1
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Yaneva Z, Ivanova D, Nikolova N, Toneva M. Organic dyes in contemporary medicinal chemistry and biomedicine. I. From the chromophore to the bioimaging/bioassay agent. BIOTECHNOL BIOTEC EQ 2022. [DOI: 10.1080/13102818.2022.2039077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Zvezdelina Yaneva
- Department of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
| | - Donika Ivanova
- Department of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
| | - Nevena Nikolova
- Ecology Unit, Department of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
| | - Monika Toneva
- Department of Pharmacology, Animal Physiology, Biochemistry and Chemistry, Faculty of Veterinary Medicine, Trakia University, Stara Zagora, Bulgaria
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2
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Chemical modification, electrospinning and biological activities of pluronic F68. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04356-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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3
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Sangkert S, Juncheed K, Meesane J. Osteoconductive Silk Fibroin Binders for Bone Repair in Alveolar Cleft Palate: Fabrication, Structure, Properties, and In Vitro Testing. J Funct Biomater 2022; 13:jfb13020080. [PMID: 35735935 PMCID: PMC9224859 DOI: 10.3390/jfb13020080] [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: 04/19/2022] [Revised: 05/25/2022] [Accepted: 06/08/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoconductive silk fibroin (SF) binders were fabricated for the bone repair of an alveolar cleft defect. Binders were prefigureared by mixing different ratios of a mixture of random coils and SF aggregation with SF fibrils: 100:0 (SFB100), 75:25 (SFB75), 50:50 (SFB50), 25:75 (SFB25), and 0:100 (SFB0). The gelation, molecular organization, structures, topography, and morphology of the binders were characterized and observed. Their physical, mechanical, and biological properties were tested. The SF binders showed gelation via self-assembly of SF aggregation and fibrillation. SFB75, SFB50, and SFB25 had molecular formation via the amide groups and showed more structural stability than SFB100. The morphology of SFB0 demonstrated the largest pore size. SFB0 showed a lowest hydrophilicity. SFB100 showed the highest SF release. SFB25 had the highest maximum load. SFB50 exhibited the lowest elongation at break. Binders with SF fibrils showed more cell viability and higher cell proliferation, ALP activity, calcium deposition, and protein synthesis than without SF fibrils. Finally, the results were deduced: SFB25 demonstrated suitable performance that is promising for the bone repair of an alveolar cleft defect.
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4
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Golipour H, Ezzatzadeh E, Sadeghianmaryan A. Investigation of co‐electrospun gelatin:
TiO
2
/polycaprolactone:silk fibroin scaffolds for wound healing applications. J Appl Polym Sci 2022. [DOI: 10.1002/app.52505] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Hassan Golipour
- Department of Chemistry, Ardabil Branch Islamic Azad University Ardabil Iran
| | - Elham Ezzatzadeh
- Department of Chemistry, Ardabil Branch Islamic Azad University Ardabil Iran
| | - Ali Sadeghianmaryan
- Department of Chemistry, Ardabil Branch Islamic Azad University Ardabil Iran
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5
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Wattanaanek N, Suttapreyasri S, Samruajbenjakun B. 3D Printing of Calcium Phosphate/Calcium Sulfate with Alginate/Cellulose-Based Scaffolds for Bone Regeneration: Multilayer Fabrication and Characterization. J Funct Biomater 2022; 13:47. [PMID: 35645255 PMCID: PMC9149863 DOI: 10.3390/jfb13020047] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/15/2022] [Accepted: 04/22/2022] [Indexed: 12/23/2022] Open
Abstract
Congenital abnormalities, trauma, and disease result in significant demands for bone replacement in the craniofacial region and across the body. Tetra-compositions of organic and inorganic scaffolds could provide advantages for bone regeneration. This research aimed to fabricate and characterize amorphous calcium phosphate (ACP)/calcium sulfate hemihydrate (CSH) with alginate/cellulose composite scaffolds using 3D printing. Alginate/cellulose gels were incorporated with 0%, 13%, 15%, 18%, 20%, and 23% ACP/CSH using the one-pot process to improve morphological, physiochemical, mechanical, and biological properties. SEM displayed multi-staggered filament layers with mean pore sizes from 298 to 377 μm. A profilometer revealed mean surface roughness values from 43 to 62 nm that were not statistically different. A universal test machine displayed the highest compressive strength and modulus with a statistical significance in the 20% CP/CS group. FTIR spectroscopy showed peaks in carbonate, phosphate, and sulfate groups that increased as more ACP/CSH was added. Zero percent of ACP/CSH showed the highest swelling and lowest remaining weight after degradation. The 23% ACP/CSH groups cracked after 60 days. In vitro biocompatibility testing used the mouse osteoblast-like cell line MC3T3-E1. The 18% and 20% ACP/CSH groups showed the highest cell proliferation on days five and seven. The 20% ACP/CSH was most suitable for bone cell regeneration.
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Affiliation(s)
- Nattanan Wattanaanek
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand;
| | - Srisurang Suttapreyasri
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand;
| | - Bancha Samruajbenjakun
- Orthodontic Section, Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai 90112, Songkhla, Thailand;
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6
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Atif R, Khaliq J, Combrinck M, Hassanin AH, Shehata N, Elnabawy E, Shyha I. Solution Blow Spinning of Polyvinylidene Fluoride Based Fibers for Energy Harvesting Applications: A Review. Polymers (Basel) 2020; 12:E1304. [PMID: 32517387 PMCID: PMC7362018 DOI: 10.3390/polym12061304] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 04/14/2020] [Accepted: 04/22/2020] [Indexed: 12/31/2022] Open
Abstract
Polyvinylidene fluoride (PVDF)-based piezoelectric materials (PEMs) have found extensive applications in energy harvesting which are being extended consistently to diverse fields requiring strenuous service conditions. Hence, there is a pressing need to mass produce PVDF-based PEMs with the highest possible energy harvesting ability under a given set of conditions. To achieve high yield and efficiency, solution blow spinning (SBS) technique is attracting a lot of interest due to its operational simplicity and high throughput. SBS is arguably still in its infancy when the objective is to mass produce high efficiency PVDF-based PEMs. Therefore, a deeper understanding of the critical parameters regarding design and processing of SBS is essential. The key objective of this review is to critically analyze the key aspects of SBS to produce high efficiency PVDF-based PEMs. As piezoelectric properties of neat PVDF are not intrinsically much significant, various additives are commonly incorporated to enhance its piezoelectricity. Therefore, PVDF-based copolymers and nanocomposites are also included in this review. We discuss both theoretical and experimental results regarding SBS process parameters such as solvents, dissolution methods, feed rate, viscosity, air pressure and velocity, and nozzle design. Morphological features and mechanical properties of PVDF-based nanofibers were also discussed and important applications have been presented. For completeness, key findings from electrospinning were also included. At the end, some insights are given to better direct the efforts in the field of PVDF-based PEMs using SBS technique.
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Affiliation(s)
- Rasheed Atif
- Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (J.K.); (M.C.); (I.S.)
| | - Jibran Khaliq
- Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (J.K.); (M.C.); (I.S.)
| | - Madeleine Combrinck
- Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (J.K.); (M.C.); (I.S.)
| | - Ahmed H. Hassanin
- Center of Smart Nanotechnology and Photonics (CSNP), Smart CI Research Center, Alexandria University, Alexandria 21544, Egypt; (A.H.H.); (N.S.); (E.E.)
- Department of Textile Engineering, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt
| | - Nader Shehata
- Center of Smart Nanotechnology and Photonics (CSNP), Smart CI Research Center, Alexandria University, Alexandria 21544, Egypt; (A.H.H.); (N.S.); (E.E.)
- Department of Engineering Mathematics and Physics, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt
- USTAR Bioinnovations Center, Faculty of Science, Utah State University, Logan, UT 84341, USA
- Kuwait College of Science and Technology (KCST), Doha District 13133, Kuwait
| | - Eman Elnabawy
- Center of Smart Nanotechnology and Photonics (CSNP), Smart CI Research Center, Alexandria University, Alexandria 21544, Egypt; (A.H.H.); (N.S.); (E.E.)
| | - Islam Shyha
- Department of Mechanical and Construction Engineering, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne NE1 8ST, UK; (J.K.); (M.C.); (I.S.)
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Sangkert S, Kamolmatyakul S, Meesane J. The bone-mimicking effect of calcium phosphate on composite chitosan scaffolds in maxillofacial bone tissue engineering. J Appl Biomater Funct Mater 2020; 18:2280800019893204. [PMID: 32297820 DOI: 10.1177/2280800019893204] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This research explored a new trend in biomaterials science. The bone-mimicking effect of calcium phosphate on chitosan composite scaffolds was evaluated. Chitosan with 2% calcium phosphate was found to have suitable bone-mimicking performance for maxillofacial bone tissue engineering.
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Affiliation(s)
- Supaporn Sangkert
- Institute of Biomedical Engineering, Prince of Songkla University, Hat Yai, Thailand
| | | | - Jirut Meesane
- Institute of Biomedical Engineering, Prince of Songkla University, Hat Yai, Thailand
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8
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Suryavanshi A, Khanna K, Sindhu KR, Bellare J, Srivastava R. Development of bone screw using novel biodegradable composite orthopedic biomaterial: from material design to
in vitro
biomechanical and
in vivo
biocompatibility evaluation. Biomed Mater 2019; 14:045020. [DOI: 10.1088/1748-605x/ab16be] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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9
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Dalgic AD, Atila D, Karatas A, Tezcaner A, Keskin D. Diatom shell incorporated PHBV/PCL-pullulan co-electrospun scaffold for bone tissue engineering. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:735-746. [DOI: 10.1016/j.msec.2019.03.046] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 03/12/2019] [Accepted: 03/12/2019] [Indexed: 12/23/2022]
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10
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Tandon B, Kamble P, Olsson RT, Blaker JJ, Cartmell SH. Fabrication and Characterisation of Stimuli Responsive Piezoelectric PVDF and Hydroxyapatite-Filled PVDF Fibrous Membranes. Molecules 2019; 24:E1903. [PMID: 31108899 PMCID: PMC6571942 DOI: 10.3390/molecules24101903] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/13/2019] [Accepted: 05/14/2019] [Indexed: 11/18/2022] Open
Abstract
Poly(vinylidene fluoride) has attracted interest from the biomaterials community owing to its stimuli responsive piezoelectric property and promising results for application in the field of tissue engineering. Here, solution blow spinning and electrospinning were employed to fabricate PVDF fibres and the variation in resultant fibre properties assessed. The proportion of piezoelectric β-phase in the solution blow spun fibres was higher than electrospun fibres. Fibre production rate was circa three times higher for solution blow spinning compared to electrospinning for the conditions explored. However, the solution blow spinning method resulted in higher fibre variability between fabricated batches. Fibrous membranes are capable of generating different cellular response depending on fibre diameter. For this reason, electrospun fibres with micron and sub-micron diameters were fabricated, along with successful inclusion of hydroxyapatite particles to fabricate stimuli responsive bioactive fibres.
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Affiliation(s)
- Biranche Tandon
- School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
- Bio-Active Materials Group, School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
| | - Prashant Kamble
- School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
| | - Richard T Olsson
- Department of Fibre and Polymer Technology, School of Chemical Science and Engineering, KTH Royal Institute of Technology, Teknikringen 56, SE-10044 Stockholm, Sweden.
| | - Jonny J Blaker
- School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
- Bio-Active Materials Group, School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
| | - Sarah H Cartmell
- School of Materials, MSS Tower, The University of Manchester, Manchester M13 9PL, UK.
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11
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Alissa Alam H, Dalgic AD, Tezcaner A, Ozen C, Keskin D. A comparative study of monoaxial and coaxial PCL/gelatin/Poloxamer 188 scaffolds for bone tissue engineering. INT J POLYM MATER PO 2019. [DOI: 10.1080/00914037.2019.1581198] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Hani Alissa Alam
- Graduate Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara, Turkey
| | - Ali Deniz Dalgic
- MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
| | - Aysen Tezcaner
- Graduate Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
| | - Can Ozen
- Graduate Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
- Central Laboratory, Middle East Technical University, Ankara, Turkey
| | - Dilek Keskin
- Graduate Department of Biotechnology, Middle East Technical University, Ankara, Turkey
- MODSIMMER, Modeling and Simulation Research & Development Center, Middle East Technical University, Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, Ankara, Turkey
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara, Turkey
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12
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Suryavanshi A, Khanna K, Sindhu KR, Bellare J, Srivastava R. Magnesium oxide nanoparticle-loaded polycaprolactone composite electrospun fiber scaffolds for bone-soft tissue engineering applications: in-vitro and in-vivo evaluation. ACTA ACUST UNITED AC 2017; 12:055011. [PMID: 28944766 DOI: 10.1088/1748-605x/aa792b] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The objective of the present investigation was to assess the potential of magnesium oxide nanoparticle (MgO NP)-loaded electrospun polycaprolactone (PCL) polymer composites as a bone-soft tissue engineering scaffold. MgO NPs were synthesized using a hydroxide precipitation sol-gel method and characterized using field emission gun-scanning electron microscopy/energy-dispersive x-ray spectroscopy (FEG-SEM/EDS), field emission gun-transmission electron microscopy (FEG-TEM), and x-ray diffraction (XRD) analysis. PCL and MgO-PCL nanocomposite fibers were fabricated using electrospinning with trifluoroethanol as solvent at 19 kV applied voltage and 1.9 ml h-1 flow rate as optimized process parameters, and were characterized by FEG-TEM, FEG-SEM/EDS, XRD, and differential scanning calorimetry analyses. Characterization studies of as-synthesized nanoparticles revealed diffraction peaks indexed to various crystalline planes peculiar to MgO particles with hexagonal and cubical shape, and 40-60 nm size range. Significant improvement in mechanical properties (tensile strength and elastic modulus) of nanocomposites was observed as compared to neat polymer specimens (fourfold and threefold, respectively), due to uniform dispersion of nanofillers along the polymer fiber length. There was a remarkable bioactivity shown by nanocomposite scaffolds in immersion test, as indicated by formation of surface hydroxyapatite layer by the third day of incubation. MgO-loaded electrospun PCL mats showed enhanced in-vitro biological performance with osteoblast-like MG-63 cells in terms of adhesion, proliferation, and marked differentiation marker activity owing to greater surface roughness, nanotopography, and hydrophilicity facilitating higher protein adsorption. In-vivo subcutaneous implantation study in Sprague Dawley rats revealed initial moderate inflammatory tissue response near implant site at the second week timepoint that subsided later (eighth week) with no adverse effect on vital organ functionalities as seen in histopathological analysis supported by serum biochemical and hematological parameters which did not deviate significantly from normal physiological range, indicating good biocompatibility in-vivo. Thus, MgO-PCL nanocomposite electrospun fibers have potential as an efficient scaffold material for bone-soft tissue engineering applications.
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Affiliation(s)
- Ajay Suryavanshi
- NanoBios Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Bombay, Mumbai, India
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Sankar S, Sharma CS, Rath SN, Ramakrishna S. Electrospun nanofibres to mimic natural hierarchical structure of tissues: application in musculoskeletal regeneration. J Tissue Eng Regen Med 2017; 12:e604-e619. [DOI: 10.1002/term.2335] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 07/26/2016] [Accepted: 09/26/2016] [Indexed: 01/26/2023]
Affiliation(s)
- Sharanya Sankar
- Department of Biomedical Engineering; Indian Institute of Technology; Telangana Hyderabad India
| | - Chandra S. Sharma
- Department of Chemical Engineering; Indian Institute of Technology; Telangana Hyderabad India
| | - Subha N. Rath
- Department of Biomedical Engineering; Indian Institute of Technology; Telangana Hyderabad India
| | - Seeram Ramakrishna
- Center for Nanofibres & Nanotechnology; National University of Singapore; Singapore
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14
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Sangkert S, Kamonmattayakul S, Lin CW, Meesane J. Modified silk and chitosan scaffolds with collagen assembly for osteoporosis. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2016. [DOI: 10.1680/jbibn.15.00006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Currently, many patients suffer from osteoporosis. Osteoporosis is a disease that leads to bone defect. Severe cases of bone defect from osteoporosis need an operation using a performance scaffold for bone tissue engineering. Therefore, to build a performance scaffold for bone defect from osteoporosis is the target of this research. Samples of silk fibroin and chitosan were fabricated into porous scaffolds before modification by coating with collagen self-assembly. The structure and morphology of the samples were characterized and observed by Fourier transform infrared spectroscopy, atomic force microscopy, and scanning electron microscopy. For biological functionality analysis, MC3T3-E1 osteoblasts were cultured on the samples. Afterward, biodegradation, cell proliferation, viability, and mineralization were analyzed. The results demonstrated that collagen organized into a fibril structure covering the pores of the scaffold. The modified scaffolds showed low degradability, high cell proliferation, viability, and mineralization. The results demonstrated that the modified scaffolds with a coating of mimicked collagen self-assembly had good performance and showed promise for bone tissue engineering in osteoporosis.
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Affiliation(s)
- Supaporn Sangkert
- Biological Materials for Medicine Research Unit, Institute of Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
| | - Suttatip Kamonmattayakul
- Department of Preventive Dentistry, Faculty of Dentistry, Prince of Songkla University, Hat Yai, Thailand
| | - Chai Wen Lin
- Department of General Dental Practice and Oral and Maxillofacial Imaging, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia
| | - Jirut Meesane
- Biological Materials for Medicine Research Unit, Institute of Biomedical Engineering, Faculty of Medicine, Prince of Songkla University, Hat Yai, Thailand
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15
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Hua WD, Chen PP, Xu MQ, Ao Z, Liu Y, Han D, He F. Quantitative description of collagen fibre network on trabecular bone surfaces based on AFM imaging. J Microsc 2015; 262:112-22. [PMID: 26583563 DOI: 10.1111/jmi.12351] [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: 02/17/2015] [Accepted: 10/16/2015] [Indexed: 11/30/2022]
Abstract
The collagen fibre network is an important part of extracellular matrix (ECM) on trabecular bone surface. The geometry features of the network can provide us insights into its physical and physiological properties. However, previous researches have not focused on the geometry and the quantitative description of the collagen fibre network on trabecular bone surface. In this study,we developed a procedure to quantitatively describe the network and verified the validity of the procedure. The experiment proceeds as follow. Atomic force microscopy (AFM) was used to acquire submicron resolution images of the trabecular surface. Then, an image analysing procedure was built to extract important parameters, including, fibre orientation, fibre density, fibre width, fibre crossing numbers, the number of holes formed by fibre s, and the area of holes from AFM images. In order to verify the validity of the parameters extracted by image analysing methods, we adopted two other methods, which are statistical geometry model and computer simulation, to calculate those same parameters and check the consistency of the three methods' results. Statistical tests indicate that there is no significant difference between three groups. We conclude that, (a) the ECM on trabecular surface mainly consists of random collagen fibre network with oriented fibres; (b) our method based on image analysing can be used to characterize quantitative geometry features of the collagen fibre network effectively. This method may provide a basis for quantitative investigating the architecture and function of collagen fibre network.
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Affiliation(s)
- W-D Hua
- Department of Orthopedics, First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China
| | - P-P Chen
- National center for Nanoscience and Technology of China (NCNST), Chinese Academy of Science (CAS), Beijing, China
| | - M-Q Xu
- Department of Orthopedics, First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China
| | - Z Ao
- National center for Nanoscience and Technology of China (NCNST), Chinese Academy of Science (CAS), Beijing, China
| | - Y Liu
- Department of Orthopedics, First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China
| | - D Han
- National center for Nanoscience and Technology of China (NCNST), Chinese Academy of Science (CAS), Beijing, China
| | - F He
- Department of Orthopedics, First Affiliated Hospital, Kunming Medical University, Kunming, Yunnan, China
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16
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Jin Y, Kundu B, Cai Y, Kundu SC, Yao J. Bio-inspired mineralization of hydroxyapatite in 3D silk fibroin hydrogel for bone tissue engineering. Colloids Surf B Biointerfaces 2015. [DOI: 10.1016/j.colsurfb.2015.07.015] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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17
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Sangkert S, Meesane J, Kamonmattayakul S, Chai WL. Modified silk fibroin scaffolds with collagen/decellularized pulp for bone tissue engineering in cleft palate: Morphological structures and biofunctionalities. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 58:1138-49. [PMID: 26478414 DOI: 10.1016/j.msec.2015.09.031] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 07/16/2015] [Accepted: 09/07/2015] [Indexed: 01/20/2023]
Abstract
Cleft palate is a congenital malformation that generates a maxillofacial bone defect around the mouth area. The creation of performance scaffolds for bone tissue engineering in cleft palate is an issue that was proposed in this research. Because of its good biocompatibility, high stability, and non-toxicity, silk fibroin was selected as the scaffold of choice in this research. Silk fibroin scaffolds were prepared by freeze-drying before immerging in a solution of collagen, decellularized pulp, and collagen/decellularized pulp. Then, the immersed scaffolds were freeze-dried. Structural organization in solution was observed by Atomic Force Microscope (AFM). The molecular organization of the solutions and crystal structure of the scaffolds were characterized by Fourier transform infrared (FT-IR) and X-ray diffraction (XRD), respectively. The weight increase of the modified scaffolds and the pore size were determined. The morphology was observed by a scanning electron microscope (SEM). Mechanical properties were tested. Biofunctionalities were considered by seeding osteoblasts in silk fibroin scaffolds before analysis of the cell proliferation, viability, total protein assay, and histological analysis. The results demonstrated that dendrite structure of the fibrils occurred in those solutions. Molecular organization of the components in solution arranged themselves into an irregular structure. The fibrils were deposited in the pores of the modified silk fibroin scaffolds. The modified scaffolds showed a beta-sheet structure. The morphological structure affected the mechanical properties of the silk fibroin scaffolds with and without modification. Following assessment of the biofunctionalities, the modified silk fibroin scaffolds could induce cell proliferation, viability, and total protein particularly in modified silk fibroin with collagen/decellularized pulp. Furthermore, the histological analysis indicated that the cells could adhere in modified silk fibroin scaffolds. Finally, it can be deduced that modified silk fibroin scaffolds with collagen/decellularized pulp had the performance for bone tissue engineering and a promise for cleft palate treatment.
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Affiliation(s)
- Supaporn Sangkert
- Biological Materials for Medicine Research Unit, Faculty of Medicine, Institute of Biomedical Engineering, Prince of Songkla University, Hat Yai, Songkhla90110, Thailand
| | - Jirut Meesane
- Biological Materials for Medicine Research Unit, Faculty of Medicine, Institute of Biomedical Engineering, Prince of Songkla University, Hat Yai, Songkhla90110, Thailand.
| | - Suttatip Kamonmattayakul
- Faculty of Dentistry, Department of Preventive Dentistry, Prince of Songkla University, Hat Yai, Songkhla90110, Thailand
| | - Wen Lin Chai
- Faculty of Dentistry, Department of General Dental Practice and Oral and Maxillofacial Imaging, University of Malaya, Kuala Lumpur, Malaysia
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Koroleva A, Deiwick A, Nguyen A, Schlie-Wolter S, Narayan R, Timashev P, Popov V, Bagratashvili V, Chichkov B. Osteogenic differentiation of human mesenchymal stem cells in 3-D Zr-Si organic-inorganic scaffolds produced by two-photon polymerization technique. PLoS One 2015; 10:e0118164. [PMID: 25706270 PMCID: PMC4338222 DOI: 10.1371/journal.pone.0118164] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Accepted: 01/07/2015] [Indexed: 12/22/2022] Open
Abstract
Two-photon polymerization (2PP) is applied for the fabrication of 3-D Zr-Si scaffolds for bone tissue engineering. Zr-Si scaffolds with 150, 200, and 250 μm pore sizes are seeded with human bone marrow stem cells (hBMSCs) and human adipose tissue derived stem cells (hASCs) and cultured in osteoinductive and control media for three weeks. Osteogenic differentiation of hASCs and hBMSCs and formation of bone matrix is comparatively analyzed via alkaline phosphatase activity (ALP), calcium quantification, osteocalcin staining and scanning electron microscopy (SEM). It is observed that the 150 μm pore size Zr-Si scaffolds support the strongest matrix mineralization, as confirmed by calcium deposition. Analysis of ALP activity, osteocalcin staining and SEM observations of matrix mineralization reveal that mesenchymal stem cells cultured on 3-D scaffolds without osteogenic stimulation spontaneously differentiate towards osteogenic lineage. Nanoindentation measurements show that aging of the 2PP-produced Zr-Si scaffolds in aqueous or alcohol media results in an increase in the scaffold Young's modulus and hardness. Moreover, accelerated formation of bone matrix by hASCs is noted, when cultured on the scaffolds with lower Young's moduli and hardness values (non aged scaffolds) compared to the cells cultured on scaffolds with higher Young's modulus and hardness values (aged scaffolds). Presented results support the potential application of Zr-Si scaffolds for autologous bone tissue engineering.
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Affiliation(s)
| | - Andrea Deiwick
- Nanotechnology Department of Laser Zentrum Hannover, Hannover, Germany
| | - Alexander Nguyen
- Joint Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina, United States of America
| | | | - Roger Narayan
- Joint Department of Biomedical Engineering, North Carolina State University, Raleigh, North Carolina, United States of America
| | - Peter Timashev
- Institute of Laser and Information Technologies, Moscow, Russia
| | - Vladimir Popov
- Institute of Laser and Information Technologies, Moscow, Russia
| | | | - Boris Chichkov
- Nanotechnology Department of Laser Zentrum Hannover, Hannover, Germany
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Augustine R, Kalarikkal N, Thomas S. Advancement of wound care from grafts to bioengineered smart skin substitutes. Prog Biomater 2014; 3:103-113. [PMID: 29470769 PMCID: PMC5299852 DOI: 10.1007/s40204-014-0030-y] [Citation(s) in RCA: 73] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Accepted: 10/31/2014] [Indexed: 11/04/2022] Open
Abstract
This review gives a brief description on the skin and its essential functions, damages or injury which are common to the skin and the role of skin substitute to replace the functions of the skin soon after an injury. Skin substitutes have crucial role in the management of deep dermal and full thickness wounds. At present, there is no skin substitute in the market that can replace all the functions of skin 'and the research is still continuing for a better alternative. This review is an attempt to recollect and report the past efforts including skin grafting and recent trends like use of bioengineered smart skin substitutes in wound care. Incorporation functional moieties like antimicrobials and wound healing agents are also described.
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Affiliation(s)
- Robin Augustine
- International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, Kerala, India
| | - Nandakumar Kalarikkal
- International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, Kerala, India.
- School of Pure and Applied Physics, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, Kerala, India.
| | - Sabu Thomas
- International and Interuniversity Centre for Nanoscience and Nanotechnology, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, Kerala, India.
- School of Chemical Sciences, Mahatma Gandhi University, Priyadarshini Hills P. O., Kottayam, 686 560, Kerala, India.
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Mihailescu M, Popescu RC, Matei A, Acasandrei A, Paun IA, Dinescu M. Investigation of osteoblast cells behavior in polymeric 3D micropatterned scaffolds using digital holographic microscopy. APPLIED OPTICS 2014; 53:4850-4858. [PMID: 25090313 DOI: 10.1364/ao.53.004850] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2014] [Accepted: 06/17/2014] [Indexed: 06/03/2023]
Abstract
The effect of micropatterned polymeric scaffolds on the features of the cultured cells at different time intervals after seeding was investigated by digital holographic microscopy. Both parallel and perpendicular walls, with different heights, were fabricated using two-photon lithography on photopolymers. The walls were subsequently coated with polypyrrole-based thin films using the matrix assisted pulsed laser evaporation technique. Osteoblast-like cells, MG-63 line, were cultured on these polymeric 3D micropatterned scaffolds. To analyze these scaffolds with/without cultured cells, an inverted digital holographic microscope, which provides 3D images, was used. Information about the samples' refractive indices and heights was obtained from the phase shift introduced in the optical path. Characteristics of cell adhesion, alignment, orientation, and morphology as a function of the wall heights and time from seeding were highlighted.
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Goonoo N, Bhaw-Luximon A, Jhurry D. In vitro and in vivo cytocompatibility of electrospun nanofiber scaffolds for tissue engineering applications. RSC Adv 2014. [DOI: 10.1039/c4ra05218h] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An electrospun polymeric-based nanofibrous scaffold mimicking the extracellular matrix and serving as a temporary support for cell growth, adhesion, migration and proliferation.
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Affiliation(s)
- N. Goonoo
- ANDI Centre of Excellence for Biomedical and Biomaterials Research
- University of Mauritius
- Réduit, Mauritius
| | - A. Bhaw-Luximon
- ANDI Centre of Excellence for Biomedical and Biomaterials Research
- University of Mauritius
- Réduit, Mauritius
| | - D. Jhurry
- ANDI Centre of Excellence for Biomedical and Biomaterials Research
- University of Mauritius
- Réduit, Mauritius
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