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Ghadami F, Amani Hamedani M, Rouhi G, Saber-Samandari S, Mehdi Dehghan M, Farzad-Mohajeri S, Mashhadi-Abbas F. The correlation between osseointegration and bonding strength at the bone-implant interface: In-vivo & ex-vivo investigations on hydroxyapatite and hydroxyapatite/titanium coatings. J Biomech 2022; 144:111310. [PMID: 36162145 DOI: 10.1016/j.jbiomech.2022.111310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 09/01/2022] [Accepted: 09/13/2022] [Indexed: 11/17/2022]
Abstract
This study investigated the effects of hydroxyapatite (HA) and hydroxyapatite/titanium (HA/Ti) coatings on osseointegration and bonding strength at the bone-implant interface. The coatings were made using air plasma spray (APS), and three study groups were examined: 1) Uncoated commercial pure titanium (CP-Ti) rods; 2) HA-coated CP-Ti rods, and 3) Composite of 50 %wt HA + 50 %wt Ti coated CP-Ti rods. The rods were implanted into the distal femurs and proximal tibias of fifteen New Zealand white rabbits, and 8 weeks after the implantation, the samples were harvested. The results of pull-out tests showed that the ultimate strength of HA and HA/Ti coatings were significantly greater than the uncoated samples (P < 0.05). Moreover, even though the histological evaluations showed significantly greater osseointegration of HA/Ti composite coatings compared with HA coatings (P < 0.05), nonetheless, the composite of HA/Ti offers no significant increase in the ultimate strength, stiffness, and bonding strength at the bone-implant interface, compared with the HA group (P > 0.05). Thus, in an eight-week study, there was no linear correlation between the osseointegration and the bonding strength at the bone-implant interface. The results of this work may imply that the extent of osseointegration at the bone-implant interface does not necessarily determine the value of the bonding strength at the bone-implant interface. It is speculated that, in a longer-term study, a greater quality of bone formation may occur during osseointegration, between the implant and its adjacent bone, which can lead to a more enhanced bonding strength, compared with the 8-weeks post-surgery follow up.
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Affiliation(s)
- Farhad Ghadami
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
| | | | - Gholamreza Rouhi
- Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran.
| | | | - Mohammad Mehdi Dehghan
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; Institute of Biomedical Research, University of Tehran, Iran
| | - Saeed Farzad-Mohajeri
- Department of Surgery and Radiology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran; Institute of Biomedical Research, University of Tehran, Iran
| | - Fatemeh Mashhadi-Abbas
- Department of Oral and Maxillofacial Pathology, Dental School, Shahid Beheshti University of Medical Science, Tehran, Iran
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Microstructure evolution, mechanical properties, and enhanced bioactivity of Ti-13Nb-13Zr based calcium pyrophosphate composites for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 98:279-287. [DOI: 10.1016/j.msec.2018.12.137] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2018] [Revised: 11/26/2018] [Accepted: 12/29/2018] [Indexed: 12/31/2022]
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Li F, Jiang X, Shao Z, Zhu D, Luo Z. Microstructure and Mechanical Properties of Nano-Carbon Reinforced Titanium Matrix/Hydroxyapatite Biocomposites Prepared by Spark Plasma Sintering. NANOMATERIALS 2018; 8:nano8090729. [PMID: 30223566 PMCID: PMC6163190 DOI: 10.3390/nano8090729] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 09/10/2018] [Accepted: 09/12/2018] [Indexed: 12/12/2022]
Abstract
Nano-carbon reinforced titanium matrix/hydroxyapatite (HA) biocomposites were successfully prepared by spark plasma sintering (SPS). The microstructure, mechanical properties, biocompatibility, and the relationship between microstructure and properties of biocomposites were systematically investigated. Results showed there are some new phases in sintered composites, such as β-Ti, TiO3, ZrO2, etc. Moreover, a small amount of Ti17P10, CaTiO3, Ca3(PO4)2 were also detected. The reaction that may occur during the preparation process is suppressed to some extent, which is because that the addition of second phases can prevent the direct contact of titanium with HA and reduce the contact areas. Transmission electron microscope (TEM) analysis proved the existence of elemental diffusion and chemical reactions in sintered composites. Compared with results of composites prepared by hot-pressed sintering before, mechanical properties (microhardness, compressive strength, and shear strength) of 0.5-GNFs composites prepared by SPS were increased by about 2.8, 4.8, and 4.1 times, respectively. The better mechanical properties of 0.5-GNFs composite in nano-carbon reinforced composites are mainly due to the lower degree of agglomeration of tubular carbon nanotubes (CNTs) compared to lamellar graphene nanoflakes (GNFs). Moreover, the strengthening and toughening mechanisms of nano-carbon reinforced titanium alloy/HA biocomposite prepared by spark plasma sintering (SPS) mainly included second phase strengthening, grain refinement strengthening, solution strengthening, graphene extraction, carbon nanotubes bridging, crack tail stripping, etc. In addition, in vitro bioactivity test revealed that the addition of nano-carbon was beneficial to promote the adhesion and proliferation of cells on the surface of titanium alloy/HA composite, because nano-carbon can enhance the formation of mineralized necks in the composites after transplantation, stimulate biomineralization and promote bone regeneration.
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Affiliation(s)
- Feng Li
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xiaosong Jiang
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Zhenyi Shao
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Degui Zhu
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Zhiping Luo
- Department of Chemistry and Physics, Fayetteville State University, Fayetteville, NC 28301, USA.
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Li F, Jiang X, Shao Z, Zhu D, Luo Z. Research Progress Regarding Interfacial Characteristics and the Strengthening Mechanisms of Titanium Alloy/Hydroxyapatite Composites. MATERIALS 2018; 11:ma11081391. [PMID: 30096917 PMCID: PMC6120013 DOI: 10.3390/ma11081391] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 08/02/2018] [Accepted: 08/03/2018] [Indexed: 11/25/2022]
Abstract
Titanium alloy/Hydroxyapatite (HA) composites have become a hot research topic in biomedical materials, while there are some challenges concerning bioactivity and mechanical properties such as low interface adhesion at the interface between metal and ceramic, complex interfacial reactions, and so on. Nevertheless, composites with reinforced phases can reach special properties that meet the requirements of biomedical materials due to the strong interfacial interactions between reinforcing phases (nano-carbon, partial oxides, and so on) and Titanium alloys or HA. This review summarizes the interface properties and mechanisms of Titanium alloy/HA composites, including interfacial bonding methods, strengthening and toughening mechanisms, and performance evaluation. On this basis, the interface characteristics and mechanisms of the Titaniumalloy/HA composites with enhanced phase are prospected. The results show that the interfacial bonding methods in the Titanium alloy/HA composites include chemical reactions and mechanical effects. The strengthening and toughening mechanisms contain grain refinement strengthening, second phase strengthening, solution strengthening, cracks and pulling out mechanisms, etc. This review provides a guidline for the fabrication of biocomposites with both mechanical properties and bioactivity.
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Affiliation(s)
- Feng Li
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Xiaosong Jiang
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Zhenyi Shao
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Degui Zhu
- School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Zhiping Luo
- Department of Chemistry and Physics, Fayetteville State University, Fayetteville, NC 28301, USA.
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Effect of poly(3-hydroxybutyrate-co-3-hydroxyvalerate)/gelatin ratios on the characteristics of biomimetic composite nanofibrous scaffolds. Colloid Polym Sci 2018. [DOI: 10.1007/s00396-018-4310-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Nune KC, Misra RDK, Gai X, Li SJ, Hao YL. Surface nanotopography-induced favorable modulation of bioactivity and osteoconductive potential of anodized 3D printed Ti-6Al-4V alloy mesh structure. J Biomater Appl 2017; 32:1032-1048. [DOI: 10.1177/0885328217748860] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
The objective of the study described here is to fundamentally elucidate the biological response of 3D printed Ti-6Al-4V alloy mesh structures that were surface modified to introduce titania nanotubes with an average pore size of ∼80 nm via an electrochemical anodization process from the perspective of enhancing bioactivity. The bioactivity of the mesh structures were analyzed through immersion test in simulated body fluid, which confirmed the nucleation and growth of fine globular nanoscale apatite on the nanoporous titania-modified (anodized) mesh structure surface, and agglomerated apatite with fine flakes of apatite crystals on as-fabricated mesh structure surface, that were rich in calcium and phosphorous. The cellular activity of bioactive anodized mesh structure was explored in terms of cell–material interactions involving adhesion, proliferation, synthesis of extracellular and intracellular proteins, differentiation, and mineralization. Cells adhered with a sheet-like morphology on as-fabricated mesh structure, whereas, on anodized mesh structure, numerous filopodia-like cellular extensions interacting with nanotube pores were observed. The formation of a bioactive nanoscale apatite, cell–nanotube interactions as imaged via electron microscopy, higher expression of proteins (actin, vinculin, fibronectin, and alkaline phosphatase (ALP)), and calcium content points toward the determining role of anodized mesh structure in modulating osteoblasts functions. The unique combination of nanoporous bioactive titania and interconnected porous architecture of anodized titanium alloy mesh structure provided a multimodal roughness surface ranging from nano to micro to macroscale, which helps in attaining strong primary and secondary fixation of the implant device along with the pathway for supply of nutrients and oxygen to cells and tissue.
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Affiliation(s)
- KC Nune
- Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA
| | - RDK Misra
- Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA
| | - X Gai
- Shenyang National Laboratory for Materials Science, Institute of Metals Research, Chinese Academy of Sciences, Shenyang, China
| | - SJ Li
- Shenyang National Laboratory for Materials Science, Institute of Metals Research, Chinese Academy of Sciences, Shenyang, China
| | - YL Hao
- Shenyang National Laboratory for Materials Science, Institute of Metals Research, Chinese Academy of Sciences, Shenyang, China
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Kumar A, Nune K, Misra R. Design and biological functionality of a novel hybrid Ti‐6
A
l‐4
V
/hydrogel system for reconstruction of bone defects. J Tissue Eng Regen Med 2017; 12:1133-1144. [DOI: 10.1002/term.2614] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 10/28/2017] [Accepted: 11/02/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Alok Kumar
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical EngineeringUniversity of Texas at El Paso El Paso TX USA
| | - K.C. Nune
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical EngineeringUniversity of Texas at El Paso El Paso TX USA
| | - R.D.K. Misra
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical EngineeringUniversity of Texas at El Paso El Paso TX USA
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Surface characteristics of bioactive Ti fabricated by chemical treatment for cartilaginous-integration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 78:495-502. [DOI: 10.1016/j.msec.2017.03.250] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 03/23/2017] [Accepted: 03/26/2017] [Indexed: 12/23/2022]
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Hernandez I, Kumar A, Joddar B. A Bioactive Hydrogel and 3D Printed Polycaprolactone System for Bone Tissue Engineering. Gels 2017; 3. [PMID: 29354645 PMCID: PMC5770986 DOI: 10.3390/gels3030026] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
In this study, a hybrid system consisting of 3D printed polycaprolactone (PCL) filled with hydrogel was developed as an application for reconstruction of long bone defects, which are innately difficult to repair due to large missing segments of bone. A 3D printed gyroid scaffold of PCL allowed a larger amount of hydrogel to be loaded within the scaffolds as compared to 3D printed mesh and honeycomb scaffolds of similar volumes and strut thicknesses. The hydrogel was a mixture of alginate, gelatin, and nano-hydroxyapatite, infiltrated with human mesenchymal stem cells (hMSC) to enhance the osteoconductivity and biocompatibility of the system. Adhesion and viability of hMSC in the PCL/hydrogel system confirmed its cytocompatibility. Biomineralization tests in simulated body fluid (SBF) showed the nucleation and growth of apatite crystals, which confirmed the bioactivity of the PCL/hydrogel system. Moreover, dissolution studies, in SBF revealed a sustained dissolution of the hydrogel with time. Overall, the present study provides a new approach in bone tissue engineering to repair bone defects with a bioactive hybrid system consisting of a polymeric scaffold, hydrogel, and hMSC.
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Affiliation(s)
- Ivan Hernandez
- Inspired Materials & Stem-Cell Based Tissue Engineering Laboratory (IMSTEL), Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX 79968, USA;
| | - Alok Kumar
- Inspired Materials & Stem-Cell Based Tissue Engineering Laboratory (IMSTEL), Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX 79968, USA;
- Correspondence:
| | - Binata Joddar
- Inspired Materials & Stem-Cell Based Tissue Engineering Laboratory (IMSTEL), Department of Metallurgical, Materials and Biomedical Engineering, University of Texas at El Paso, El Paso, TX 79968, USA;
- Border Biomedical Research Center, University of Texas at El Paso, El Paso, TX 79968, USA;
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Osteoblast cellular activity on low elastic modulus Ti–24Nb–4Zr–8Sn alloy. Dent Mater 2017; 33:152-165. [DOI: 10.1016/j.dental.2016.11.005] [Citation(s) in RCA: 43] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Revised: 11/07/2016] [Accepted: 11/10/2016] [Indexed: 01/10/2023]
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Nune KC, Misra RDK, Li SJ, Hao YL, Yang R. Cellular response of osteoblasts to low modulus Ti-24Nb-4Zr-8Sn alloy mesh structure. J Biomed Mater Res A 2016; 105:859-870. [DOI: 10.1002/jbm.a.35963] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Accepted: 11/08/2016] [Indexed: 01/24/2023]
Affiliation(s)
- K. C. Nune
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical Engineering; The University of Texas at; El Paso, 500 W. University Avenue El Paso Texas 79968
| | - R. D. K. Misra
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical Engineering; The University of Texas at; El Paso, 500 W. University Avenue El Paso Texas 79968
| | - S. J. Li
- Shenyang National Laboratory for Materials Science; Institute of Metal Research, Chinese Academy of Sciences; Shenyang 110016 China
| | - Y. L. Hao
- Shenyang National Laboratory for Materials Science; Institute of Metal Research, Chinese Academy of Sciences; Shenyang 110016 China
| | - R. Yang
- Shenyang National Laboratory for Materials Science; Institute of Metal Research, Chinese Academy of Sciences; Shenyang 110016 China
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Nune KC, Misra RDK, Li SJ, Hao YL, Zhang W. The functional response of bioactive titania-modified three-dimensional Ti-6Al-4V mesh structure toward providing a favorable pathway for intercellular communication and osteoincorporation. J Biomed Mater Res A 2016; 104:2488-501. [PMID: 27225062 DOI: 10.1002/jbm.a.35789] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2016] [Accepted: 05/18/2016] [Indexed: 12/14/2022]
Abstract
The objective of the study is to fundamentally elucidate the biological response of 3D printed mesh structures subjected to plasma electrolytic oxidation process through the study of osteoblast functions. The cellular activity of plasma electrolytic-oxidized mesh structure was explored in terms of cell-to-cell communication involving proliferation, synthesis of extracellular and intracellular proteins, and mineralization. Upon plasma electrolytic oxidation of the mesh structure, a thin layer of bioactive titania with pore size 1-3 µm was nucleated on the surface. The combination of microporous bioactive titania and interconnected porous architecture provided the desired pathway for supply of nutrients and oxygen to cells and tissue and a favorable osteogenic microenvironment for tissue on-growth and in-growth, in relation to the unmodified mesh structure. The formation of a confluent layer as envisaged via electron microscopy and quantitative assessment of the expression level of proteins (actin, vinculin, and fibronectin) point toward the determining role of surface-modified mesh structure in modulating osteoblasts functions. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2488-2501, 2016.
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Affiliation(s)
- K C Nune
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas, 79968
| | - R D K Misra
- Biomaterials and Biomedical Engineering Research Laboratory, Department of Metallurgical, Materials and Biomedical Engineering, The University of Texas at El Paso, 500 W. University Avenue, El Paso, Texas, 79968
| | - S J Li
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110016, China
| | - Y L Hao
- Shenyang National Laboratory for Materials Science, Institute of Metal Research, Chinese Academy of Sciences, 72 Wenhua Road, Shenyang, 110016, China
| | - W Zhang
- Laboratory for Corrosion and Protection, Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, China
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Kumar A, Nune KC, Basu B, Misra RDK. Mechanistic contribution of electroconductive hydroxyapatite–titanium disilicide composite on the alignment and proliferation of cells. J Biomater Appl 2016; 30:1505-16. [DOI: 10.1177/0885328216631670] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
We elucidate here the mechanistic contribution of a novel electroconductive hydroxyapatite-20 wt.% titanium disilicide (HA–TiSi2) composite system in favorably modulating osteoblast functions in relation to the monolithic HA. The higher electrical conductivity of HA–TiSi2 (σDC ∼ 67.117 ± 3.57 S/m) in comparison to glass sample effectively guided the electroactive myoblast, leading to their significant alignment and proliferation. This favorable behavior is attributed to the formation of small electrochemical cells between HA and TiSi2 phase, which produce a small electric field, directing the electroactive myoblast to migrate and grow in a particular direction. In contrast, no impact of TiSi2 on osteoblast function was observed because of their inability to respond to small electric field. However, the in vitro bioactivity in simulated body fluid indicated the nucleation and growth of apatite crystals. Moreover, in the context of load-bearing capability, the presence of 20 wt.% TiSi2 in HA led to increase in the fracture toughness by ∼100%. This study underscores the effectiveness of HA–TiSi2 in favorably modulating the cellular activity, myoblast in particular.
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Affiliation(s)
- A Kumar
- Department of Metallurgical, Materials, and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA
| | - KC Nune
- Department of Metallurgical, Materials, and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA
| | - B Basu
- Materials Research Centre, Indian Institute of Science, Bangalore, Karnataka, India
| | - RDK Misra
- Department of Metallurgical, Materials, and Biomedical Engineering, University of Texas at El Paso, El Paso, TX, USA
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Filová E, Suchý T, Sucharda Z, Supová M, Zaloudková M, Balík K, Lisá V, Slouf M, Bačáková L. Support for the initial attachment, growth and differentiation of MG-63 cells: a comparison between nano-size hydroxyapatite and micro-size hydroxyapatite in composites. Int J Nanomedicine 2014; 9:3687-706. [PMID: 25125978 PMCID: PMC4130718 DOI: 10.2147/ijn.s56661] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Hydroxyapatite (HA) is considered to be a bioactive material that favorably influences the adhesion, growth, and osteogenic differentiation of osteoblasts. To optimize the cell response on the hydroxyapatite composite, it is desirable to assess the optimum concentration and also the optimum particle size. The aim of our study was to prepare composite materials made of polydimethylsiloxane, polyamide, and nano-sized (N) or micro-sized (M) HA, with an HA content of 0%, 2%, 5%, 10%, 15%, 20%, 25% (v/v) (referred to as N0–N25 or M0–M25), and to evaluate them in vitro in cultures with human osteoblast-like MG-63 cells. For clinical applications, fast osseointegration of the implant into the bone is essential. We observed the greatest initial cell adhesion on composites M10 and N5. Nano-sized HA supported cell growth, especially during the first 3 days of culture. On composites with micro-size HA (2%–15%), MG-63 cells reached the highest densities on day 7. Samples M20 and M25, however, were toxic for MG-63 cells, although these composites supported the production of osteocalcin in these cells. On N2, a higher concentration of osteopontin was found in MG-63 cells. For biomedical applications, the concentration range of 5%–15% (v/v) nano-size or micro-size HA seems to be optimum.
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Affiliation(s)
- Elena Filová
- Department of Biomaterials and Tissue Engineering, Institute of Physiology, Prague, Czech Republic
| | - Tomáš Suchý
- Department of Composite and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague, Czech Republic ; Laboratory of Biomechanics, Department of Mechanics, Biomechanics and Mechatronics, Faculty of Mechanical Engineering, CTU in Prague, Prague, Czech Republic
| | - Zbyněk Sucharda
- Department of Composite and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Monika Supová
- Department of Composite and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Margit Zaloudková
- Department of Composite and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Karel Balík
- Department of Composite and Carbon Materials, Institute of Rock Structure and Mechanics, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Věra Lisá
- Department of Biomaterials and Tissue Engineering, Institute of Physiology, Prague, Czech Republic
| | - Miroslav Slouf
- Department of Morphology and Rheology of Polymer Materials, Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Prague, Czech Republic
| | - Lucie Bačáková
- Department of Biomaterials and Tissue Engineering, Institute of Physiology, Prague, Czech Republic
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Hydroxyapatite-titanium bulk composites for bone tissue engineering applications. J Biomed Mater Res A 2014; 103:791-806. [DOI: 10.1002/jbm.a.35198] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2013] [Revised: 04/09/2014] [Accepted: 04/10/2014] [Indexed: 11/07/2022]
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Kumar A, Webster TJ, Biswas K, Basu B. Flow cytometry analysis of human fetal osteoblast fate processes on spark plasma sintered hydroxyapatite-titanium biocomposites. J Biomed Mater Res A 2013; 101:2925-38. [DOI: 10.1002/jbm.a.34603] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2013] [Accepted: 01/09/2013] [Indexed: 11/08/2022]
Affiliation(s)
- Alok Kumar
- Department of Materials Science and Engineering; Indian Institute of Technology Kanpur; Kanpur 208016; India
| | - Thomas J. Webster
- Department of Chemical Engineering; College of Engineering; Northeastern University; Boston; Massachusetts
| | - Krishanu Biswas
- Department of Materials Science and Engineering; Indian Institute of Technology Kanpur; Kanpur 208016; India
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