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Kawcher Alam M, Sahadat Hossain M, Anisur Rahman Dayan M, Bahadur NM, Shaikh MAA, Ahmed S. Fabrication and Characterization of a Bioscaffold Using Hydroxyapatite and Unsaturated Polyester Resin. ACS OMEGA 2024; 9:15210-15221. [PMID: 38585056 PMCID: PMC10993257 DOI: 10.1021/acsomega.3c09599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 03/03/2024] [Accepted: 03/06/2024] [Indexed: 04/09/2024]
Abstract
Outstanding biodegradability and biocompatibility are attributes associated with particular polyester substances that make this group useful in specific biomedical fields. To assess the potential as a biomaterial, a novel composite consisting of hydroxyapatite (HAp) and unsaturated polyester resin (UPR) was developed in this work. Using a hand-lay-up technique, various percentages (50, 40, 30, 20, and 10%) of HAp were reinforced into the UPR matrix to fabricate composite materials out of glass sheets. Prior to processing of the composite samples, hydroxyapatite was chemically synthesized in a wet chemical manner. Using a universal testing machine (UTM), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), and thermo-gravimetric analysis (TGA), the fabricated samples were characterized. The crystallographic parameters of synthesized hydroxyapatite (HAp) were also estimated through a range of formulas. The optimal amount for hydroxyapatite was 40% according to the findings of the tensile strength (TS), tensile modulus (TM), percentage of elongation at break (EB), bending strength (BS), and bending modulus (BM). Improvements in TS, TM, BS, and BM for the ideal combination were 39.39, 9.21, 912.05, and 259.96%, in each case, over the controlled one. Thermogravimetric analysis (TGA) has been implemented to determine the degradation temperature of the fabricated composites up to 600 °C.
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Affiliation(s)
- Md. Kawcher Alam
- Glass
Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research
(BCSIR), Dhaka 1205, Bangladesh
- Department
of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Md. Sahadat Hossain
- Glass
Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research
(BCSIR), Dhaka 1205, Bangladesh
| | - Md. Anisur Rahman Dayan
- Textile
Physics Division, Bangladesh Jute Research
Institute, Manik Mia
Avenue, Dhaka 1207, Bangladesh
| | - Newaz Mohammed Bahadur
- Department
of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Md. Aftab Ali Shaikh
- Glass
Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research
(BCSIR), Dhaka 1205, Bangladesh
- Department
of Chemistry, University of Dhaka, Dhaka 1000, Bangladesh
| | - Samina Ahmed
- Glass
Research Division, Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Scientific and Industrial Research
(BCSIR), Dhaka 1205, Bangladesh
- BCSIR
Dhaka Laboratories, Bangladesh Council of
Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
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Wirsig K, Bacova J, Richter RF, Hintze V, Bernhardt A. Cellular response of advanced triple cultures of human osteocytes, osteoblasts and osteoclasts to high sulfated hyaluronan (sHA3). Mater Today Bio 2024; 25:101006. [PMID: 38445011 PMCID: PMC10912908 DOI: 10.1016/j.mtbio.2024.101006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/16/2024] [Accepted: 02/21/2024] [Indexed: 03/07/2024] Open
Abstract
Bone remodelling, important for homeostasis and regeneration involves the controlled action of osteoblasts, osteocytes and osteoclasts. The present study established a three-dimensional human in vitro bone model as triple culture with simultaneously differentiating osteocytes and osteoclasts, in the presence of osteoblasts. Since high sulfated hyaluronan (sHA3) was reported as a biomaterial to enhance osteogenesis as well as to dampen osteoclastogenesis, the triple culture was exposed to sHA3 to investigate cellular responses compared to the respective bone cell monocultures. Osteoclast formation and marker expression was stimulated by sHA3 only in triple culture. Osteoprotegerin (OPG) gene expression and protein secretion, but not receptor activator of NF-κB ligand (RANKL) or sclerostin (SOST), were strongly enhanced, suggesting an important role of sHA3 itself in osteoclastogenesis with other targets than indirect modulation of the RANKL/OPG ratio. Furthermore, sHA3 upregulated osteocalcin (BGLAP) in osteocytes and osteoblasts in triple culture, while alkaline phosphatase (ALP) was downregulated.
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Affiliation(s)
- Katharina Wirsig
- Centre for Translational Bone, Joint- and Soft Tissue Research, Faculty of Medicine and University Hospital, TUD University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
| | - Jana Bacova
- Centre for Translational Bone, Joint- and Soft Tissue Research, Faculty of Medicine and University Hospital, TUD University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Studentska 573, 53210 Pardubice, Czech Republic
| | - Richard F. Richter
- Centre for Translational Bone, Joint- and Soft Tissue Research, Faculty of Medicine and University Hospital, TUD University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
| | - Vera Hintze
- Max Bergmann Center of Biomaterials, Institute of Material Science, TUD University of Technology, Budapester Str. 27, 01069, Dresden, Germany
| | - Anne Bernhardt
- Centre for Translational Bone, Joint- and Soft Tissue Research, Faculty of Medicine and University Hospital, TUD University of Technology, Fetscherstraße 74, 01307, Dresden, Germany
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Nitschke BM, Beltran FO, Hahn MS, Grunlan MA. Trends in bioactivity: inducing and detecting mineralization of regenerative polymeric scaffolds. J Mater Chem B 2024; 12:2720-2736. [PMID: 38410921 PMCID: PMC10935659 DOI: 10.1039/d3tb02674d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 02/14/2024] [Indexed: 02/28/2024]
Abstract
Due to limitations of biological and alloplastic grafts, regenerative engineering has emerged as a promising alternative to treat bone defects. Bioactive polymeric scaffolds are an integral part of such an approach. Bioactivity importantly induces hydroxyapatite mineralization that promotes osteoinductivity and osseointegration with surrounding bone tissue. Strategies to confer bioactivity to polymeric scaffolds utilize bioceramic fillers, coatings and surface treatments, and additives. These approaches can also favorably impact mechanical and degradation properties. A variety of fabrication methods are utilized to prepare scaffolds with requisite morphological features. The bioactivity of scaffolds may be evaluated with a broad set of techniques, including in vitro (acellular and cellular) and in vivo methods. Herein, we highlight contemporary and emerging approaches to prepare and assess scaffold bioactivity, as well as existing challenges.
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Affiliation(s)
- Brandon M Nitschke
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843, USA.
| | - Felipe O Beltran
- Department of Materials Science & Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Mariah S Hahn
- Department of Biomedical Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA
| | - Melissa A Grunlan
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843, USA.
- Department of Materials Science & Engineering, Texas A&M University, College Station, TX 77843, USA
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
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Putra NE, Zhou J, Zadpoor AA. Sustainable Sources of Raw Materials for Additive Manufacturing of Bone-Substituting Biomaterials. Adv Healthc Mater 2024; 13:e2301837. [PMID: 37535435 DOI: 10.1002/adhm.202301837] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 07/12/2023] [Indexed: 08/05/2023]
Abstract
The need for sustainable development has never been more urgent, as the world continues to struggle with environmental challenges, such as climate change, pollution, and dwindling natural resources. The use of renewable and recycled waste materials as a source of raw materials for biomaterials and tissue engineering is a promising avenue for sustainable development. Although tissue engineering has rapidly developed, the challenges associated with fulfilling the increasing demand for bone substitutes and implants remain unresolved, particularly as the global population ages. This review provides an overview of waste materials, such as eggshells, seashells, fish residues, and agricultural biomass, that can be transformed into biomaterials for bone tissue engineering. While the development of recycled metals is in its early stages, the use of probiotics and renewable polymers to improve the biofunctionalities of bone implants is highlighted. Despite the advances of additive manufacturing (AM), studies on AM waste-derived bone-substitutes are limited. It is foreseeable that AM technologies can provide a more sustainable alternative to manufacturing biomaterials and implants. The preliminary results of eggshell and seashell-derived calcium phosphate and rice husk ash-derived silica can likely pave the way for more advanced applications of AM waste-derived biomaterials for sustainably addressing several unmet clinical applications.
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Affiliation(s)
- Niko E Putra
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Jie Zhou
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
| | - Amir A Zadpoor
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology, Mekelweg 2, Delft, 2628 CD, The Netherlands
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Khan MA, Delgado AH, Young AM. Modifying dental composites to formulate novel methacrylate-based bone cements with improved polymerisation kinetics, and mechanical properties. Dent Mater 2023; 39:1067-1075. [PMID: 37821331 DOI: 10.1016/j.dental.2023.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 09/17/2023] [Accepted: 10/05/2023] [Indexed: 10/13/2023]
Abstract
OBJECTIVES The aim was to develop bone composites with similar working times, faster polymerisation and higher final conversion in comparison to Cortoss™. Additionally, low shrinkage/heat generation and improved short and longer-term mechanical properties are desirable. METHODS Four urethane dimethacrylate based composites were prepared using tri-ethylene-glycol dimethacrylate (TEGDMA) or polypropylene dimethacrylate (PPGDMA) diluent and 0 or 20 wt% fibres in the glass filler particles. FTIR was used to determine reaction kinetics, final degrees of conversions, and polymerisation shrinkage/heat generation at 37 °C. Biaxial flexural strength, Young's modulus and compressive strength were evaluated after 1 or 30 days in water. RESULTS Experimental materials all had similar inhibition times to Cortoss™ (140 s) but subsequent maximum polymerisation rate was more than doubled. Average experimental composite final conversion (76%) was higher than that of Cortoss™ (58%) but with less heat generation and shrinkage. Replacement of TEGDMA by PPGDMA gave higher polymerisation rates and conversions while reducing shrinkage. Early and aged flexural strengths of Cortoss™ were 93 and 45 MPa respectively. Corresponding compressive strengths were 164 and 99 MPa. Early and lagged experimental composite flexural strengths were 164-186 and 240-274 MPa whilst compressive strengths were 240-274 MPa and 226-261 MPa. Young's modulus for Cortoss™ was 3.3 and 2.2 GPa at 1 day and 1 month. Experimental material values were 3.4-4.8 and 3.0-4.1 GPa, respectively. PPGDMA and fibres marginally reduced strength but caused greater reduction in modulus. Fibres also made the composites quasi-ductile instead of brittle. SIGNIFICANCE The improved setting and higher strengths of the experimental materials compared to Cortoss™, could reduce monomer leakage from the injection site and material fracture, respectively. Lowering modulus may reduce stress shielding whilst quasi-ductile properties may improve fracture tolerance. The modified dental composites could therefore be a promising approach for future bone cements.
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Affiliation(s)
- Muhammad Adnan Khan
- Dental Materials Department, Institute of Basic Medical Sciences, Khyber Medical University, Peshawar, Pakistan; Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK
| | - António Hs Delgado
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK; Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Monte de Caparica, Almada, Portugal.
| | - Anne M Young
- Division of Biomaterials and Tissue Engineering, UCL Eastman Dental Institute, London, UK
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Zhou J, See CW, Sreenivasamurthy S, Zhu D. Customized Additive Manufacturing in Bone Scaffolds-The Gateway to Precise Bone Defect Treatment. RESEARCH (WASHINGTON, D.C.) 2023; 6:0239. [PMID: 37818034 PMCID: PMC10561823 DOI: 10.34133/research.0239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 09/07/2023] [Indexed: 10/12/2023]
Abstract
In the advancing landscape of technology and novel material development, additive manufacturing (AM) is steadily making strides within the biomedical sector. Moving away from traditional, one-size-fits-all implant solutions, the advent of AM technology allows for patient-specific scaffolds that could improve integration and enhance wound healing. These scaffolds, meticulously designed with a myriad of geometries, mechanical properties, and biological responses, are made possible through the vast selection of materials and fabrication methods at our disposal. Recognizing the importance of precision in the treatment of bone defects, which display variability from macroscopic to microscopic scales in each case, a tailored treatment strategy is required. A patient-specific AM bone scaffold perfectly addresses this necessity. This review elucidates the pivotal role that customized AM bone scaffolds play in bone defect treatment, while offering comprehensive guidelines for their customization. This includes aspects such as bone defect imaging, material selection, topography design, and fabrication methodology. Additionally, we propose a cooperative model involving the patient, clinician, and engineer, thereby underscoring the interdisciplinary approach necessary for the effective design and clinical application of these customized AM bone scaffolds. This collaboration promises to usher in a new era of bioactive medical materials, responsive to individualized needs and capable of pushing boundaries in personalized medicine beyond those set by traditional medical materials.
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Affiliation(s)
- Juncen Zhou
- Department of Biomedical Engineering,
Stony Brook University, Stony Brook, NY, USA
| | - Carmine Wang See
- Department of Biomedical Engineering,
Stony Brook University, Stony Brook, NY, USA
| | - Sai Sreenivasamurthy
- Department of Biomedical Engineering,
Stony Brook University, Stony Brook, NY, USA
| | - Donghui Zhu
- Department of Biomedical Engineering,
Stony Brook University, Stony Brook, NY, USA
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Ornaghi HL, Monticeli FM, Agnol LD. A Review on Polymers for Biomedical Applications on Hard and Soft Tissues and Prosthetic Limbs. Polymers (Basel) 2023; 15:4034. [PMID: 37836083 PMCID: PMC10575019 DOI: 10.3390/polym15194034] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Revised: 09/29/2023] [Accepted: 09/30/2023] [Indexed: 10/15/2023] Open
Abstract
In the past decades, there has been a significant increase in the use of polymers for biomedical applications. The global medical polymer market size was valued at USD 19.92 billion in 2022 and is expected to grow at a CAGR of 8.0% from 2023 to 2030 despite some limitations, such as cost (financial limitation), strength compared to metal plates for bone fracture, design optimization and incorporation of reinforcement. Recently, this increase has been more pronounced due to important advances in synthesis and modification techniques for the design of novel biomaterials and their behavior in vitro and in vivo. Also, modern medicine allows the use of less invasive surgeries and faster surgical sutures. Besides their use in the human body, polymer biomedical materials must have desired physical, chemical, biological, biomechanical, and degradation properties. This review summarizes the use of polymers for biomedical applications, mainly focusing on hard and soft tissues, prosthetic limbs, dental applications, and bone fracture repair. The main properties, gaps, and trends are discussed.
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Affiliation(s)
- Heitor Luiz Ornaghi
- Mantova Indústria de Tubos Plásticos Ltd.a., R. Isidoro Fadanelli, 194-Centenário, Caxias do Sul 95045-137, RS, Brazil
| | - Francisco Maciel Monticeli
- Department of Aerospace Structures and Materials, Faculty of Aerospace Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands;
| | - Lucas Dall Agnol
- Postgraduate Program in Materials Science and Engineering (PGMAT), University of Caxias do Sul, Caxias do Sul 95070-560, RS, Brazil;
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Park SJ, Rahman MM, Lee J, Kang SW, Kim S. Investigation of Bone Regeneration Efficacy of New Bovine Bone Minerals in a Canine Mandibular Critical Defect Model. Adv Healthc Mater 2023; 12:e2202942. [PMID: 37256639 DOI: 10.1002/adhm.202202942] [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: 12/13/2022] [Revised: 02/26/2023] [Indexed: 06/01/2023]
Abstract
This study aims to investigate the bone regeneration effect of bovine hydroxyapatite-processed biomaterials Bone-XB and S1-XB in a beagle mandibular defect model. A total of four saddle-type critical sizes (15 mm × 10 mm) bone defects are created in each dog: two defects in the left mandible and two defects in the right mandible. The defect control (DC) group is kept unfilled, and the other three defects are filled with three different biomaterials as follows: positive control Bio-Oss (Bio-Oss group), Bone-XB (XB group), and S1-XB (S1-XB group). Bone regeneration is evaluated by radiography, micro-computed tomography, and histological analysis. It is revealed that Bone-XB and S1-XB significantly increase newly formed bone, defect filling percentage, and bone healing score compared to the DC group, which is confirmed by bone microstructure augmentation (bone volume/total volume, trabecular number, and trabecular thickness). Interestingly, no significant differences are observed between the Bone-XB, S1-XB, and Bio-Oss groups. It is suggested that Bone-XB or S1-XB stimulates bone regeneration demonstrated by the increase in newly formed bone and bone microstructure, thereby improving bone defect filling, which is equivalent to the Bio-Oss. Therefore, bovine hydroxyapatite-processed Bone-XB or S1-XB can be considered effective biomaterials for correcting critical-size bone defects or fractures.
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Affiliation(s)
- Sung-Jin Park
- Research Center, HLB bioStep Co., Ltd., Incheon, 22014, Republic of Korea
- Laboratory of Hygienic Pharmacy, College of Pharmacy, Chungbuk National University, Cheongju, 28160, Republic of Korea
| | - Md Mahbubur Rahman
- Research Center, HLB bioStep Co., Ltd., Incheon, 22014, Republic of Korea
- Department of Physiology, College of Medicine, Gachon University, Incheon, 21936, Republic of Korea
| | - Jaebum Lee
- Medpark Co., Ltd., Seoul, 07282, Republic of Korea
- Laboratory for Applied Periodontal & Craniofacial Research, Adams School of Dentistry, University of North Carolina, Chapel Hill, NC, 27599, USA
| | - Suk-Woong Kang
- Department of Orthopedic surgery, Busan National University Yangsan Hospital, Yangsan, 50612, Republic of Korea
| | - Sokho Kim
- Research Center, HLB bioStep Co., Ltd., Incheon, 22014, Republic of Korea
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Dede EÇ, Gizer M, Korkusuz F, Bal Z, Ishiguro H, Yoshikawa H, Kaito T, Korkusuz P. A pilot study: Nano-hydroxyapatite-PEG/PLA containing low dose rhBMP2 stimulates proliferation and osteogenic differentiation of human bone marrow derived mesenchymal stem cells. JOR Spine 2023; 6:e1258. [PMID: 37780828 PMCID: PMC10540822 DOI: 10.1002/jsp2.1258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 01/29/2023] [Accepted: 04/25/2023] [Indexed: 10/03/2023] Open
Abstract
Background Bone morphogenetic protein 2 (BMP2) can enhance posterolateral spinal fusion (PLSF). The minimum effective dose that may stimulate mesenchymal stem cells however remains unknown. Nano-hydroxyapatite (nHAp) polyethylene glycol (PEG)/polylactic acid (PLA) was combined with recombinant human BMP2 (rhBMP2). We in vitro evaluated proliferation, differentiation, and osteogenic genes of human bone marrow mesenchymal stem cells with 0.5, 1.0, and 3.0 μg/mL rhBMP2 doses in this study. Methods In vitro experimental study was designed to proliferation by a real-time quantitative cell analysis system and the osteogenic differentiation by alkaline phosphatase (ALP) activity and osteogenic marker (Runx2, OPN, and OCN) gene expressions of human derived bone marrow mesenchymal stem cells (hBMMSCs). nHAp was produced by wet chemical process and characterized by Fourier transform infrared spectrophotometer, scanning electron microscopy, and energy-dispersive x-ray spectroscopy. PEG/PLA polymer was produced at a 51:49 molar ratio. 0.5, 1.0, and 3.0 μg/mL rhBMP2 and nHAp was combined with the polymers. hBMMSCs were characterized by multipotency assays and surface markers were assessed by flow cytometer. The hBMMSC-rhBMP2 containing nHAp-PEG/PLA composite interaction was evaluated by transmission electron microscopy. Proliferative effect was evaluated by real-time proliferation analysis, and osteogenic capacity was evaluated by ALP activity assay and qPCR. Results hBMMSC proliferation in the 0.5 μg/mL rhBMP2 + nHAp-PEG/PLA and the 1.0 μg/mL rhBMP2 + nHAp-PEG/PLA groups were higher compared to control. 1.0 μg/mL rhBMP2 + nHAp-PEG/PLA and 3.0 μg/mL rhBMP2 + nHAp-PEG/PLA containing composites induced ALP activity on days 3 and 10. 0.5 μg/mL rhBMP2 + nHAp-PEG/PLA application stimulated Runx2 and OPN gene expressions. Conclusion rhBMP2 + nHAp-PEG/PLA composites stimulate hBMMSC proliferation and differentiation. The nHAp-PEG/PLA composite with low dose of rhBMP2 may enhance bone formation in future clinical PLSF applications.
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Affiliation(s)
- Eda Çiftci Dede
- Department of Bioengineering, Graduate School of Science and EngineeringHacettepe UniversityAnkaraTurkey
- AO Research Institute DavosDavosSwitzerland
| | - Merve Gizer
- Department of Stem Cell Sciences, Graduate School of Health SciencesHacettepe UniversityAnkaraTurkey
| | - Feza Korkusuz
- Department of Sports Medicine, Faculty of MedicineHacettepe UniversityAnkaraTurkey
| | - Zeynep Bal
- Signal Transduction, Immunology Frontier Research Center (IFReC)Osaka UniversityOsakaJapan
| | - Hiroyuki Ishiguro
- Department of Orthopaedic SurgeryNational Hospital Organization Osaka National HospitalOsakaJapan
| | - Hideki Yoshikawa
- Department of Orthopaedic SurgeryToyonaka Municipal HospitalOsakaJapan
| | | | - Petek Korkusuz
- Department of Histology and Embryology, Faculty of MedicineHacettepe UniversityAnkaraTurkey
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Al-Shalawi FD, Mohamed Ariff AH, Jung DW, Mohd Ariffin MKA, Seng Kim CL, Brabazon D, Al-Osaimi MO. Biomaterials as Implants in the Orthopedic Field for Regenerative Medicine: Metal versus Synthetic Polymers. Polymers (Basel) 2023; 15:2601. [PMID: 37376247 DOI: 10.3390/polym15122601] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/30/2023] [Accepted: 05/31/2023] [Indexed: 06/29/2023] Open
Abstract
Patients suffering bone fractures in different parts of the body require implants that will enable similar function to that of the natural bone that they are replacing. Joint diseases (rheumatoid arthritis and osteoarthritis) also require surgical intervention with implants such as hip and knee joint replacement. Biomaterial implants are utilized to fix fractures or replace parts of the body. For the majority of these implant cases, either metal or polymer biomaterials are chosen in order to have a similar functional capacity to the original bone material. The biomaterials that are employed most often for implants of bone fracture are metals such as stainless steel and titanium, and polymers such as polyethene and polyetheretherketone (PEEK). This review compared metallic and synthetic polymer implant biomaterials that can be employed to secure load-bearing bone fractures due to their ability to withstand the mechanical stresses and strains of the body, with a focus on their classification, properties, and application.
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Affiliation(s)
- Faisal Dakhelallah Al-Shalawi
- Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Azmah Hanim Mohamed Ariff
- Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
- Research Center Advanced Engineering Materials and Composites (AEMC), Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Dong-Won Jung
- Faculty of Applied Energy System, Major of Mechanical Engineering, Jeju National University, 102 Jejudaehak-ro, Jeju-si 63243, Republic of Korea
| | - Mohd Khairol Anuar Mohd Ariffin
- Department of Mechanical and Manufacturing Engineering, Faculty of Engineering, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Collin Looi Seng Kim
- Department of Orthopaedic, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
| | - Dermot Brabazon
- Advanced Manufacturing Research Centre, and Advanced Processing Technology Research Centre, School of Mechanical and Manufacturing Engineering, Dublin City University, Glasnevin, D09 V209 Dublin 9, Ireland
| | - Maha Obaid Al-Osaimi
- Department of Microbiology, Faculty of Agriculture, Universiti Putra Malaysia, Serdang 43400, Selangor, Malaysia
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Poly (Ether-Ether-Ketone) for Biomedical Applications: From Enhancing Bioactivity to Reinforced-Bioactive Composites-An Overview. Polymers (Basel) 2023; 15:polym15020373. [PMID: 36679253 PMCID: PMC9861117 DOI: 10.3390/polym15020373] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 12/21/2022] [Accepted: 12/24/2022] [Indexed: 01/13/2023] Open
Abstract
The global orthopedic market is forecasted to reach US$79.5 billion by the end of this decade. Factors driving the increase in this market are population aging, sports injury, road traffic accidents, and overweight, which justify a growing demand for orthopedic implants. Therefore, it is of utmost importance to develop bone implants with superior mechanical and biological properties to face the demand and improve patients' quality of life. Today, metallic implants still hold a dominant position in the global orthopedic implant market, mainly due to their superior mechanical resistance. However, their performance might be jeopardized due to the possible release of metallic debris, leading to cytotoxic effects and inflammatory responses in the body. Poly (ether-ether-ketone) (PEEK) is a biocompatible, high-performance polymer and one of the most prominent candidates to be used in manufacturing bone implants due to its similarity to the mechanical properties of bone. Unfortunately, the bioinert nature of PEEK culminates in its diminished osseointegration. Notwithstanding, PEEK's bioactivity can be improved through surface modification techniques and by the development of bioactive composites. This paper overviews the advantages of using PEEK for manufacturing implants and addresses the most common strategies to improve the bioactivity of PEEK in order to promote enhanced biomechanical performance.
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12
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Gao J, Yang H, Xiang Z, Zhang B, Ouyang X, Qi F, Zhao N. Study on Bone-like Microstructure Design of Carbon Nanofibers/Polyurethane Composites with Excellent Impact Resistance. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3830. [PMID: 36364605 PMCID: PMC9654222 DOI: 10.3390/nano12213830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/26/2022] [Accepted: 10/26/2022] [Indexed: 06/16/2023]
Abstract
It is a challenge to develop cost-effective strategy and design specific microstructures for fabricating polymer-based impact-resistance materials. Human shin bones require impact resistance and energy absorption mechanisms in the case of rapid movement. The shin bones are exciting biological materials that contain concentric circle structures called Haversian structures, which are made up of nanofibrils and collagen. The "soft and hard" structures are beneficial for dynamic impact resistance. Inspired by the excellent impact resistance of human shin bones, we prepared a sort of polyurethane elastomers (PUE) composites incorporated with rigid carbon nanofibers (CNFs) modified by elastic mussel adhesion proteins. CNFs and mussel adhesion proteins formed bone-like microstructures, where the rigid CNFs are served as the bone fibrils, and the flexible mussel adhesion proteins are regarded as collagen. The special structures, which are combined of hard and soft, have a positive dispersion and compatibility in PUE matrix, which can prevent cracks propagation by bridging effect or inducing the crack deflection. These PUE composites showed up to 112.26% higher impact absorbed energy and 198.43% greater dynamic impact strength when compared with the neat PUE. These findings have great implications for the design of composite parts for aerospace, army vehicles, and human protection.
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Affiliation(s)
- Jun Gao
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Hongyan Yang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Zehui Xiang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Biao Zhang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Xiaoping Ouyang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Fugang Qi
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
| | - Nie Zhao
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
- Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education, Xiangtan University, Xiangtan 411105, China
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Nanotechnology in the Diagnosis and Treatment of Osteomyelitis. Pharmaceutics 2022; 14:pharmaceutics14081563. [PMID: 36015188 PMCID: PMC9412360 DOI: 10.3390/pharmaceutics14081563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/15/2022] [Accepted: 07/18/2022] [Indexed: 11/23/2022] Open
Abstract
Infection remains one of the largest threats to global health. Among those infections that are especially troublesome, osteomyelitis, or inflammation of the bone, typically due to infection, is a particularly difficult condition to diagnose and treat. This difficulty stems not only from the biological complexities of opportunistic infections designed to avoid the onslaught of both the host immune system as well as exogenous antibiotics, but also from changes in the host vasculature and the heterogeneity of infectious presentations. While several groups have attempted to classify and stage osteomyelitis, controversy remains, often delaying diagnosis and treatment. Despite a host of preclinical treatment advances being incubated in academic and company research and development labs worldwide, clinical treatment strategies remain relatively stagnant, including surgical debridement and lengthy courses of intravenous antibiotics, both of which may compromise the overall health of the bone and the patient. This manuscript reviews the current methods for diagnosing and treating osteomyelitis and then contemplates the role that nanotechnology might play in the advancement of osteomyelitis treatment.
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14
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Dong S, Zhang Y, Mei Y, Zhang Y, Hao Y, Liang B, Dong W, Zou R, Niu L. Researching progress on bio-reactive electrogenic materials with electrophysiological activity for enhanced bone regeneration. Front Bioeng Biotechnol 2022; 10:921284. [PMID: 35957647 PMCID: PMC9358035 DOI: 10.3389/fbioe.2022.921284] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/04/2022] [Indexed: 11/17/2022] Open
Abstract
Bone tissues are dynamically reconstructed during the entire life cycle phase, which is an exquisitely regulated process controlled by intracellular and intercellular signals transmitted through physicochemical and biochemical stimulation. Recently, the role of electrical activity in promoting bone regeneration has attracted great attention, making the design, fabrication, and selection of bioelectric bio-reactive materials a focus. Under specific conditions, piezoelectric, photoelectric, magnetoelectric, acoustoelectric, and thermoelectric materials can generate bioelectric signals similar to those of natural tissues and stimulate osteogenesis-related signaling pathways to enhance the regeneration of bone defects, which can be used for designing novel smart biological materials for engineering tissue regeneration. However, literature summarizing studies relevant to bioelectric materials for bone regeneration is rare to our knowledge. Consequently, this review is mainly focused on the biological mechanism of electrical stimulation in the regeneration of bone defects, the current state and future prospects of piezoelectric materials, and other bioelectric active materials suitable for bone tissue engineering in recent studies, aiming to provide a theoretical basis for novel clinical treatment strategies for bone defects.
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Affiliation(s)
- Shaojie Dong
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Yuwei Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yukun Mei
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yifei Zhang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
| | - Yaqi Hao
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Beilei Liang
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Weijiang Dong
- School of Basic Sciences of Xi’an Jiaotong University Health Science Center, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
| | - Rui Zou
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
| | - Lin Niu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- Clinical Research Center of Shaanxi Province for Dental and Maxillofacial Diseases, Xi’an, China
- Department of Prosthodontics, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
- *Correspondence: Weijiang Dong, ; Rui Zou, ; Lin Niu,
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Composite Coatings for Osteoblast Growth Attachment Fabricated by Matrix-Assisted Pulsed Laser Evaporation. Polymers (Basel) 2022; 14:polym14142934. [PMID: 35890714 PMCID: PMC9322700 DOI: 10.3390/polym14142934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/14/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022] Open
Abstract
The bioactive and biocompatible properties of hydroxyapatite (HAp) promote the osseointegration process. HAp is widely used in biomedical applications, especially in orthopedics, as well as a coating material for metallic implants. We obtained composite coatings based on HAp, chitosan (CS), and FGF2 by a matrix-assisted pulsed laser evaporation (MAPLE) technique. The coatings were physico-chemically investigated by means of X-ray Diffraction (XRD), Transmission Electron Microscopy (TEM), Infrared Microscopy (IRM), and Scanning Electron Microscopy (SEM). Further, biological investigations were performed. The MAPLE-composite coatings were tested in vitro on the MC3T3-E1 cell line in order to endorse cell attachment and growth without toxic effects and to promote pre-osteoblast differentiation towards the osteogenic lineage. These coatings can be considered suitable for bone tissue engineering applications that lack toxicity and promotes cell adhesion and proliferation while also sustaining the differentiation of pre-osteoblasts towards mature bone cells.
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Sivakumar PM, Yetisgin AA, Sahin SB, Demir E, Cetinel S. Bone tissue engineering: Anionic polysaccharides as promising scaffolds. Carbohydr Polym 2022; 283:119142. [DOI: 10.1016/j.carbpol.2022.119142] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/22/2021] [Accepted: 01/10/2022] [Indexed: 12/21/2022]
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Voss JO, Kasselmann S, Koerdt S, Rendenbach C, Fischer H, Jöhrens K, Czabanka M, Schmidt-Bleek K, Duda GN, Heiland M, Raguse JD. Treatment options for critical size defects - Comparison of different materials in a calvaria split model in sheep. BIOMATERIALS ADVANCES 2022; 136:212788. [PMID: 35929320 DOI: 10.1016/j.bioadv.2022.212788] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/24/2022] [Accepted: 04/01/2022] [Indexed: 06/15/2023]
Abstract
Bone defects of the craniofacial skeleton are often associated with aesthetic and functional impairment as well as loss of protection to intra- and extracranial structures. Solid titanium plates and individually adapted bone cements have been the materials of choice, but may lead to foreign-body reactions and insufficient osseointegration. In contrast, porous scaffolds are thought to exhibit osteoconductive properties to support bone ingrowth. Here, we analyse in critical size defects of the calvaria in sheep whether different bone replacement materials may overcome those remaining challenges. In a critical size defect model, bilateral 20 × 20 × 5-mm craniectomies were performed on either side of the sagittal sinus in 24 adult female blackheaded sheep. Bony defects were randomised to one of five different bone replacement materials (BRMs): titanium scaffold, biodegradable poly(d,l-lactic acid) calcium carbonate scaffold (PDLLA/CC), polyethylene 1 (0.71 mm mean pore size) or 2 (0.515 mm mean pore size) scaffolds and polymethyl methacrylate (PMMA)-based bone cement block. Empty controls (n = 3) served as references. To evaluate bone growth over time, three different fluorochromes were administered at different time points. At 3, 6 and 12 months after surgery, animals were sacrificed and the BRMs and surrounding bone analysed by micro-CT and histomorphometry. The empty control group verified that the calvaria defect in this study was a reliable critical size defect model. Bone formation in vivo was detectable in all BRMs after 12 months by micro-CT and histomorphometric analysis, except for the non-porous PMMA group. A maximum of bone formation was detected in the 12-months group for titanium and PDLLA/CC. Bone formation in PDLLA/CC starts to increase rapidly between 6 and 12 months, as the BRM resorbs over time. Contact between bone and BRM influenced bone formation inside the BRM. Empty controls exhibited bone formation solely at the periphery. Overall, porous BRMs offered bone integration to different extent over 12 months in the tested calvaria defect model. Titanium and PDLLA/CC scaffolds showed remarkable osseointegration properties by micro-CT and histomorphometric analysis. PDLLA/CC scaffolds degraded over time without major residues. Pore size influenced bone ingrowth in polyethylene, emphasising the importance of porous scaffold structure.
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Affiliation(s)
- Jan Oliver Voss
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany; Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Straße 2, 10178 Berlin, Germany.
| | - Svenja Kasselmann
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany; Department of Veterinary Medicine, Institute of Veterinary Anatomy, Freie Universität Berlin, Koserstraße 20, 14195 Berlin, Germany.
| | - Steffen Koerdt
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Carsten Rendenbach
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Heilwig Fischer
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany; Berlin Institute of Health (BIH), Anna-Louisa-Karsch-Straße 2, 10178 Berlin, Germany; Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Korinna Jöhrens
- Institute of Pathology, University Hospital Carl Gustav Carus, Fetscherstr. 74, 01307, TU Dresden, Dresden, Germany.
| | - Marcus Czabanka
- Department of Neurosurgery, Universitätsmedizin Frankfurt am Main, Schleusenweg 2-16, 60590 Frankfurt am Main, Germany.
| | - Katharina Schmidt-Bleek
- Julius Wolff Institute and Berlin Institute of Health Centre for Regenerative Therapies, Berlin Institute of Health at Charité Universitätsmedizin, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Georg N Duda
- Julius Wolff Institute and Berlin Institute of Health Centre for Regenerative Therapies, Berlin Institute of Health at Charité Universitätsmedizin, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Max Heiland
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany.
| | - Jan-Dirk Raguse
- Department of Oral and Maxillofacial Surgery, Charité Universitätsmedizin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany; Fachklinik Hornheide, Department of Oral and Maxillofacial Surgery, Dorbaumstraße 300, 48147 Münster, Germany.
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Simulated Analysis Ti-6Al-4V Plate and Screw as Transverse Diaphyseal Fracture Implant for Ulna Bone. JOURNAL OF BIOMIMETICS BIOMATERIALS AND BIOMEDICAL ENGINEERING 2022. [DOI: 10.4028/p-63a93r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Transverse diaphyseal fracture is one of the most common fractures caused by accidents. The fracture treatment needs surgery to apply the fixations that matched the bone geometry. This paper aims to reverse engineering of a published bone plate and screw criteria into a three-dimensional (3D) model and analyze them using the finite element method (FEM) in several factors, the bone, the plate, the screw, the unification of plate and screw, and combination all components. This paper conducts two main activities of designing plate and screw based on literature for ulna bone implant and running the FEM to achieve the von Misses stress in the plate, screw, and bone by placing load and constrained area based on the actual use of the implant in the patient. The maximum number in von Misses stress are 5.01855 MPa for bone only, 0.00918 MPa for plate only, 193.304 MPa for screws only, 6.28160 MPa for the assembly screws and a plate, and 761.07 MPa for all unification. All simulation results meet the expectation that the bone analysis is less than the compressive strength of the ulnar bone. Moreover, when applied to the bone, the plate and screw analysis and the assembly also demonstrate a lower number than the yield strength of the properties of the Ti6Al4V materials. All this biomechanical assessment confirms that designs could withstand ulnar bone’s ultimate flexural load and pressure. The finite element analysis (FEA) on the proposed recreated dimension on ulnar plate and screw is expected to accelerate the rehabilitation process of radius ulnar fracture, particularly in the transverse diaphyseal fracture in ulna bone.
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Gautam S, Bhatnagar D, Bansal D, Batra H, Goyal N. Recent advancements in nanomaterials for biomedical implants. BIOMEDICAL ENGINEERING ADVANCES 2022. [DOI: 10.1016/j.bea.2022.100029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Bădilă AE, Rădulescu DM, Niculescu AG, Grumezescu AM, Rădulescu M, Rădulescu AR. Recent Advances in the Treatment of Bone Metastases and Primary Bone Tumors: An Up-to-Date Review. Cancers (Basel) 2021; 13:4229. [PMID: 34439383 PMCID: PMC8392383 DOI: 10.3390/cancers13164229] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/14/2021] [Accepted: 08/20/2021] [Indexed: 12/13/2022] Open
Abstract
In the last decades, the treatment of primary and secondary bone tumors has faced a slow-down in its development, being mainly based on chemotherapy, radiotherapy, and surgical interventions. However, these conventional therapeutic strategies present a series of disadvantages (e.g., multidrug resistance, tumor recurrence, severe side effects, formation of large bone defects), which limit their application and efficacy. In recent years, these procedures were combined with several adjuvant therapies, with different degrees of success. To overcome the drawbacks of current therapies and improve treatment outcomes, other strategies started being investigated, like carrier-mediated drug delivery, bone substitutes for repairing bone defects, and multifunctional scaffolds with bone tissue regeneration and antitumor properties. Thus, this paper aims to present the types of bone tumors and their current treatment approaches, further focusing on the recent advances in new therapeutic alternatives.
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Affiliation(s)
- Adrian Emilian Bădilă
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
| | - Dragoș Mihai Rădulescu
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
| | - Adelina-Gabriela Niculescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.-G.N.); (A.M.G.)
| | - Alexandru Mihai Grumezescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.-G.N.); (A.M.G.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 50044 Bucharest, Romania
| | - Marius Rădulescu
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, University Politehnica of Bucharest, 1-7 Polizu St., 011061 Bucharest, Romania
| | - Adrian Radu Rădulescu
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
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Florkiewicz W, Słota D, Placek A, Pluta K, Tyliszczak B, Douglas TEL, Sobczak-Kupiec A. Synthesis and Characterization of Polymer-Based Coatings Modified with Bioactive Ceramic and Bovine Serum Albumin. J Funct Biomater 2021; 12:21. [PMID: 33808394 PMCID: PMC8103286 DOI: 10.3390/jfb12020021] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/18/2021] [Accepted: 03/26/2021] [Indexed: 12/14/2022] Open
Abstract
This study involves the synthesis of hydroxyapatite and describes the preparation and characterization of polymer coatings based on poly(ethylene glycol) diacrylate and poly(ethylene glycol) and modified with bovine serum albumin and hydroxyapatite. Hydroxyapatite was obtained by wet chemical synthesis and characterized by X-ray diffraction and FTIR spectroscopy, and its Ca/P molar ratio was determined (1.69 ± 0.08). The ceramic and bovine serum albumin were used in the preparation of composite materials with the polymeric matrix. The chemical composition of coatings was characterized with FTIR spectroscopy, and their morphology was recorded with SEM imaging. Moreover, the measurements of surface roughness parameters and stereometric research were performed. The prepared coatings were subjected to in vitro studies in simulated body fluid and artificial saliva. Changes in chemical composition and morphology after immersion were examined with FTIR spectroscopy and SEM imaging. Based on the conducted research, it can be stated that applied modifiers promote the biomineralization process. The roughness analysis confirmed prepared materials were characterized by the micrometer-scale topography. The materials morphology and roughness, and the morphology of the newly formed apatite deposit, were dependent on the type of the used modifier, and the artificial fluid used in in vitro studies.
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Affiliation(s)
- Wioletta Florkiewicz
- Institute of Materials Science, Faculty of Materials Science and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (W.F.); (B.T.); (A.S.-K.)
| | - Dagmara Słota
- Institute of Materials Science, Faculty of Materials Science and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (W.F.); (B.T.); (A.S.-K.)
| | - Angelika Placek
- Institute of Inorganic Chemistry and Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Krakow, Poland; (A.P.); (K.P.)
| | - Klaudia Pluta
- Institute of Inorganic Chemistry and Technology, Cracow University of Technology, 24 Warszawska St., 31-155 Krakow, Poland; (A.P.); (K.P.)
| | - Bożena Tyliszczak
- Institute of Materials Science, Faculty of Materials Science and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (W.F.); (B.T.); (A.S.-K.)
| | - Timothy E. L. Douglas
- Engineering Department, Lancaster University, Gillow Av., Lancaster LA1 4YW, UK;
- Materials Science Institute, Lancaster University, Gillow Av., Lancaster LA1 4YW, UK
| | - Agnieszka Sobczak-Kupiec
- Institute of Materials Science, Faculty of Materials Science and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland; (W.F.); (B.T.); (A.S.-K.)
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