpolymj.2015.11.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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16
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Huang S, Yu Z, Qi C, Zhang Y. Chitosan/organic rectorite nanocomposites rapidly synthesized by microwave irradiation: effects of chitosan molecular weight. RSC Adv 2015. [DOI: 10.1039/c5ra13939b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Chitosans with high and low molecular weight were intercalated into organic rectorite to prepare nanocomposites via a microwave irradiation method for 75 min, which was much more efficient than the conventional 48 h heating method.
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Affiliation(s)
- Siqi Huang
- MOE Key Laboratory of Wooden Material Science and Application
- Beijing Forestry University
- Beijing
- China
| | - Zhiming Yu
- MOE Key Laboratory of Wooden Material Science and Application
- Beijing Forestry University
- Beijing
- China
| | - Chusheng Qi
- MOE Key Laboratory of Wooden Material Science and Application
- Beijing Forestry University
- Beijing
- China
| | - Yang Zhang
- MOE Key Laboratory of Wooden Material Science and Application
- Beijing Forestry University
- Beijing
- China
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17
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Thyriyalakshmi P, Radha KV. Synthesis of dimethyl carbonate (DMC) based biodegradable nitrogen mustard ionic carbonate (NMIC) nanoparticles. RSC Adv 2015. [DOI: 10.1039/c4ra13290d] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Nitrogen mustard ionic carbonate with stable carbonate moiety was synthesized and cross-linked with the biopolymer chitosan. Subsequently, nanoparticles of cross linked chitosan were prepared for wound healing application.
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Affiliation(s)
- P. Thyriyalakshmi
- Bio-Products Laboratory, Department of Chemical Engineering
- A.C. Tech
- Anna University
- Chennai-25
- India
| | - K. V. Radha
- Bio-Products Laboratory, Department of Chemical Engineering
- A.C. Tech
- Anna University
- Chennai-25
- India
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18
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Vaezifar S, Razavi S, Golozar MA, Esfahani HZ, Morshed M, Karbasi S. Characterization of PLGA/Chitosan Electrospun Nano-Biocomposite Fabricated by Two Different Methods. INT J POLYM MATER PO 2014. [DOI: 10.1080/00914037.2014.886244] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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20
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Ding F, Deng H, Du Y, Shi X, Wang Q. Emerging chitin and chitosan nanofibrous materials for biomedical applications. NANOSCALE 2014; 6:9477-93. [PMID: 25000536 DOI: 10.1039/c4nr02814g] [Citation(s) in RCA: 181] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
Over the past several decades, we have witnessed significant progress in chitosan and chitin based nanostructured materials. The nanofibers from chitin and chitosan with appealing physical and biological features have attracted intense attention due to their excellent biological properties related to biodegradability, biocompatibility, antibacterial activity, low immunogenicity and wound healing capacity. Various methods, such as electrospinning, self-assembly, phase separation, mechanical treatment, printing, ultrasonication and chemical treatment were employed to prepare chitin and chitosan nanofibers. These nanofibrous materials have tremendous potential to be used as drug delivery systems, tissue engineering scaffolds, wound dressing materials, antimicrobial agents, and biosensors. This review article discusses the most recent progress in the preparation and application of chitin and chitosan based nanofibrous materials in biomedical fields.
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Affiliation(s)
- Fuyuan Ding
- School of Resource and Environmental Science and Hubei Biomass-Resource Chemistry and Environmental Biotechnology Key Laboratory, Wuhan University, Wuhan, 430079, China.
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Jiang T, Deng M, James R, Nair LS, Laurencin CT. Micro- and nanofabrication of chitosan structures for regenerative engineering. Acta Biomater 2014; 10:1632-45. [PMID: 23851172 DOI: 10.1016/j.actbio.2013.07.003] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 05/31/2013] [Accepted: 07/01/2013] [Indexed: 11/24/2022]
Abstract
Repair and regeneration of human tissues and organs using biomaterials, cells and/or growth factors is the ultimate goal of tissue engineers. One of the grand challenges in this field is to closely mimic the structures and properties of native tissues. Regenerative engineering-the convergence of tissue engineering with advanced materials science, stem cell science, and developmental biology-represents the next valuable tool to overcome the challenges. This article reviews the recent progress in developing advanced chitosan structures using various fabrication techniques. These chitosan structures, together with stem cells and functional biomolecules, may provide a robust platform to gain insight into cell-biomaterial interactions and may function as excellent artificial extracellular matrices to regenerate complex human tissues and biological systems.
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Hassanzadeh P, Kharaziha M, Nikkhah M, Shin SR, Jin J, He S, Sun W, Zhong C, Dokmeci MR, Khademhosseini A, Rolandi M. Chitin Nanofiber Micropatterned Flexible Substrates for Tissue Engineering †. J Mater Chem B 2013; 1:10.1039/C3TB20782J. [PMID: 24179675 PMCID: PMC3809896 DOI: 10.1039/c3tb20782j] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Engineered tissues require enhanced organization of cells and extracellular matrix (ECM) for proper function. To promote cell organization, substrates with controlled micro- and nanopatterns have been developed as supports for cell growth, and to induce cellular elongation and orientation via contact guidance. Micropatterned ultra-thin biodegradable substrates are desirable for implantation in the host tissue. These substrates, however, need to be mechanically robust to provide substantial support for the generation of new tissues, to be easily retrievable, and to maintain proper handling characteristics. Here, we introduce ultra-thin (<10 μm), self-assembled chitin nanofiber substrates micropatterned with replica molding for engineering cell sheets. These substrates are biodegradable, mechanically strong, yet flexible, and easily manipulated into the desired shape. As a proof-of-concept, fibroblast cell proliferation, elongation, and alignment were studied on the developed substrates with different pattern dimensions. On the optimized substrates, the majority of the cells aligned (<10°) along the major axis of micropatterned features. With the ease of fabrication and mechanical robustness, the substrates presented herein can be utilized as versatile system for the engineering and delivery of ordered tissue in applications such as myocardial repair.
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Affiliation(s)
- Pegah Hassanzadeh
- Department of Materials Science and Engineering, University of Washington, Seattle, WA, 98195, USA
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Sarkar SD, Farrugia BL, Dargaville TR, Dhara S. Physico-chemical/biological properties of tripolyphosphate cross-linked chitosan based nanofibers. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2013; 33:1446-54. [DOI: 10.1016/j.msec.2012.12.066] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2012] [Revised: 11/05/2012] [Accepted: 12/14/2012] [Indexed: 11/24/2022]
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24
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Polycaprolactone/chitosan blend nanofibres electrospun from an acetic acid/formic acid solvent system. Carbohydr Polym 2012. [DOI: 10.1016/j.carbpol.2012.01.085] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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25
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Zhao Z, Zheng J, Wang M, Zhang H, Han CC. High performance ultrafiltration membrane based on modified chitosan coating and electrospun nanofibrous PVDF scaffolds. J Memb Sci 2012. [DOI: 10.1016/j.memsci.2011.12.043] [Citation(s) in RCA: 139] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Biomedical exploitation of chitin and chitosan via mechano-chemical disassembly, electrospinning, dissolution in imidazolium ionic liquids, and supercritical drying. Mar Drugs 2011; 9:1510-1533. [PMID: 22131955 PMCID: PMC3225932 DOI: 10.3390/md9091510] [Citation(s) in RCA: 154] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Revised: 08/28/2011] [Accepted: 08/31/2011] [Indexed: 12/15/2022] Open
Abstract
Recently developed technology permits to optimize simultaneously surface area, porosity, density, rigidity and surface morphology of chitin-derived materials of biomedical interest. Safe and ecofriendly disassembly of chitin has superseded the dangerous acid hydrolysis and provides higher yields and scaling-up possibilities: the chitosan nanofibrils are finding applications in reinforced bone scaffolds and composite dressings for dermal wounds. Electrospun chitosan nanofibers, in the form of biocompatible thin mats and non-wovens, are being actively studied: composites of gelatin + chitosan + polyurethane have been proposed for cardiac valves and for nerve conduits; fibers are also manufactured from electrospun particles that self-assemble during subsequent freeze-drying. Ionic liquids (salts of alkylated imidazolium) are suitable as non-aqueous solvents that permit desirable reactions to occur for drug delivery purposes. Gel drying with supercritical CO2 leads to structures most similar to the extracellular matrix, even when the chitosan is crosslinked, or in combination with metal oxides of interest in orthopedics.
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Muzzarelli RAA. New Techniques for Optimization of Surface Area and Porosity in Nanochitins and Nanochitosans. ADVANCES IN POLYMER SCIENCE 2011. [DOI: 10.1007/12_2011_140] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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