1
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Kubota M, Furuya M, Yokota K, Kanetaka H, Ogawa T, Saito S, Jeyadevan B, Shimabukuro M, Yokoi T, Kawashita M. Proliferation and differentiation of MC3T3-E1 cells on polymethyl methacrylate cements containing Fe 3O 4 and TiO 2 for hyperthermic treatment of metastatic bone tumors. J Biomater Appl 2023; 38:605-613. [PMID: 37807835 DOI: 10.1177/08853282231205681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Polymethyl methacrylate (PMMA) bone cement is widely used to relieve pain caused by metastatic bone tumors. We previously found that PMMA bone cement containing 15 mass% or more of TiO2 showed good apatite-forming ability, and 25 mass% or more of Fe3O4 generated sufficient heat for hyperthermia under an alternating current (AC) magnetic field. In this study, the cytocompatibility of PMMA bone cement with Fe3O4:TiO2 weight ratios of 25:15 (F25T15-3/2-42) and 30:15 (F30T15-3/2-42) was evaluated using osteoblastic cells (MC3T3-E1). The proliferation and differentiation of MC3T3-E1 cells were suppressed for F25T15-3/2-42 and F30T15-3/2-42 compared to PMMA bone cement without Fe3O4 and TiO2 (F0T0-3/2-42). The release of methyl methacrylate (MMA) monomers from F25T15-3/2-42 and F30T15-3/2-42 at 7 days was about 33 and 50 times higher than that from F0T0-3/2-42, respectively. The remarkable release of MMA monomers from F25T15-3/2-42 and F30T15-3/2-42 may be responsible for the suppressed proliferation and differentiation of MC3T3-E1 cells. The release of MMA monomers was not reduced when the MMA/PMMA weight ratio was decreased from 3/2 to 1/1, however, it was significantly reduced by increasing the content of benzoyl peroxide (BPO) and N, N-dimethyl-p-toluidine (DMPT) to 8 and 4 mass% against MMA, respectively. Proliferation and differentiation of MC3T3-E1 cells on PMMA-type cements containing Fe3O4 and TiO2 with increased BPO and DMPT contents need to be investigated in the future; however, our findings will be useful for designing PMMA cements for the hyperthermic treatment of metastatic bone tumors.
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Affiliation(s)
- Moe Kubota
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Maiko Furuya
- Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | - Kotone Yokota
- Graduate School of Dentistry, Tohoku University, Sendai, Japan
| | | | - Tomoyuki Ogawa
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | - Shin Saito
- Graduate School of Engineering, Tohoku University, Sendai, Japan
| | | | - Masaya Shimabukuro
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Taishi Yokoi
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
| | - Masakazu Kawashita
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, Tokyo, Japan
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2
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Maher S, Linklater D, Rastin H, Liao STY, Martins de Sousa K, Lima-Marques L, Kingshott P, Thissen H, Ivanova EP, Losic D. Advancing of 3D-Printed Titanium Implants with Combined Antibacterial Protection Using Ultrasharp Nanostructured Surface and Gallium-Releasing Agents. ACS Biomater Sci Eng 2021; 8:314-327. [PMID: 34963288 DOI: 10.1021/acsbiomaterials.1c01030] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
This paper presents the development of advanced Ti implants with enhanced antibacterial activity. The implants were engineered using additive manufacturing three-dimensional (3D) printing technology followed by surface modification with electrochemical anodization and hydrothermal etching, to create unique hierarchical micro/nanosurface topographies of microspheres covered with sharp nanopillars that can mechanically kill bacteria in contact with the surface. To achieve enhanced antibacterial performance, fabricated Ti implant models were loaded with gallium nitrate as an antibacterial agent. The antibacterial efficacy of the fabricated substrates with the combined action of sharp nanopillars and locally releasing gallium ions (Ga3+) was evaluated toward Staphylococcus aureus and Pseudomonas aeruginosa. Results confirm the significant antibacterial performance of Ga3+-loaded substrates with a 100% eradication of bacteria. The nanopillars significantly reduced bacterial attachment and prevented biofilm formation while also killing any bacteria remaining on the surface. Furthermore, 3D-printed surfaces with microspheres of diameter 5-30 μm and interspaces of 12-35 μm favored the attachment of osteoblast-like MG-63 cells, as confirmed via the assessment of their attachment, proliferation, and viability. This study provides important progress toward engineering of next-generation 3D-printed implants, that combine surface chemistry and structure to achieve a highly efficacious antibacterial surface with dual cytocompatibility to overcome the limitations of conventional Ti implants.
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Affiliation(s)
- Shaheer Maher
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia.,Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt
| | - Denver Linklater
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia
| | - Hadi Rastin
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Sandy Tzu-Ying Liao
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia.,Department of Chemistry and Biotechnology, School of Science, Swinburne University of Technology, Hawthorn, VIC 3022, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | | | - Luis Lima-Marques
- The Institute for Photonics and Advanced Sensing, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Peter Kingshott
- Department of Chemistry and Biotechnology, School of Science, Swinburne University of Technology, Hawthorn, VIC 3022, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Helmut Thissen
- Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia.,CSIRO Manufacturing, Clayton, VIC 3168, Australia
| | - Elena P Ivanova
- College of STEM, School of Science, RMIT University, Melbourne, VIC 3000, Australia.,Australian Research Council (ARC) Training Centre in Surface Engineering for Advanced Materials (SEAM), Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Dusan Losic
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, SA 5005, Australia
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Kang J, Jeen SW. Simultaneous removal of nitrate and phosphate in groundwater using Ca-citrate complex. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:35738-35750. [PMID: 33675495 DOI: 10.1007/s11356-021-13312-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Eutrophication can be caused by excessive input of nutrients, such as nitrate and phosphate, to surface water. Nutrients in groundwater can enter surface water by means of base flow, requiring treatment before they reach surface water bodies. While some studies have attempted to remove nitrate and phosphate, methods for simultaneous removal in groundwater have rarely been reported. In this study, we propose an innovative treatment method to simultaneously remove nitrate and phosphate in groundwater based on an injection of Ca-citrate complex. A total of five batch experiments with different conditions were conducted to identify the removal mechanisms of nitrate and phosphate and to evaluate the use of alternative organic materials, such as lactate. The results showed that Ca-citrate complex can remove nitrate and phosphate simultaneously. Nitrate was removed through denitrification by denitrifying bacteria which used citrate as a carbon source. The removal mechanisms for phosphate were precipitation of phosphate minerals (e.g., hydroxyapatite) and adsorption. The results also showed that reactive materials based on Ca-lactate complex were able to remove nitrate and phosphate. This study suggests that nitrate and phosphate in groundwater can simultaneously be removed using organic-based calcium complexes, proposing a promising remedial method to alleviate potential eutrophication in surface water as well as groundwater contamination.
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Affiliation(s)
- Jiyoung Kang
- Department of Environment and Energy, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea
| | - Sung-Wook Jeen
- Department of Environment and Energy, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea.
- Department of Earth and Environmental Sciences & The Earth and Environmental Science System Research Center, Jeonbuk National University, Jeonju-si, Jeollabuk-do, 54896, Republic of Korea.
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4
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Alipoormazandarani N, Fokkink R, Fatehi P. Deposition behavior of lignin on solid surfaces assessed by stagnation point adsorption reflectometry. RSC Adv 2021; 11:16980-16988. [PMID: 35479723 PMCID: PMC9032271 DOI: 10.1039/d1ra02248b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Accepted: 04/22/2021] [Indexed: 11/28/2022] Open
Abstract
The deposition behavior of lignin on a solid surface was studied using stagnation point adsorption reflectometry (SPAR) comprehensively. In this study, the light absorption coefficient of lignin (τ = 20 476 m−1) at 633 nm wavelength was considered to define a new imaginary refractive index (k) used in the SPAR technique for adsorption analysis. The inclusion of k in the adsorption model yielded an adsorbed amount (Γ) of 1.11 mg m−2, leading to the quality factor (Qf) of 31.71 mg m−2. At a lower concentration, the deposition of lignin on the surface was increased, and it generated a maximum sticking coefficient of β = 0.71 at 25 mg L−1 on the surface. At the concentration range of 35 and 45 mg L−1, lignin formed clusters and its deposition dropped. The use of Quartz crystal microbalance (QCM) and SPAR techniques also confirmed that the proportion of water in the deposited lignin adlayer was greater when a lower concentration (5–25 mg L−1) of lignin solution was used for adsorption. The findings of this study revealed the potential use of the SPAR technique for evaluating the deposition performance of lignin-based materials on varied surfaces, which would facilitate the development of coating and composite applications for lignin. The deposition of lignin on a solid surface (i.e., SiO2 made wafer) was fundamentally studied using Stagnation Point Adsorption Reflectometry (SPAR).![]()
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Affiliation(s)
| | - Remco Fokkink
- Laboratory of Physical Chemistry and Soft Matter
- Wageningen University & Research
- The Netherlands
| | - Pedram Fatehi
- Chemical Engineering Department
- Lakehead University
- Thunder Bay
- Canada
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5
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Wang W, Ni J, Chen L, Ai Z, Zhao Y, Song S. Synthesis of carboxymethyl cellulose-chitosan-montmorillonite nanosheets composite hydrogel for dye effluent remediation. Int J Biol Macromol 2020; 165:1-10. [DOI: 10.1016/j.ijbiomac.2020.09.154] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/16/2020] [Accepted: 09/20/2020] [Indexed: 12/13/2022]
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6
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Xu Y, Liu W, Zhang G, Li Z, Hu H, Wang C, Zeng X, Zhao S, Zhang Y, Ren T. Friction stability and cellular behaviors on laser textured Ti-6Al-4V alloy implants with bioinspired micro-overlapping structures. J Mech Behav Biomed Mater 2020; 109:103823. [PMID: 32543395 DOI: 10.1016/j.jmbbm.2020.103823] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 02/11/2020] [Accepted: 04/20/2020] [Indexed: 11/30/2022]
Abstract
The grain structure and surface morphology of bio-implants act as a pivotal part in altering cell behavior. Titanium alloy bone screws, as common implants, are prone to screws loosening and complications threat in the physiological environment due to their inferior anti-wear and surface inertia. Manufacturing bone screws with high wear resistance and ideal biocompatibility has always been a challenge. In this study, a series of overlapping morphologies inspired by the hierarchical structure of fish scales and micro bulges of shrimp were structured on Ti-6Al-4V implant by laser texturing. The results indicate that the textured patterns could improve cell attachment, proliferation, and osteogenic differentiation. The short-term response of human bone marrow-derived mesenchymal stem cells (hBMSCs) on the textured surface are more sensitive to the microstructure than the surface roughness, wettability, grain size and surface chemical elements of the textured surfaces. More importantly, the friction-increasing and friction-reducing type overlapping structures exhibit excellent friction stability at different stages of modified simulated body fluid (m-SBF) soaking. The overlapping structure (Micro-smooth stacked ring: MSSR) is more beneficial to promote the formation of apatite. Deposited spherical-like apatite particles can act as a "lubricant" on the MSSR surface during the friction process to alleviate the adhesion wear of the surface. Meanwhile, apatite particles participate in the formation of friction film, which plays an effective role in reducing friction and antiwear in corrosion solution (m-SBF) for a long time. These features show that the combination of soaking treatment in m-SBF solution with laser-textured MSSR structure is expected to be an efficient and environmentally friendly strategy to prolong the service life of bone screws and reducing the complications of mildly osteoporotic implants.
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Affiliation(s)
- Yong Xu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Wei Liu
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, China
| | - Gangqiang Zhang
- College of Textile & Clothing, Institute of Functional Textiles and Advanced Materials, State Key Laboratory of Bio-Fibers and Eco-Textiles, Collaborative Innovation Center of Marine Biomass Fibers Materials and Textiles of Shandong Province, Qingdao University, Qingdao, 266071, China
| | - Zhipeng Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Hongxing Hu
- Department of Orthopedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325000, China
| | - Chenchen Wang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China
| | - Xiangqiong Zeng
- Advanced Lubricating Materials Laboratory, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai, 201404, China
| | - Shichang Zhao
- Department of Orthopedic Surgery, Shanghai Sixth People's Hospital, Shanghai Jiao Tong University, Shanghai, 200233, China.
| | - Yadong Zhang
- Department of Orthopedics, Shanghai Fengxian Central Hospital, South Campus of Shanghai Sixth People's Hospital, Shanghai Jiaotong University, Shanghai 201400, China.
| | - Tianhui Ren
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Jiao Tong University, Shanghai, 200240, China.
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7
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Synthesis of chitosan cross-linked 3D network-structured hydrogel for methylene blue removal. Int J Biol Macromol 2019; 141:98-107. [DOI: 10.1016/j.ijbiomac.2019.08.225] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 08/21/2019] [Accepted: 08/27/2019] [Indexed: 01/03/2023]
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8
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Rasoulianboroujeni M, Fahimipour F, Shah P, Khoshroo K, Tahriri M, Eslami H, Yadegari A, Dashtimoghadam E, Tayebi L. Development of 3D-printed PLGA/TiO 2 nanocomposite scaffolds for bone tissue engineering applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 96:105-113. [PMID: 30606516 PMCID: PMC6388694 DOI: 10.1016/j.msec.2018.10.077] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 09/01/2018] [Accepted: 10/22/2018] [Indexed: 01/20/2023]
Abstract
Porous scaffolds were 3D-printed using poly lactic-co-glycolic acid (PLGA)/TiO2 composite (10:1 weight ratio) for bone tissue engineering applications. Addition of TiO2 nanoparticles improved the compressive modulus of scaffolds. Differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA) revealed an increase in both glass transition temperature and thermal decomposition onset of the composite compared to pure PLGA. Furthermore, addition of TiO2 was found to enhance the wettability of the surface evidenced by reducing the contact angle from 90.5 ± 3.2 to 79.8 ± 2.4 which is in favor of cellular attachment and activity. The obtained results revealed that PLGA/TiO2 scaffolds significantly improved osteoblast proliferation compared to pure PLGA (p < 0.05). Furthermore, osteoblasts cultured on PLGA/TiO2 nanocomposite showed significantly higher ALP activity and improved calcium secretion compared to pure PLGA scaffolds (p < 0.05).
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Affiliation(s)
| | - F Fahimipour
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - P Shah
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - K Khoshroo
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - M Tahriri
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - H Eslami
- Department of Biomedical Engineering, Haeri University, Yazd, Iran
| | - A Yadegari
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - E Dashtimoghadam
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - L Tayebi
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA.
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9
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Zhang C, Xiao Z, Qin T, Yang Z. Modification of nanocrystalline TiO 2 coatings with molecularly imprinted TiO 2 for uric acid recognition. J Mol Recognit 2018; 32:e2775. [PMID: 30592338 DOI: 10.1002/jmr.2775] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 11/08/2018] [Accepted: 11/27/2018] [Indexed: 12/25/2022]
Abstract
Combining the surface modification and molecular imprinting technique, a novel piezoelectric sensing platform with excellent molecular recognition capability was established for the detection of uric acid (UA) based on the immobilization of TiO2 nanoparticles onto quartz crystal microbalance (QCM) electrode and modification of molecularly imprinted TiO2 (MIT) layer on TiO2 nanoparticles. The performance of the fabricated biosensor was evaluated, and the results indicated that the biosensor exhibited high sensitivity in UA detection, with a linear range from 0.04 to 45 μM and a limit of detection of 0.01 μM. Moreover, the biosensor presented high selectivity towards UA in comparison with other interferents. The analytical application of the UA biosensor confirmed the feasibility of UA detection in urine sample.
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Affiliation(s)
- Chunlei Zhang
- Bone Tumour and Bone Disease Department II, Zhengzhou Orthopaedic Hospital, Zhengzhou, China
| | - Zhiguo Xiao
- College of Safety Science and Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Tongtong Qin
- Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China
| | - Zhengpeng Yang
- Institute of Materials Science and Engineering, Henan Polytechnic University, Jiaozuo, China
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10
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A critical review of multifunctional titanium surfaces: New frontiers for improving osseointegration and host response, avoiding bacteria contamination. Acta Biomater 2018; 79:1-22. [PMID: 30121373 DOI: 10.1016/j.actbio.2018.08.013] [Citation(s) in RCA: 182] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 07/30/2018] [Accepted: 08/15/2018] [Indexed: 02/07/2023]
Abstract
Evolution of metal implants progressively shifted the focus from adequate mechanical strength to improved biocompatibility and absence of toxicity and, finally, to fast osseointegration. Recently, new frontiers and challenges of Ti implants have been addressed to improvement of bioactivity, fighting of bacterial infection and biofilm formation, as well as modulation of inflammation. This is closely related to the clinical demand of multifunctional implants able to simultaneously have a number of specific responses with respect to body fluids, cells (osteoblasts, fibroblasts, macrophages) and pathogenic agents (bacteria, viruses). This complex system of multiple biological stimuli and surface responses is a major arena of the current research on biomaterials and biosurfaces. This review covers the strategies explored to this purpose since 2010 in the case of Ti and Ti alloys, considering that the number of related papers doubled about in the last seven years and no review has comprehensively covered this engaging research area yet. The different approaches followed for producing multifunctional Ti-based surfaces involve the use of thick and thin inorganic coatings, chemical surface treatments, and functionalization strategies coupled with organic coatings. STATEMENT OF SIGNIFICANCE According to the clinical demand of multifunctional implants able to simultaneously have a number of specific responses with respect to body fluids, cells and pathogenic agents, new frontiers of Ti implants have been addressed to improvement of bioactivity, fighting of bacterial infection and biofilm formation, as well as modulation of inflammation. Literature since 2010 is here reviewed. Several strategies for getting bioactive and antibacterial actions on Ti surfaces have been suggested, but they still need to be optimized with respect to several concerns. A further step will be to combine on the same surface a proven ability of modulation of inflammatory response. The achievement of multifunctional surfaces able to modulate inflammation and to promote osteogenesis is a grand challenge.
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11
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Rao X, Li J, Feng X, Chu C. Bone-like apatite growth on controllable macroporous titanium scaffolds coated with microporous titania. J Mech Behav Biomed Mater 2018; 77:225-233. [DOI: 10.1016/j.jmbbm.2017.09.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2017] [Revised: 08/10/2017] [Accepted: 09/06/2017] [Indexed: 12/20/2022]
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12
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Klimek K, Przekora A, Benko A, Niemiec W, Blazewicz M, Ginalska G. The use of calcium ions instead of heat treatment for β-1,3-glucan gelation improves biocompatibility of the β-1,3-glucan/HA bone scaffold. Carbohydr Polym 2017; 164:170-178. [PMID: 28325314 DOI: 10.1016/j.carbpol.2017.02.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Revised: 01/25/2017] [Accepted: 02/03/2017] [Indexed: 11/30/2022]
Abstract
The aim of this study was to determine which procedure for β-1,3-glucan gelation - newly developed dialysis against calcium salt or described in the literature thermal technique - is more appropriate for fabrication of a biomaterial designed for bone tissue engineering applications. Thus, β-1,3-glucan/hydroxyapatite scaffolds were prepared based on two different methods and their physicochemical, microstructural, and biological properties were compared. Obtained results demonstrated that unlike thermal method-prepared β-1,3-glucan/hydroxyapatite material (glu/HAT), bone scaffold fabricated via dialysis method (glu/HA D) possessed rough surface resulting from the presence of CaCl2 precipitates as proven by SEM and EDS analysis. As a consequence, glu/HA D scaffold released Ca2+ ions to the surrounding environment positively affecting osteoblast behaviour and biomineralization in vitro. Since glu/HA D material exhibited better bioactivity and biocompatibility compared to the glu/HA T scaffold, it may be concluded that the dialysis method is more suitable for β-1,3-glucan/hydroxyapatite biomaterial fabrication.
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Affiliation(s)
- Katarzyna Klimek
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland.
| | - Agata Przekora
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland.
| | - Aleksandra Benko
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Wiktor Niemiec
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Marta Blazewicz
- AGH University, Faculty of Materials Science and Ceramics, Department of Biomaterials, A. Mickiewicza 30 Ave., 30-059 Krakow, Poland
| | - Grazyna Ginalska
- Medical University of Lublin, Chair and Department of Biochemistry and Biotechnology, Chodzki 1 Street, 20-093 Lublin, Poland
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13
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Liu X, Liu P, Huo X, Liu X, Liu J. Preparation of TiO 2 nanosheet-carbon nanotube composite as immobilization platform for both primary and secondary antibodies in electrochemical immunoassay. Anal Chim Acta 2016; 946:40-47. [DOI: 10.1016/j.aca.2016.10.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2016] [Accepted: 10/16/2016] [Indexed: 11/29/2022]
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14
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Rao X, Chu C, Sun Q, Zheng Y. Fabrication and apatite inducing ability of different porous titania structures by PEO treatment. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2016; 66:297-305. [DOI: 10.1016/j.msec.2016.04.038] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 03/10/2016] [Accepted: 04/11/2016] [Indexed: 12/27/2022]
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15
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Surface Properties and In Vitro Bioactivity of Fluorapatite/TiO2 Coatings Deposited on Ti Substrates by Nd:YAG Laser Cladding. J Med Biol Eng 2015. [DOI: 10.1007/s40846-015-0048-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Shayan M, Jung Y, Huang PS, Moradi M, Plakseychuk AY, Lee JK, Shankar R, Chun Y. Improved osteoblast response to UV-irradiated PMMA/TiO2 nanocomposites with controllable wettability. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2014; 25:2721-2730. [PMID: 25074833 DOI: 10.1007/s10856-014-5284-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 07/17/2014] [Indexed: 06/03/2023]
Abstract
Osteoblast response was evaluated with polymethylmethacrylate (PMMA)/titanium dioxide (TiO2) nanocomposite thin films that exhibit the controllable wettability with ultraviolet (UV) treatment. In this study, three samples of PMMA/TiO2 were fabricated with three different compositional volume ratios (i.e., 25/75, 50/50, and 75/25) followed by UV treatment for 0, 4, and 8 h. All samples showed the increased hydrophilicity after UV irradiation. The films fabricated with the greater amount of TiO2 and treated with the longer UV irradiation time increased the hydrophilicity more. The partial elimination of PMMA on the surface after UV irradiation created a durable hydrophilic surface by (1) exposing higher amount of TiO2 on the surface, (2) increasing the hydroxyl groups on the TiO2 surface, and (3) producing a mesoporous structure that helps to hold the water molecules on the surface longer. The partial elimination of PMMA on the surface was confirmed by Fourier transform infrared spectroscopy. Surface profiler and atomic force microscopy demonstrated the increased surface roughness after UV irradiation. Both scanning electron microscopy and energy-dispersive X-ray spectroscopy demonstrated that particles containing calcium and phosphate elements appeared on the 8 h UV-treated surface of PMMA/TiO2 25/75 samples after 4 days soaking in Dulbecco's Modified Eagle Medium. UV treatment showed the osteoblast adhesion improved on all the surfaces. While all UV-treated hydrophilic samples demonstrated the improvement of osteoblast cell adhesion, the PMMA/TiO2 25/75 sample after 8 h UV irradiation (n = 5, P value = 0.000) represented the best cellular response as compared to other samples. UV-treated PMMA/TiO2 nanocomposite thin films with controllable surface properties represent a high potential for the biomaterials used in both orthopedic and dental applications.
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Affiliation(s)
- Mahdis Shayan
- Department of Industrial Engineering, University of Pittsburgh, 522 Benedum Hall, Pittsburgh, PA, 15261, USA
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17
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Gao Y, Liu Y, Zhou L, Guo Z, Rong M, Liu X, Lai C, Ding X. The effects of different wavelength UV photofunctionalization on micro-arc oxidized titanium. PLoS One 2013; 8:e68086. [PMID: 23861853 PMCID: PMC3702557 DOI: 10.1371/journal.pone.0068086] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2013] [Accepted: 05/25/2013] [Indexed: 01/04/2023] Open
Abstract
Many challenges exist in improving early osseointegration, one of the most critical factors in the long-term clinical success of dental implants. Recently, ultraviolet (UV) light-mediated photofunctionalization of titanium as a new potential surface treatment has aroused great interest. This study examines the bioactivity of titanium surfaces treated with UV light of different wavelengths and the underlying associated mechanism. Micro-arc oxidation (MAO) titanium samples were pretreated with UVA light (peak wavelength of 360 nm) or UVC light (peak wavelength of 250 nm) for up to 24 h. UVC treatment promoted the attachment, spread, proliferation and differentiation of MG-63 osteoblast-like cells on the titanium surface, as well as the capacity for apatite formation in simulated body fluid (SBF). These biological influences were not observed after UVA treatment, apart from a weaker effect on apatite formation. The enhanced bioactivity was substantially correlated with the amount of Ti-OH groups, which play an important role in improving the hydrophilicity, along with the removal of hydrocarbons on the titanium surface. Our results showed that both UVA and UVC irradiation altered the chemical properties of the titanium surface without sacrificing its excellent physical characteristics, suggesting that this technology has extensive potential applications and merits further investigation.
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Affiliation(s)
- Yan Gao
- Center of Oral Implantology, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Ying Liu
- Department of Stomatology, Nanfang Hospital, and College of Stomatology, Southern Medical University, Guangzhou, China
| | - Lei Zhou
- Center of Oral Implantology, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
- * E-mail:
| | - Zehong Guo
- Department of Oral and Maxillofacial Surgery, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Mingdeng Rong
- Department of Oral and Maxillofacial Surgery, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Xiangning Liu
- Department of Prosthodontics, Guangzhou Overseas Chinese Hospital, Jinan University, Guangzhou, China
| | - Chunhua Lai
- Center of Oral Implantology, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
| | - Xianglong Ding
- Center of Oral Implantology, Guangdong Provincial Stomatological Hospital, Southern Medical University, Guangzhou, China
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18
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In Situ Solution Study of Calcium Phosphate Crystallization Kinetics. Methods Enzymol 2013; 532:129-44. [DOI: 10.1016/b978-0-12-416617-2.00006-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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19
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Karlsson J, Jimbo R, Fathali HM, Schwartz-Filho HO, Hayashi M, Halvarsson M, Wennerberg A, Andersson M. In vivo biomechanical stability of osseointegrating mesoporous TiO(2) implants. Acta Biomater 2012; 8:4438-46. [PMID: 22842030 DOI: 10.1016/j.actbio.2012.07.035] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2012] [Revised: 07/17/2012] [Accepted: 07/20/2012] [Indexed: 11/28/2022]
Abstract
Mesoporous materials are of high interest as implant coatings to receive an enhanced osseointegration. In this study, titanium implants coated with mesoporous TiO(2) thin films have been evaluated both in vitro and in vivo. Material characterization showed that, with partly crystalline TiO(2) (anatase), long-range-ordered hydrophilic mesoporous thin films with a pore size of 6nm were obtained. Evaluation of the mechanical resistance showed that the films were robust enough to withstand the standard implantation procedure. In vitro apatite formation was studied using simulated body fluids, showing that the pores are accessible for ions and that formation of apatite was increased due to the presence of the mesopores. An in vivo study using a rabbit model was executed in which the removal torque and histomorphometry were evaluated. The results show that the biomechanical stability of the TiO(2) coating was unaffected by the presence of mesopores and that osseointegration was achieved without any signs of inflammation.
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Affiliation(s)
- Johan Karlsson
- Department of Chemical and Biological Engineering, Applied Chemistry, Chalmers University of Technology, Gothenburg, Sweden
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20
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Yang ZP, Zhang CJ, Sun YK, Ren XL. Controlled growth of calcium phosphate using phosphatidylcholine-modified porous titania as reaction compartments. Chem Eng Sci 2012. [DOI: 10.1016/j.ces.2012.05.045] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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21
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Uetsuki K, Nakai S, Shirosaki Y, Hayakawa S, Osaka A. Nucleation and growth of apatite on an anatase layer irradiated with UV light under different environmental conditions. J Biomed Mater Res A 2012; 101:712-9. [PMID: 22941932 DOI: 10.1002/jbm.a.34370] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2011] [Revised: 06/02/2012] [Accepted: 07/09/2012] [Indexed: 11/10/2022]
Abstract
Implant surfaces must sometimes be modified to form strong bonds to host tissues. The method of depositing an anatase layer on chemically pure titanium by chemical oxidation with H(2)O(2) and subsequent calcination (CHT) is known to deposit apatite under physiological conditions; it thus exhibits bone-bonding ability. UV irradiation should affect the bonding ability because the CHT anatase layer would experience certain chemical modifications, such as a decrease or an increase in the number of Ti-OH and Ti-O(H)-Ti sites; these sites are considered active sites for apatite nucleation. When in vitro apatite deposition was examined, using Kokubo's simulated body fluid, UV irradiation in air reduced the apatite-forming ability of the CHT anatase layer, and UV irradiation on the samples in water enhanced the ability. These results were correlated to changes in the Ti-OH and Ti-O(H)-Ti sites, as determined by O 1s X-ray photoelectron spectroscopy. Analysis of the number and size of the semi-spherical apatite particles and their surface coverage led to a model: proper assembly of the Ti-OH and Ti-O(H)-Ti sites should only give rise to the induction of apatite nucleation, analogous to topotaxy effects.
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Affiliation(s)
- Keita Uetsuki
- Graduate School of Natural Science and Technology, Okayama University, Kita-ku, Okayama-shi 700-8530, Japan
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22
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Tang A, Deng Y, Jin J, Yang H. ZnFe2O4-TiO2 nanoparticles within mesoporous MCM-41. ScientificWorldJournal 2012; 2012:480527. [PMID: 22919325 PMCID: PMC3419409 DOI: 10.1100/2012/480527] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2012] [Accepted: 06/05/2012] [Indexed: 11/17/2022] Open
Abstract
A novel nanocomposite ZnFe(2)O(4)-TiO(2)/MCM-41 (ZTM) was synthesized by a sol-gel method and characterized through X-ray diffraction (XRD), high-resolution transmission electron microscopy (HRTEM), N(2) adsorption-desorption, Raman spectroscopy, and ultraviolet visible (UV-vis) spectrophotometry. The results confirmed the incorporation of ZnFe(2)O(4)-TiO(2) nanoparticles inside the pores of the mesoporous MCM-41 host without destroying its integrity. ZnFe(2)O(4) nanoparticles can inhibit the transformation of anatase into rutile phase of TiO(2). Incorporation of ZnFe(2)O(4)-TiO(2) within MCM-41 avoided the agglomeration of nanoparticles and reduced the band gap energy of TiO(2) to enhance its visible light photocatalytic activity. UV-vis absorption edges of ZTM nanocomposites redshifted with the increase of Zn/Ti molar ratio. The nanocomposite approach could be a potential choice for enhancing the photoactivity of TiO(2), indicating an interesting application in the photodegradation and photoelectric fields.
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Affiliation(s)
- Aidong Tang
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China
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23
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Alumina/TiO2/hydroxyapatite interface nanostructure composite filters as efficient photocatalysts for the purification of air. REACTION KINETICS MECHANISMS AND CATALYSIS 2012. [DOI: 10.1007/s11144-012-0457-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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24
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Choi JY, Jung HJ, Park BJ, Joung YK, Park KD, Han DK. Adhesion Behavior of Chondrocyte and Osteoblast on Surface-Modified Biodegradable PLLA Films and Scaffolds. POLYMER-KOREA 2012. [DOI: 10.7317/pk.2012.36.3.357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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25
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Lilja M, Welch K, Åstrand M, Engqvist H, Strømme M. Effect of deposition parameters on the photocatalytic activity and bioactivity of TiO2 thin films deposited by vacuum arc on Ti-6Al-4V substrates. J Biomed Mater Res B Appl Biomater 2012; 100:1078-85. [DOI: 10.1002/jbm.b.32674] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2011] [Revised: 12/01/2011] [Accepted: 12/03/2011] [Indexed: 11/09/2022]
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26
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Yang Z, Zhang C. Enhanced photocatalytic performance of molecularly imprinted hydroxyapatite thin film for bilirubin degradation. ASIA-PAC J CHEM ENG 2012. [DOI: 10.1002/apj.1620] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Zhengpeng Yang
- Institute of Materials Science and Engineering; Henan Polytechnic University; Jiaozuo; 454000; China
| | - Chunjing Zhang
- Institute of Materials Science and Engineering; Henan Polytechnic University; Jiaozuo; 454000; China
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Abstract
The core/shell structured rutile/apatite was prepared by soaking rutile TiO2 (R-TiO2) microspheres into a simulated body fluid (SBF) only for 1 day. The as-prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high-resolution transmission electron microscopy (HRTEM), energy dispersive X-ray (EDX) and N2 adsorption measurements. XRD showed that the apatite content increased with prolonging the soaking time or increasing the SBF concentration. TEM and EDX demonstrated that apatite had been coated on the surface of R-TiO2 microspheres successfully. HRTEM indicated that the lattice spacings of 0.27 nm and 0.32 nm were assigned to (211) plane of apatite and (101) plane of R-TiO2, respectively.
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28
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Molecularly imprinted hydroxyapatite thin film for bilirubin recognition. Biosens Bioelectron 2011; 29:167-71. [DOI: 10.1016/j.bios.2011.08.012] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2011] [Revised: 08/10/2011] [Accepted: 08/10/2011] [Indexed: 11/18/2022]
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29
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Bernier MC, El Kirat K, Besse M, Morandat S, Vayssade M. Preosteoblasts and fibroblasts respond differently to anatase titanium dioxide nanoparticles: a cytotoxicity and inflammation study. Colloids Surf B Biointerfaces 2011; 90:68-74. [PMID: 22019048 DOI: 10.1016/j.colsurfb.2011.09.044] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Revised: 09/23/2011] [Accepted: 09/27/2011] [Indexed: 01/08/2023]
Abstract
There is a bundle of proofs suggesting that some industrial nanoparticles (NPs) can provoke diseases and pollute the environment durably. However, these issues still remain controversial. In the biomedical field, TiO(2) NPs were recently proposed to serve as fillers in polymeric materials to improve bone prostheses and scaffolds. Submicrometer TiO(2) particles could also result from wear debris of prostheses. Thus, it appears to be of the highest importance to elucidate the effects of well-characterized TiO(2) NPs on the behaviour of osteoblasts. In this work, we have measured the toxicity of anatase TiO(2) NPs with two different cell types, on L929 fibroblasts and for the first time on MC-3T3 pre-osteoblasts, with the aim to determine the level of cellular toxicity and inflammation. Our results clearly show that these NPs provoke different dose-response effects, with the pre-osteoblasts being much more sensitive than fibroblasts. Furthermore, we observed that anatase TiO(2) NPs had no effect on cell adhesion. By contrast, both cell types had their morphology and LDH release modified in the presence of NPs. Their DNA was also found to be fragmented as analyzed by quantifying the sub-G1 cell population with flow cytometry. By measuring the production of IL-6 and TNF-α proinflammatory cytokines, we have shown that TNF-α was never produced and that MC-3T3 cells were secreting IL-6. Most importantly, our results highlight the necessity of evaluating the toxicity of prostheses wear debris, and of NP coatings of medical implants, to determine if they can possibly provoke inflammation and inhibit bone reconstruction.
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Affiliation(s)
- Marie-Charlotte Bernier
- Université de Technologie de Compiègne, Centre de Recherches de Royallieu, CNRS UMR 6600, Compiègne, France
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30
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Yang ZP, Yan JL, Zhang CJ, Luo SQ. Enhanced removal of bilirubin on molecularly imprinted titania film. Colloids Surf B Biointerfaces 2011; 87:187-91. [DOI: 10.1016/j.colsurfb.2011.05.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2011] [Revised: 05/12/2011] [Accepted: 05/13/2011] [Indexed: 10/18/2022]
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31
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Huang Y, Wang H, Gong S. Sorption behavior of hydroxyapatite for 109Cd(II) as a function of environmental conditions. J Radioanal Nucl Chem 2011. [DOI: 10.1007/s10967-011-1439-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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32
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33
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Wang H, Liang C, Yang Y, Li C. Bioactivities of a Ti surface ablated with a femtosecond laser through SBF. Biomed Mater 2010; 5:054115. [DOI: 10.1088/1748-6041/5/5/054115] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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34
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Park K, Hyun Jung Jung, Kim JJ, Dong Keun Han. Effect of Surface-activated PLLA Scaffold on Apatite Formation in Simulated Body Fluid. J BIOACT COMPAT POL 2010. [DOI: 10.1177/0883911509353677] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Surface-activated poly(L-lactic acid) (PLLA) films and scaffolds were investigated for their effect on the formation of hydroxyapatite (HA) in simulated body fluid (SBF). PLLA samples were treated with plasma discharge in oxygen gas; the activated polymer surfaces were subjected to in situ grafting acrylic acid (AA) monomer. The obtained PLLA-PAA was converted to PLLA-PAA-HA in SBF. The formation of HA crystals was identified by surface analyses and the size and distribution by scanning electron miscroscopy. The major elements of HA surface-modified PLLA were confirmed by electron spectroscopy for chemical analysis and attenuated total reflectance-Fourier transform infrared spectra. Fibroblast, chondrocyte, and osteoblast cells were seeded in scaffolds and cultivated in vitro; the total cellularity was higher in the PLLA-PAA-HA scaffolds than the PLLA and PLLA-HA. Histological staining of the cells was denser in the cell-seeded PLLA-PAA-HA constructs. The introduction of specific functionality on the polymer surface significantly improved apatite nucleation and growth. Thus, HA-formed PLLA scaffolds are potentially useful in musculoskeletal tissue engineering.
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Affiliation(s)
- Kwideok Park
- Biomaterials Research Center, Korea Institute of Science and Technology P. O. Box 131, Cheongryang, Seoul 130-650, Korea
| | - Hyun Jung Jung
- Biomaterials Research Center, Korea Institute of Science and Technology P. O. Box 131, Cheongryang, Seoul 130-650, Korea
| | - Jae-Jin Kim
- Biomaterials Research Center, Korea Institute of Science and Technology P. O. Box 131, Cheongryang, Seoul 130-650, Korea
| | - Dong Keun Han
- Biomaterials Research Center, Korea Institute of Science and Technology P. O. Box 131, Cheongryang, Seoul 130-650, Korea,
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35
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Aberg J, Brohede U, Mihranyan A, Strømme M, Engqvist H. Bisphosphonate incorporation in surgical implant coatings by fast loading and co-precipitation at low drug concentrations. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2009; 20:2053-2061. [PMID: 19449201 DOI: 10.1007/s10856-009-3771-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2008] [Accepted: 05/04/2009] [Indexed: 05/27/2023]
Abstract
The objectives of the present work was to evaluate the possibility for fast loading by soaking of bisphosphonates (BPs) into hydroxylapatite (HA) implant coatings biomimetically grown on crystalline TiO(2) surfaces, and also investigate the influence of different BP loading concentrations in a buffer during co-precipitation of a calcium phosphate containing layer onto these surfaces. The co-precipitation method created coatings that contained BPs throughout most of the coating layer, but the presence of BPs in the buffer hindered the formation of a bulk HA-layer, thus resulting in very thin coatings most likely consisting of islands built up by a calcium phosphate containing BPs. The coatings biomimetically grown on TiO(2) surfaces, were shown to consist of crystalline HA. Soaking of these coatings during 15 min only in a low BPs concentration containing buffer yielded a concentration on the coating surface of the same order of magnitude as obtained with soaking during 60 min in significantly higher concentrated buffers. This could be of advantage during surgery since the operating surgeon could make a fast decision whether or not to include the drugs in the coating based on the need of the particular patient at hand. The BPs present on the surface of the fast-loaded HA coatings were found to be strongly bound, something which should be beneficial for in vivo use. Both the co-precipitation method and the fast loading by soaking method investigated here are promising techniques for loading of BPs onto surgical implants. The simplicity of both methods is an advantage since implants can have spatially complicated structures.
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Affiliation(s)
- Jonas Aberg
- Division for Materials Science, Department of Engineering Sciences, The Angström Laboratory, Uppsala University, 751 21 Uppsala, Sweden
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36
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Paital SR, Dahotre NB. Wettability and kinetics of hydroxyapatite precipitation on a laser-textured Ca-P bioceramic coating. Acta Biomater 2009; 5:2763-72. [PMID: 19362524 DOI: 10.1016/j.actbio.2009.03.004] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2009] [Revised: 02/26/2009] [Accepted: 03/05/2009] [Indexed: 10/21/2022]
Abstract
Surface-textured calcium phosphate coatings at four different length scales were synthesized on titanium-based alloys using a pulsed Nd:YAG laser system by a direct melting technique. The textures were obtained by varying the laser spot overlap with a change in laser traverse speed. Surface roughness measurements of the textured coatings carried out using a white light interferometer indicated a decrease in roughness with increasing laser scan speed. Wettability of the coated samples measured using a static sessile drop technique demonstrated an increased hydrophilicity with increasing laser scan speed. The influence of such textures and the associated surface roughness on the precipitation kinetics of hydroxyapatite (HA) during immersion in simulated body fluid (SBF) was the prime focus of the present paper. The mineralized samples obtained after immersion in SBF were characterized using X-ray diffraction, energy-dispersive spectroscopy and scanning electron microscopy to understand the kinetics of HA precipitation. The results thereafter confirmed that the precipitation kinetics of HA was strongly modulated by the varying surface roughness.
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37
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Yang Z, Zhang C. Adsorption and photocatalytic degradation of bilirubin on hydroxyapatite coatings with nanostructural surface. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcata.2008.12.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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38
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Tran PA, Sarin L, Hurt RH, Webster TJ. Opportunities for nanotechnology-enabled bioactive bone implants. ACTA ACUST UNITED AC 2009. [DOI: 10.1039/b814334j] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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