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Kumar GA, Rambabu Y, Guntu RK, Sivaram K, Reddy MS, Rao CS, Venkatramu V, Kumar VR, Sriman Narayana Iyengar NC. Zr xCa 30-xP 70 thermoluminescent bio glass, structure and elasticity. J Mech Behav Biomed Mater 2021; 119:104517. [PMID: 33872922 DOI: 10.1016/j.jmbbm.2021.104517] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 04/04/2021] [Accepted: 04/05/2021] [Indexed: 11/25/2022]
Abstract
Phosphate glasses of calcium oxide have been well proved materials for various bio bones and dental implants. However, still there is a lot of scope and demand to produce efficient elastic bio implants and resource. In view of this, ZrxCa30-xP70 phosphate materials are prepared by using melt quenching method. Bio, physical, thermoluminescence and elastic techniques are used to characterize the samples. Additionally, simulated body fluid was prepared and it is used especially for bio techniques. Further, the glasses are taken for different dose (~0, 10, 20 & 50 kGy) of gamma irradiation around half an hour. And again similar techniques are used to characterize the samples. All the findings from bio, physical, thermoluminescence and elastic characterization results are analysed and took for better comparison with previous studies to develop various bio bone (or) bio dental resource. Structural reports suggests that the ZrxCa30-xP70 materials were glassy before immersion in SBF solution and immersed (~720 h) samples are showing partial ceramic nature. The weight loss and pH reports suggests them for alternative bio resource as a bio bones and dental implants. Observed thermal stability, microhardness and elastic modulus evaluations of ZrxCa30-xP70 materials in required standards are also additional advantage. Furthermore, thermoluminiscence (TL) under different γ-irradiation doses is reported for glasses with and without immersing in a simulated body fluid. The glasses lose TL intensity when immersed in simulated body fluid for nearly 720 h. This is useful to modulate bio-behaviour in terms of hydroxyapatite layer growth on the glass surface.
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Affiliation(s)
- G Anil Kumar
- Department of Physics, Sreenidhi Institute of Science and Technology, JNT University, Hyderabad, 501301, India
| | - Y Rambabu
- Department of Physics, Sreenidhi Institute of Science and Technology, JNT University, Hyderabad, 501301, India
| | - Ravi Kumar Guntu
- Department of Physics, Sreenidhi Institute of Science and Technology, JNT University, Hyderabad, 501301, India.
| | - K Sivaram
- Department of Physics, DMSSVH College of Engineering, Machilipatnam, 521 001, JNT University, Kakinada, Andhra Pradesh, India
| | - M Sreenath Reddy
- Department of Physics, Osmania University, Hyderabad, 500 007, Telangana, India
| | - Ch Srinivasa Rao
- Department of Physics, Andhra Loyola College, Krishna University, Vijayawada, 520 008, Andhra Pradesh, India
| | - V Venkatramu
- Department of Physics, DR.MRAR PG Center, Krishna University, Nuzvid, 521 201, Andhra Pradesh, India
| | - V Ravi Kumar
- Department of Physics, Acharya Nagarjuna University, Guntur, 522 510, Andhra Pradesh, India
| | - N Ch Sriman Narayana Iyengar
- Department of Information Technology, Sreenidhi Institute of Science and Technology, JNT University, Hyderabad, 501301, India
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Materials and Manufacturing Techniques for Polymeric and Ceramic Scaffolds Used in Implant Dentistry. JOURNAL OF COMPOSITES SCIENCE 2021. [DOI: 10.3390/jcs5030078] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Preventive and regenerative techniques have been suggested to minimize the aesthetic and functional effects caused by intraoral bone defects, enabling the installation of dental implants. Among them, porous three-dimensional structures (scaffolds) composed mainly of bioabsorbable ceramics, such as hydroxyapatite (HAp) and β-tricalcium phosphate (β-TCP) stand out for reducing the use of autogenous, homogeneous, and xenogenous bone grafts and their unwanted effects. In order to stimulate bone formation, biodegradable polymers such as cellulose, collagen, glycosaminoglycans, polylactic acid (PLA), polyvinyl alcohol (PVA), poly-ε-caprolactone (PCL), polyglycolic acid (PGA), polyhydroxylbutyrate (PHB), polypropylenofumarate (PPF), polylactic-co-glycolic acid (PLGA), and poly L-co-D, L lactic acid (PLDLA) have also been studied. More recently, hybrid scaffolds can combine the tunable macro/microporosity and osteoinductive properties of ceramic materials with the chemical/physical properties of biodegradable polymers. Various methods are suggested for the manufacture of scaffolds with adequate porosity, such as conventional and additive manufacturing techniques and, more recently, 3D and 4D printing. The purpose of this manuscript is to review features concerning biomaterials, scaffolds macro and microstructure, fabrication techniques, as well as the potential interaction of the scaffolds with the human body.
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Gomes-Ferreira PHS, Lisboa-Filho PN, da Silva AC, Bim-Júnior O, de Souza Batista FR, Ervolino-Silva AC, Garcia-Junior IR, Okamoto R. Sonochemical time standardization for bioactive materials used in periimplantar defects filling. ULTRASONICS SONOCHEMISTRY 2019; 56:437-446. [PMID: 31101282 DOI: 10.1016/j.ultsonch.2019.04.032] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 04/04/2019] [Accepted: 04/20/2019] [Indexed: 06/09/2023]
Abstract
The aim of this study was determinate the best sonochemical time in order to obtain better bone characteristics when a bioactive material (Biogran) is used in the filling periimplantar defects. In this study, 32 rats were submitted to surgical proceedings to create a periimplantar defect that was filled with Biogran receiving different sonochemical times: 15 (G1), 30 (G2), 45 (G3) or 90 min (G4). The biomaterial was characterized through X-ray diffraction and scanning electron microscopy (SEM). In vivo analysis was performed through micro CT, laser confocal microscopy, immunohistochemistry and evaluation of bone cytoarchitecture through hematoxylin and eosin (HE) staining. The data were submitted to statistical testing, considering a significance level of p < 0.05. Rx diffraction of pure bioglass showed that it is predominantly amorphous; otherwise, there are small peaks at 23° and 31°. SEM shows that the longer the sonochemical time, the less edges the biomaterial will present. Within the groups, G1 and G2 showed the best quantity and quality by micro CT (p > 0.05). The best bone turnover result was found in G1 and G2, otherwise the better results were related to neoformed bone area, bone mineral apposition rate and bone implant contact to G1 (p < 0.05). G1 had the best results in terms of bone cytoarchitectural evaluation and immunohistochemistry. It is possible to conclude that Biogran that received 15 min of sonochemical treatment (G1) presented periimplantar bone repair with the best extracellular matrix properties, including the best quality and quantity of vital bone.
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Affiliation(s)
| | | | - Ana Carolina da Silva
- Department of Physics, São Paulo State University, School of Sciences, Bauru, SP, Brazil
| | - Odair Bim-Júnior
- Department of Physics, São Paulo State University, School of Sciences, Bauru, SP, Brazil
| | | | - Ana Cláudia Ervolino-Silva
- Department of Basic Sciences, São Paulo State University, Araçatuba Dental School, Araçatuba, SP, Brazil
| | - Idelmo Rangel Garcia-Junior
- Department of Surgery and Integrated Clinic, São Paulo State University, Araçatuba Dental School, Araçatuba, SP, Brazil
| | - Roberta Okamoto
- Department of Basic Sciences, São Paulo State University, Araçatuba Dental School, Araçatuba, SP, Brazil
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Hatton J, Davis GR, Mourad AHI, Cherupurakal N, Hill RG, Mohsin S. Fabrication of Porous Bone Scaffolds Using Alginate and Bioactive Glass. J Funct Biomater 2019; 10:jfb10010015. [PMID: 30836701 PMCID: PMC6462929 DOI: 10.3390/jfb10010015] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Revised: 01/10/2019] [Accepted: 01/31/2019] [Indexed: 12/27/2022] Open
Abstract
Porous composite scaffold using an alginate and bioactive glass ICIE16M was synthesized by a simple freeze-drying technique. The scaffold was characterized using compression testing, Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD), X-ray microtomography (XMT) and scanning electron microscopy (SEM). The bioactivity of the scaffold was evaluated by its ability to form apatite on its surface in simulated body fluid (SBF). The data collected showed evidence that the novel material produced had an appropriate pore size for osteoconduction, with an average pore size of 110 µm and maximum pore size of 309 µm. Statistical analysis confirmed that the glass filler significantly (P < 0.05) increased the collapse yield of the scaffolds compared with pure alginate scaffolds. The ICIE16M glass had an amorphous structure, favorable for bioactivity.
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Affiliation(s)
- Jonathan Hatton
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
| | - Graham Roy Davis
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
| | - Abdel-Hamid I Mourad
- Department of Mechanical Engineering, College of Engineering, UAEU Al Ain, 15551, UAE.
| | | | - Robert G Hill
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
| | - Sahar Mohsin
- Dental Physical Sciences Unit, Institute of Dentistry, Barts & The London School of Medicine and Dentistry, Queen Mary University of London, London, E1 4NS, UK.
- Department of Anatomy, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, 17666, UAE.
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Miri AK, Muja N, Kamranpour NO, Lepry WC, Boccaccini AR, Clarke SA, Nazhat SN. Ectopic bone formation in rapidly fabricated acellular injectable dense collagen-Bioglass hybrid scaffolds via gel aspiration-ejection. Biomaterials 2016; 85:128-41. [PMID: 26871889 DOI: 10.1016/j.biomaterials.2016.01.047] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Revised: 01/15/2016] [Accepted: 01/21/2016] [Indexed: 12/29/2022]
Abstract
Gel aspiration-ejection (GAE) has recently been introduced as an effective technique for the rapid production of injectable dense collagen (IDC) gel scaffolds with tunable collagen fibrillar densities (CFDs) and microstructures. Herein, a GAE system was applied for the advanced production and delivery of IDC and IDC-Bioglass(®) (IDC-BG) hybrid gel scaffolds for potential bone tissue engineering applications. The efficacy of GAE in generating mineralizable IDC-BG gels (from an initial 75-25 collagen-BG ratio) produced through needle gauge numbers 8G (3.4 mm diameter and 6 wt% CFD) and 14G (1.6 mm diameter and 14 wt% CFD) was investigated. Second harmonic generation (SHG) imaging of as-made gels revealed an increase in collagen fibril alignment with needle gauge number. In vitro mineralization of IDC-BG gels was confirmed where carbonated hydroxyapatite was detected as early as day 1 in simulated body fluid, which progressively increased up to day 14. In vivo mineralization of, and host response to, acellular IDC and IDC-BG gel scaffolds were further investigated following subcutaneous injection in adult rats. Mineralization, neovascularization and cell infiltration into the scaffolds was enhanced by the addition of BG and at day 21 post injection, there was evidence of remodelling of granulation tissue into woven bone-like tissue in IDC-BG. SHG imaging of explanted scaffolds indicated collagen fibril remodelling through cell infiltration and mineralization over time. In sum, the results suggest that IDC-BG hybrid gels have osteoinductive properties and potentially offer a novel therapeutic approach for procedures requiring the injectable delivery of a malleable and dynamic bone graft that mineralizes under physiological conditions.
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Affiliation(s)
- Amir K Miri
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - Naser Muja
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - Neysan O Kamranpour
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - William C Lepry
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada
| | - Aldo R Boccaccini
- Institute of Biomaterials, University of Erlangen-Nuremberg, Cauerstr. 6, D-91058, Erlangen, Germany
| | - Susan A Clarke
- School of Nursing and Midwifery, Queen's University Belfast, Belfast, BT9 7BL, UK
| | - Showan N Nazhat
- Department of Mining and Materials Engineering, McGill University, Montreal, QC, H3A 0C5, Canada.
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Cruz ACC, Caon T, Menin Á, Granato R, Aragonês Á, Boabaid F, Simões CMO. Adipose-Derived Stem Cells Decrease Bone Morphogenetic Protein Type 2-Induced Inflammation In Vivo. J Oral Maxillofac Surg 2015; 74:505-14. [PMID: 26433041 DOI: 10.1016/j.joms.2015.09.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 08/10/2015] [Accepted: 09/07/2015] [Indexed: 12/26/2022]
Abstract
PURPOSE Recombinant human bone morphogenetic protein type 2 (rhBMP-2) has been used to promote bone regeneration. In contrast, some reports have suggested rhBMP-2 does not provide advantages over autogenous bone grafting owing to the undesirable postoperative symptoms of this growth factor. Because the undesirable symptoms of rhBMP-2 are usually promoted by inflammation, this study evaluated the in vivo effect of human adipose-derived stem cells (ASCs) incorporated into polylactic co-glycolic acid (PLGA) scaffolds in decreasing the inflammatory response induced by a low dose of rhBMP-2. MATERIALS AND METHODS PLGA scaffolds were characterized and loaded with rhBMP-2 1, 2.5, or 5 μg per scaffold (n = 6) and the in vitro released protein amounts were quantified at 7 hours and 1, 7, and 21 days after loading (n = 3). The muscle tissue of 6 beagles received the following treatments: PLGA, PLGA plus rhBMP-2 (2.5 μg), and PLGA plus rhBMP-2 plus ASCs (1 × 10(6) ASCs). The samples were evaluated 45 days after surgery. Statistical analyses were performed and the P value was set at .05. RESULTS PLGA plus rhBMP-2 plus ASCs yielded the smallest number of inflammatory foci (P < .001) and giant cells (P < .001) and the largest number of angiogenesis sites (P < .001). CONCLUSIONS Human ASCs administered in vivo into PLGA scaffolds with a low dose of rhBMP-2 decrease tissue inflammation and increase angiogenesis in muscular sites.
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Affiliation(s)
- Ariadne Cristiane Cabral Cruz
- Postdoctoral Research Fellow, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, Brazil.
| | - Thiago Caon
- Postdoctoral Research Fellow, Department of Pharmaceutical Sciences, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Álvaro Menin
- Professor, Department of Environment and Health, University of Planalto Catarinense, Lages, Brazil
| | - Rodrigo Granato
- Professor, Department of Dentistry, Unigranrio University, Rio de Janeiro, Brazil
| | - Águedo Aragonês
- Research, Department of Research, Institute of Applied Biotechnologies, Florianópolis, Brazil
| | - Fernanda Boabaid
- Professor, Avantis Department of Dentistry, University, Balneário Camboriu, Brazil
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The potential restorative effects of strontium-doped bioactive glass on bone microarchitecture after estrogen-deficieny induced osteoporosis: Physicochemical and histomorphometric analyses. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s13765-013-3167-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Qureshi AT, Terrell L, Monroe WT, Dasa V, Janes ME, Gimble JM, Hayes DJ. Antimicrobial biocompatible bioscaffolds for orthopaedic implants. J Tissue Eng Regen Med 2012; 8:386-95. [PMID: 22700366 DOI: 10.1002/term.1532] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Revised: 12/16/2011] [Accepted: 04/04/2012] [Indexed: 02/02/2023]
Abstract
Nationally, nearly 1.5 million patients in the USA suffer from ailments requiring bone grafts and hip and other joint replacements. Infections following internal fixation in orthopaedic trauma can cause osteomyelitis in 22-66% of cases and, if uncontrolled, the mortality rate can be as high as 2%. We characterize a procedure for the synthesis of antimicrobial and biocompatible poly-l-lactic acid (PLLA) and poly-ethyleneglycol (PEG) bioscaffolds designed to degrade and absorb at a controlled rate. The bioscaffold architecture aims to provide a suitable substrate for the controlled release of silver nanoparticles (SNPs) to reduce bacterial growth and to aid the proliferation of human adipose-derived stem cells (hASCs) for tissue-engineering applications. The fabricated bioscaffolds were characterized by scanning transmission microscope (SEM) and it showed that the addition of tncreasing concentrations of SNPs results in the formation of dendritic porous channels perpendicular to the axis of precipitation. The antimicrobial properties of these porous bioscaffolds were tested according to a modified ISO 22196 standard across varying concentrations of biomass-mediated SNPs to determine an efficacious antimicrobial concentration. The bioscaffolds reduced the Staphylococcus aureus and Escherichia coli viable colony-forming units by 98.85% and 99.9%, respectively, at an antimicrobial SNPs concentration of 2000 ppm. Human ASCs were seeded on bioscaffolds and cultured in vitro for 20 days to study the effect of SNPs concentration on the viability of cells. SEM analysis and the metabolic activity-based fluorescent dye, AlamarBlue®, demonstrated the growth of cells on the efficacious antimicrobial bioscaffolds. The biocompatibility of in vitro leached silver, quantified by inductively coupled plasma optical emission spectroscopy (ICP-OES), proved non-cytotoxic when tested against hASCs, as evaluated by MTT assay.
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Affiliation(s)
- Ammar T Qureshi
- Department of Agricultural and Biological Engineering, Louisiana State University and Agricultural Center, Baton Rouge, LA, USA
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Fahim NF, Morks MF, Sekino T. Electrochemical synthesis of silica-doped high aspect-ratio titania nanotubes as nanobioceramics for implant applications. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2008.12.035] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Vert M. Degradable and bioresorbable polymers in surgery and in pharmacology: beliefs and facts. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2009; 20:437-446. [PMID: 18815731 DOI: 10.1007/s10856-008-3581-4] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2008] [Accepted: 08/29/2008] [Indexed: 05/26/2023]
Abstract
The number of articles dealing with degradable polymers and macromolecules is increasing rapidly and the number of proposed compounds as well. However, not all have a high potential for effective applications. This contribution examines first the criteria to be taken into account when commercialisation of polymeric compounds and devices aimed at helping the body for a limited period of time, i.e. the healing time, is the main goal. What is really known is tentatively analysed by considering some of the candidates present in literature confronted to the targeted potential applications. Tentative comments are made on what should be done to qualify a candidate. Last but not least, trends in the search for polymers to be exploited in presently attracting areas such as bioresorbable stents, hydrogels to deliver bioactive macromolecules like proteins and polynucleotides or polyelectrolytes to temporarily complex charged biomacromolecules like proteins or genes are considered.
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Affiliation(s)
- Michel Vert
- Institute of Biomolecules Max Mousseron, UMR CNRS 5247, Montpellier Cedex 5, France.
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