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Sriram M, Priya S, Katti DS. Polyhydroxybutyrate-based osteoinductive mineralized electrospun structures that mimic components and tissue interfaces of the osteon for bone tissue engineering. Biofabrication 2024; 16:025036. [PMID: 38471166 DOI: 10.1088/1758-5090/ad331a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Accepted: 03/12/2024] [Indexed: 03/14/2024]
Abstract
Scaffolds for bone tissue engineering should enable regeneration of bone tissues with its native hierarchically organized extracellular matrix (ECM) and multiple tissue interfaces. To achieve this, inspired by the structure and properties of bone osteon, we fabricated polyhydroxybutyrate (PHB)-based mineralized electrospun fibrous scaffolds. After studying multiple PHB-based fibers, we chose 7%PHB/1%Gelatin fibers (PG) to fabricate mineralized fibers that mimic mineralized collagen fibers in bone. The mineralized PG (mPG) surface had a rough, hydrophilic layer of low crystalline calcium phosphate which was biocompatible to bone marrow stromal cells (BMSCs), induced their proliferation and was osteoinductive. Subsequently, by modulating the electrospinning process, we fabricated mPG-based novel higher order fibrous scaffolds that mimic the macroscale geometries of osteons of bone ECM. Inspired by the aligned collagen fibers in bone lamellae, we fabricated mPG scaffolds with aligned fibers that could direct anisotropic elongation of mouse BMSC (mBMSCs). Further, we fabricated electrospun mPG-based osteoinductive tubular constructs which can mimic cylindrical bone components like osteons or lamellae or be used as long bone analogues based on their dimensions. Finally, to regenerate tissue interfaces in bone, we introduced a novel bi-layered scaffold-based approach. An electrospun bi-layered tubular construct that had PG in the outer layer and 7%PHB/0.5%Polypyrrole fibers (PPy) in the inner layer was fabricated. The bi-layered tubular construct underwent preferential surface mineralization only on its outer layer. This outer mineralized layer supported osteogenesis while the inner PPy layer could support neural cell growth. Thus, the bi-layered tubular construct may be used to regenerate haversian canal in the osteons which hosts nerve fibers. Overall, the study introduced novel techniques to fabricate biomimetic structures that can regenerate components of bone osteon and its multiple tissue interfaces. The study lays foundation for the fabrication of a modular scaffold that can regenerate bone with its hierarchical structure and complex tissue interfaces.
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Affiliation(s)
- M Sriram
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
- Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Smriti Priya
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Dhirendra S Katti
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
- Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
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Askari M, Jadid Tavaf M, Ghorbani M, Yazdanian M, Moghaddam MM. Electrospun Propolis-coated PLGA Scaffold Enhances the Osteoinduction of Mesenchymal Stem Cells. Curr Stem Cell Res Ther 2024; 19:94-102. [PMID: 36999189 DOI: 10.2174/1574888x18666230330104314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 04/01/2023]
Abstract
BACKGROUND Major injuries that are caused by trauma and cancer can not be repaired through bone remodeling. The goal of bone regeneration by tissue engineering approaches is to fabricate bone implants in order to restore bone structure and functions. The use of stem cells and polymer scaffolds provides the conditions for tissue regeneration based on tissue engineering. OBJECTIVE This study aimed to fabricate a combined matrix of poly(lactide-co-glycolide) (PLGA) and propolis extract, which is a mixture of pollen and beeswax collected by bees from certain plants and has long been used in traditional herbal medicine, to promote the osteogenic differentiation of human adipose- derived mesenchymal stem cells (AD-MSCs). METHODS The scaffold was fabricated through electrospinning and was immersed in a propolis extract solution. Then, AD-MSCs were cultured and differentiated into the osteogenic lineage. The cell viability on the scaffold was evaluated by MTT assay. Osteogenic differentiation of the seeded stem cells was detected by evaluating calcium content, alkaline phosphatase (ALP) activity, and the expression of bonespecific genes. RESULTS The viability of cells was not affected by propolis-coated and uncoated fabricated scaffolds, while higher calcium content, ALP activity, and expression of RUNX-2, type I collagen, osteocalcin, and osteonectin were observed in cells differentiated on propolis-coated PLGA scaffold on days 7, 14, and 21 of differentiation compared to PLGA scaffold. CONCLUSION The results of this study showed that the presence of propolis in the scaffold could lead to better cell attachment and strengthen the osteoinduction process in stem cells.
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Affiliation(s)
- Mohammad Askari
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Maryam Jadid Tavaf
- Department of Hematology, Tarbiat Modarres University of Medical Sciences, Tehran, Iran
| | - Masoud Ghorbani
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohsen Yazdanian
- Research Center for Prevention of Oral and Dental Diseases, Baqiyatallah University of Medical Sciences, Tehran, Iran
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Liu X, Gao J, Cui X, Nie S, Wu X, Zhang L, Tang P, Liu J, Li M. Functionalized 3D-Printed PLA Biomimetic Scaffold for Repairing Critical-Size Bone Defects. Bioengineering (Basel) 2023; 10:1019. [PMID: 37760121 PMCID: PMC10526104 DOI: 10.3390/bioengineering10091019] [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: 07/04/2023] [Revised: 08/04/2023] [Accepted: 08/24/2023] [Indexed: 09/29/2023] Open
Abstract
The treatment of critical-size bone defects remains a complicated clinical challenge. Recently, bone tissue engineering has emerged as a potential therapeutic approach for defect repair. This study examined the biocompatibility and repair efficacy of hydroxyapatite-mineralized bionic polylactic acid (PLA) scaffolds, which were prepared through a combination of 3D printing technology, plasma modification, collagen coating, and hydroxyapatite mineralization coating techniques. Physicochemical analysis, mechanical testing, and in vitro and animal experiments were conducted to elucidate the impact of structural design and microenvironment on osteogenesis. Results indicated that the PLA scaffold exhibited a porosity of 84.1% and a pore size of 350 μm, and its macrostructure was maintained following functionalization modification. The functionalized scaffold demonstrated favorable hydrophilicity and biocompatibility and promoted cell adhesion, proliferation, and the expression of osteogenic genes such as ALP, OPN, Col-1, OCN, and RUNX2. Moreover, the scaffold was able to effectively repair critical-size bone defects in the rabbit radius, suggesting a novel strategy for the treatment of critical-size bone defects.
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Affiliation(s)
- Xiao Liu
- Medical School of Chinese PLA, Beijing 100853, China; (X.L.); (J.G.)
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Jianpeng Gao
- Medical School of Chinese PLA, Beijing 100853, China; (X.L.); (J.G.)
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Xiang Cui
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Shaobo Nie
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Xiaoyong Wu
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Licheng Zhang
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Peifu Tang
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Jianheng Liu
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
| | - Ming Li
- Department of Orthopaedics, The Fourth Medical Center of the Chinese PLA General Hospital, Beijing 100853, China; (X.C.); (S.N.); (X.W.); (L.Z.); (P.T.)
- National Clinical Research Center for Orthopedics, Sports Medicine & Rehabilitation, Beijing 100853, China
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Zhang H, Lan D, Li X, Li Z, Dai F. Conductive and antibacterial scaffold with rapid crimping property for application prospect in repair of peripheral nerve injury. J Appl Polym Sci 2022. [DOI: 10.1002/app.53426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Affiliation(s)
- Hai‐qiang Zhang
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Dong‐wei Lan
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Xia Li
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Zhi Li
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
| | - Fang‐Yin Dai
- State Key Laboratory of Silkworm Genome Biology Southwest University Chongqing China
- Chongqing Engineering Research Center of Biomaterial Fiber and Modern Textile, College of sericulture, Textile and Biomass Sciences Southwest University Chongqing China
- Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs Southwest University Chongqing China
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You Y, Wang W, Li Y, Song Y, Jiao J, Wang Y, Chen B, Liu J, Qi H, Liang Y. Aspirin/PLGA coated 3D-printed Ti-6Al-4V alloy modulate macrophage polarization to enhance osteoblast differentiation and osseointegration. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2022; 33:73. [PMID: 36209337 PMCID: PMC9547804 DOI: 10.1007/s10856-022-06697-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2021] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Although titanium (Ti) and Ti-based alloy have been widely used as dental and orthopedic implant materials, its bioinertness hindered the rapid osseointegration. Therefore, it is recommended to acquire ideal topographic and chemical characteristics through surface modification methods. 3D printing is a delicate manufacture technique which possesses superior controllability and reproducibility. While aspirin serve as a well-established non-steroidal anti-inflammatory agent. Recently, the importance of immune system in regulating bone dynamics has attracted increasing attention. We herein superimposed the aspirin/poly (lactic-co-glycolic acid) (ASP/PLGA) coating on the 3D-printed Ti-6Al-4V surface with uniform micro-structure to establish the Ti64-M-ASP/PLGA substrate. Scanning electron microscopy (SEM), x-ray photoelectron spectroscopy (XPS) and contact angle test confirmed the successful fabrication of the Ti64-M-ASP/PLGA substrate, with increased wettability and sustained release pattern of ASP. Compared with the Ti64 base material, the Ti64-M-ASP/PLGA substrate showed enhanced M2 and depressed M1 genes and proteins expressions in macrophages. The novel Ti64-M-ASP/PLGA substrate also displayed enhanced osteoblast proliferation, adhesion, extracellular mineralization ability and osteogenic gene expressions when cultured with macrophage conditioned medium in vitro. Furthermore, rat femora implantation model was used for in vivo evaluation. After 4 weeks of implantation, push out test, micro-computed tomography (micro-CT) and histological analyses all confirmed the superior osseointegration capabilities of the Ti64-M-ASP/PLGA implant than the other groups. Our study revealed the synergistic role played by 3D-printed micro topography and immunoregulatory drug aspirin in promoting osteogenesis in vitro and accelerating osseointegration in vivo, thus providing a promising method for better modifying the implant surface. Graphical abstract.
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Affiliation(s)
- Yapeng You
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
- The Affiliated Stomatology Hospital of Kunming Medical University, Kunming, Yunnan, 650100, China
| | - Wanmeng Wang
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Ying Li
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China.
| | - Yunjia Song
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Jian Jiao
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Yao Wang
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Bo Chen
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Jialin Liu
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Hui Qi
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
| | - Yu Liang
- School of Stomatology, Hospital of Stomatology, Tianjin Medical University, Tianjin, 300070, China
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The effect of polyethylene glycol on printability, physical and mechanical properties and osteogenic potential of 3D-printed poly (l-lactic acid)/polyethylene glycol scaffold for bone tissue engineering. Int J Biol Macromol 2022; 221:1325-1334. [PMID: 36087749 DOI: 10.1016/j.ijbiomac.2022.09.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/31/2022] [Accepted: 09/05/2022] [Indexed: 11/21/2022]
Abstract
One of the challenges in critical size bone defect repairing is the use of a porous degradable scaffold with appropriate properties to the host tissue. Nowadays, the three-dimensional (3D) printing method can produce custom and personalized scaffolds and overcome the problems of traditional methods by controlling the porosity and dimensions of biomaterial scaffolds. In this study, polylactic acid/polyethylene glycol (PLA/PEG) scaffolds were prepared with different PEG percentages (0, 5, 10, 15 and 20 wt%) by fused deposition modeling (FDM) to optimize printability and achieve suitable physico-mechanical properties and also enhance cellular behavior for bone tissue engineering and actually, this study complements previous studies. Fourier transform infrared spectroscopy (FTIR), Scanning electron microscopy (SEM) and differential scanning calorimetry (DSC) were employed for chemical, morphological and thermal evaluations, respectively. It was shown that the adding of 20 wt% PEG to PLA 3D printed scaffolds reduced water contact angle (from 78.16 ± 3.27 to 60.00 ± 2.16), and increased surface wettability. The results also showed that the mechanical properties of the printed scaffolds were not significantly reduced by adding 5 and 10 wt% of PEG. The addition of PEG increased the degradability of scaffolds during immersion in phosphate buffer saline (PBS) solution for 8 weeks and PLA/PEG20 scaffold with 50.96 % had the highest rate of degradation. MTT assay showed that none of the studied scaffolds had cytotoxicity against MG-63 cells and increasing the PEG levels to 20 wt%, increased cell viability and adhesion and osteogenic differentiation. According to the obtained physical, mechanical and biological results, PLA/PEG scaffold printed by the FDM method can be an appropriate candidate for use in bone repair applications.
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Crossing Phylums: Butterfly Wing as a Natural Perfusable Three-Dimensional (3D) Bioconstruct for Bone Tissue Engineering. J Funct Biomater 2022; 13:jfb13020068. [PMID: 35735923 PMCID: PMC9225241 DOI: 10.3390/jfb13020068] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/17/2022] [Accepted: 05/25/2022] [Indexed: 12/02/2022] Open
Abstract
Despite the advent of promising technologies in tissue engineering, finding a biomimetic 3D bio-construct capable of enhancing cell attachment, maintenance, and function is still a challenge in producing tailorable scaffolds for bone regeneration. Here, osteostimulatory effects of the butterfly wings as a naturally porous and non-toxic chitinous scaffold on mesenchymal stromal cells are assessed. The topographical characterization of the butterfly wings implied their ability to mimic bone tissue microenvironment, whereas their regenerative potential was validated after a 14-day cell culture. In vivo analysis showed that the scaffold induced no major inflammatory response in Wistar rats. Topographical features of the bioconstruct upregulated the osteogenic genes, including COL1A1, ALP, BGLAP, SPP1, SP7, and AML3 in differentiated cells compared to the cells cultured in the culture plate. However, butterfly wings were shown to provide a biomimetic microstructure and proper bone regenerative capacity through a unique combination of various structural and material properties. Therefore, this novel platform can be confidently recommended for bone tissue engineering applications.
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Materials Properties and Application Strategy for Ligament Tissue Engineering. J Med Biol Eng 2022. [DOI: 10.1007/s40846-022-00706-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tamayo L, Santana P, Forero JC, Leal M, González N, Díaz M, Guiliani N, Hamm E, Urzúa M. Coaxial fibers of poly(styrene-co-maleic anhydride)@poly(vinyl alcohol) for wound dressing applications: Dual and sustained delivery of bioactive agents promoting fibroblast proliferation with reduced cell adherence. Int J Pharm 2021; 611:121292. [PMID: 34780927 DOI: 10.1016/j.ijpharm.2021.121292] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 11/08/2021] [Accepted: 11/09/2021] [Indexed: 11/19/2022]
Abstract
The prevalence of chronic and acute wounds, as well as the complexity of their treatment represent a great challenge for health systems around the world. In this context, the development of bioactive wound dressings that release active agents to prevent infections and promote wound healing, appears as the most promising solution. In this work, we develop an antibacterial and biocompatible wound dressing material made from coaxial electrospun fibers of poly(styrene-co-maleic anhydride) and poly(vinyl alcohol) (PSMA@PVA). The coaxial configuration of the fibers consists of a shell of poly (styrene-co-maleic anhydride) containing a variable concentration of silver nanoparticles (AgNPs) 0.1-0.6 wt% as antibacterial agent, and a core of PVA containing 1 wt% allantoin as healing agent. The fibers present diameters between 0.72 and 1.7 µm. The release of Ag+ in a physiological medium was studied for 72 h, observing a burst release during the first 14 h and then a sustained and controlled release during the remaining 58 h. Allantoin release curves showed significant release only after 14 h. The meshes showed an antibacterial activity against Pseudomonas aeruginosa and Bacillus subtilis that correlates with the amount of AgNPs incorporated and the release rate of Ag+. Indeed, meshes containing 0.3 and 0.6 wt% of AgNPs showed a 99.99% inhibition against both bacteria. The adherence and cell viability of the meshes were evaluated in mouse embryonic fibroblasts NIH/3T3, observing a significant increase in cell viability after 72 h of incubation accompanied by a reduced adhesion of fibroblasts that decreased in the presence of the active agents. These results show that the material prepared here is capable of significantly promoting fibroblast cell proliferation but without strong adherence, which makes it an ideal material for wound dressings with non-adherent characteristics and with potential for wound healing.
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Affiliation(s)
- Laura Tamayo
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
| | - Paula Santana
- Instituto de Ciencias Químicas Aplicadas, Facultad de Ingeniería, Universidad Autónoma de Chile, El Llano Subercaseaux 2801, San Miguel, Santiago 8910060, Chile
| | - Juan C Forero
- Laboratorio de Química Biológica, Instituto de Química, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, 2340000, Chile
| | - Matías Leal
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
| | - Nicolás González
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
| | - Mauricio Díaz
- Laboratorio de Comunicación Bacteriana, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, P. C. 780-0023, Santiago, Chile
| | - Nicolás Guiliani
- Laboratorio de Comunicación Bacteriana, Departamento de Biología, Facultad de Ciencias, Universidad de Chile, P. C. 780-0023, Santiago, Chile
| | - Eugenio Hamm
- Departamento Física, Facultad de Ciencia, Universidad de Santiago de Chile, av. Ecuador 3493, Estación Central, Santiago, Chile
| | - Marcela Urzúa
- Departamento de Química, Facultad de Ciencias, Universidad de Chile, Las Palmeras 3425, Santiago, Chile
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Lu Y, Wan Y, Gan D, Zhang Q, Luo H, Deng X, Li Z, Yang Z. Enwrapping Polydopamine on Doxorubicin-Loaded Lamellar Hydroxyapatite/Poly(lactic- co-glycolic acid) Composite Fibers for Inhibiting Bone Tumor Recurrence and Enhancing Bone Regeneration. ACS APPLIED BIO MATERIALS 2021; 4:6036-6045. [PMID: 35006872 DOI: 10.1021/acsabm.1c00297] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Simultaneous prevention of bone tumor recurrence and promotion of repairing bone defects resulting from tumorectomy remain a challenge. Herein, we report a polydopamine (PDA)-coated composite scaffold consisting of doxorubicin (DOX)-loaded lamellar hydroxyapatite (LHAp) and poly(lactic-co-glycolic acid) (PLGA) in an attempt to reach dual functions of tumor inhibition and bone repair. The DOX was intercalated into LHAp, and the DOX-loaded LHAp was incorporated into PLGA solution to prepare a DOX-intercalated LHAp/PLGA (labeled as DH/PLGA) scaffold that was coated with PDA to obtain a PDA@DH/PLGA scaffold. The morphology, structure, wettability, mechanical properties, drug release, biocompatibility, and in vitro and in vivo bioactivities of the PDA@DH/PLGA scaffold were evaluated. It is found that PDA coating not only improves hydrophilicity and mechanical properties, but also leads to more sustainable drug release. More importantly, the PDA@DH/PLGA scaffold shows significantly inhibited growth of tumor cells initially and subsequent improved adhesion and proliferation of osteoblasts. In addition, the PDA coating improves the bioactivity of the DH/PLGA scaffold as suggested by the in vitro biomineralization. Further in vivo study demonstrates the improved bone growth around PDA@DH/PLGA over DH/PLGA after 20 days of drug release. The dual functional PDA@DH/PLGA scaffold shows great promise in the treatment of bone tumor.
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Affiliation(s)
- Ying Lu
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Yizao Wan
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China.,School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Deqiang Gan
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Quanchao Zhang
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Honglin Luo
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Xiaoyan Deng
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Zhen Li
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
| | - Zhiwei Yang
- Jiangxi Key Laboratory of Nanobiomaterials, Institute of Advanced Materials, East China Jiaotong University, Nanchang 330013, China
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He M, Gao X, Fan Y, Xie L, Yang M, Tian W. Tannic acid/Mg 2+-based versatile coating to manipulate the osteoimmunomodulation of implants. J Mater Chem B 2021; 9:1096-1106. [PMID: 33427278 DOI: 10.1039/d0tb01577f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Instead of directly stimulating osteogenesis, endowing an implant surface with a favourable osteoimmunomodulatory (OIM) function has emerged as a new effective strategy to enhance osteointegration. Though metal-phenolic coatings have demonstrated to possess an immunomodulatory function, their potential application in manipulating an osteoimmune response has not been well explored. Herein, in order to develop a simple, rapid and universal coating method to impart excellent OIM to hard tissue implants, tannic acid (TA) and Mg2+ were selected to form a coating on Ti plate based on metal-phenolic chemistry. Besides its virtues of simplicity, ultrafastness, low-cost, and versatility, another merit for the coating method is that it can easily combine the unique functions of metal ions and phenolic ligands. The chelated Mg2+ can not only activate macrophage polarization towards the anti-inflammatory phenotype but also directly stimulate the osteogenic differentiation of bone marrow-derived stem cells (BMSCs). TA motifs rendered the coating with an excellent reactive oxygen species (ROS) scavenging capacity. TA and Mg2+ showed synergistic effects on regulating macrophage biological behaviour, suppressing its polarization towards the M1 phenotype, and promoting its polarization towards the M2 phenotype. In vivo histological analysis also demonstrated that the TA/Mg2+ coating could effectively inhibit the host response. Finally, the formed osteoimmune environment obviously enhanced the osteogenic differentiation of BMSCs. The above results demonstrated that the designed TA/Mg2+ coating not only possessed the function of directly stimulating osteogenesis but also the function of manipulating OIM to a desired one. Hence, it has great potential to be applied on advanced hard tissue implants to enhance osteointegration.
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Affiliation(s)
- Min He
- Engineering Research Center of Oral Translational Medicine, Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan 610041, China.
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Fibroblast cell derived extracellular matrix containing electrospun scaffold as a hybrid biomaterial to promote in vitro endothelial cell expansion and functionalization. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 120:111659. [DOI: 10.1016/j.msec.2020.111659] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 10/15/2020] [Accepted: 10/17/2020] [Indexed: 01/19/2023]
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13
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Shi SW, Yin HM, Zheng GS, Su K, Gao SY, Liao GQ, Liu W, Zheng ZL, Xu JZ, Li X. Promoted Bone Regeneration by 3D-Printed Porous Scaffolds with the Synergy of a Nanotopological Morphology and Amino Modification. ACS APPLIED BIO MATERIALS 2020; 3:8627-8639. [DOI: 10.1021/acsabm.0c01024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Shan-Wei Shi
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Hua-Mo Yin
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Guang-Sen Zheng
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Kai Su
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Si-Yong Gao
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Gui-Qing Liao
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
| | - Wei Liu
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Zi-Li Zheng
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Jia-Zhuang Xu
- College of Polymer Science and Engineering and State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, China
| | - Xiang Li
- Department of Oral and Maxillofacial Surgery, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-sen University, Guangzhou 510055, China
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14
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Yang S, Huang Y, Jian P, Xie Z, Wu Y, Li H, Zeng R, SiTU F, Tu M. Enhanced cell affinity and osteogenic differentiation of liquid crystal-based substrate via surface bio-functionalization. J Biomed Mater Res A 2020; 109:938-950. [PMID: 32786167 DOI: 10.1002/jbm.a.37084] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Revised: 07/26/2020] [Accepted: 07/28/2020] [Indexed: 11/10/2022]
Abstract
Regulation of cell-substrate interactions is an important factor for modulating cell behaviors. Tailoring the physical and chemical properties of the substrates to better mimic the extracellular matrix (ECM) of native tissue is a more effective strategy for enhancing the cell-substrate contact. In current work, we aim at improving surface bioactivity based on the liquid crystalline substrates for the enhancement in cell affinity and osteogenic differentiation. Polydopamine (PDOPA) adhesive coating was used as a reactive platform for the immobilization of chitooligosaccharide (COS) on the octyl hydroxypropyl cellulose ester (OPC) substrate to generate active OPC-PDOPA-COSs liquid crystalline substrates. Results demonstrated that PDOPA-coated OPC surfaces showed remarkably improved hydrophility and increased elastic modulus, leading to better initial cell attachment. Subsequent COS immobilization on the OPC-PDOPA layer could induce promotion of cell proliferation, polarization and cytoskeleton formation. Rat bone marrow mesenchymal stem cells (rBMSCs) seeded on the OPC-PDOPA-COSs showed higher alkaline phosphatase (ALP) activity, calcium deposition, and up-regulated bone-related genes expression, including BMP-2, RUNx-2, COL-I and OCN. In conclusion, surface biofunctionalization on the OPC-based liquid crystalline substrates could come into being the appropriate combination of surface chemistry and liquid crystalline characteristic that simulating in vivo ECM environment, resulting in a favorable support to enhance positive cell-substrate interactions.
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Affiliation(s)
- Shenyu Yang
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China.,The First Affiliated Hospital, Jinan University, Guangzhou, China
| | - Yiping Huang
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Peishan Jian
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Zheng Xie
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Youheng Wu
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Haoying Li
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Rong Zeng
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
| | - Fangmin SiTU
- College of Chinese and Culture, Jinan University, Guangzhou, China
| | - Mei Tu
- Department of Materials Science and Engineering, Jinan University, Guangzhou, China.,Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, China
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15
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Sreeja S, Muraleedharan C, Varma PH, Sailaja G. Surface-transformed osteoinductive polyethylene terephthalate scaffold as a dual system for bone tissue regeneration with localized antibiotic delivery. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110491. [DOI: 10.1016/j.msec.2019.110491] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 11/23/2019] [Accepted: 11/24/2019] [Indexed: 02/07/2023]
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16
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Amirian J, Sultana T, Joo GJ, Park C, Lee BT. In vitro endothelial differentiation evaluation on polycaprolactone-methoxy polyethylene glycol electrospun membrane and fabrication of multilayered small-diameter hybrid vascular graft. J Biomater Appl 2020; 34:1395-1408. [DOI: 10.1177/0885328220907775] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jhaleh Amirian
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Ssangyoung-Dong, Chungnam, Cheonan City, Republic of Korea
| | - Tamanna Sultana
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Ssangyoung-Dong, Chungnam, Cheonan City, Republic of Korea
| | - Gyeong J Joo
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Ssangyoung-Dong, Chungnam, Cheonan City, Republic of Korea
| | - Chanmi Park
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Ssangyoung-Dong, Chungnam, Cheonan City, Republic of Korea
| | - Byong-Taek Lee
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Ssangyoung-Dong, Chungnam, Cheonan City, Republic of Korea
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17
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Chen R, Li L, Feng L, Luo Y, Xu M, Leong KW, Yao R. Biomaterial-assisted scalable cell production for cell therapy. Biomaterials 2019; 230:119627. [PMID: 31767445 DOI: 10.1016/j.biomaterials.2019.119627] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 11/01/2019] [Accepted: 11/11/2019] [Indexed: 12/24/2022]
Abstract
Cell therapy, the treatment of diseases using living cells, offers a promising clinical approach to treating refractory diseases. The global market for cell therapy is growing rapidly, and there is an increasing demand for automated methods that can produce large quantities of high quality therapeutic cells. Biomaterials can be used during cell production to establish a biomimetic microenvironment that promotes cell adhesion and proliferation while maintaining target cell genotype and phenotype. Here we review recent progress and emerging techniques in biomaterial-assisted cell production. The increasing use of auxiliary biomaterials and automated production methods provides an opportunity to improve quality control and increase production efficiency using standardized GMP-compliant procedures.
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Affiliation(s)
- Ruoyu Chen
- Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Ling Li
- Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Lu Feng
- Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Yixue Luo
- Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Mingen Xu
- Key Laboratory of Medical Information and 3D Bioprinting of Zhejiang Province, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Kam W Leong
- Department of Biomedical Engineering, Columbia University, New York, NY, 10027, USA.
| | - Rui Yao
- Key Laboratory for Advanced Materials Processing Technology of Ministry of Education, Biomanufacturing and Rapid Forming Technology Key Laboratory of Beijing, Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China.
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18
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Ma P, Gou S, Ma Y, Chen Q, Zhu S, Chen J, Kang Y, Xiao B. Modulation of drug release by decoration with Pluronic F127 to improve anti-colon cancer activity of electrospun fibrous meshes. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:591-598. [DOI: 10.1016/j.msec.2019.01.130] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 08/16/2018] [Accepted: 01/29/2019] [Indexed: 12/24/2022]
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19
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Souza DCD, Abreu HDLD, Oliveira PVD, Capelo LP, Passos-Bueno MR, Catalani LH. A fast degrading PLLA composite with a high content of functionalized octacalcium phosphate mineral phase induces stem cells differentiation. J Mech Behav Biomed Mater 2019; 93:93-104. [DOI: 10.1016/j.jmbbm.2019.02.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 02/02/2019] [Accepted: 02/03/2019] [Indexed: 01/24/2023]
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20
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Li W, Yang X, Feng S, Yang S, Zeng R, Tu M. The fabrication of biomineralized fiber-aligned PLGA scaffolds and their effect on enhancing osteogenic differentiation of UCMSC cells. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2018; 29:117. [PMID: 30027312 DOI: 10.1007/s10856-018-6114-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2017] [Accepted: 06/19/2018] [Indexed: 06/08/2023]
Abstract
The key factor of scaffold design for bone tissue engineering is to mimic the microenvironment of natural bone extracellular matrix (ECM) and guide cell osteogenic differentiation. The biomineralized fiber-aligned PLGA scaffolds (a-PLGA/CaPs) was developed in this study by mimicking the structure and composition of native bone ECM. The aligned PLGA fibers was prepared by wet spinning and then biomineralized via an alternate immersion method. Introduction of a bioceramic component CaP onto the PLGA fibers led to changes in surface roughness and hydrophilicity, which showed to modulate cell adhesion and cell morphology of umbilical cord mesenchymal stem cells (UCMSCs). It was found that organized actin filaments of UCMSCs cultured on both a-PLGA and a-PLGA/CaP scaffolds appeared to follow contact guidance along the aligned fibers, and those cells grown on a-PLGA/CaP scaffolds exhibited a more polarized cellular morphology. The a-PLGA/CaP scaffold with multicycles of mineralization facilitated the cell attachment on the fiber surfaces and then supported better cell adhesion and contact guidance, leading to enhancement in following proliferation and osteogenic differentiation of UCMSCs. Our results give some insights into the regulation of cell behaviors through design of ECM-mimicking structure and composition and provide an alternative wet-spun fiber-aligned scaffold with HA-mineralized layer for bone tissue engineering application.
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Affiliation(s)
- Wenqiang Li
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Xiaohui Yang
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Shanbao Feng
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Shenyu Yang
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Rong Zeng
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China
| | - Mei Tu
- Department of Material Science and Engineering, Jinan University, Guangzhou, 510632, People's Republic of China.
- Engineering Research Center of Artificial Organs and Materials, Ministry of Education, Jinan University, Guangzhou, 510632, People's Republic of China.
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21
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Chou YC, Lee D, Chang TM, Hsu YH, Yu YH, Chan EC, Liu SJ. Combination of a biodegradable three-dimensional (3D) – printed cage for mechanical support and nanofibrous membranes for sustainable release of antimicrobial agents for treating the femoral metaphyseal comminuted fracture. J Mech Behav Biomed Mater 2017; 72:209-218. [DOI: 10.1016/j.jmbbm.2017.05.002] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2017] [Revised: 04/28/2017] [Accepted: 05/02/2017] [Indexed: 11/29/2022]
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22
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Li Y, Dai X, Bai Y, Liu Y, Wang Y, Liu O, Yan F, Tang Z, Zhang X, Deng X. Electroactive BaTiO 3 nanoparticle-functionalized fibrous scaffolds enhance osteogenic differentiation of mesenchymal stem cells. Int J Nanomedicine 2017; 12:4007-4018. [PMID: 28603415 PMCID: PMC5457183 DOI: 10.2147/ijn.s135605] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
It has been proven that the surface topographic cues of fiber arrangement can induce osteogenic differentiation of mesenchymal stem cells. However, this effect alone is weak and insufficient to meet the needs of regenerative medicine. In this work, electroactivity concept was introduced to enhance the osteoinductivity of fibrous scaffolds. The randomly oriented and aligned electroactive fibrous scaffolds of poly-(l-lactic acid) (PLLA) with incorporation of ferroelectric ceramic BaTiO3 (BTO) nanoparticles (NPs) were fabricated by electrospinning. Physicochemical properties, including fiber morphology, microstructure, composition, thermal stability, surface roughness, and surface wettability, of these fibrous scaffolds were studied. The dielectric properties of the scaffolds were evaluated. The results showed that the randomly oriented BTO/PLLA composite fibrous scaffolds had the highest dielectric permittivity of 1.19, which is of the same order of magnitude as the natural bone. The combined effects of fiber orientation and electrical activity on the osteogenic responses of bone marrow mesenchymal stem cells (BM-MSCs) were specifically investigated. Randomly oriented composite fibrous scaffolds significantly promoted polygonal spreading and encouraged early osteogenic differentiation in BM-MSCs, whereas aligned composite fibrous scaffolds promoted cell elongation and discouraged osteogenic differentiation. These results evidenced that randomly fiber orientation and biomimetic electric activity have combining effects on osteogenic differentiation of BM-MSCs. Our findings indicate that coupling effects of multi-physical properties should be paid more attention to mimic the microenvironment for enhancing osteogenic differentiation of BM-MSCs.
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Affiliation(s)
- Yiping Li
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha.,Department of Geriatric Dentistry
| | - Xiaohan Dai
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha
| | | | - Yun Liu
- Department of Geriatric Dentistry
| | - Yuehong Wang
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha
| | - Ousheng Liu
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha
| | - Fei Yan
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha
| | - Zhangui Tang
- Department of Prosthodontics, Xiangya Stomatological Hospital & School of Stomatology, Central South University, Changsha
| | - Xuehui Zhang
- Department of Dental Materials & Dental Medical Devices Testing Center, Peking University School and Hospital of Stomatology.,National Engineering Laboratory for Digital and Material Technology of Stomatology.,Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, People's Republic of China
| | - Xuliang Deng
- Department of Geriatric Dentistry.,National Engineering Laboratory for Digital and Material Technology of Stomatology.,Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, People's Republic of China
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23
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Iordanskii AL, Ol’khov AA, Karpova SG, Kucherenko EL, Kosenko RY, Rogovina SZ, Chalykh AE, Berlin AA. Influence of the structure and morphology of ultrathin poly(3-hydroxybutyrate) fibers on the diffusion kinetics and transport of drugs. POLYMER SCIENCE SERIES A 2017. [DOI: 10.1134/s0965545x17030075] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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24
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Rydén L, Omar O, Johansson A, Jimbo R, Palmquist A, Thomsen P. Inflammatory cell response to ultra-thin amorphous and crystalline hydroxyapatite surfaces. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2017; 28:9. [PMID: 27896599 PMCID: PMC5126180 DOI: 10.1007/s10856-016-5814-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2016] [Accepted: 11/08/2016] [Indexed: 05/04/2023]
Abstract
It has been suggested that surface modification with a thin hydroxyapatite (HA) coating enhances the osseointegration of titanium implants. However, there is insufficient information about the biological processes involved in the HA-induced response. This study aimed to investigate the inflammatory cell response to titanium implants with either amorphous or crystalline thin HA. Human mononuclear cells were cultured on titanium discs with a machined surface or with a thin, 0.1 μm, amorphous or crystalline HA coating. Cells were cultured for 24 and 96 h, with and without lipopolysaccharide (LPS) stimulation. The surfaces were characterized with respect to chemistry, phase composition, wettability and topography. Biological analyses included the percentage of implant-adherent cells and the secretion of pro-inflammatory cytokine (TNF-α) and growth factors (BMP-2 and TGF-β1). Crystalline HA revealed a smooth surface, whereas the amorphous HA displayed a porous structure, at nano-scale, and a hydrophobic surface. Higher TNF-α secretion and a higher ratio of adherent cells were demonstrated for the amorphous HA compared with the crystalline HA. TGF-β1 secretion was detected in all groups, but without any difference. No BMP-2 secretion was detected in any of the groups. The addition of LPS resulted in a significant increase in TNF-α in all groups, whereas TGF-β1 was not affected. Taken together, the results show that thin HA coatings with similar micro-roughness but a different phase composition, nano-scale roughness and wettability are associated with different monocyte responses. In the absence of strong inflammatory stimuli, crystalline hydroxyapatite elicits a lower inflammatory response compared with amorphous hydroxyapatite.
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Affiliation(s)
- Louise Rydén
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Box 412, Gothenburg, SE-405 30, Sweden
| | - Omar Omar
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Box 412, Gothenburg, SE-405 30, Sweden.
- BIOMATCELL, VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden.
| | - Anna Johansson
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Box 412, Gothenburg, SE-405 30, Sweden
- BIOMATCELL, VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
| | - Ryo Jimbo
- Department of Oral and Maxillofacial Surgery and Oral Medicine, Faculty of Odontology, Malmö University, Malmö, Sweden
| | - Anders Palmquist
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Box 412, Gothenburg, SE-405 30, Sweden
- BIOMATCELL, VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
| | - Peter Thomsen
- Department of Biomaterials, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, Box 412, Gothenburg, SE-405 30, Sweden
- BIOMATCELL, VINN Excellence Center of Biomaterials and Cell Therapy, Gothenburg, Sweden
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25
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Arora A, Kothari A, Katti DS. Pericellular plasma clot negates the influence of scaffold stiffness on chondrogenic differentiation. Acta Biomater 2016; 46:68-78. [PMID: 27693666 DOI: 10.1016/j.actbio.2016.09.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Revised: 09/26/2016] [Accepted: 09/27/2016] [Indexed: 11/26/2022]
Abstract
Matrix stiffness is known to play a pivotal role in cellular differentiation. Studies have shown that soft scaffolds (<2-3kPa) promote cellular aggregation and chondrogenesis, whereas, stiffer ones (>10kPa) show poor chondrogenesis in vitro. In this work we investigated if fibrin matrix from clotted blood can act as a soft surrogate which nullifies the influence of the underlying stiff scaffold, thus promoting chondrogenesis irrespective of bulk scale scaffold stiffness. For this we performed in vitro chondrogenesis on soft (∼1.5kPa) and stiff (∼40kPa) gelatin scaffolds in the presence and absence of pericellular plasma clot. Our results demonstrated that in absence of pericellular plasma clot, chondrocytes showed efficient condensation and cartilaginous matrix secretion only on soft scaffolds, whereas, in presence of pericellular plasma clot, cell rounding and cartilaginous matrix secretion was observed in both soft and stiff scaffolds. More specifically, significantly higher collagen II, chondroitin sulfate and aggrecan deposition was observed in soft scaffolds, and soft and stiff scaffolds with pericellular plasma clot as compared to stiff scaffolds without pericellular plasma clot. Moreover, collagen type I, a fibrocartilage/bone marker was significantly higher only in stiff scaffolds without plasma clot. Therefore, it can be concluded that chondrocytes surrounded by a soft fibrin network were unable to sense the stiffness of the underlying scaffold/substrate and hence facilitate chondrogenesis even on stiff scaffolds. This understanding can have significant implications in the design of scaffolds for cartilage tissue engineering. STATEMENT OF SIGNIFICANCE Cell fate is influenced by the mechanical properties of cell culture substrates. Outside the body, cartilage progenitor cells express significant amounts of cartilage-specific markers on soft scaffolds but not on stiff scaffolds. However, when implanted in joints, stiff scaffolds show equivalent expression of markers as seen in soft scaffolds. This disparity in existing literature prompted our study. Our results suggest that encapsulation of cells in a soft plasma clot, present in any surgical intervention, prevents their perception of stiffness of the underlying scaffold, and hence the ability to distinguish between soft and stiff scaffolds vanishes. This finding would aid the design of new scaffolds that elicit cartilage-like biochemical properties while simultaneously being mechanically comparable to cartilage tissue.
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26
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Arora A, Katti DS. Understanding the influence of phosphorylation and polysialylation of gelatin on mineralization and osteogenic differentiation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 65:9-18. [DOI: 10.1016/j.msec.2016.04.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2015] [Revised: 03/29/2016] [Accepted: 04/06/2016] [Indexed: 11/28/2022]
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27
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Bhattacharjee A, Kumar K, Arora A, Katti DS. Fabrication and characterization of Pluronic modified poly(hydroxybutyrate) fibers for potential wound dressing applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 63:266-73. [DOI: 10.1016/j.msec.2016.02.074] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2015] [Revised: 02/15/2016] [Accepted: 02/26/2016] [Indexed: 11/27/2022]
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28
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Zhao C, Andersen H, Ozyilmaz B, Ramaprabhu S, Pastorin G, Ho HK. Spontaneous and specific myogenic differentiation of human mesenchymal stem cells on polyethylene glycol-linked multi-walled carbon nanotube films for skeletal muscle engineering. NANOSCALE 2015; 7:18239-18249. [PMID: 26486984 DOI: 10.1039/c5nr04303d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This study explored the influence of polyethylene glycol-linked multi-walled carbon nanotube (PEG-CNT) films on skeletal myogenic differentiation of human mesenchymal stem cells (hMSCs). PEG-CNT films were prepared with nanoscale surface roughness, orderly arrangement of PEG-CNTs, high hydrophilicity and high mechanical strength. Notably, PEG-CNT films alone could direct the skeletal myogenic differentiation of hMSCs in the absence of myogenic induction factors. The quantitative real-time polymerase chain reaction (RT-PCR) showed that the non-induced hMSCs plated on the PEG-CNT films, compared to the negative control, presented significant up-regulation of general myogenic markers including early commitment markers of myoblast differentiation protein-1 (MyoD) and desmin, as well as a late phase marker of myosin heavy chain-2 (MHC). Corresponding protein analysis by immunoblot assays corroborated these results. Skeletal muscle-specific markers, fast skeletal troponin-C (TnC) and ryanodine receptor-1 (Ryr) were also significantly increased in the non-induced hMSCs on PEG-CNT films by RT-PCR. For these cells, the commitment to specific skeletal myoblasts was further proved by the absence of enhanced adipogenic, chondrogenic and osteogenic markers. This study elucidated that PEG-CNT films supported a dedicated differentiation of hMSCs into a skeletal myogenic lineage and can work as a promising material towards skeletal muscle injury repair.
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Affiliation(s)
- Chunyan Zhao
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore 117543. and NanoCore, Engineering Block A, EA, Faculty of Engineering, National University of Singapore, Singapore 117576
| | - Henrik Andersen
- Department of Physics, National University of Singapore, Singapore 117542 and Graphene Research Center, National University of Singapore, Singapore 117546
| | - Barbaros Ozyilmaz
- Department of Physics, National University of Singapore, Singapore 117542 and Graphene Research Center, National University of Singapore, Singapore 117546
| | - Sundara Ramaprabhu
- Department of Physics, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Giorgia Pastorin
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore 117543. and NanoCore, Engineering Block A, EA, Faculty of Engineering, National University of Singapore, Singapore 117576
| | - Han Kiat Ho
- Department of Pharmacy, Faculty of Science, National University of Singapore, Singapore 117543.
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Chen WC, Ko CL, Yang JK, Wu HY, Lin JH. Comparison and preparation of multilayered polylactic acid fabric strengthen calcium phosphate-based bone substitutes for orthopedic applications. J Artif Organs 2015; 19:70-9. [PMID: 26280316 DOI: 10.1007/s10047-015-0863-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Accepted: 08/04/2015] [Indexed: 11/28/2022]
Abstract
An attempt to maintain the three-dimensional space into restorative sites through the conveniently pack porous fillers are general used strategy. Advancement in the manufacturing protective shells in the scaffolds, which would be filled with brittle ceramic grafts for the development of highly connective pores provides the approach to solve crack problem for generating the tissues. Therefore, multilayered braided and alkalized poly(lactic acid) (PLA) composites with calcium phosphate bone cement (CPC) were synthesized and compared. The PLA/CPC composites were divided into various groups according to a series of heat-treatment temperatures (100-190 °C) and periods (1-3 h) and then characterized. The effects of 24-h immersion on the strength decay resistance of the samples were compared. Results showed that the residual oil capped on the surfaces of alkalized PLA braid was removed, and the structure was unaltered. However, the reduced tensile stress of alkalized PLA braids was due to ester-group formation by hydrolysis. Mechanical test results of PLA/CPC composites showed that the strength significantly increased after heat treatment, except when the heating temperature was higher than the PLA melting point at approximately 160-170 °C. The degree of PLA after recrystallization became higher than that of unheated composites, thereby leading to reduced strength and toughness of the specimen. Braiding fibers of biodegradable PLA reinforced and toughened the structure particularly of the extra-brittle material of thin-sheet CPC after implantation.
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Affiliation(s)
- Wen-Cheng Chen
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan.
| | - Chia-Ling Ko
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan
| | - Jia-Kai Yang
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan
| | - Hui-Yu Wu
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan
| | - Jia-Horng Lin
- Advanced Medical Devices and Composites Laboratory, Department of Fiber and Composite Materials, Feng Chia University, 100, Wenhwa Rd., Seatwen, Taichung, 40724, Taiwan.,School of Chinese Medicine, China Medical University, Taichung, 40402, Taiwan.,Department of Biotechnology, Asia University, Taichung, 41354, Taiwan
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Pullulan-based composite scaffolds for bone tissue engineering: Improved osteoconductivity by pore wall mineralization. Carbohydr Polym 2015; 123:180-9. [DOI: 10.1016/j.carbpol.2015.01.038] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2014] [Revised: 01/20/2015] [Accepted: 01/23/2015] [Indexed: 11/23/2022]
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Serafim A, Cecoltan S, Lungu A, Vasile E, Iovu H, Stancu IC. Electrospun fish gelatin fibrous scaffolds with improved bio-interactions due to carboxylated nanodiamond loading. RSC Adv 2015. [DOI: 10.1039/c5ra14361f] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
This work emphasizes the potential of COOH-functionalized nanodiamond (NDs) particles to improve bio-interactions when embedded into fish gelatin electrospun fibers.
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Affiliation(s)
- A. Serafim
- Advanced Polymer Materials Group
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
| | - S. Cecoltan
- Advanced Polymer Materials Group
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
| | - A. Lungu
- Advanced Polymer Materials Group
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
| | - E. Vasile
- University Politehnica of Bucharest
- Faculty of Applied Chemistry and Materials Science
- Department of Science and Engineering of Oxide Materials and Nanomaterials
- 011061 Bucharest
- Romania
| | - H. Iovu
- Advanced Polymer Materials Group
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
| | - I. C. Stancu
- Advanced Polymer Materials Group
- Faculty of Applied Chemistry and Materials Science
- University Politehnica of Bucharest
- 011061 Bucharest
- Romania
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