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Zhang Y, Jian Y, Jiang X, Li X, Wu X, Zhong J, Jia X, Li Q, Wang X, Zhao K, Yao Y. Stepwise degradable PGA-SF core-shell electrospinning scaffold with superior tenacity in wetting regime for promoting bone regeneration. Mater Today Bio 2024; 26:101023. [PMID: 38525312 PMCID: PMC10959703 DOI: 10.1016/j.mtbio.2024.101023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 02/22/2024] [Accepted: 03/09/2024] [Indexed: 03/26/2024] Open
Abstract
Regenerating bone in the oral and maxillofacial region is clinically challenging due to the complicated osteogenic environment and the limitation of existing bone graft materials. Constructing bone graft materials with controlled degradation and stable mechanical properties in a physiological environment is of utmost importance. In this study, we used silk fibroin (SF) and polyglycolic acid (PGA) to fabricate a coaxial PGA-SF fibrous scaffold (PGA-SF-FS) to meet demands for bone grafts. The SF shell exerted excellent osteogenic activity while protecting PGA from rapid degradation and the PGA core equipped scaffold with excellent tenacity. The experiments related to biocompatibility and osteogenesis (e.g., cell attachment, proliferation, differentiation, and mineralization) demonstrated the superior ability of PGA-SF-FS to improve cell growth and osteogenic differentiation. Furthermore, in vivo testing using Sprague-Dawley rat cranial defect model showed that PGA-SF-FS accelerates bone regeneration as the implantation time increases, and its stepwise degradation helps to match the remodeling kinetics of the host bone tissue. Besides, immunohistochemical staining of CD31 and Col-1 confirmed the ability of PGA-SF-FS to enhance revascularization and osteogenesis response. Our results suggest that PGA-SF-FS fully utilizing the advantages of both components, exhibites stepwise degradation and superior tenacity in wetting regime, making it a promising candidate in the treatment of bone defects.
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Affiliation(s)
- Yuan Zhang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yutao Jian
- Institute of Stomatological Research, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xiao Jiang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Xuerong Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Xiangnan Wu
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Juan Zhong
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Xiaoshi Jia
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Qiulan Li
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Xiaodong Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Ke Zhao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
| | - Yitong Yao
- Hospital of Stomatology, Guanghua School of Stomatology, Sun Yat-sen University, Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
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Li H, Guo Y, Ma B, Qian Y, Sun W, Zhou X. The polydopamineâassisted heparin anchor enhances the hydrophilicity, hemocompatibility, and biocompatibility of polyurethane. J Appl Polym Sci 2022. [DOI: 10.1002/app.53352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Heng Li
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering Southeast University Nanjing China
| | - Yu Guo
- Center of Stomatology The Second Affiliated Hospital of Soochow University Suzhou China
| | - Buyun Ma
- Nano Science and Technology Institute University of Science and Technology of China Suzhou China
| | - Yunzhu Qian
- Center of Stomatology The Second Affiliated Hospital of Soochow University Suzhou China
| | - Wentao Sun
- Nano Science and Technology Institute University of Science and Technology of China Suzhou China
| | - Xuefeng Zhou
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering Southeast University Nanjing China
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Tipu JAK, Rafiq SU, Arif M, Feroze T, Ahmad HW, Masood Chaudry U, Jun TS, Aslam Noon A. Development of Multiscale Composite with Hybrid Natural Nanofibers. MATERIALS 2022; 15:ma15134622. [PMID: 35806749 PMCID: PMC9267282 DOI: 10.3390/ma15134622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 06/27/2022] [Accepted: 06/27/2022] [Indexed: 12/03/2022]
Abstract
Natural nanofibers are widely used in the field of medicine, but the low strength of these nanofibers is one of the major concerns. A number of factors, importantly the composition, affect the strength of natural nanofibers. The purpose of the current study is to ascertain the effect of the composition of natural nanofibers on the strength of hybrid composites formed using these nanofibers. Hybrid composites formed using 32% volume glass fibre with optimized volume fraction of 0.5% of pure Cellulose Acetate (CA), and 0.5% CA + Hemp Seed (HS) for this study to carry out the analysis. Hybrid composites were produced with vacuum-assisted resin transfer molding (VARTM) by collecting natural nanofibers, produced using the electrospinning process, over glass fiber mats. The electrospinning process was carried out with 12 kV, 10 cm tip to the collector gap, and 12% concentration of the solution. The tensile strength of the hybrid composites was measured using the universal testing machine (UTM). The results showed that the diameter of the electrospun nanofiber varied between 50 and 1400 nm and was affected by solution concentration, voltage, tip-to-collector distance, flow rate, and inclusion of HS in CA. The inclusion of HS in CA, for all compositions, decreased the fiber diameter and caused the formation of beads prominently at higher concentrations. Hybrid composites formed from nanofibers produced using CA and HS showed higher elastic modulus (232 MPa) and tensile strength (20.4 GPa) as compared with nanofibers produced using CA only (elastic modulus = 110 MPa and 13.7 GPa).
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Affiliation(s)
- Javed A. K. Tipu
- Department of Mechanical Engineering, International Islamic University, Islamabad 44000, Pakistan; (J.A.K.T.); (S.U.R.); (M.A.)
| | - Syed Usman Rafiq
- Department of Mechanical Engineering, International Islamic University, Islamabad 44000, Pakistan; (J.A.K.T.); (S.U.R.); (M.A.)
| | - Muhammad Arif
- Department of Mechanical Engineering, International Islamic University, Islamabad 44000, Pakistan; (J.A.K.T.); (S.U.R.); (M.A.)
| | - Tariq Feroze
- Military College of Engineering (MCE) NUST, Risalpur Campus, Risalpur 23200, Pakistan;
| | - Hafiz Waqar Ahmad
- School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea;
| | - Umer Masood Chaudry
- Department of Mechanical Engineering, Incheon National University, Incheon 22012, Korea
- Correspondence: (U.M.C.); (T.-S.J.); (A.A.N.)
| | - Tea-Sung Jun
- Department of Mechanical Engineering, Incheon National University, Incheon 22012, Korea
- Correspondence: (U.M.C.); (T.-S.J.); (A.A.N.)
| | - Adnan Aslam Noon
- Department of Mechanical Engineering, International Islamic University, Islamabad 44000, Pakistan; (J.A.K.T.); (S.U.R.); (M.A.)
- Correspondence: (U.M.C.); (T.-S.J.); (A.A.N.)
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Zhuang W, Shi C, Wang J, Su T, Lin T, Lin C, Wu X, Gao M, Chen H, Su Q. Preparation and properties of carboxylated styreneâbutadiene rubber/flue gas desulfurization ash composites by in situ carboxylate reaction. J Appl Polym Sci 2022. [DOI: 10.1002/app.52726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wei Zhuang
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Cheng Shi
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Jinyun Wang
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
- College of Physical Science and Technology Northwestern Polytechnical University Xi'an PR China
| | - Tong Su
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Tengfei Lin
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Cong Lin
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Xiao Wu
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Min Gao
- College of Materials Science and Engineering Fuzhou University Fuzhou PR China
| | - Hong Chen
- Longjing Desulfurization and Denitrification Engineering Co., Ltd. Xiamen PR China
| | - Qingfa Su
- Longjing Desulfurization and Denitrification Engineering Co., Ltd. Xiamen PR China
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Bai X, Yong X, Luo Y, Deng L, Li K, Zhou Y. Synthesis and application of temperatureâsensitive polymer as a novel plugging agent for waterâbased drilling fluids. J Appl Polym Sci 2022. [DOI: 10.1002/app.52524] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Xiaodong Bai
- School of New Energy and Materials Southwest Petroleum University Chengdu China
| | - Xuemei Yong
- School of New Energy and Materials Southwest Petroleum University Chengdu China
| | - Yumei Luo
- School of New Energy and Materials Southwest Petroleum University Chengdu China
| | - Licheng Deng
- School of New Energy and Materials Southwest Petroleum University Chengdu China
| | - Ke Li
- School of New Energy and Materials Southwest Petroleum University Chengdu China
| | - Yi Zhou
- School of New Energy and Materials Southwest Petroleum University Chengdu China
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Nayl AA, Abd-Elhamid AI, Awwad NS, Abdelgawad MA, Wu J, Mo X, Gomha SM, Aly AA, BrÀse S. Recent Progress and Potential Biomedical Applications of Electrospun Nanofibers in Regeneration of Tissues and Organs. Polymers (Basel) 2022; 14:polym14081508. [PMID: 35458258 PMCID: PMC9029721 DOI: 10.3390/polym14081508] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/02/2022] [Accepted: 04/05/2022] [Indexed: 01/27/2023] Open
Abstract
Electrospun techniques are promising and flexible technologies to fabricate ultrafine fiber/nanofiber materials from diverse materials with unique characteristics under optimum conditions. These fabricated fibers/nanofibers via electrospinning can be easily assembled into several shapes of three-dimensional (3D) structures and can be combined with other nanomaterials. Therefore, electrospun nanofibers, with their structural and functional advantages, have gained considerable attention from scientific communities as suitable candidates in biomedical fields, such as the regeneration of tissues and organs, where they can mimic the network structure of collagen fiber in its natural extracellular matrix(es). Due to these special features, electrospinning has been revolutionized as a successful technique to fabricate such nanomaterials from polymer media. Therefore, this review reports on recent progress in electrospun nanofibers and their applications in various biomedical fields, such as bone cell proliferation, nerve regeneration, and vascular tissue, and skin tissue, engineering. The functionalization of the fabricated electrospun nanofibers with different materials furnishes them with promising properties to enhance their employment in various fields of biomedical applications. Finally, we highlight the challenges and outlooks to improve and enhance the application of electrospun nanofibers in these applications.
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Affiliation(s)
- AbdElAziz A. Nayl
- Department of Chemistry, College of Science, Jouf University, P.O. Box 2014, Sakaka 72341, Al Jouf, Saudi Arabia
- Correspondence: or (A.A.N.); (S.B.)
| | - Ahmed I. Abd-Elhamid
- Composites and Nanostructured Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg Al-Arab, Alexandria 21934, Egypt;
| | - Nasser S. Awwad
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia;
| | - Mohamed A. Abdelgawad
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, Sakaka 72341, Al Jouf, Saudi Arabia;
| | - Jinglei Wu
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (J.W.); (X.M.)
| | - Xiumei Mo
- Key Laboratory of Science and Technology of Eco-Textile, Ministry of Education, College of Chemistry, Chemical Engineering and Biotechnology, Donghua University, Shanghai 201620, China; (J.W.); (X.M.)
| | - Sobhi M. Gomha
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt;
- Chemistry Department, Faculty of Science, Islamic University of Madinah, Madinah 42351, Saudi Arabia
| | - Ashraf A. Aly
- Chemistry Department, Faculty of Science, Organic Division, Minia University, El-Minia 61519, Egypt;
| | - Stefan BrÀse
- Institute of Organic Chemistry, Organic Chemistry I, 76131 Karlsruhe, Germany
- Institute of Biological and Chemical SystemsâFunctional Molecular Systems (IBCS-FMS), 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence: or (A.A.N.); (S.B.)
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Zhang F, Cao K, Zaeri A, Zgeib R, Chang RC. Design, fabrication, and analysis of spatially heterogeneous scaffold by melt electrospinning writing of poly(ΔâCaprolactone). J Appl Polym Sci 2022. [DOI: 10.1002/app.52235] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Fucheng Zhang
- Department of Mechanical Engineering Stevens Institute of Technology Hoboken New Jersey USA
| | - Kai Cao
- Department of Mechanical Engineering Stevens Institute of Technology Hoboken New Jersey USA
| | - Ahmadreza Zaeri
- Department of Mechanical Engineering Stevens Institute of Technology Hoboken New Jersey USA
| | - Ralf Zgeib
- Department of Mechanical Engineering Stevens Institute of Technology Hoboken New Jersey USA
| | - Robert C. Chang
- Department of Mechanical Engineering Stevens Institute of Technology Hoboken New Jersey USA
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