1
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Östman M, Försth P, Hedenqvist P, Engqvist H, Marcelino L, Ytrehus B, Hulsart-Billström G, Pujari-Palmer M, Öhman-Mägi C, Höglund O, Forterre F. Novel Calcium Phosphate Promotes Interbody Bony Fusion in a Porcine Anterior Cervical Discectomy and Fusion Model. Spine (Phila Pa 1976) 2024; 49:1179-1186. [PMID: 38213106 PMCID: PMC11319082 DOI: 10.1097/brs.0000000000004916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/16/2023] [Indexed: 01/13/2024]
Abstract
STUDY DESIGN Experimental porcine anterior cervical discectomy and fusion (ACDF) model: a proof-of-concept study. OBJECTIVE The effect of monetite synthetic bone graft (SBG) containing calcium pyrophosphate and β-tricalcium phosphate on cervical spinal fusion in a noninstrumented two-level large animal model. SUMMARY OF BACKGROUND DATA ACDF is the gold standard surgical technique for the treatment of degenerative cervical spinal diseases. However, pseudarthrosis associated with increased patient morbidity occurs in ∼2.6% of the surgeries. SBG may enhance bony fusion and subsequently decrease the risk of pseudarthrosis. Recent studies on monetite-based SBGs for use in large cranial defects in humans have shown promising bone healing results, necessitating further investigation of their use in cervical spinal fusion. MATERIALS AND METHODS Four adult female Danish Göttingen minipigs received partial cervical anterior discectomy and intervertebral defects at an upper and lower level. One defect was filled with SBG, and the other was left empty. Bony fusion was evaluated using computed tomography (CT) at three-month intervals for 12 months. Fifteen months postsurgery, the animals were euthanized for further ex vivo qualitative histopathologic and micro-CT evaluations. Fusion rates were compared using the Fisher exact test at each time point. RESULTS Increased interbody bony fusion rates were observed at SBG levels (4/4) compared with control levels (0/4) evaluated by CT at 6 and 9 months postsurgery ( P =0.029). Fusion was observed at all SBG levels 12 months postsurgery and at only one control level. Histopathologic evaluation confirmed high-quality interbody bony fusion at all SBG levels and fusion by spondylosis at one control level. CONCLUSION This proof-of-concept study provides preliminary evidence of a novel, calcium pyrophosphate-containing, and β-tricalcium phosphate-containing monetite SBG that promotes bony fusion compared with a negative control in a clinically relevant porcine model of ACDF.
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Affiliation(s)
- Maria Östman
- Department of Clinical Veterinary Medicine, Division of Small Animal Surgery, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Peter Försth
- Department of Surgical Sciences, Division of Orthopedics, Uppsala University, Uppsala, Sweden
| | - Patricia Hedenqvist
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Håkan Engqvist
- Department of Materials Science and Engineering, Division of Applied Materials Science, Uppsala University, Uppsala, Sweden
| | - Leticia Marcelino
- University Animal Hospital, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Bjørnar Ytrehus
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Uppsala, Sweden
- Norwegian Veterinary Institute, Ås, Norway
| | - Gry Hulsart-Billström
- Department of Medicinal Chemistry, Science for Life Laboratory, Uppsala University, Uppsala, Sweden
| | - Michael Pujari-Palmer
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Caroline Öhman-Mägi
- Department of Materials Science and Engineering, Division of Applied Materials Science, Uppsala University, Uppsala, Sweden
| | - Odd Höglund
- Department of Clinical Sciences, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Franck Forterre
- Department of Clinical Veterinary Medicine, Division of Small Animal Surgery, Vetsuisse Faculty, University of Bern, Bern, Switzerland
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2
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Lee JW, Lee B, Park CH, Heo JH, Lee TY, Lee D, Bae J, Sundharbaabu PR, Yeom WK, Chae S, Lim JH, Lee SW, Choi JS, Bae HB, Choi JY, Lee EH, Yoon DS, Yeom GY, Shin H, Lee JH. Monolithic DNApatite: An Elastic Apatite with Sub-Nanometer Scale Organo-Inorganic Structures. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2406179. [PMID: 39003621 DOI: 10.1002/adma.202406179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/20/2024] [Indexed: 07/15/2024]
Abstract
Hydroxyapatite (HA) exhibits outstanding biocompatibility, bioactivity, osteoconductivity, and natural anti-inflammatory properties. Pure HA, ion-doped HA, and HA-polymer composites are investigated, but critical limitations such as brittleness remain; numerous efforts are being made to address them. Herein, the novel self-crystallization of a polymeric single-stranded deoxyribonucleic acid (ssDNA) without additional phosphate ions for synthesizing deoxyribonucleic apatite (DNApatite) is presented. The synthesized DNApatite, DNA1Ca2.2(PO4)1.3OH2.1, has a repetitive dual phase of inorganic HA crystals and amorphous organic ssDNA at the sub-nm scale, forming nanorods. Its mechanical properties, including toughness and elasticity, are significantly enhanced compared with those of HA nanorod, with a Young's modulus similar to that of natural bone.
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Affiliation(s)
- Jin Woong Lee
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Byoungsang Lee
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Cheol Hyun Park
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jun Hyuk Heo
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Research Center for Advanced Materials Technology, SKKU, Suwon, 16419, Republic of Korea
| | - Tae Yoon Lee
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Dongtak Lee
- School of Biomedical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jina Bae
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | | | - Won Kyun Yeom
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Sudong Chae
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Jae-Hyuk Lim
- School of Mechanical Engineering, SKKU, Suwon, 16419, Republic of Korea
| | - Seok-Won Lee
- School of Mechanical Engineering, SKKU, Suwon, 16419, Republic of Korea
| | - Jin-Seok Choi
- Analysis Center for Research Advancement, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Hyung-Bin Bae
- Analysis Center for Research Advancement, Korea Advanced Institute of Science and Technology, Daejeon, 34141, Republic of Korea
| | - Jae-Young Choi
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Eun-Ho Lee
- School of Mechanical Engineering, SKKU, Suwon, 16419, Republic of Korea
| | - Dae Sung Yoon
- School of Biomedical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Geun Young Yeom
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Hyunjung Shin
- Department of Energy Science, SKKU, Suwon, 16419, Republic of Korea
| | - Jung Heon Lee
- School of Advanced Materials Science & Engineering, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Research Center for Advanced Materials Technology, SKKU, Suwon, 16419, Republic of Korea
- Department of MetaBioHealth, SKKU, Suwon, 16419, Republic of Korea
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3
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Sunarso, Rahmawati D, Irawan B, Pangesty AI. A novel method to fabricate monetite granules for bone graft applications. Dent Mater J 2024; 43:67-73. [PMID: 38072412 DOI: 10.4012/dmj.2023-133] [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] [Indexed: 02/02/2024]
Abstract
Monetite granules were reported to be able to balance osteoclastic resorption and new bone formation. However, to date, the dehydration of preset brushite has been the well-known method for preparing monetite granules. In the present study, for the first time, monetite granules could be prepared from the phase transformation of calcium sulfate dihydrate (CSD) granules through immersion in NaH2PO4 solution under hydrothermal conditions. CSD granules could be fully transformed into monetite granules at a reaction temperature of 125°C for 24 h. The obtained monetite granules were eight times more soluble in acetate buffer than in Tris-HCl buffer. Furthermore, monetite granules were two times more soluble in acetate buffer but comparable in Tris-HCl buffer compared to xenograft HA. The initial cytotoxicity test indicated that the novel monetite granules were nontoxic. In short, novel monetite granules were successfully prepared, exhibited better solubility in osteoclastic simulation than xenograft HA and were nontoxic.
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Affiliation(s)
- Sunarso
- Department of Dental Materials Science, Faculty of Dentistry, Universitas Indonesia
| | - Dyah Rahmawati
- Postgraduate Program, Department of Dental Materials Science, Faculty of Dentistry, Universitas Indonesia
| | - Bambang Irawan
- Department of Dental Materials Science, Faculty of Dentistry, Universitas Indonesia
| | - Azizah Intan Pangesty
- Department of Metallurgical and Material Engineering, Faculty of Engineering, Universitas Indonesia
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4
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Thomas S, Rajendran AR, Subramanian B. Influence of pH in the synthesis of calcium phosphate based nanostructures with enhanced bioactivity and pro-angiogenic properties. J Biomed Mater Res B Appl Biomater 2023; 111:858-871. [PMID: 36398655 DOI: 10.1002/jbm.b.35196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 10/22/2022] [Accepted: 11/06/2022] [Indexed: 11/19/2022]
Abstract
In synthetic fabrication, the process parameters decide the growth nucleation, phase translation, and the evolution of morphological facets of nanostructured materials. This work demonstrates the formation of different crystallographic phases of calcium phosphate by the influence of pH from acidic to alkaline conditions and also investigated their bone regeneration, protein adsorption, and pro-angiogenic properties. Present results illustrate that the alteration of pH is the crucial factor for the synthesis of calcium phosphate (CP) phases. The structural analysis reveals the monetite (CaHPO4 ) phase with a triclinic crystal system for pH 5, dual-phase of monetite combined with hydroxyapatite at the neutral pH 7, and pure phase of hydroxyapatite (Ca10 [PO4 ]6 OH2 ) with hexagonal structure at pH 10. Microscopic analysis portrays the cubic and rod-like morphologies by changing the pH values. FTIR and RAMAN spectroscopic analyses confirm the stretching, bending, and vibrational modes of dominant phosphate groups of different CP phases. Further, the biocompatibility of the prepared CP phases was examined by hemolysis assay, which showed less than 2% of lysis and enhanced cell viability. Moreover, the bioactivity study revealed rapid mineralization and a higher protein adsorption rate for the monetite CP phase (M-CP). Subsequently, the chick embryo angiogenesis assay elucidated 33% higher neovascularization for M-CP compared with the other two CP phases. The fabricated M-CP nanostructure constitutes a promising candidate for biomedical applications.
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Affiliation(s)
- Shalini Thomas
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, India
| | - Ajay Rakkesh Rajendran
- Department of Physics and Nanotechnology, SRM Institute of Science and Technology, Kattankulathur, India
| | - Balakumar Subramanian
- National Centre for Nanoscience and Nanotechnology, University of Madras, Chennai, India
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5
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Goto T, Yin S, Asakura Y, Cho SH, Sekino T. Simultaneous synthesis of hydroxyapatite fibres and β-tricalcium phosphate particles via a water controlled-release solvothermal process. CrystEngComm 2023. [DOI: 10.1039/d2ce01703b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
Abstract
Fibrous hydroxyapatite, rice-like β-tricalcium phosphate and DCPA plates were synthesised by water controlled-release solvothermal process using the esterification reaction.
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Affiliation(s)
- Tomoyo Goto
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, 1-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Shu Yin
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM), Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-0877, Japan
- Advanced Institute for Materials Research (WPI-AIMR), Tohoku University, 2-1-1, Katahira, Aoba-ku, Sendai 980-0877, Japan
| | - Yusuke Asakura
- Kagami Memorial Research Institute for Materials Science and Technology, Waseda University, 2-8-26 Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan
| | - Sung Hun Cho
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Tohru Sekino
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
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6
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Zhang J, Zhang W, Wang L. In Situ Observation of Dicalcium Phosphate Monohydrate Formation and Phase Transformation. J Phys Chem B 2022; 126:4881-4888. [PMID: 35749263 DOI: 10.1021/acs.jpcb.2c01627] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Calcium orthophosphates (CaPs), as important minerals in biomineralization and biomedicine, have attracted wide attention. Dicalcium phosphate monohydrate (DCPM, CaHPO4·H2O), the recently discovered crystalline CaP phase, has a higher metastability than dihydrate (DCPD, CaHPO4·2H2O) and anhydrate (DCPA, CaHPO4), which may lead to many potential applications in functional biomaterial development. However, the preparation of large-sized DCPM and the underlying mechanisms of its formation and phase evolution remain unclear. Herein, for the first time, we propose a method to prepare micrometer-sized DCPM under an acidic water-methanol mixture and using in situ time-resolved atomic force microscopy further explore its crystallization via dissolution of an acidic amorphous calcium phosphate. In support of the potential role of DCPM as the biomaterial, we demonstrate that DCPM can quickly evolve into more stable octacalcium phosphate in a near-physiological solution. This work provides a mechanistic understanding of the formation and phase transformation of DCPM, which may serve as a basis for subsequent synthesis and application of DCPM as functional biomaterials.
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Affiliation(s)
- Jing Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Wenjun Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Lijun Wang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
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7
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Mallakpour S, Mohammadi N. Development of sodium alginate-pectin/TiO2 nanocomposites: Antibacterial and bioactivity investigations. Carbohydr Polym 2022; 285:119226. [DOI: 10.1016/j.carbpol.2022.119226] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 02/01/2022] [Accepted: 02/03/2022] [Indexed: 12/18/2022]
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8
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Solvothermal Synthesis of Calcium-Deficient Hydroxyapatite via Hydrolysis of α-Tricalcium Phosphate in Different Aqueous-Organic Media. CRYSTALS 2022. [DOI: 10.3390/cryst12020253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
In the present work, the effects of various organic solvents (solvent nature and fraction within the solution) and solvothermal conditions on the formation of calcium-deficient hydroxyapatite (CDHA) via hydrolysis of α-tricalcium phosphate (α-TCP) are investigated. The wet precipitation method is applied for α-TCP synthesis, and the hydrolysis reaction is performed in solutions with different water-to-organic solvent ratios under solvothermal conditions at 120 °C for 3 h and at 200 °C for 5 h. Ethyl alcohol, isopropyl alcohol, and butyl alcohol did not inhibit the hydrolysis of α-TCP, while methyl alcohol and ethylene glycol have a more prominent inhibitory effect on the hydrolysis, hence the formation of single-phased CDHA. From all the solvents analysed, ethylene glycol has the highest impact on the sample morphology. Under certain water to ethylene glycol ratios and solvothermal conditions, samples containing a significant fraction of rods are obtained. However, samples prepared with ethylene glycol are characterised by a particularly low BET surface area.
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9
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Pure hydroxyapatite synthesis originating from amorphous calcium carbonate. Sci Rep 2021; 11:11546. [PMID: 34078994 PMCID: PMC8173018 DOI: 10.1038/s41598-021-91064-y] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 05/20/2021] [Indexed: 11/17/2022] Open
Abstract
We report a synthesis strategy for pure hydroxyapatite (HAp) using an amorphous calcium carbonate (ACC) colloid as the starting source. Room-temperature phosphorylation and subsequent calcination produce pure HAp via intermediate amorphous calcium phosphate (ACP). The pre-calcined sample undergoes a competitive transformation from ACC to ACP and crystalline calcium carbonate. The water content, ACC concentration, Ca/P molar ratio, and pH during the phosphorylation reaction play crucial roles in the final phase of the crystalline phosphate compound. Pure HAp is formed after ACP is transformed from ACC at a low concentration (1 wt%) of ACC colloid (1.71 < Ca/P < 1.88), whereas Ca/P = 1.51 leads to pure β-tricalcium phosphate. The ACP phases are precursors for calcium phosphate compounds and may determine the final crystalline phase.
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10
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Zhou H, Yang L, Gbureck U, Bhaduri SB, Sikder P. Monetite, an important calcium phosphate compound-Its synthesis, properties and applications in orthopedics. Acta Biomater 2021; 127:41-55. [PMID: 33812072 DOI: 10.1016/j.actbio.2021.03.050] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 03/22/2021] [Accepted: 03/23/2021] [Indexed: 12/15/2022]
Abstract
This review recognizes a unique calcium phosphate (CaP) phase known as monetite or dicalcium phosphate anhydrous (DCPA, CaHPO4), and presents an overview of its properties, processing, and applications in orthopedics. The motivation for the present effort is to highlight the state-of-the-art research and development of monetite and propel the research community to explore more of its potentials in orthopedics. After a brief introduction of monetite, we provide a summary of its various synthesis routes like dehydration, solvent-based, energy-assisted processes and also discuss the formation of different crystal structures with respect to the synthesis conditions. Subsequently, we discuss the material's noteworthy physico-chemical properties including the crystal structure, vibrational spectra, solubility, thermal decomposition, and conversion to other phases. Of note, we focus on the biological (in vitro and in vivo) properties of monetite, given its ever-increasing popularity as a biomaterial for medical implants. Appropriately, we discuss various orthopedic applications of monetite as bone cement, implant coatings, granules for defect fillers, and scaffolds. Many in vitro and in vivo studies confirmed the favorable osteointegration and osteoconduction properties of monetite products, along with a better balance between implant resorption and new bone formation as compared to other CaP phases. The review ends with translational aspects of monetite and presents thoughts about its possible future research directions. Further research may explore but not limited to improvements in mechanical strength of monetite-based scaffolds, using monetite particles as a therapeutic agent delivery, and tissue engineering strategies where monetite serves as the biomaterial. STATEMENT OF SIGNIFICANCE: This is the first review that focusses on the favorable potential of monetite for hard tissue repair and regeneration. The article accurately covers the "Synthesis-Structure-Property-Applications" correlations elaborating on monetite's diverse material properties. Special focus is put on the in vitro and in vivo properties of the material highlighting monetite as an orthopedic material-of-choice. The synthesis techniques are discussed which provide important information about the different fabrication routes for monetite. Most importantly, the review provides comprehensive knowledge about the diverse biomedical applications of monetite as granules, defect--specific scaffolds, bone cements and implant coatings. This review will help to highlight monetite's potential as an effective regenerative medicine and catalyze the continuing translation of this bioceramic from the laboratory to clinics.
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Affiliation(s)
- H Zhou
- Center for Health Science and Engineering, School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China; International Research Center for Translational Orthopaedics (IRCTO), Jiangsu, China
| | - L Yang
- Center for Health Science and Engineering, School of Materials Science and Engineering, Hebei University of Technology, Tianjin, China; International Research Center for Translational Orthopaedics (IRCTO), Jiangsu, China
| | - U Gbureck
- Department for Functional Materials in Medicine and Dentistry, University Hospital of Würzburg, Würzburg, Germany
| | - S B Bhaduri
- Department of Mechanical, Industrial & Manufacturing Engineering, The University of Toledo, Toledo, OH, USA; ENG-EEC Division, The National Science Foundation (NSF), Alexandria, VA, USA
| | - P Sikder
- Department of Mechanical Engineering, Cleveland State University, Cleveland, OH, USA.
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11
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Reynaud C, Thomas C, Casale S, Nowak S, Costentin G. Development of a thermodynamic approach to assist the control of the precipitation of hydroxyapatites and associated calcium phosphates in open systems. CrystEngComm 2021. [DOI: 10.1039/d1ce00482d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Thermodynamics of the precipitation of calcium phosphates shows the importance of the pH and the order of introduction of the precursor ions on the textural (morphology, surface area) and structural (defects) properties of hydroxyapatites.
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Affiliation(s)
- Corentin Reynaud
- Sorbonne Université
- CNRS
- Laboratoire de Réactivité de Surface (LRS)
- 75005 Paris
- France
| | - Cyril Thomas
- Sorbonne Université
- CNRS
- Laboratoire de Réactivité de Surface (LRS)
- 75005 Paris
- France
| | - Sandra Casale
- Sorbonne Université
- CNRS
- Laboratoire de Réactivité de Surface (LRS)
- 75005 Paris
- France
| | - Sophie Nowak
- Plateforme Rayons X
- UFR de Chimie
- Université Paris Diderot
- Paris
- France
| | - Guylène Costentin
- Sorbonne Université
- CNRS
- Laboratoire de Réactivité de Surface (LRS)
- 75005 Paris
- France
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12
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Bartkowiak A, Zarzycki A, Kac S, Perzanowski M, Marszalek M. Mechanical Properties of Different Nanopatterned TiO 2 Substrates and Their Effect on Hydrothermally Synthesized Bioactive Hydroxyapatite Coatings. MATERIALS 2020; 13:ma13225290. [PMID: 33238366 PMCID: PMC7700237 DOI: 10.3390/ma13225290] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 11/14/2020] [Accepted: 11/18/2020] [Indexed: 12/24/2022]
Abstract
Nanotechnology is a very attractive tool for tailoring the surface of an orthopedic implant to optimize its interaction with the biological environment. Nanostructured interfaces are promising, especially for orthopedic applications. They can not only improve osseointegration between the implant and the living bone but also may be used as drug delivery platforms. The nanoporous structure can be used as a drug carrier to the surrounding tissue, with the intention to accelerate tissue–implant integration as well as to reduce and treat bacterial infections occurring after implantation. Titanium oxide nanotubes are promising for such applications; however, their brittle nature could be a significantly limiting factor. In this work, we modified the topography of commercially used titanium foil by the anodization process and hydrothermal treatment. As a result, we obtained a crystalline nanoporous u-shaped structure (US) of anodized titanium oxide with improved resistance to scratch compared to TiO2 nanotubes. The US titanium substrate was successfully modified with hydroxyapatite coating and investigated for bioactivity. Results showed high bioactivity in simulated body fluid (SBF) after two weeks of incubation.
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Affiliation(s)
- Amanda Bartkowiak
- Institute of Nuclear Physics PAN, Radzikowskiego 152, PL-31342 Krakow, Poland; (A.Z.); (M.P.); (M.M.)
- Correspondence:
| | - Arkadiusz Zarzycki
- Institute of Nuclear Physics PAN, Radzikowskiego 152, PL-31342 Krakow, Poland; (A.Z.); (M.P.); (M.M.)
| | - Slawomir Kac
- Faculty of Metals Engineering and Industrial Computer Science, AGH University of Science and Technology, Mickiewicza 30, PL-30059 Krakow, Poland;
| | - Marcin Perzanowski
- Institute of Nuclear Physics PAN, Radzikowskiego 152, PL-31342 Krakow, Poland; (A.Z.); (M.P.); (M.M.)
| | - Marta Marszalek
- Institute of Nuclear Physics PAN, Radzikowskiego 152, PL-31342 Krakow, Poland; (A.Z.); (M.P.); (M.M.)
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13
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In Y, Amornkitbamrung U, Hong MH, Shin H. On the Crystallization of Hydroxyapatite under Hydrothermal Conditions: Role of Sebacic Acid as an Additive. ACS OMEGA 2020; 5:27204-27210. [PMID: 33134681 PMCID: PMC7594153 DOI: 10.1021/acsomega.0c03297] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 10/06/2020] [Indexed: 05/25/2023]
Abstract
Hydroxyapatite (HAp) is a major inorganic component in bone minerals and is often used for bone tissue engineering. Herein, we synthesized HAp using sebacic acid as an additive at different pH values by a hydrothermal method. Sebacic acid, which has two carboxyl group ends of the carbonate chain, binds with Ca ions during the hydrothermal process to become a crystal nucleation site in (001) and at the same time could act as an inhibitor in a specific direction [i.e., (110)] for the HAp crystal growth. Sebacic acid and the hydroxyl ion (OH-) are competitively attracted to the a(b)-plane of HAp. Depending on the pH condition, the crystal growth resulted in different morphologies depending on the ratio of sebacic acid and hydroxide ions. It was confirmed through Fourier-transform infrared spectroscopy and Raman spectroscopy that dicalcium phosphate anhydrous with HPO4 was produced under acidic conditions and HAp was produced under neutral and basic conditions. The plate- and nanorod-HAp crystals' preferential growth along the c-axis, which were obtained under neutral and basic conditions, was analyzed by transmission electron microscopy. Growth control in the c-axis direction of HAp is necessary for the understanding of crystallization of bone minerals because the mineral inside the collagen fibrils in bone tissue also shows a c-axis orientation.
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14
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Calcium Phosphate Based Bioactive Ceramic Layers on Implant Materials Preparation, Properties, and Biological Performance. COATINGS 2020. [DOI: 10.3390/coatings10090823] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Calcium phosphate based bioactive ceramics (CPCs) can be successfully applied as implant coatings since they are chemically similar to the inorganic constituent of hard tissues (bones, teeth). Nowadays, in orthopedic surgeries, it is still common to use metallic implants. However, the biological response of the human body to these foreign materials can be adverse, causing the failure of implant materials. This disadvantage can be avoided by bioactive coatings on the surface of implants. CPCs can be prepared by different routes that provide coatings of different quality and properties. In our paper, we compared the morphological, chemical, and biological properties of CPC coatings prepared by the pulse current electrochemical method. The size and thickness of the pulse current deposited platelets largely depended on the applied parameters such as the length of ton and the current density. The decrease in the ton/toff ratio resulted in thinner, more oriented platelets, while the increase in current density caused a significant decrease in grain size. The higher pH value and the heat treatment favored the phase transformation of CPCs from monetite to hydroxyapatite. The contact angle measurements showed increased hydrophilicity of the CPC sample as well as better biocompatibility compared to the uncoated implant material.
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Neacsu IA, Serban AP, Nicoara AI, Trusca R, Ene VL, Iordache F. Biomimetic Composite Scaffold Based on Naturally Derived Biomaterials. Polymers (Basel) 2020; 12:E1161. [PMID: 32438578 PMCID: PMC7284724 DOI: 10.3390/polym12051161] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 05/08/2020] [Accepted: 05/12/2020] [Indexed: 01/10/2023] Open
Abstract
This paper proposes the development of a biomimetic composite based on naturally derived biomaterials. This freeze-dried scaffold contains a microwave-synthesized form of biomimetic hydroxyapatite (HAp), using the interwoven hierarchical structure of eggshell membrane (ESM) as bio-template. The bone regeneration capacity of the scaffold is enhanced with the help of added tricalcium phosphate from bovine Bone ash (BA). With the addition of Gelatin (Gel) and Chitosan (CS) as organic matrix, the obtained composite is characterized by the ability to stimulate the cellular response and might accelerate the bone healing process. Structural characterization of the synthesized HAp (ESM) confirms the presence of both hydroxyapatite and monetite phases, in accordance with the spectroscopy results on the ESM before and after the microwave thermal treatment (the presence of phosphate group). Morphology studies on all individual components and final scaffold, highlight their morphology and porous structure, characteristics that influence the biocompatibility of the scaffold. Porosity, swelling rate and the in vitro cytotoxicity assays performed on amniotic fluid stem cells (AFSC), demonstrate the effective biocompatibility of the obtained materials. The experimental results presented in this paper highlight an original biocomposite scaffold obtained from naturally derived materials, in a nontoxic manner.
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Affiliation(s)
- Ionela Andreea Neacsu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (I.A.N.); (A.I.N.); (V.L.E.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania;
| | - Adriana Petruta Serban
- Department of Chemical Thermodynamics, “Ilie Murgulescu” Institute of Physical Chemistry, Romanian Academy, 060021 Bucharest, Romania
| | - Adrian Ionut Nicoara
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (I.A.N.); (A.I.N.); (V.L.E.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania;
| | - Roxana Trusca
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania;
| | - Vladimir Lucian Ene
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (I.A.N.); (A.I.N.); (V.L.E.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania;
| | - Florin Iordache
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Agronomic Science and Veterinary Medicine, 011464 Bucharest, Romania;
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Qi ML, Yao S, Liu XC, Wang X, Cui F. Nanosheet-assembled carbonated hydroxyapatite microspheres prepared by an EDTA-assisted hydrothermal homogeneous precipitation route. CrystEngComm 2020. [DOI: 10.1039/d0ce00305k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Well-defined carbonated hydroxyapatite microspheres assembled from nanosheets were synthesized by a Na2EDTA-assisted hydrothermal homogeneous precipitation route.
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Affiliation(s)
- Mei-li Qi
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
- School of Materials Science and Engineering
| | - Shengkun Yao
- Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Device
- School of Physics and Electronics
- Shandong Normal University
- Ji'nan 250358
- China
| | - Xiao-Cun Liu
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
| | - Xiaoning Wang
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
| | - Fengkun Cui
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
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Electrochemical properties and bioactivity of hydroxyapatite coatings prepared by MEA/EDTA double-regulated hydrothermal synthesis. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.12.140] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Development of novel zirconia implant's materials gradated design with improved bioactive surface. J Mech Behav Biomed Mater 2019; 94:110-125. [PMID: 30884280 DOI: 10.1016/j.jmbbm.2019.02.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2019] [Revised: 02/14/2019] [Accepted: 02/20/2019] [Indexed: 01/25/2023]
Abstract
Zirconia implants are becoming a preference choice for different applications such as knee, dental, among others. In order to improve osseointegration, implant's surfaces are usually coated with bioactive materials like hydroxyapatite (HAp) and beta-tricalcium phosphate (β-TCP) that are very similar to the calcium phosphates found in bones. However, due to the implantation process, these coatings can be detached from the zirconia surface, leading to implant premature failure. In this work, a new component materials design aiming to avoid this coating detachment problem is proposed. It is based on the use of a bioactive zirconia-calcium phosphate composite outer layer onto the zirconia bulk, where the zirconia bulk provides mechanical strength and the outer layer provides biological performance. In order to assess the potential of this new materials design, two types of bioactive zirconia outer composite layers (zirconia reinforced by 10 vol% of HAp and by 10 vol% of β-TCP) were produced by press and sinter process and the gradated samples were fully characterized concerning materials, mechanical resistance, fatigue resistance, and biological performance, as measured by different approaches. Results showed that the novel component materials design and the manufacturing process proposed for producing the bioactive zirconia samples with outer composite layers on zirconia bulk substrates are a promising solution for implants, with improved biological performance without substantially compromising their overall mechanical and fatigue properties.
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