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Zarif ME, Bita B, Yehia-Alexe SA, Negut I, Groza A. Spectral Analysis of Strontium-Doped Calcium Phosphate/Chitosan Composite Films. Polymers (Basel) 2023; 15:4245. [PMID: 37959925 PMCID: PMC10647319 DOI: 10.3390/polym15214245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 11/15/2023] Open
Abstract
Strontium-doped calcium phosphate/chitosan films were synthetized on silicon substrates using the radio-frequency magnetron sputtering technique and the matrix-assisted pulsed laser evaporation technique. The deposition conditions associated with the radio-frequency magnetron sputtering discharge, in particular, include the high temperature at the substrate, which promotes the formation of strontium-doped tetra calcium phosphate layers. The physical and chemical processes associated with the deposition of chitosan on strontium-doped calcium phosphate layers were investigated using Fourier Transform Infrared Spectroscopy, Energy Dispersive X-ray Spectroscopy, and Scanning Electron Microscopy. Mass spectrometry coupled with laser induced ablation of the composite films proved to be a useful tool in the detection of the molecular ions characteristic to chitosan chemical structure.
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Affiliation(s)
- Maria Elena Zarif
- National Institute for Lasers, Plasma and Radiation Physics, 077125 Măgurele, Romania; (M.E.Z.); (B.B.); (S.A.Y.-A.); (I.N.)
- Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 011061 Bucharest, Romania
| | - Bogdan Bita
- National Institute for Lasers, Plasma and Radiation Physics, 077125 Măgurele, Romania; (M.E.Z.); (B.B.); (S.A.Y.-A.); (I.N.)
- Faculty of Physics, University of Bucharest, 077125 Măgurele, Romania
| | - Sasa Alexandra Yehia-Alexe
- National Institute for Lasers, Plasma and Radiation Physics, 077125 Măgurele, Romania; (M.E.Z.); (B.B.); (S.A.Y.-A.); (I.N.)
- Faculty of Physics, University of Bucharest, 077125 Măgurele, Romania
| | - Irina Negut
- National Institute for Lasers, Plasma and Radiation Physics, 077125 Măgurele, Romania; (M.E.Z.); (B.B.); (S.A.Y.-A.); (I.N.)
| | - Andreea Groza
- National Institute for Lasers, Plasma and Radiation Physics, 077125 Măgurele, Romania; (M.E.Z.); (B.B.); (S.A.Y.-A.); (I.N.)
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Sharma S, Mudgal D, Gupta V. Advancement in biological and mechanical behavior of 3D printed poly lactic acid bone plates using polydopamine coating: Innovation for healthcare. J Mech Behav Biomed Mater 2023; 143:105929. [PMID: 37263171 DOI: 10.1016/j.jmbbm.2023.105929] [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: 04/05/2023] [Revised: 05/20/2023] [Accepted: 05/21/2023] [Indexed: 06/03/2023]
Abstract
The metallic biomaterials have been proclaimed to exhibit stress shielding with discharge of toxic ions, leading to polymeric implants attracting interest in 3D Printing domain. In this study, Poly Lactic Acid based 336 bone plates are fabricated using Fused Filament Fabrication with printing parameters being varied. Polydopamine, being biocompatible, is deposited on fabricated bone plates at varying submersion time, shaker speed and coating solutions concentration. The study involves witnessing the effect of printing and coating parameters on biological behavior of bone plates upon preservation in Simulated Body Fluid and Hank's Balanced Salt Solution. The findings propose the close relation of degradation with apatite growth. The highest degradation rate with significant reduction in mechanical characteristics are shown by uncoated bone plates. These bone plates have porous structure at 20% infill density, 0.5 mm layer height, 0.4 mm wall thickness and 100 mm/s print speed which could result in complete degradation with partial healing of bone fracture. The study suggests the preservation of bone plates coated at 120 h' submersion time and 120 RPM shaker speed in 3 mg/ml concentrated solution which showed lower apatite formation. Thus, the coating would slow down degradation of PLA bone plates, resulting in complete healing of bone fracture.
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Affiliation(s)
- Shrutika Sharma
- Mechanical Engineering Department, Thapar Institute of Engineering and Technology, Patiala, 147004, Punjab, India
| | - Deepa Mudgal
- Mechanical Engineering Department, Thapar Institute of Engineering and Technology, Patiala, 147004, Punjab, India
| | - Vishal Gupta
- Mechanical Engineering Department, Thapar Institute of Engineering and Technology, Patiala, 147004, Punjab, India.
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Dorozhkin SV. There Are over 60 Ways to Produce Biocompatible Calcium Orthophosphate (CaPO4) Deposits on Various Substrates. JOURNAL OF COMPOSITES SCIENCE 2023; 7:273. [DOI: 10.3390/jcs7070273] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/02/2024]
Abstract
A The present overview describes various production techniques for biocompatible calcium orthophosphate (abbreviated as CaPO4) deposits (coatings, films and layers) on the surfaces of various types of substrates to impart the biocompatible properties for artificial bone grafts. Since, after being implanted, the grafts always interact with the surrounding biological tissues at the interfaces, their surface properties are considered critical to clinical success. Due to the limited number of materials that can be tolerated in vivo, a new specialty of surface engineering has been developed to desirably modify any unacceptable material surface characteristics while maintaining the useful bulk performance. In 1975, the development of this approach led to the emergence of a special class of artificial bone grafts, in which various mechanically stable (and thus suitable for load-bearing applications) implantable biomaterials and artificial devices were coated with CaPO4. Since then, more than 7500 papers have been published on this subject and more than 500 new publications are added annually. In this review, a comprehensive analysis of the available literature has been performed with the main goal of finding as many deposition techniques as possible and more than 60 methods (double that if all known modifications are counted) for producing CaPO4 deposits on various substrates have been systematically described. Thus, besides the introduction, general knowledge and terminology, this review consists of two unequal parts. The first (bigger) part is a comprehensive summary of the known CaPO4 deposition techniques both currently used and discontinued/underdeveloped ones with brief descriptions of their major physical and chemical principles coupled with the key process parameters (when possible) to inform readers of their existence and remind them of the unused ones. The second (smaller) part includes fleeting essays on the most important properties and current biomedical applications of the CaPO4 deposits with an indication of possible future developments.
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Affiliation(s)
- Sergey V. Dorozhkin
- Faculty of Physics, M.V. Lomonosov Moscow State University, Leninskie Gory 1-2, Moscow 119991, Russia
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Rahmani F, Larbi Bouamrane O, Ben Bouabdallah A, Atanase LI, Hellal A, Apintiliesei AN. Biomimetic Hydroxyapatite Crystals Growth on Phosphorylated Chitosan Films by In Vitro Mineralization Used as Dental Substitute Materials. Polymers (Basel) 2023; 15:polym15112470. [PMID: 37299269 DOI: 10.3390/polym15112470] [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: 04/05/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/12/2023] Open
Abstract
Chitosan (CS) films exhibit great potential as a substrate for the in vitro mineralization process. In this study, to mimic the formation of nanohydroxyapatite (HAP) as natural tissue, CS films coated with a porous calcium phosphate were investigated using scanning electron microscopy (SEM), Energy dispersive X-ray spectroscopy (EDX), Fourier transforms infrared spectroscopy (FTIR), X-ray diffractometry (XRD) and X-ray photoelectron spectroscopy (XPS). Calcium phosphate coating deposited on phosphorylated derivatives of CS was obtained by a process based on phosphorylation, Ca(OH)2 treatment and artificial saliva solution (ASS) immersion. The phosphorylated CS films (PCS) were obtained by partial hydrolysis of the PO4 functionalities. It was demonstrated that this precursor phase could induce the growth and the nucleation of the porous calcium phosphate coating when immersed in ASS. Moreover, oriented crystals and qualitative control of calcium phosphate phases on CS matrices are obtained in a biomimetic mode. Furthermore, in vitro antimicrobial activity of PCS was evaluated against three species of oral bacteria and fungi. It revealed an increase in antimicrobial activity with minimum inhibition concentration (MIC) values of 0.10% (Candida albicans), 0.05% (Staphylococcus aureus) and 0.025% (Escherichia coli) which proves their possible use as dental substitute materials.
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Affiliation(s)
- Fathia Rahmani
- Department of Technology, Faculty of Science and Technology, University of Djillali Bounaama, Theniet El Had Street, Khemis-Miliana, Ain Defla 44225, Algeria
- Laboratory for the Processing and Shaping of Fibrous Polymers (LTMFP), M'Hamed Bougara University, Boumerdes 35000, Algeria
| | - Omar Larbi Bouamrane
- Institute of Science, University Center of Tipaza Morseli Abdallah, Oued Merzoug, Tipaza 42022, Algeria
- Laboratory of Natural Substances Valorization (LVSN), Faculty of Science and Technology, University of Djillali Bounaama, Theniet El Had Street, Khemis-Miliana, Ain Defla 44225, Algeria
| | - Amina Ben Bouabdallah
- Laboratory for the Processing and Shaping of Fibrous Polymers (LTMFP), M'Hamed Bougara University, Boumerdes 35000, Algeria
- Department of Process Engineering, Faculty of Technology, University of M'hamed Bougara, Boumerdes 35000, Algeria
- Food Technology Laboratory, University of M'hamed Bougara, Boumerdes 35000, Algeria
| | - Leonard I Atanase
- Faculty of Medical Dentistry, "Apollonia" University of Iasi, 700511 Iasi, Romania
- Academy of Romanian Scientists, 050045 Bucharest, Romania
| | - Abdelkader Hellal
- Laboratory of Natural Substances Valorization (LVSN), Faculty of Science and Technology, University of Djillali Bounaama, Theniet El Had Street, Khemis-Miliana, Ain Defla 44225, Algeria
- Chemistry Department, Faculty of Sciences, University of Ferhat Abbas-Sétif-1, Sétif 19137, Algeria
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Chen C, Huang B, Liu Y, Liu F, Lee IS. Functional engineering strategies of 3D printed implants for hard tissue replacement. Regen Biomater 2022; 10:rbac094. [PMID: 36683758 PMCID: PMC9845531 DOI: 10.1093/rb/rbac094] [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: 06/03/2022] [Revised: 10/20/2022] [Accepted: 10/27/2022] [Indexed: 11/27/2022] Open
Abstract
Three-dimensional printing technology with the rapid development of printing materials are widely recognized as a promising way to fabricate bioartificial bone tissues. In consideration of the disadvantages of bone substitutes, including poor mechanical properties, lack of vascularization and insufficient osteointegration, functional modification strategies can provide multiple functions and desired characteristics of printing materials, enhance their physicochemical and biological properties in bone tissue engineering. Thus, this review focuses on the advances of functional engineering strategies for 3D printed biomaterials in hard tissue replacement. It is structured as introducing 3D printing technologies, properties of printing materials (metals, ceramics and polymers) and typical functional engineering strategies utilized in the application of bone, cartilage and joint regeneration.
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Affiliation(s)
- Cen Chen
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Bo Huang
- College of Life Sciences and Medicine, Zhejiang Sci-Tech University, Hangzhou 310018, PR China
| | - Yi Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, PR China
| | - Fan Liu
- Department of Orthodontics, School of Stomatology, China Medical University, Shenyang 110002, PR China
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Hong MH, Lee JH, Jung HS, Shin H, Shin H. Biomineralization of bone tissue: calcium phosphate-based inorganics in collagen fibrillar organic matrices. Biomater Res 2022; 26:42. [PMID: 36068587 PMCID: PMC9450317 DOI: 10.1186/s40824-022-00288-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/22/2022] [Indexed: 01/20/2023] Open
Abstract
BACKGROUND Bone regeneration research is currently ongoing in the scientific community. Materials approved for clinical use, and applied to patients, have been developed and produced. However, rather than directly affecting bone regeneration, these materials support bone induction, which regenerates bone. Therefore, the research community is still researching bone tissue regeneration. In the papers published so far, it is hard to find an improvement in the theory of bone regeneration. This review discusses the relationship between the existing theories on hard tissue growth and regeneration and the biomaterials developed so far for this purpose and future research directions. MAINBODY Highly complex nucleation and crystallization in hard tissue involves the coordinated action of ions and/or molecules that can produce different organic and inorganic composite biomaterials. In addition, the healing of bone defects is also affected by the dynamic conditions of ions and nutrients in the bone regeneration process. Inorganics in the human body, especially calcium- and/or phosphorus-based materials, play an important role in hard tissues. Inorganic crystal growth is important for treating or remodeling the bone matrix. Biomaterials used in bone tissue regeneration require expertise in various fields of the scientific community. Chemical knowledge is indispensable for interpreting the relationship between biological factors and their formation. In addition, sources of energy for the nucleation and crystallization processes of such chemical bonds and minerals that make up the bone tissue must be considered. However, the exact mechanism for this process has not yet been elucidated. Therefore, a convergence of broader scientific fields such as chemistry, materials, and biology is urgently needed to induce a distinct bone tissue regeneration mechanism. CONCLUSION This review provides an overview of calcium- and/or phosphorus-based inorganic properties and processes combined with organics that can be regarded as matrices of these minerals, namely collagen molecules and collagen fibrils. Furthermore, we discuss how this strategy can be applied to future bone tissue regenerative medicine in combination with other academic perspectives.
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Affiliation(s)
- Min-Ho Hong
- Department of Dental Biomaterials and Research Institute of Oral Science, College of Dentistry, Gangneung-Wonju National University, Gangneung, 25457, Republic of Korea
| | - Jung Heon Lee
- School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Hyun Suk Jung
- School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Heungsoo Shin
- Department of Bioengineering, Hanyang University, Seoul, 04763, Republic of Korea
- BK21 Plus Future Biopharmaceutical Human Resources Training and Research Team, Hanyang University, Seoul, 04763, Republic of Korea
- Institute of Nano Science & Technology (INST), Hanyang University, Seoul, 04763, Republic of Korea
| | - Hyunjung Shin
- SKKU Institute of Energy Science and Technology (SIEST), Sungkyunkwan University, Suwon, 16419, Republic of Korea.
- Department of Energy Science, Nature Inspired Materials Processing Research Center, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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7
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Mischo J, Faidt T, McMillan RB, Dudek J, Gunaratnam G, Bayenat P, Holtsch A, Spengler C, Müller F, Hähl H, Bischoff M, Hannig M, Jacobs K. Hydroxyapatite Pellets as Versatile Model Surfaces for Systematic Adhesion Studies on Enamel: A Force Spectroscopy Case Study. ACS Biomater Sci Eng 2022; 8:1476-1485. [PMID: 35263544 PMCID: PMC9007113 DOI: 10.1021/acsbiomaterials.1c00925] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 02/22/2022] [Indexed: 02/08/2023]
Abstract
Research into materials for medical application draws inspiration from naturally occurring or synthesized surfaces, just like many other research directions. For medical application of materials, particular attention has to be paid to biocompatibility, osseointegration, and bacterial adhesion behavior. To understand their properties and behavior, experimental studies with natural materials such as teeth are strongly required. The results, however, may be highly case-dependent because natural surfaces have the disadvantage of being subject to wide variations, for instance in their chemical composition, structure, morphology, roughness, and porosity. A synthetic surface which mimics enamel in its performance with respect to bacterial adhesion and biocompatibility would, therefore, facilitate systematic studies much better. In this study, we discuss the possibility of using hydroxyapatite (HAp) pellets to simulate the surfaces of teeth and show the possibility and limitations of using a model surface. We performed single-cell force spectroscopy with single Staphylococcus aureus cells to measure adhesion-related parameters such as adhesion force and rupture length of cell wall proteins binding to HAp and enamel. We also examine the influence of blood plasma and saliva on the adhesion properties of S. aureus. The results of these measurements are matched to water wettability, elemental composition of the samples, and the change in the macromolecules adsorbed over time on the surface. We found that the adhesion properties of S. aureus were similar on HAp and enamel samples under all conditions: Significant decreases in adhesion strength were found equally in the presence of saliva or blood plasma on both surfaces. We therefore conclude that HAp pellets are a good alternative for natural dental material. This is especially true when slight variations in the physicochemical properties of the natural materials may affect the experimental series.
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Affiliation(s)
- Johannes Mischo
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Thomas Faidt
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Ryan B. McMillan
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Johanna Dudek
- Clinic
of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66421 Homburg/Saar, Germany
| | - Gubesh Gunaratnam
- Institute
of Medical Microbiology and Hygiene and Center for Biophysics, Saarland University, 66421 Homburg/Saar, Germany
| | - Pardis Bayenat
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Anne Holtsch
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Christian Spengler
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Frank Müller
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Hendrik Hähl
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
| | - Markus Bischoff
- Institute
of Medical Microbiology and Hygiene and Center for Biophysics, Saarland University, 66421 Homburg/Saar, Germany
| | - Matthias Hannig
- Clinic
of Operative Dentistry, Periodontology and Preventive Dentistry, Saarland University, 66421 Homburg/Saar, Germany
| | - Karin Jacobs
- Experimental
Physics and Center for Biophysics, Saarland
University, 66123 Saarbrücken, Germany
- Max
Planck School Matter to Life, Jahnstraße 29, 69120 Heidelberg, Germany
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Donnadio A, Bini M, Centracchio C, Mattarelli M, Caponi S, Ambrogi V, Pietrella D, Di Michele A, Vivani R, Nocchetti M. Bioinspired Reactive Interfaces Based on Layered Double Hydroxides-Zn Rich Hydroxyapatite with Antibacterial Activity. ACS Biomater Sci Eng 2021; 7:1361-1373. [PMID: 33739085 DOI: 10.1021/acsbiomaterials.0c01643] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This work is focused on the preparation and multi-technique characterization of potentially biocompatible reactive interfaces obtained by combining layered double hydroxides (LDHs) and hydroxyapatite (HA). Antimicrobial and osteoinductive metallic ions as Zn2+ and Ga3+ were chosen as intralayer constituents of LDH to obtain ZnAl and ZnAlGa systems. These LDHs, exchanged with dihydrogenphosphate anions, promoted the precipitation of HA on the LDH surface yielding HA@LDH composites. X-ray diffraction quantitative analysis, through the Rietveld refinement method, coupled with elemental analysis and micro-Raman spectroscopy showed the formation of a mixed Ca-Zn HA phase. Scanning electron microscopy revealed that HA, in the presence of LDH, grew preferentially along its a-axis, thus crystallizing mainly in the form of flake crystals. LDH and HA@LDH composites showed antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa at not cytotoxic concentrations for human osteoblasts (hFob 1.19), especially when Ga cations were present in the LDH structure. The effect of the presence of HA in the composites on the bone-bonding ability and on human osteoblast proliferation was also investigated. The HA seemed to reduce the toxicity of the LDH toward human osteoblast while did not affect the bone-bonding ability. This multidisciplinary study provides the bio-chemical, structural characterization of new LDH and HA@LDH composites, evaluating also their bioactivity to be potentially applicable to titanium-based prostheses.
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Affiliation(s)
- Anna Donnadio
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Marzia Bini
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Catia Centracchio
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Maurizio Mattarelli
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Silvia Caponi
- Istituto Officina dei Materiali, National Research Council (IOM-CNR), Unit of Perugia, c/o Department of Physics and Geology, University of Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Valeria Ambrogi
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Donatella Pietrella
- Dipartimento di Medicina, Università di Perugia, Piazzale Gambuli, 1, 06132 Perugia, Italy
| | - Alessandro Di Michele
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Riccardo Vivani
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Morena Nocchetti
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
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Current Challenges and Innovative Developments in Hydroxyapatite-Based Coatings on Metallic Materials for Bone Implantation: A Review. COATINGS 2020. [DOI: 10.3390/coatings10121249] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Biomaterials are in use for the replacement and reconstruction of several tissues and organs as treatment and enhancement. Metallic, organic, and composites are some of the common materials currently in practice. Metallic materials contribute a big share of their mechanical strength and resistance to corrosion properties, while organic polymeric materials stand high due to their biocompatibility, biodegradability, and natural availability. To enhance the biocompatibility of these metals and alloys, coatings are frequently applied. Organic polymeric materials and ceramics are extensively utilized for this purpose due to their outstanding characteristics of biocompatibility and biodegradability. Hydroxyapatite (HAp) is the material from the ceramic class which is an ultimate candidate for coating on these metals for biomedical applications. HAp possesses similar chemical and structural characteristics to normal human bone. Due to the bioactivity and biocompatibility of HAp, it is used for bone implants for regenerating bone tissues. This review covers an extensive study of the development of HAp coatings specifically for the orthopaedic applications that include different coating techniques and the process parameters of these coating techniques. Additionally, the future direction and challenges have been also discussed briefly in this review, including the coating of HAp in combination with other calcium magnesium phosphates that occur naturally in human bone.
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Jaafar A, Hecker C, Árki P, Joseph Y. Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review. Bioengineering (Basel) 2020; 7:bioengineering7040127. [PMID: 33066421 PMCID: PMC7711523 DOI: 10.3390/bioengineering7040127] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/05/2020] [Accepted: 10/10/2020] [Indexed: 01/02/2023] Open
Abstract
With the growing demands for bone implant therapy, titanium (Ti) and its alloys are considered as appropriate choices for the load-bearing bone implant substitutes. However, the interaction of bare Ti-based implants with the tissues is critical to the success of the implants for long-term stability. Thus, surface modifications of Ti implants with biocompatible hydroxyapatite (HAp) coatings before implantation is important and gained interest. Sol-gel is a potential technique for deposition the biocompatible HAp and has many advantages over other methods. Therefore, this review strives to provide widespread overview on the recent development of sol-gel HAp deposition on Ti. This study shows that sol-gel technique was able to produce uniform and homogenous HAp coatings and identified the role of surface pretreatment of Ti substrate, optimizing the sol-gel parameters, substitution, and reinforcement of HAp on improving the coating properties. Critical factors that influence on the characteristics of the deposited sol-gel HAp films as corrosion resistance, adhesion to substrate, bioactivity, morphological, and structural properties are discussed. The review also highlights the critical issues, the most significant challenges, and the areas requiring further research.
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11
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Sarkar N, Morton H, Bose S. Effects of vitamin C on osteoblast proliferation and osteosarcoma inhibition using plasma coated hydroxyapatite on titanium implants. SURFACE & COATINGS TECHNOLOGY 2020; 394:125793. [PMID: 32612317 PMCID: PMC7328859 DOI: 10.1016/j.surfcoat.2020.125793] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Plasma-sprayed hydroxyapatite (HAp) coated titanium (Ti) implants are being extensively used in orthopedic surgeries and post-tumor resection to repair load-bearing segmental bone defects. In this study, vitamin C, an abundantly available natural biomolecule, is loaded onto plasma-sprayed HAp-coated commercially pure titanium (cpTi) surface to evaluate its chemopreventive and osteogenic properties, suggesting its clinical significance as an alternative or adjunct therapy in the treatment for osteosarcoma bone resection. Controlled release of vitamin C from HAp coated cpTi implant is assessed by in vitro drug release study, where Korsmeyer-Peppas model was applied to understand the release kinetics. After 21 days, the implants loaded with 400 and 800 μg of vitamin C showed a cumulative release of 62.7 and 74.1% in acidic microenvironment, whereas, 50.9% and 53.1% of total vitamin C release were observed by the implants loaded with 400 and 800 μg of vitamin C in physiological pH, respectively. To observe the effects of in vitro vitamin C release on osteosarcoma and osteoblast cellular activity, MG-63 (human osteosarcoma) and hFOB (human fetal osteoblast) cells were cultured on the surface of the implant and MTT cell viability assay and FESEM were carried out at 3 and 7 days of culture. Presence of high dosages 25 mM vitamin C shows a statistically significant (p≤0.05) decrease in osteosarcoma cell viability after 3 days, while both 5 mM and 25mM vitamin C reduced cellular viability by 2.5 folds (p≤0.05) compared to the control after 7 days. Interestingly, the presence of vitamin C showed no obvious signs of cytotoxicity towards osteoblast cell-line at day 3 and day 7, as confirmed by the MTT assay. Additionally, the FESEM images depict layers of hFOB cellular morphology on the surface of the implants, suggesting excellent cytocompatibility towards the osteoblast cells. These results suggest that vitamin C loaded HAp coated cpTi implant with improved osteogenic and chemopreventive properties can be considered as a promising reconstructive option to repair the post-tumor resection defects in osteosarcoma.
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12
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Yilmaz B, Pazarceviren AE, Tezcaner A, Evis Z. Historical development of simulated body fluids used in biomedical applications: A review. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104713] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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13
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Yokoi T, Goto T, Kato T, Takahashi S, Nakamura J, Sekino T, Ohtsuki C, Kawashita M. Hydroxyapatite Formation from Octacalcium Phosphate and Its Related Compounds: A Discussion of the Transformation Mechanism. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20200031] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Taishi Yokoi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
- Materials Research and Development Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Tomoyo Goto
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Takeharu Kato
- Nanostructures Research Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Seiji Takahashi
- Materials Research and Development Laboratory, Japan Fine Ceramics Center, 2-4-1 Mutsuno, Atsuta-ku, Nagoya, Aichi 456-8587, Japan
| | - Jin Nakamura
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Tohru Sekino
- The Institute of Scientific and Industrial Research, Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Chikara Ohtsuki
- Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8603, Japan
| | - Masakazu Kawashita
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan
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14
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Groza A, Iconaru SL, Jiga G, Chapon P, Gaiaschi S, Verga N, Beuran M, Prodan AM, Matei M, Marinescu SA, Trusca R, Predoi D. The Effect of the Ionizing Radiation on Hydroxyapatite–Polydimethylsiloxane Layers. POLYM ENG SCI 2019. [DOI: 10.1002/pen.25247] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Andreea Groza
- National Institute for LaserPlasma and Radiation Physics, 409 Atomistilor St., P.O. Box MG36 077125 Magurele Romania
| | | | - Gabriel Jiga
- Faculty of Engineering and Management of Technological Systems, Department of Strengh of MaterialsUniversity Politehnica of Bucharest Bucharest Romania
| | - Patrick Chapon
- Horiba Jobin Yvon SAS, 16‐18 Rue du Canal 91165 Longjumeau Cedex France
| | - Sofia Gaiaschi
- Horiba Jobin Yvon SAS, 16‐18 Rue du Canal 91165 Longjumeau Cedex France
| | - Nicolae Verga
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Coltea Clinical HospitalRadiotherapy Department, Ion C. Brătianu 1 Street Bucharest Romania
| | - Mircea Beuran
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Alina Mihaela Prodan
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Mihai Matei
- Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari, Sector 5 Bucharest 050474 Romania
- Emergency Hospital Floreasca Bucharest, 8 Calea Floresca 014461 Bucharest Romania
| | - Serban Andrei Marinescu
- Oncology Institute Professor Doctor Alexandru Trestioreanu, 252 Fundeni 022328 Bucharest Romania
| | - Roxana Trusca
- Faculty of Applied Chemistry and Materials SciencePolitehnica University of Bucharest 060042 Bucharest Romania
| | - Daniela Predoi
- National Institute of Materials Physics, 405 A Atomistilor Street Magurele Romania
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15
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Budnicka M, Szymaniak M, Kołbuk D, Ruśkowski P, Gadomska-Gajadhur A. Biomineralization of poly-l-lactide spongy bone scaffolds obtained by freeze-extraction method. J Biomed Mater Res B Appl Biomater 2019; 108:868-879. [PMID: 31339656 DOI: 10.1002/jbm.b.34441] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Revised: 04/17/2019] [Accepted: 06/28/2019] [Indexed: 12/14/2022]
Abstract
Implants in the form of polymer scaffolds are commonly used to regenerate bone tissue after traumas or tooth extractions. However, few implant formation methods enable building polymer scaffolds allowing to reconstruct larger bone losses without immune response. Spacious, porous poly-l-lactide implants with considerable volume were obtained using the phase inversion method with the freeze-extraction variant. The calcium phosphate (CaP) coating was deposited on implant surfaces with the biomimetic method to improve the implant's osteoconductivity. The substitues morphology was characterized-porosity, size and shape of pores; mechanical properties, mass absorbability of implants before and after mineralization. The characteristics were provided with scanning electron microscopy (SEM), static compression test and hydrostatic weighing, respectively. The presence of CaPs in the entire volume of the implant was confirmed with SEM and infrared spectroscopy with Fourier transform (FTIR). The biocompatibility of scaffolds was confirmed with in vitro quantitative test and microscopic observations. The obtained results show that the implants can be used in tissue engineering as a vehicle of platelet-rich plasma to regenerate critical spongy bone losses.
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Affiliation(s)
- Monika Budnicka
- Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland
| | - Monika Szymaniak
- Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland
| | - Dorota Kołbuk
- Institute of Fundamental Technological Research PAS, Warsaw, Poland
| | - Paweł Ruśkowski
- Faculty of Chemistry, Warsaw University of Technology, Warsaw, Poland
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16
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Alhamdi JR, Peng T, Al-Naggar IM, Hawley KL, Spiller KL, Kuhn LT. Controlled M1-to-M2 transition of aged macrophages by calcium phosphate coatings. Biomaterials 2019; 196:90-99. [PMID: 30075952 PMCID: PMC6336526 DOI: 10.1016/j.biomaterials.2018.07.012] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 07/07/2018] [Accepted: 07/08/2018] [Indexed: 12/11/2022]
Abstract
Older adults suffer from weakened and delayed bone healing due to age-related alterations in bone cells and in the immune system. Given the interaction between the immune system and skeletal cells, therapies that address deficiencies in both the skeletal and the immune system are required to effectively treat bone injuries of older patients. The sequence of macrophage activation observed in healthy tissue repair involves a transition from a pro-inflammatory state followed by a pro-reparative state. In older patients, inflammation is slower to resolve and impedes healing. The goal of this study was to design a novel drug delivery system for temporal guidance of the polarization of macrophages using bone grafting materials. A biomimetic calcium phosphate coating (bCaP) physically and temporally separated the pro-inflammatory stimulus interferon-gamma (IFNγ) from the pro-reparative stimulus simvastatin (SIMV). Effective doses were identified using a human monocyte line (THP-1) and testing culminated with bone marrow macrophages obtained from old mice. Sequential M1-to-M2 activation was achieved with both cell types. These results suggest that this novel immunomodulatory drug delivery system holds potential for controlling macrophage activation in bones of older patients.
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Affiliation(s)
- Jumana R Alhamdi
- Biomedical Engineering, University of Connecticut (UConn) Health, Farmington, CT, USA
| | - Tao Peng
- Biomedical Engineering, University of Connecticut (UConn) Health, Farmington, CT, USA
| | - Iman M Al-Naggar
- Center on Aging, University of Connecticut (UConn) Health, Farmington, CT, USA
| | - Kelly L Hawley
- Department of Pediatrics, University of Connecticut (UConn) Health, Farmington, CT, USA; Division of Infectious Diseases, Connecticut Children's Medical Center, Hartford, CT, USA
| | - Kara L Spiller
- School of Biomedical Engineering, Science and Health Systems, Drexel University, PA, USA
| | - Liisa T Kuhn
- Biomedical Engineering, University of Connecticut (UConn) Health, Farmington, CT, USA.
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17
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Venkatesan J, Rekha PD, Anil S, Bhatnagar I, Sudha PN, Dechsakulwatana C, Kim SK, Shim MS. Hydroxyapatite from Cuttlefish Bone: Isolation, Characterizations, and Applications. BIOTECHNOL BIOPROC E 2018. [DOI: 10.1007/s12257-018-0169-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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18
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Barka E, Papayannis DK, Kolettis TM, Agathopoulos S. Optimization of Ca2+
content in alginate hydrogel injected in myocardium. J Biomed Mater Res B Appl Biomater 2018; 107:223-231. [DOI: 10.1002/jbm.b.34113] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2017] [Revised: 02/20/2018] [Accepted: 03/06/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Eleonora Barka
- Department of Materials Science and Engineering; University of Ioannina; Ioannina Greece
| | | | - Theofilos M. Kolettis
- Clinics of Cardiology, Department of Medicine; University of Ioannina; Ioannina Greece
| | - Simeon Agathopoulos
- Department of Materials Science and Engineering; University of Ioannina; Ioannina Greece
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19
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Functionalisation of Ti6Al4V and hydroxyapatite surfaces with combined peptides based on KKLPDA and EEEEEEEE peptides. Colloids Surf B Biointerfaces 2017; 160:154-160. [DOI: 10.1016/j.colsurfb.2017.09.022] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Revised: 09/01/2017] [Accepted: 09/08/2017] [Indexed: 11/15/2022]
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20
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Functionalized biomimetic calcium phosphates for bone tissue repair. J Appl Biomater Funct Mater 2017; 15:e313-e325. [PMID: 28574097 DOI: 10.5301/jabfm.5000367] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/11/2017] [Indexed: 12/17/2022] Open
Abstract
The design and development of novel materials for biomineralized tissues is an extremely attractive field of research where calcium phosphates (CaPs)-based materials for biomedical applications play a leading role. The biological performance of these compounds can be enhanced through functionalization with biologically active ions and molecules. This review reports on some important recent achievements in creating functionalized biomimetic CaP materials for applications in the musculoskeletal field. Particular attention is focused on the modifications of these inorganic compounds with bioactive ions, growth factors and drugs, as well as on recent trends in some important CaP applications as biomaterials - namely, as bone cements, coatings of metallic implants and scaffolds for regenerative medicine.
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21
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Yan C, Hao L, Hussein A, Wei Q, Shi Y. Microstructural and surface modifications and hydroxyapatite coating of Ti-6Al-4V triply periodic minimal surface lattices fabricated by selective laser melting. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 75:1515-1524. [PMID: 28415445 DOI: 10.1016/j.msec.2017.03.066] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2016] [Revised: 01/07/2017] [Accepted: 03/09/2017] [Indexed: 11/15/2022]
Abstract
Ti-6Al-4V Gyroid triply periodic minimal surface (TPMS) lattices were manufactured by selective laser melting (SLM). The as-built Ti-6Al-4V lattices exhibit an out-of-equilibrium microstructure with very fine α' martensitic laths. When subjected to the heat treatment of 1050°C for 4h followed by furnace cooling, the lattices show a homogenous and equilibrium lamellar α+β microstructure with less dislocation and crystallographic defects compared with the as-built α' martensite. The as-built lattices present very rough strut surfaces bonded with plenty of partially melted metal particles. The sand blasting nearly removed all the bonded metal particles, but created many tiny cracks. The HCl etching eliminated these tiny cracks, and subsequent NaOH etching resulted in many small and shallow micro-pits and develops a sodium titanate hydrogel layer on the surfaces of the lattices. When soaked in simulated body fluid (SBF), the Ti-6Al-4V TPMS lattices were covered with a compact and homogeneous biomimetic hydroxyapatite (HA) layer. This work proposes a new method for making Ti-6Al-4V TPMS lattices with a homogenous and equilibrium microstructure and biomimetic HA coating, which show both tough and bioactive characteristics and can be promising materials usable as bone substitutes.
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Affiliation(s)
- Chunze Yan
- State key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China.
| | - Liang Hao
- China University of Giosciences, Gemmological Institute, Lumo Road 388, Wuhan 430074, China
| | - Ahmed Hussein
- College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, Devon, United Kingdom
| | - Qingsong Wei
- State key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
| | - Yusheng Shi
- State key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, Hubei, China
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22
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Saleh MM, Touny AH, Al-Omair MA, Saleh MM. Biodegradable/biocompatible coated metal implants for orthopedic applications. Biomed Mater Eng 2017; 27:87-99. [PMID: 27175470 DOI: 10.3233/bme-161568] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Biocompatible metals have been suggested as revolutionary biomaterials for bone-grafting therapies. Although metals and their alloys are widely and successfully used in producing biomedical implants due to their good mechanical properties and corrosion resistance, they have a lack in bioactivity. Therefore coating of the metal surface with calcium phosphates (CaP) is a benign way to achieve well bioactivity and get controlled corrosion properties. The biocompatibility and bioactivity calcium phosphates (CaP) in bone growth were guided them to biomedical treatment of bone defects and fractures. Many techniques have been used for fabrication of CaP coatings on metal substrates such as magnesium and titanium. The present review will focus on the synthesis of CaP and their relative forms using different techniques especially electrochemical techniques. The latter has always been known of its unique way of optimizing the process parameters that led to a control in the structure and characteristics of the produced materials.
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Affiliation(s)
- Mohamed M Saleh
- Kasr Al-Ainy School of Medicine, Cairo University, Cairo, Egypt
| | - A H Touny
- Department of Chemistry, Faculty of Science, Helwan University, Helwan, Cairo, Egypt.,Chemistry Department, College of Science, King Faisal University, Al-Hassa, Saudi Arabia
| | - Mohammed A Al-Omair
- Chemistry Department, College of Science, King Faisal University, Al-Hassa, Saudi Arabia
| | - M M Saleh
- Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt.,Chemistry Department, College of Science, King Faisal University, Al-Hassa, Saudi Arabia
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23
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Qin C, Hu Q, Li Y, Wang Z, Zhao W, Louzguine-Luzgin DV, Inoue A. Novel bioactive Fe-based metallic glasses with excellent apatite-forming ability. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 69:513-21. [DOI: 10.1016/j.msec.2016.07.022] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/17/2016] [Accepted: 07/11/2016] [Indexed: 10/21/2022]
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24
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Boanini E, Panseri S, Arroyo F, Montesi M, Rubini K, Tampieri A, Covarrubias C, Bigi A. Alendronate Functionalized Mesoporous Bioactive Glass Nanospheres. MATERIALS 2016; 9:ma9030135. [PMID: 28773259 PMCID: PMC5456651 DOI: 10.3390/ma9030135] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 02/11/2016] [Accepted: 02/18/2016] [Indexed: 11/16/2022]
Abstract
In this work we synthesized mesoporous bioactive glass nanospheres (nMBG) with the aim to utilize them as substrates for loading one of the most potent amino-bisphosphonates, alendronate (AL). The results of the chemical and structural characterization show that the nMBG display a relatively high surface area (528 m²/g) and a mean pore volume of 0.63 cm³/g, both of which decrease on increasing alendronate content. It is possible to modulate the amount of AL loaded into the nanospheres up to a maximum value of about 17 wt %. In vitro tests were performed using a human osteosarcoma cell line (MG63) and a murine monocyte/macrophage cell line as osteoclast model (RAW 264.7). The results indicate that even the lower concentration of alendronate provokes decreased tumor cell viability, and that osteoclast activity exhibits an alendronate dose-dependent inhibition. The data suggest that nMBG can act as a suitable support for the local delivery of alendronate, and that the antiresorptive and antitumor properties of the functionalized mesoporous nanospheres can be modulated by varying the amount of alendronate loading.
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Affiliation(s)
- Elisa Boanini
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, Bologna 40126, Italy.
| | - Silvia Panseri
- Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, Faenza 48018, Italy.
| | - Fabiola Arroyo
- Laboratory of Nanobiomaterials, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago 8380492, Chile.
| | - Monica Montesi
- Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, Faenza 48018, Italy.
| | - Katia Rubini
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, Bologna 40126, Italy.
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council of Italy, Via Granarolo 64, Faenza 48018, Italy.
| | - Cristian Covarrubias
- Laboratory of Nanobiomaterials, Institute for Research in Dental Sciences, Faculty of Dentistry, University of Chile, Santiago 8380492, Chile.
| | - Adriana Bigi
- Department of Chemistry "G. Ciamician", University of Bologna, Via Selmi 2, Bologna 40126, Italy.
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25
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MACHADO CPG, SARTORETTO SC, ALVES ATNN, LIMA IBC, ROSSI AM, GRANJEIRO JM, CALASANS-MAIA MD. Histomorphometric evaluation of strontium-containing nanostructured hydroxyapatite as bone substitute in sheep. Braz Oral Res 2016; 30:e45. [DOI: 10.1590/1807-3107bor-2016.vol30.0045] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2015] [Accepted: 01/25/2016] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | | | - José Mauro GRANJEIRO
- Universidade Federal Fluminense, Brazil; Instituto Nacional de Metrologia, Qualidade e Tecnologia, Brazil
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26
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A review of hydroxyapatite-based coating techniques: Sol-gel and electrochemical depositions on biocompatible metals. J Mech Behav Biomed Mater 2015; 57:95-108. [PMID: 26707027 DOI: 10.1016/j.jmbbm.2015.11.031] [Citation(s) in RCA: 111] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 11/26/2015] [Accepted: 11/30/2015] [Indexed: 12/22/2022]
Abstract
New promising techniques for depositing biocompatible hydroxyapatite-based coatings on biocompatible metal substrates for biomedical applications have continuously been exploited for more than two decades. Currently, various experimental deposition processes have been employed. In this review, the two most frequently used deposition processes will be discussed: a sol-gel dip coating and an electrochemical deposition. This study deliberates the surface morphologies and chemical composition, mechanical performance and biological responses of sol-gel dip coating as well as the electrochemical deposition for two different sample conditions, with and without coating. The review shows that sol-gel dip coatings and electrochemical deposition were able to obtain the uniform and homogeneous coating thickness and high adherent biocompatible coatings even in complex shapes. It has been accepted that both coating techniques improve bone strength and initial osseointegration rate. The main advantages and limitations of those techniques of hydroxyapatite-based coatings are presented. Furthermore, the most significant challenges and critical issues are also highlighted.
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27
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Dorozhkin SV. Calcium orthophosphates (CaPO 4): occurrence and properties. Prog Biomater 2015; 5:9-70. [PMID: 27471662 PMCID: PMC4943586 DOI: 10.1007/s40204-015-0045-z] [Citation(s) in RCA: 84] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Accepted: 11/05/2015] [Indexed: 01/02/2023] Open
Abstract
The present overview is intended to point the readers' attention to the important subject of calcium orthophosphates (CaPO4). This type of materials is of the special significance for the human beings because they represent the inorganic part of major normal (bones, teeth and antlers) and pathological (i.e., those appearing due to various diseases) calcified tissues of mammals. For example, atherosclerosis results in blood vessel blockage caused by a solid composite of cholesterol with CaPO4, while dental caries and osteoporosis mean a partial decalcification of teeth and bones, respectively, that results in replacement of a less soluble and harder biological apatite by more soluble and softer calcium hydrogenorthophosphates. Therefore, the processes of both normal and pathological calcifications are just an in vivo crystallization of CaPO4. Similarly, dental caries and osteoporosis might be considered as in vivo dissolution of CaPO4. In addition, natural CaPO4 are the major source of phosphorus, which is used to produce agricultural fertilizers, detergents and various phosphorus-containing chemicals. Thus, there is a great significance of CaPO4 for the humankind and, in this paper, an overview on the current knowledge on this subject is provided.
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28
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Akimov VV, Tyukhai EA, Tauson VL, Safronov AY, Kashevskii AV, Pushkarev BG, Nikiforov SB, Voloshin EV. Characteristics of morphology, structure and composition of titanium surface under its modification by electrochemical polarization in phosphate-alkaline solutions. SURF INTERFACE ANAL 2015. [DOI: 10.1002/sia.5848] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Vladlen Vladimirovich Akimov
- Federal State Budgetary Institution of Science A. P. Vinogradov Institute of Geochemistry Siberian Branch; Russian Academy of Sciences; 1A Favorsky str. Irkutsk 664033 Russia
| | | | - Vladimir Lvovich Tauson
- Federal State Budgetary Institution of Science A. P. Vinogradov Institute of Geochemistry Siberian Branch; Russian Academy of Sciences; 1A Favorsky str. Irkutsk 664033 Russia
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29
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Liang J, Song R, Huang Q, Yang Y, Lin L, Zhang Y, Jiang P, Duan H, Dong X, Lin C. Electrochemical construction of a bio-inspired micro/nano-textured structure with cell-sized microhole arrays on biomedical titanium to enhance bioactivity. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.06.100] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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30
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Calcium orthophosphate deposits: Preparation, properties and biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 55:272-326. [PMID: 26117762 DOI: 10.1016/j.msec.2015.05.033] [Citation(s) in RCA: 75] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 03/21/2015] [Accepted: 05/08/2015] [Indexed: 01/12/2023]
Abstract
Since various interactions among cells, surrounding tissues and implanted biomaterials always occur at their interfaces, the surface properties of potential implants appear to be of paramount importance for the clinical success. In view of the fact that a limited amount of materials appear to be tolerated by living organisms, a special discipline called surface engineering was developed to initiate the desirable changes to the exterior properties of various materials but still maintaining their useful bulk performances. In 1975, this approach resulted in the introduction of a special class of artificial bone grafts, composed of various mechanically stable (consequently, suitable for load bearing applications) implantable biomaterials and/or bio-devices covered by calcium orthophosphates (CaPO4) to both improve biocompatibility and provide an adequate bonding to the adjacent bones. Over 5000 publications on this topic were published since then. Therefore, a thorough analysis of the available literature has been performed and about 50 (this number is doubled, if all possible modifications are counted) deposition techniques of CaPO4 have been revealed, systematized and described. These CaPO4 deposits (coatings, films and layers) used to improve the surface properties of various types of artificial implants are the topic of this review.
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31
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Wu S, Liu X, Gao C. Role of adsorbed proteins on hydroxyapatite-coated titanium in osteoblast adhesion and osteogenic differentiation. Sci Bull (Beijing) 2015. [DOI: 10.1007/s11434-015-0753-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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Characterization of the aspects of osteoprogenitor cell interactions with physical tetracalcium phosphate anchorage on titanium implant surfaces. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 49:7-13. [DOI: 10.1016/j.msec.2014.12.063] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2014] [Revised: 08/29/2014] [Accepted: 12/17/2014] [Indexed: 12/27/2022]
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33
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Gandolfi MG, Taddei P, Siboni F, Perrotti V, Iezzi G, Piattelli A, Prati C. Micro-topography and reactivity of implant surfaces: an in vitro study in simulated body fluid (SBF). MICROSCOPY AND MICROANALYSIS : THE OFFICIAL JOURNAL OF MICROSCOPY SOCIETY OF AMERICA, MICROBEAM ANALYSIS SOCIETY, MICROSCOPICAL SOCIETY OF CANADA 2015; 21:190-203. [PMID: 25667970 DOI: 10.1017/s1431927614014615] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The creation of micro-textured dental implant surfaces possessing a stimulating activity represents a challenge in implant dentistry; particularly, the formation of a thin, biologically active, calcium-phosphate layer on their surface could help to strengthen the bond to the surrounding bone. The aim of the present study was to characterize in terms of macrostructure, micro-topography and reactivity in simulated body fluid (SBF), the surface of titanium (Ti) implants blasted with TiO2 particles, acid etched with hydrofluoric acid, and activated with Ca and Mg-containing nanoparticles. Sandblasted and acid-etched implants were analyzed by ESEM-EDX (environmental scanning electron microscope with energy dispersive X-ray system) to study the micromorphology of the surface and to perform elemental X-ray microanalysis (microchemical analyses) and element mapping. ESEM-EDX analyses were performed at time 0 and after a 28-day soaking period in SBF Hank's balanced salt solution (HBSS) following ISO 23317 (implants for surgery—in vitro evaluation for apatite-forming ability of implant materials). Microchemical analyses (weight % and atomic %) and element mapping were carried out to evaluate the relative element content, element distribution, and calcium/phosphorus (Ca/P) atomic ratio. Raman spectroscopy was used to assess the possible presence of impurities due to manufacturing and to investigate the phases formed upon HBSS soaking. Micro-morphological analyses showed a micro-textured, highly rough surface with microgrooves. Microchemical analyses showed compositional differences among the apical, middle, and distal thirds. The micro-Raman analyses of the as-received implant showed the presence of amorphous Ti oxide and traces of anatase, calcite, and a carbonaceous material derived from the decomposition of an organic component of lipidic nature (presumably used as lubricant). A uniform layer of Ca-poor calcium phosphates (CaPs) (Ca/P ratio <1.47) was observed after soaking in HBSS; the detection of the 961 cm⁻¹ Raman band confirms this finding. These implants showed a micro-textured surface supporting the formation of CaPs when immersed in SBF. These properties may likely favor bone anchorage and healing by stimulation of mineralizing cells.
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Affiliation(s)
- M G Gandolfi
- 1Department of Biomedical and NeuroMotor Sciences,University of Bologna - Via San Vitale 59 - 40126,Bologna,Italy
| | - P Taddei
- 1Department of Biomedical and NeuroMotor Sciences,University of Bologna - Via San Vitale 59 - 40126,Bologna,Italy
| | - F Siboni
- 1Department of Biomedical and NeuroMotor Sciences,University of Bologna - Via San Vitale 59 - 40126,Bologna,Italy
| | - V Perrotti
- 2Department of Medical,Oral and Biotechnological Sciences,University of Chieti-Pescara - Via dei Vestini 1 - 66100,Chieti,Italy
| | - G Iezzi
- 2Department of Medical,Oral and Biotechnological Sciences,University of Chieti-Pescara - Via dei Vestini 1 - 66100,Chieti,Italy
| | - A Piattelli
- 2Department of Medical,Oral and Biotechnological Sciences,University of Chieti-Pescara - Via dei Vestini 1 - 66100,Chieti,Italy
| | - C Prati
- 1Department of Biomedical and NeuroMotor Sciences,University of Bologna - Via San Vitale 59 - 40126,Bologna,Italy
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Tolga Demirtaş T, Kaynak G, Gümüşderelioğlu M. Bone-like hydroxyapatite precipitated from 10×SBF-like solution by microwave irradiation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2015; 49:713-719. [PMID: 25687000 DOI: 10.1016/j.msec.2015.01.057] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Revised: 12/31/2014] [Accepted: 01/14/2015] [Indexed: 11/18/2022]
Abstract
Microwave-assisted methods have been frequently used in many processes owing to their numerous advantages such as performing fast, efficient and homogenous processes and reducing side reactions. In view of these benefits, in this study it was purposed to produce bone-like hydroxyapatite (HA) by inducing biomimetic process with microwave-irradiation. This is why, concentrated body fluid (SBF) i.e. 10×SBF-like solution was used and it was precipitated in different microwave powers i.e. 90W, 360W, 600W, and 1200W and in different exposure times. For comparison, precipitation process was also carried out at room temperature for 6h and at 80°C for 1h. The obtained HA structures were characterized by appropriate instrumental techniques. As a result, microwave-induced precipitation at 600W for 9 times 30s was determined as the optimum condition for the production of HA which has similar properties to the cortical bone. At this condition, B-type HA with 9.22% (wt.) carbonate content, 1.61 Ca/P molar ratio and amorphous structure was obtained easily, rapidly and efficiently. So, this is the first time microwave technology has been used to precipitate HA from SBF solution.
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Affiliation(s)
- T Tolga Demirtaş
- Bioengineering Engineering Department, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Gökçe Kaynak
- Bioengineering Engineering Department, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Menemşe Gümüşderelioğlu
- Bioengineering Engineering Department, Hacettepe University, 06800 Beytepe, Ankara, Turkey; Chemical Engineering Department, Hacettepe University, 06800 Beytepe, Ankara, Turkey.
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Chai YC, Geris L, Bolander J, Pyka G, Van Bael S, Luyten FP, Schrooten J. In vivo ectopic bone formation by devitalized mineralized stem cell carriers produced under mineralizing culture condition. Biores Open Access 2014; 3:265-77. [PMID: 25469312 PMCID: PMC4245878 DOI: 10.1089/biores.2014.0050] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Functionalization of tissue engineering scaffolds with in vitro–generated bone-like extracellular matrix (ECM) represents an effective biomimetic approach to promote osteogenic differentiation of stem cells in vitro. However, the bone-forming capacity of these constructs (seeded with or without cells) is so far not apparent. In this study, we aimed at developing a mineralizing culture condition to biofunctionalize three-dimensional (3D) porous scaffolds with highly mineralized ECM in order to produce devitalized, osteoinductive mineralized carriers for human periosteal-derived progenitors (hPDCs). For this, three medium formulations [i.e., growth medium only (BM1), with ascorbic acid (BM2), and with ascorbic acid and dexamethasone (BM3)] supplemented with calcium (Ca2+) and phosphate (PO43−) ions simultaneously as mineralizing source were investigated. The results showed that, besides the significant impacts on enhancing cell proliferation (the highest in BM3 condition), the formulated mineralizing media differentially regulated the osteochondro-related gene markers in a medium-dependent manner (e.g., significant upregulation of BMP2, bone sialoprotein, osteocalcin, and Wnt5a in BM2 condition). This has resulted in distinguished cell populations that were identifiable by specific gene signatures as demonstrated by the principle component analysis. Through devitalization, mineralized carriers with apatite crystal structures unique to each medium condition (by X-ray diffraction and SEM analysis) were obtained. Quantitatively, BM3 condition produced carriers with the highest mineral and collagen contents as well as human-specific VEGF proteins, followed by BM2 and BM1 conditions. Encouragingly, all mineralized carriers (after reseeded with hPDCs) induced bone formation after 8 weeks of subcutaneous implantation in nude mice models, with BM2-carriers inducing the highest bone volume, and the lowest in the BM3 condition (as quantitated by nano-computed tomography [nano-CT]). Histological analysis revealed different bone formation patterns, either bone ossicles containing bone marrow surrounding the scaffold struts (in BM2) or bone apposition directly on the struts' surface (in BM1 and BM3). In conclusion, we have presented experimental data on the feasibility to produce devitalized osteoinductive mineralized carriers by functionalizing 3D porous scaffolds with an in vitro cell-made mineralized matrix under the mineralizing culture conditions.
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Affiliation(s)
- Yoke Chin Chai
- Tissue Engineering Laboratory, Skeletal Biology and Engineering Research Center , KU Leuven, Leuven, Belgium . ; Department of Biomedical Engineering, Faculty of Engineering, University of Malaya , Kuala Lumpur, Malaysia . ; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium
| | - Liesbet Geris
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium . ; Biomechanics Research Unit, University of Liege , Liege, Belgium
| | - Johanna Bolander
- Tissue Engineering Laboratory, Skeletal Biology and Engineering Research Center , KU Leuven, Leuven, Belgium . ; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium
| | - Grzegorz Pyka
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium . ; Department of Materials Engineering, KU Leuven , Heverlee, Belgium
| | - Simon Van Bael
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium . ; Division of Production Engineering, Machine Design and Automation, Department of Mechanical Engineering, KU Leuven , Heverlee, Belgium
| | - Frank P Luyten
- Tissue Engineering Laboratory, Skeletal Biology and Engineering Research Center , KU Leuven, Leuven, Belgium . ; Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium
| | - Jan Schrooten
- Prometheus, Division of Skeletal Tissue Engineering, KU Leuven , Leuven, Belgium . ; Department of Materials Engineering, KU Leuven , Heverlee, Belgium
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Azis SA, Kennedy J, Murmu P, Fang F, Cao P. Structural and Compositional Characterization of Ion Beam Sputtered Hydroxyapatite
Thin Films on Ti-6Al-4V. ACTA ACUST UNITED AC 2014. [DOI: 10.3923/ajaps.2014.745.752] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Fatehi K, Moztarzadeh F, Tahriri M, Khoshroo K, Heidari S, Sadeghi A. Biomimetic Synthesis, Characterization, and Adhesion Properties of Bone-Like Apatite on Heat and Alkaline-Treated Titanium Alloy. ACTA ACUST UNITED AC 2014. [DOI: 10.1080/15533174.2013.809747] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Kambiz Fatehi
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran, I. R. Iran
| | - Fathollah Moztarzadeh
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran, I. R. Iran
| | - Mohammadreza Tahriri
- Iranian Tissue Bank & Research Center, Tehran University of Medical Sciences, Tehran, I. R. Iran
- Dental Materials Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Kimia Khoshroo
- Dental Materials Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Soolmaz Heidari
- Dental Materials Department, School of Dentistry, Tehran University of Medical Sciences, Tehran, I. R. Iran
| | - Ali Sadeghi
- Biomaterials Group, Faculty of Biomedical Engineering (Center of Excellence), Amirkabir University of Technology, Tehran, I. R. Iran
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Co-electrospun gelatin-poly(l-lactic acid) scaffolds: Modulation of mechanical properties and chondrocyte response as a function of composition. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2014; 36:130-8. [DOI: 10.1016/j.msec.2013.11.050] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 10/14/2013] [Accepted: 11/23/2013] [Indexed: 11/15/2022]
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López EO, Mello A, Sendão H, Costa LT, Rossi AL, Ospina RO, Borghi FF, Silva Filho JG, Rossi AM. Growth of crystalline hydroxyapatite thin films at room temperature by tuning the energy of the RF-magnetron sputtering plasma. ACS APPLIED MATERIALS & INTERFACES 2013; 5:9435-9445. [PMID: 24059686 DOI: 10.1021/am4020007] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Right angle radio frequency magnetron sputtering technique (RAMS) was redesigned to favor the production of high-quality hydroxyapatite (HA) thin coatings for biomedical applications. Stoichiometric HA films with controlled crystallinity, thickness varying from 254 to 540 nm, crystallite mean size of 73 nm, and RMS roughness of 1.7 ± 0.9 nm, were obtained at room temperature by tuning the thermodynamic properties of the plasma sheath energy. The plasma energies were adjusted by using a suitable high magnetic field confinement of 143 mT (1430 G) and a substrate floating potential of 2 V at the substrate-to-magnetron distance of Z = 10 mm and by varying the sputtering geometry, substrate-to-magnetron distance from Z = 5 mm to Z = 18 mm, forwarded RF power and reactive gas pressure. Measurements that were taken with a Langmuir probe showed that the adjusted RAMS geometry generated a plasma with an adequate effective temperature of Teff ≈ 11.8 eV and electron density of 2.0 × 10(15) m(-3) to nucleate nanoclusters and to further crystallize the nanodomains of stoichiometric HA. The deposition mechanism in the RAMS geometry was described by the formation of building units of amorphous calcium phosphate clusters (ACP), the conversion into HA nanodomains and the crystallization of the grain domains with a preferential orientation along the HA [002] direction.
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Affiliation(s)
- Elvis O López
- Department of Applied Physics, Brazilian Center for Physics Research , Urca, Rio de Janeiro 22290-180, Brazil
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40
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D'Elía NL, Gravina AN, Ruso JM, Laiuppa JA, Santillán GE, Messina PV. Manipulating the bioactivity of hydroxyapatite nano-rods structured networks: effects on mineral coating morphology and growth kinetic. Biochim Biophys Acta Gen Subj 2013; 1830:5014-26. [PMID: 23891938 DOI: 10.1016/j.bbagen.2013.07.020] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2013] [Revised: 06/25/2013] [Accepted: 07/19/2013] [Indexed: 11/17/2022]
Abstract
BACKGROUND Nano-hydroxyapatite particles have better bioactivity than the coarse crystals. So, they can be utilized for engineered tissue implants with improved efficiency over other materials. The development of materials with specific bioactive characteristics is still under investigation. METHODS The surface properties of four hydroxyapatite materials templated by different micelle-polymer structured network are studied. The synergistic interaction of each block copolymer in contact with CTAB rod-like micelles results in crystalline HAp nano-rods of 25-50nm length organized in hierarchical structures with different micro-rough characteristics. RESULTS It was observed that the material in vitro bioactivity strongly depends on the surface structure while in a minor extent on their Ca/P ratio. So, MIII and MIV materials with Skewness parameter Rsk>2.62 favored the formation on their surfaces of net-like phase with a high growth kinetic constant; while MI and MII (Rsk≤2.62) induced the appearance of spherulitic-like structures and a growth rate 1.75 times inferior. Material biocompatibility was confirmed by interaction with rat calvarial osteoblasts. CONCLUSIONS The different structures growth is attributed to a dissimilar matching of crystal planes in the material and the apatite layer formed. In specific synthesis conditions, a biocompatible material with a Ca/P ratio close to that for the trabecular bone and a morphology that are considered essential for bone-bonding was obtained. GENERAL SIGNIFICANCE The creation of implantable devices with a specific bioactive characteristic may be useful to manipulate the attachment of cells on mineral coating directly affecting the stability and life of the implant.
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Affiliation(s)
- Noelia L D'Elía
- Department of Chemistry, Universidad Nacional del Sur, INQUISUR-CONICET, (8000) Bahía Blanca, Argentina
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41
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Mohedano M, Guzman R, Arrabal R, López Lacomba JL, Matykina E. Bioactive plasma electrolytic oxidation coatings-The role of the composition, microstructure, and electrochemical stability. J Biomed Mater Res B Appl Biomater 2013; 101:1524-37. [DOI: 10.1002/jbm.b.32974] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Revised: 04/11/2013] [Accepted: 04/23/2013] [Indexed: 12/15/2022]
Affiliation(s)
- M. Mohedano
- Departamento de Ciencia de Materiales, Facultad de Ciencias Químicas; Universidad Complutense; 28040 Madrid Spain
| | - R. Guzman
- Grupo de Ingeniería de Tejidos, Instituto de Estudios Biofuncionales; Universidad Complutense; 28040 Madrid Spain
| | - R. Arrabal
- Departamento de Ciencia de Materiales, Facultad de Ciencias Químicas; Universidad Complutense; 28040 Madrid Spain
| | - J.-L. López Lacomba
- Grupo de Ingeniería de Tejidos, Instituto de Estudios Biofuncionales; Universidad Complutense; 28040 Madrid Spain
| | - E. Matykina
- Departamento de Ciencia de Materiales, Facultad de Ciencias Químicas; Universidad Complutense; 28040 Madrid Spain
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42
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Ievlev VM. Coatings based on calcium phosphates for metallic medical implants. RUSSIAN CHEMICAL REVIEWS 2013. [DOI: 10.1070/rc2013v082n02abeh004331] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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43
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Shadanbaz S, Walker J, Staiger MP, Dias GJ, Pietak A. Growth of calcium phosphates on magnesium substrates for corrosion control in biomedical applications via immersion techniques. J Biomed Mater Res B Appl Biomater 2012; 101:162-72. [DOI: 10.1002/jbm.b.32830] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2012] [Revised: 08/17/2012] [Accepted: 08/29/2012] [Indexed: 11/09/2022]
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Vitale-Brovarone C, Baino F, Tallia F, Gervasio C, Verné E. Bioactive glass-derived trabecular coating: a smart solution for enhancing osteointegration of prosthetic elements. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2012; 23:2369-2380. [PMID: 22532097 DOI: 10.1007/s10856-012-4643-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2011] [Accepted: 04/03/2012] [Indexed: 05/31/2023]
Abstract
In this work, the use of foam-like glass-ceramic scaffolds as trabecular coatings on ceramic prosthetic devices to enhance implant osteointegration is proposed. The feasibility of this innovative device was explored in a simplified, flat geometry: glass-ceramic scaffolds, prepared by polymeric sponge replication and mimicking the trabecular architecture of cancellous bone, were joined to alumina square substrates by a dense glass coating (interlayer). The role played by different formulations of starting glasses was examined, with particular care to the effect on the mechanical properties and bioactivity of the final coating. Microindentations at the coating/substrate interface and tensile tests were performed to evaluate the bonding strength between the sample's components. In vitro bioactive behaviour was assessed by soaking in simulated body fluid and evaluating the apatite formation on the surface and inside the pores of the trabecular coating. The concepts disclosed in the present study can have a significant impact in the field of implantable devices, suggesting a valuable alternative to traditional, often invasive bone-prosthesis fixation.
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Affiliation(s)
- Chiara Vitale-Brovarone
- Institute of Materials Engineering and Physics, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Turin, Italy.
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45
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Dorozhkin SV. Calcium orthophosphate coatings, films and layers. Prog Biomater 2012; 1:1. [PMID: 29470670 PMCID: PMC5120666 DOI: 10.1186/2194-0517-1-1] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2012] [Accepted: 06/14/2012] [Indexed: 11/16/2022] Open
Abstract
In surgical disciplines, where bones have to be repaired, augmented or improved, bone substitutes are essential. Therefore, an interest has dramatically increased in application of synthetic bone grafts. As various interactions among cells, surrounding tissues and implanted biomaterials always occur at the interfaces, the surface properties of the implants are of the paramount importance in determining both the biological response to implants and the material response to the physiological conditions. Hence, a surface engineering is aimed to modify both the biomaterials, themselves, and biological responses through introducing desirable changes to the surface properties of the implants but still maintaining their bulk mechanical properties. To fulfill these requirements, a special class of artificial bone grafts has been introduced in 1976. It is composed of various mechanically stable (therefore, suitable for load bearing applications) biomaterials and/or bio-devices with calcium orthophosphate coatings, films and layers on their surfaces to both improve interactions with the surrounding tissues and provide an adequate bonding to bones. Many production techniques of calcium orthophosphate coatings, films and layers have been already invented and new promising techniques are continuously investigated. These specialized coatings, films and layers used to improve the surface properties of various types of artificial implants are the topic of this review.
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46
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He P, Sahoo S, Ng KS, Chen K, Toh SL, Goh JCH. Enhanced osteoinductivity and osteoconductivity through hydroxyapatite coating of silk-based tissue-engineered ligament scaffold. J Biomed Mater Res A 2012; 101:555-66. [PMID: 22949167 DOI: 10.1002/jbm.a.34333] [Citation(s) in RCA: 78] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2012] [Accepted: 06/21/2012] [Indexed: 12/25/2022]
Abstract
Hybrid silk scaffolds combining knitted silk fibers and silk sponge have been recently developed for use as ligament-alone grafts. Incorporating an osteoinductive phase into the ends of a ligament scaffold may potentially generate an integrated "bone-ligament-bone" graft and improve graft osteointegration with host bone. To explore the possible application of hydroxyapatite (HA) coating in the fabrication of osteoinductive ends of silk-based scaffold, HA was coated on the hybrid silk scaffold and the effects to the bone-related cells were evaluated. HA could be coated in a uniform and controlled manner on the silk sponge, using an alternate soaking technology, with the amount deposited being dependent on the number of soaking cycles. HA coating also progressively reduced the hydrophobicity of silk surface (decreasing water contact angle from 87° to 42-76°, after 1-3 soaking cycles), making the HA-coated silk scaffold less favorable for initial cell attachments; but the attached cells showed viability and sustained proliferation on the HA-coated scaffold. As demonstrated by real-time polymerase chain reaction and alkaline phosphatase assay, the osteoinductivity of HA-coated silk scaffolds resulted in the osteogenic differentiation of bone marrow mesenchymal stem cells, and the osteoconductivity of HA-coated silk scaffolds supported osteoblasts growth and maintained the properties of mature osteoblasts. These properties of HA-coating demonstrated its possible application in fabricating osteoinductive ends of the silk-based ligament graft to potentially enhance graft-to-host bone integration.
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Affiliation(s)
- Pengfei He
- Department of Bioengineering, National University of Singapore, Singapore
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47
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Mohammed HI, Abdel-Fattah WI, El-Sayed ESM, Talaat MS, Sallam ASM, Faerber J, Pourroy G, Roland T, Carradò A. Influence of heat treatment on Ti6Al4V for biomimetic biolayer. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2012. [DOI: 10.1680/bbn.12.00003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
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Ajami E, Aguey-Zinsou KF. Calcium phosphate growth at electropolished titanium surfaces. J Funct Biomater 2012; 3:327-48. [PMID: 24955535 PMCID: PMC4047935 DOI: 10.3390/jfb3020327] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2012] [Revised: 03/21/2012] [Accepted: 04/11/2012] [Indexed: 11/16/2022] Open
Abstract
This work investigated the ability of electropolished Ti surface to induce Hydroxyapatite (HA) nucleation and growth in vitro via a biomimetic method in Simulated Body Fluid (SBF). The HA induction ability of Ti surface upon electropolishing was compared to that of Ti substrates modified with common chemical methods including alkali, acidic and hydrogen peroxide treatments. Our results revealed the excellent ability of electropolished Ti surfaces in inducing the formation of bone-like HA at the Ti/SBF interface. The chemical composition, crystallinity and thickness of the HA coating obtained on the electropolished Ti surface was found to be comparable to that achieved on the surface of alkali treated Ti substrate, one of the most effective and popular chemical treatments. The surface characteristics of electropolished Ti contributing to HA growth were discussed thoroughly.
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Affiliation(s)
- Elnaz Ajami
- School of Engineering and Materials Science, University of London, Queen Mary, London E1 4NS, UK.
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49
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Boanini E, Torricelli P, Fini M, Sima F, Serban N, Mihailescu IN, Bigi A. Magnesium and strontium doped octacalcium phosphate thin films by matrix assisted pulsed laser evaporation. J Inorg Biochem 2012; 107:65-72. [DOI: 10.1016/j.jinorgbio.2011.11.003] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2011] [Revised: 10/28/2011] [Accepted: 11/08/2011] [Indexed: 01/28/2023]
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50
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Shadanbaz S, Dias GJ. Calcium phosphate coatings on magnesium alloys for biomedical applications: a review. Acta Biomater 2012; 8:20-30. [PMID: 22040686 DOI: 10.1016/j.actbio.2011.10.016] [Citation(s) in RCA: 212] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2011] [Revised: 10/13/2011] [Accepted: 10/13/2011] [Indexed: 12/13/2022]
Abstract
Magnesium has been suggested as a revolutionary biodegradable metal for use as an orthopaedic material. As a biocompatible and degradable metal, it has several advantages over the permanent metallic materials currently in use, including eliminating the effects of stress shielding, improving biocompatibility concerns in vivo and improving degradation properties, removing the requirement of a second surgery for implant removal. The rapid degradation of magnesium, however, is a double-edged sword as it is necessary to control the corrosion rates of the materials to match the rates of bone healing. In response, calcium phosphate coatings have been suggested as a means to control these corrosion rates. The potential calcium phosphate phases and their coating techniques on substrates are numerous and can provide several different properties for different applications. The reactivity and low melting point of magnesium, however, require specific parameters for calcium phosphate coatings to be successful. Within this review, an overview of the different calcium phosphate phases, their properties and their behaviour in vitro and in vivo has been provided, followed by the current coating techniques used for calcium phosphates that may be or may have been adapted for magnesium substrates.
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Affiliation(s)
- Shaylin Shadanbaz
- Department of Anatomy and Structural Biology, University of Otago, Dunedin, New Zealand.
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