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Lan W, Li J, Lv Z, Liu S, Liang Z, Huang D, Wei X, Chen W. In vitro corrosion and cytocompatibility of Mg-Zn-Ca alloys coated with FHA. Colloids Surf B Biointerfaces 2024; 238:113880. [PMID: 38581836 DOI: 10.1016/j.colsurfb.2024.113880] [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: 01/28/2024] [Revised: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 04/08/2024]
Abstract
In the field of orthopedics, it's crucial to effectively slow down the degradation rate of Mg alloys. This study aims to improve the degradation behavior of Mg-Zn-Ca alloys by electrodepositing fluorohydroxyapatite (FHA). We investigated the microstructure and bond strength of the deposition, as well as degradation and cellular reactions. After 15-30 days of degradation in Hanks solution, FHA deposited alloys showed enhanced stability and less pH change. The strong interfacial bond between FHA and the Mg-Zn-Ca substrate was verified through scratch tests (Critical loads: 10.73 ± 0.014 N in Mg-Zn-0.5Ca alloys). Cellular studies demonstrated that FHA-coated alloys exhibited good cytocompatibility and promoted the growth of MC3T3-E1 cells. Further tests showed FHA-coated alloys owed improved early bone mineralization and osteogenic properties, especially in Mg-Zn-0.5Ca. This research highlighted the potential of FHA-coated Mg-Zn-0.5Ca alloys in orthopedics applications.
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Affiliation(s)
- Weiwei Lan
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030060, China
| | - Jun Li
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Zhenjun Lv
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Shuang Liu
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Ziwei Liang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030060, China
| | - Di Huang
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030060, China.
| | - Xiaochun Wei
- Department of Orthopaedics, The Second Hospital of Shanxi Medical University, Taiyuan 030001, PR China
| | - Weiyi Chen
- Research Center for Nano-Biomaterials & Regenerative Medicine, Department of Biomedical Engineering, College of Biomedical Engineering, Taiyuan University of Technology, Taiyuan 030024, China; Shanxi-Zheda Institute of Advanced Materials and Chemical Engineering, Taiyuan 030060, China.
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2
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Bian A, Jia F, Wu Z, Li M, Yang H, Huang X, Xie L, Qiao H, Lin H, Huang Y. In Vitro Cytocompatibility and Anti‐biofilm Properties of Electrodeposited Ternary‐Ion‐Doped Hydroxyapatite Coatings on Ti for Orthopaedic Applications. ChemistrySelect 2023. [DOI: 10.1002/slct.202203683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Anqi Bian
- College of Lab Medicine Hebei North University Key Laboratory of Biomedical Materials of Zhangjiakou Zhangjiakou 075000 China
| | - Fenghuan Jia
- College of Lab Medicine Hebei North University Key Laboratory of Biomedical Materials of Zhangjiakou Zhangjiakou 075000 China
| | - Zongze Wu
- Department of Interventional Radiology Shenzhen People's Hospital (The Second Clinical Medical College Jinan University The First Affiliated Hospital Southern University of Science and Technology) Shenzhen 518020 China
| | - Meiyu Li
- College of Lab Medicine Hebei North University Key Laboratory of Biomedical Materials of Zhangjiakou Zhangjiakou 075000 China
| | - Hao Yang
- Key Laboratory for Green Chemical Process of Ministry of Education Wuhan Institute of Technology Wuhan 430205 China
| | - Xiao Huang
- School of Physical Education Guangxi University of Science and Technology Liuzhou 545006 China
| | - Lei Xie
- School of Medicine University of Electronic Science and Technology of China Chengdu 610054 China
| | - Haixia Qiao
- College of Lab Medicine Hebei North University Key Laboratory of Biomedical Materials of Zhangjiakou Zhangjiakou 075000 China
| | - He Lin
- School of Chemistry and Materials Science Ludong University Yantai 264025 China
| | - Yong Huang
- College of Lab Medicine Hebei North University Key Laboratory of Biomedical Materials of Zhangjiakou Zhangjiakou 075000 China
- School of Medicine University of Electronic Science and Technology of China Chengdu 610054 China
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3
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Zan R, Shen S, Huang Y, Yu H, Liu Y, Yang S, Zheng B, Gong Z, Wang W, Zhang X, Suo T, Liu H. Research hotspots and trends of biodegradable magnesium and its alloys. SMART MATERIALS IN MEDICINE 2023; 4:468-479. [DOI: 10.1016/j.smaim.2023.01.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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4
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Asaduzzaman Chowdhury M, Helal Hossain MD, Hossain N, Hossen Z, Arefin Kowser M, Masud Rana M. Advances in coatings on Mg alloys and their anti-microbial activity for implant applications. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022] Open
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5
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Vujović S, Desnica J, Stanišić D, Ognjanović I, Stevanovic M, Rosic G. Applications of Biodegradable Magnesium-Based Materials in Reconstructive Oral and Maxillofacial Surgery: A Review. Molecules 2022; 27:molecules27175529. [PMID: 36080296 PMCID: PMC9457564 DOI: 10.3390/molecules27175529] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/19/2022] [Accepted: 08/25/2022] [Indexed: 11/17/2022] Open
Abstract
Reconstruction of defects in the maxillofacial region following traumatic injuries, craniofacial deformities, defects from tumor removal, or infections in the maxillofacial area represents a major challenge for surgeons. Various materials have been studied for the reconstruction of defects in the maxillofacial area. Biodegradable metals have been widely researched due to their excellent biological properties. Magnesium (Mg) and Mg-based materials have been extensively studied for tissue regeneration procedures due to biodegradability, mechanical characteristics, osteogenic capacity, biocompatibility, and antibacterial properties. The aim of this review was to analyze and discuss the applications of Mg and Mg-based materials in reconstructive oral and maxillofacial surgery in the fields of guided bone regeneration, dental implantology, fixation of facial bone fractures and soft tissue regeneration.
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Affiliation(s)
- Sanja Vujović
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
| | - Jana Desnica
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
| | - Dragana Stanišić
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
| | - Irena Ognjanović
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
| | - Momir Stevanovic
- Department of Dentistry, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
- Correspondence: (M.S.); (G.R.); Tel.: +381-641-327752 (M.S.); +381-633-92812 (G.R.)
| | - Gvozden Rosic
- Department of Physiology, Faculty of Medical Sciences, University of Kragujevac, Svetozara Markovića 69, 34000 Kragujevac, Serbia
- Correspondence: (M.S.); (G.R.); Tel.: +381-641-327752 (M.S.); +381-633-92812 (G.R.)
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Feasibility and Efficacy of a Degradable Magnesium-Alloy GBR Membrane for Bone Augmentation in a Distal Bone-Defect Model in Beagle Dogs. Bioinorg Chem Appl 2022; 2022:4941635. [PMID: 35371192 PMCID: PMC8967573 DOI: 10.1155/2022/4941635] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 03/05/2022] [Indexed: 01/29/2023] Open
Abstract
We explored the feasibility and efficacy of a degradable magnesium (Mg) alloy guided bone regeneration (GBR) in the treatment of bone defects after tooth extraction. A GBR membrane (MAR-Gide (MG)) was used to treat a mandibular second molar (M2M)-distal bone defect (DBD). In eight beagle dogs, bilateral mandibular second and fourth premolars were hemi-sected. The distal roots were removed to create a two-wall bony defect of dimension 5 mm × 5 mm × 5 mm to simulate M2M-DBD. Thirty-two bone defects were assigned randomly into four groups according to GBR membranes (MG and Bio-Gide (BG)) applied and the time of killing (3 months and 6 months after surgery). The osteogenesis of bone defects and MG degradation were analyzed using micro-CT, histology (staining, tartrate-resistant acid phosphatase), and inductively coupled plasma mass spectrometry. MG did not increase the prevalence of infection, wound dehiscence, or subcutaneous emphysema compared with those using BG. Trabecular volume/total volume at 3 months (63.71 ± 10.4% vs. 59.97 ± 8.94%) was significantly higher in the group MG than that in the group BG. Implanted MG was degraded completely within 3 months, and "island-shaped" new bone was found near MG degradation products. A significant difference was not found in vertical bone height or percent of new bone formation (45.44 ± 12.28% vs. 43.49 ± 7.12%) between the groups. The concentration of rare-earth elements in mandibular lymph nodes of the group MG was significantly higher than that of the group BG (P ≤ 0.017) but did not lead to histopathological changes. In summary, MG exhibited good biocompatibility and clinical applicability compared with BG in vivo. The osteogenic effect of MG could be enhanced by regulating the degradation rate of Mg-alloy.
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Hou P, Sun Y, Yang W, Wu H, Sun L, Xiu X, Xiu C, Zhang X, Zhang W. Magnesium promotes osteogenesis via increasing OPN expression and activating CaM/CaMKIV/CREB1 pathway. J Biomed Mater Res B Appl Biomater 2022; 110:1594-1603. [PMID: 35106922 DOI: 10.1002/jbm.b.35020] [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: 11/04/2021] [Revised: 01/05/2022] [Accepted: 01/18/2022] [Indexed: 11/11/2022]
Abstract
Magnesium (Mg) based alloy has been used as a biodegradable implant for fracture repair with considerable efficacy, and it has been proved that magnesium ion (Mg2+ ), one of the degradation products, could stimulate osteogenesis. Here, we investigated the osteogenesis property of magnesium both in vitro and in vivo, and to identify the cellular and molecular mechanisms that mediate these effects. Results showed that magnesium exerts a dose-dependent increase in the proliferation of MC3T3 and MG63 cells, and in the expression of osteopontin (OPN), a promising biomarker of osteogenesis. Subsequently, the protein-protein interaction (PPI) network analysis showed the interactions between calmodulin (CaM) and calmodulin-dependent protein kinase (CaMK) and CREB1. The ratio of p-CaMKIV/CaMKIV and p-CREB1/CREB were increased at protein level in MC3T3 and MG63 cells after treatment with Mg2+ . Dual-luciferase reporter gene assay showed that p-CREB1 could directly bind to OPN promoter and up-regulate the transcription of OPN after nuclear entry. Meanwhile, the expression of OPN and p-CREB1, which increased after Mg2+ treatment, was down-regulated by sh-CaMKIV or sh-CREB1. Moreover, the mineralized deposit and expression of OPN were reduced after treatment with an inhibitor of CaMKIV, KN93. In addition, massive cavities in the cortical bone around the Mg screw were showed in vivo after injection of KN93. These data indicated that the osteogenic effect of Mg is related to the activation OPN through CaM/CaMKIV/CREB1 signaling pathway.
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Affiliation(s)
- Peng Hou
- Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Yu Sun
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Weichao Yang
- Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hongliu Wu
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Luyuan Sun
- Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xinjie Xiu
- College of Food Science and Engineering of Qingdao Agricultural University, Qingdao, China
| | - Chaoyang Xiu
- College of Food Science and Engineering of Qingdao Agricultural University, Qingdao, China
| | - Xiaonong Zhang
- State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
| | - Wen Zhang
- Orthopaedic Department, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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8
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In vitro degradation, photo-dynamic and thermal antibacterial activities of Cu-bearing chlorophyllin-induced Ca–P coating on magnesium alloy AZ31. Bioact Mater 2022; 18:284-299. [PMID: 35387161 PMCID: PMC8961461 DOI: 10.1016/j.bioactmat.2022.01.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/15/2022] [Accepted: 01/29/2022] [Indexed: 12/20/2022] Open
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9
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Anisimova N, Kiselevskiy M, Martynenko N, Willumeit-Römer R, Kornyushenkov E, Rodionov M, Dobatkin S, Estrin Y. Anti-tumour activity of Mg-6%Ag and Mg-10%Gd alloys in mice with inoculated melanoma. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 130:112464. [PMID: 34702539 DOI: 10.1016/j.msec.2021.112464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 09/04/2021] [Accepted: 09/24/2021] [Indexed: 10/20/2022]
Abstract
Cytotoxicity in vitro and anti-tumour activity in vivo of magnesium alloys Mg-6%Ag and Mg-10%Gd was studied. It was shown that specifically designed and thermomechanically processed Mg alloys produced a sizeable cytotoxic effect on PC-3 line tumour cells in vitro through inhibition of their proliferation. A pronounced grain refinement in combination with the formation of second phases and precipitates attained by means of equal-channel angular pressing (ECAP) accellerated the degradation and gave rise to enhanced anti-tumour activity of both alloys. The gadolinium-containing alloy outperformed the silver-containing one substantially. In an in vivo assay, intratumoural implantation of pins made from both alloys in the homogenised and the ECAP states in mice with inoculated B16 melanoma gave rise to an indubitable anti-tumour effect. It was documented in a decrease of Ki-67(+) cells and the occurrence of regions of destruction of tumoural tissue that were filled with gas evolving in the course of biodegradation of the implants. The data obtained suggest that intratumoural implantation of gadolinium-containing magnesium alloys can be considered for therapy of inoperable or chemoresistant forms of cancer.
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Affiliation(s)
- Natalia Anisimova
- N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of the Russian Federation (N.N. Blokhin NMRCO), Moscow, Russia; National University of Science and Technology "MISIS", Moscow, Russia
| | - Mikhail Kiselevskiy
- N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of the Russian Federation (N.N. Blokhin NMRCO), Moscow, Russia; National University of Science and Technology "MISIS", Moscow, Russia
| | - Natalia Martynenko
- A.A. Baikov Institute of Metallurgy and Materials Science of the RAS, Moscow, Russia.
| | - Regine Willumeit-Römer
- Institute of Metallic Biomaterials, Helmholtz-Zentrum Geesthacht (HZG), Geesthacht, Germany
| | - Evgeniy Kornyushenkov
- N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of the Russian Federation (N.N. Blokhin NMRCO), Moscow, Russia
| | - Maxim Rodionov
- N.N. Blokhin National Medical Research Center of Oncology of the Ministry of Health of the Russian Federation (N.N. Blokhin NMRCO), Moscow, Russia
| | - Sergey Dobatkin
- National University of Science and Technology "MISIS", Moscow, Russia; A.A. Baikov Institute of Metallurgy and Materials Science of the RAS, Moscow, Russia
| | - Yuri Estrin
- Department of Materials Science and Engineering, Monash University, Clayton, Australia; Department of Mechanical Engineering, The University of Western Australia, Nedlands, Australia
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10
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Cao Z, Li L, Yang L, Yao L, Wang H, Yu X, Shen X, Yao L, Wu G. Osteoinduction Evaluation of Fluorinated Hydroxyapatite and Tantalum Composite Coatings on Magnesium Alloys. Front Chem 2021; 9:727356. [PMID: 34557474 PMCID: PMC8453011 DOI: 10.3389/fchem.2021.727356] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 08/04/2021] [Indexed: 11/13/2022] Open
Abstract
Magnesium (Mg) alloys have a wide range of biomaterial applications, but their lack of biocompatibility and osteoinduction property impedes osteointegration. In order to enhance the bioactivity of Mg alloy, a composite coating of fluorinated hydroxyapatite (FHA) and tantalum (Ta) was first developed on the surface of the alloy through thermal synthesis and magnetron sputtering technologies in this study. The samples were characterized by scanning electron microscopy (SEM), atomic force microscopy (AFM), energy dispersive spectroscopy (EDS) mapping, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and water contact angle measurement (WCA), which characterized the surface alternation and confirmed the deposition of the target FHA/Ta coating. The results of cell morphology showed that the MC3T3-E1 cells on the surface of Mg/FHA/Ta samples had the largest spreading area and lamellipodia. Moreover, the FHA coating endowed the surface with superior cell viability and osteogenic properties, while Ta coating played a more important role in osteogenic differentiation. Therefore, the combination of FHA and Ta coatings could synergistically promote biological functions, thus providing a novel strategy for implant design.
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Affiliation(s)
- Zheng Cao
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Li Li
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Amsterdam Movement Science (AMS), Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands.,Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands
| | - Linjun Yang
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - LiLi Yao
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Haiyan Wang
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Amsterdam Movement Science (AMS), Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands
| | - Xiaoyang Yu
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Xinkun Shen
- School and Hospital of Stomatology, Wenzhou Medical University, Wenzhou, China
| | - Litao Yao
- Department of Dentistry, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, China.,Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Amsterdam Movement Science (AMS), Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands.,Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands
| | - Gang Wu
- Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Center for Dentistry Amsterdam (ACTA), Amsterdam Movement Science (AMS), Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands.,Department of Oral Implantology and Prosthetic Dentistry, Academic Centre for Dentistry Amsterdam (ACTA), University of Amsterdam (UvA) and Vrije Universiteit Amsterdam (VU), Amsterdam, Netherlands
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11
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Wang D, Tan J, Zhu H, Mei Y, Liu X. Biomedical Implants with Charge-Transfer Monitoring and Regulating Abilities. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2004393. [PMID: 34166584 PMCID: PMC8373130 DOI: 10.1002/advs.202004393] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 05/12/2021] [Indexed: 05/06/2023]
Abstract
Transmembrane charge (ion/electron) transfer is essential for maintaining cellular homeostasis and is involved in many biological processes, from protein synthesis to embryonic development in organisms. Designing implant devices that can detect or regulate cellular transmembrane charge transfer is expected to sense and modulate the behaviors of host cells and tissues. Thus, charge transfer can be regarded as a bridge connecting living systems and human-made implantable devices. This review describes the mode and mechanism of charge transfer between organisms and nonliving materials, and summarizes the strategies to endow implants with charge-transfer regulating or monitoring abilities. Furthermore, three major charge-transfer controlling systems, including wired, self-activated, and stimuli-responsive biomedical implants, as well as the design principles and pivotal materials are systematically elaborated. The clinical challenges and the prospects for future development of these implant devices are also discussed.
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Affiliation(s)
- Donghui Wang
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institutes of CeramicsChinese Academy of SciencesShanghai200050China
- School of Materials Science and EngineeringHebei University of TechnologyTianjin300130China
| | - Ji Tan
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institutes of CeramicsChinese Academy of SciencesShanghai200050China
| | - Hongqin Zhu
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institutes of CeramicsChinese Academy of SciencesShanghai200050China
- Department of Materials ScienceFudan UniversityShanghai200433China
| | - Yongfeng Mei
- Department of Materials ScienceFudan UniversityShanghai200433China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institutes of CeramicsChinese Academy of SciencesShanghai200050China
- School of Chemistry and Materials ScienceHangzhou Institute for Advanced StudyUniversity of Chinese Academy of SciencesHangzhou310024China
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12
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Wang SH, Lee SP, Yang CW, Lo CM. Surface Modification of Biodegradable Mg-Based Scaffolds for Human Mesenchymal Stem Cell Proliferation and Osteogenic Differentiation. MATERIALS 2021; 14:ma14020441. [PMID: 33477485 PMCID: PMC7831072 DOI: 10.3390/ma14020441] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Revised: 01/07/2021] [Accepted: 01/14/2021] [Indexed: 12/11/2022]
Abstract
Magnesium alloys with coatings have the potential to be used for bone substitute alternatives since their mechanical properties are close to those of human bone. However, the surface modification of magnesium alloys to increase the surface biocompatibility and reduce the degradation rate remains a challenge. Here, FHA-Mg scaffolds were made of magnesium alloys and coated with fluorohydroxyapatite (FHA). Human mesenchymal stem cells (hMSCs) were cultured on FHA-Mg scaffolds and cell viability, proliferation, and osteogenic differentiation were investigated. The results showed that FHA-Mg scaffolds display a nano-scaled needle-like structure of aggregated crystallites on their surface. The average Mg2+ concentration in the conditioned media collected from FHA-Mg scaffolds (5.8–7.6 mM) is much lower than those collected from uncoated, Mg(OH)2-coated, and hydroxyapatite (HA)-coated samples (32.1, 17.7, and 21.1 mM, respectively). In addition, compared with hMSCs cultured on a culture dish, cells cultured on FHA-Mg scaffolds demonstrated better proliferation and comparable osteogenic differentiation. To eliminate the effect of osteogenic induction medium, hMSCs were cultured on FHA-Mg scaffolds in culture medium and an approximate 66% increase in osteogenic differentiation was observed three weeks later, indicating a significant effect of the nanostructured surface of FHA-Mg scaffolds on hMSC behaviors. With controllable Mg2+ release and favorable mechanical properties, porous FHA-Mg scaffolds have a great potential in cell-based bone regeneration.
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Affiliation(s)
- Si-Han Wang
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan;
| | - Shiao-Pieng Lee
- Division of Oral and Maxillofacial Surgery, Department of Dentistry, School of Dentistry, Tri-Service General Hospital, National Defense Medical Center, Taipei 11490, Taiwan;
| | - Chung-Wei Yang
- Department of Materials Science and Engineering, National Formosa University, Yunlin 632, Taiwan
- Correspondence: (C.-W.Y.); (C.-M.L.); Tel.: +886-5-6315478 (C.-W.Y.); +886-2-28267018 (C.-M.L.)
| | - Chun-Min Lo
- Department of Biomedical Engineering, National Yang-Ming University, Taipei 11221, Taiwan;
- Correspondence: (C.-W.Y.); (C.-M.L.); Tel.: +886-5-6315478 (C.-W.Y.); +886-2-28267018 (C.-M.L.)
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13
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Xu H, Cai Y, Chu X, Chu H, Li J, Zhang D. A mussel-bioinspired multi-functional hyperbranched polymeric coating with integrated antibacterial and antifouling activities for implant interface modification. Polym Chem 2021. [DOI: 10.1039/d1py00246e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
On the basis of a function integrating strategy, a mussel-inspired hyperbranched polymeric coating with antibacterial and antifouling properties was ingeniously designed and synthesized for the interface modification of implants.
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Affiliation(s)
- Huilin Xu
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
| | - Yusong Cai
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
| | - Xing Chu
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
| | - Hetao Chu
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
| | - Jianshu Li
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
- State Key Laboratory of Polymer Materials Engineering
| | - Dongyue Zhang
- College of Polymer Science and Engineering
- Sichuan University
- Chengdu
- China
- State Key Laboratory of Polymer Materials Engineering
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Guo Y, Jia S, Qiao L, Su Y, Gu R, Li G, Lian J. A multifunctional polypyrrole/zinc oxide composite coating on biodegradable magnesium alloys for orthopedic implants. Colloids Surf B Biointerfaces 2020; 194:111186. [DOI: 10.1016/j.colsurfb.2020.111186] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2019] [Revised: 05/25/2020] [Accepted: 06/05/2020] [Indexed: 12/12/2022]
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15
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Oleshko O, Liubchak I, Husak Y, Korniienko V, Yusupova A, Oleshko T, Banasiuk R, Szkodo M, Matros-Taranets I, Kazek-Kęsik A, Simka W, Pogorielov M. In Vitro Biological Characterization of Silver-Doped Anodic Oxide Coating on Titanium. MATERIALS 2020; 13:ma13194359. [PMID: 33008012 PMCID: PMC7578992 DOI: 10.3390/ma13194359] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/24/2020] [Accepted: 09/27/2020] [Indexed: 12/13/2022]
Abstract
Despite the high biocompatibility and clinical effectiveness of Ti-based implants, surface functionalization (with complex osteointegrative/antibacterial strategies) is still required. To enhance the dental implant surface and to provide additional osteoinductive and antibacterial properties, plasma electrolytic oxidation of a pure Ti was performed using a nitrilotriacetic acid (NTA)-based Ag nanoparticles (AgNP)-loaded calcium–phosphate solution. Chemical and structural properties of the surface-modified titanium were assessed using scanning electron microscopy (SEM) with energy dispersive X-ray (EDX) and contact angle measurement. A bacterial adhesion test and cell culture biocompatibility with collagen production were performed to evaluate biological effectiveness of the Ti after the plasma electrolytic process. The NTA-based calcium–phosphate solution with Ag nanoparticles (AgNPs) can provide formation of a thick, porous plasma electrolytic oxidation (PEO) layer enriched in silver oxide. Voltage elevation leads to increased porosity and a hydrophilic nature of the newly formed ceramic coating. The silver-enriched PEO layer exhibits an effective antibacterial effect with high biocompatibility and increased collagen production that could be an effective complex strategy for dental and orthopedic implant development.
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Affiliation(s)
- Oleksandr Oleshko
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Iryna Liubchak
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Yevheniia Husak
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Viktoriia Korniienko
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Aziza Yusupova
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Tetiana Oleshko
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
| | - Rafal Banasiuk
- NanoWave, 02-676 Warsaw, Poland;
- Institute of Biotechnology and Molecular Medicine, 80-172 Gdańsk, Poland
| | - Marek Szkodo
- Mechanical Faculty, Gdańsk University of Technology, 80-233 Gdańsk, Poland;
| | - Igor Matros-Taranets
- Dnipro Medical Institute of Traditional and Nontraditional Medicine, 49005 Dnipro, Ukraine;
| | - Alicja Kazek-Kęsik
- Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland
- Correspondence: (A.K.-K.); (W.S.); (M.P.); Tel.: +48-32-237-2605 (W.S.)
| | - Wojciech Simka
- Faculty of Chemistry, Silesian University of Technology, 44-100 Gliwice, Poland
- NanoPrime, 39-200 Dębica, Poland
- Correspondence: (A.K.-K.); (W.S.); (M.P.); Tel.: +48-32-237-2605 (W.S.)
| | - Maksym Pogorielov
- Biomedical Research Centre, Sumy State University, 40018 Sumy, Ukraine; (O.O.); (I.L.); (Y.H.); (V.K.); (A.Y.); (T.O.)
- NanoPrime, 39-200 Dębica, Poland
- Correspondence: (A.K.-K.); (W.S.); (M.P.); Tel.: +48-32-237-2605 (W.S.)
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16
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Advances in Antibacterial Functionalized Coatings on Mg and Its Alloys for Medical Use—A Review. COATINGS 2020. [DOI: 10.3390/coatings10090828] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
As a revolutionary implant material, magnesium and its alloys have many exciting performances, such as biodegradability, mechanical compatibility, and excellent biosecurity. However, the rapid and uncontrollable degradation rate of magnesium greatly hampers its clinical use. Many efforts have been taken to enhance the corrosion resistance of magnesium. However, it must be noted that improving the corrosion resistance of magnesium will lead to the compromise of its antibacterial abilities, which are attribute and proportional to the alkaline pH during its degradation. Providing antibacterial functionalized coating is one of the best methods for balancing the degradation rate and the antibacterial ability of magnesium. Antibacterial functionalized magnesium is especially well-suited for patients with diabetes and infected wounds. Considering the extremely complex biological environment in the human body and the demands of enhancing corrosion resistance, biocompatibility, osteogenesis, and antibacterial ability, composite coatings with combined properties of different materials may be promising. The aim of this review isto collect and compare recent studies on antibacterial functionalized coatings on magnesium and its alloys. The clinical applications of antibacterial functionalized coatings and their material characteristics, antibacterial abilities, in vitro cytocompatibility, and corrosion resistance are also discussed in detail.
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Wang G, Jiang W, Mo S, Xie L, Liao Q, Hu L, Ruan Q, Tang K, Mehrjou B, Liu M, Tong L, Wang H, Zhuang J, Wu G, Chu PK. Nonleaching Antibacterial Concept Demonstrated by In Situ Construction of 2D Nanoflakes on Magnesium. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1902089. [PMID: 31921567 PMCID: PMC6947590 DOI: 10.1002/advs.201902089] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Indexed: 05/19/2023]
Abstract
In bone implants, antibacterial biomaterials with nonleaching surfaces are superior to ones based on abrupt release because systemic side effects arising from the latter can be avoided. In this work, a nonleaching antibacterial concept is demonstrated by fabricating 2D nanoflakes in situ on magnesium (Mg). Different from the conventional antibacterial mechanisms that depend on Mg2+ release and pH increase, the nanoflakes exert mechanical tension onto the bacteria membranes to destroy microorganisms on contact and produce intracellular stress via physical interactions, which is also revealed by computational simulations. Moreover, the nanoflake layer decelerates the corrosion process resulting in mitigated Mg2+ release, weaker alkalinity in the vicinity, and less hydrogen evolution, in turn inducing less inflammatory reactions and ensuring the biocompatibility as confirmed by the in vivo study. In this way, bacteria are killed by a mechanical process causing very little side effects. This work provides information and insights pertaining to the design of multifunctional biomaterials.
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Affiliation(s)
- Guomin Wang
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
| | - Wenjuan Jiang
- College of PharmacyWestern University of Health Sciences309 E. Second StPomonaCA91766USA
| | - Shi Mo
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
| | - Lingxia Xie
- Research Center for Biomedical Materials and InterfacesShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Qing Liao
- Research Center for Biomedical Materials and InterfacesShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Liangsheng Hu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong ProvinceShantou UniversityGuangdong515063P. R. China
| | - Qingdong Ruan
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
| | - Kaiwei Tang
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
| | - Babak Mehrjou
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
| | - Mengting Liu
- USC Stevens Neuroimaging and Informatics InstituteKeck School of Medicine of USCUniversity of Southern CaliforniaLos AngelesCA90033USA
| | - Liping Tong
- Research Center for Biomedical Materials and InterfacesShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Huaiyu Wang
- Research Center for Biomedical Materials and InterfacesShenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen518055P. R. China
| | - Jie Zhuang
- Suzhou Institute of Biomedical Engineering and TechnologyChinese Academy of SciencesSuzhou215163P. R. China
| | - Guosong Wu
- College of Mechanics and MaterialsHohai UniversityNanjing211100P. R. China
| | - Paul K. Chu
- Department of PhysicsDepartment of Materials Science and Engineeringand Department of Biomedical EngineeringCity University of Hong KongTat Chee AvenueKowloonHong KongChina
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Xu H, Hu T, Wang M, Zheng Y, Qin H, Cao H, An Z. Degradability and biocompatibility of magnesium-MAO: The consistency and contradiction between in-vitro and in-vivo outcomes. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2018.07.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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19
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Corrosion resistance and antibacterial activity of zinc-loaded montmorillonite coatings on biodegradable magnesium alloy AZ31. Acta Biomater 2019; 98:196-214. [PMID: 31154057 DOI: 10.1016/j.actbio.2019.05.069] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 05/21/2019] [Accepted: 05/28/2019] [Indexed: 12/28/2022]
Abstract
A Zinc-loaded montmorillonite (Zn-MMT) coating was hydrothermally prepared using Zn2+ ion intercalated sodium montmorillonite (Na-MMT) upon magnesium (Mg) alloy AZ31 as bone repairing materials. Biodegradation rate of the Mg-based materials was studied via potentiodynamic polarization curves, electrochemical impedance spectroscopy (EIS) and hydrogen evolution tests. Results revealed that both Na-MMT and Zn-MMT coatings exhibited better corrosion resistance in Dulbecco's modified eagle medium (DMEM) + 10% calf serum (CS) than bare Mg alloy AZ31 counterparts. Hemolysis results demonstrated that hemocompatibility of the Na-MMT and Zn-MMT coatings were 5%, and lower than that of uncoated Mg alloy AZ31 pieces. In vitro MTT tests and live-dead stain of osteoblast cells (MC3T3-E1) indicated a significant improvement in cytocompatibility of both Na-MMT and Zn-MMT coatings. Antibacterial properties of two representative bacterial strains associated with device-related infection, i.e. Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus), were employed to explore the antibacterial behavior of the coatings. The measured inhibitory zone and bacterial growth rate confirmed that Zn-MMT coatings exhibited higher suppression toward both E. coli and S. aureus than that of Na-MMT coatings. The investigation on antibacterial mechanism through scanning electron microscopy (SEM) and lactate dehydrogenase (LDH) release assay manifested that Zn-MMT coating led to severe breakage of bacterial membrane of E. coli and S. aureus, which resulted in a release of cytoplasmic materials from the bacterial cells. In addition, the good inhibition of Zn-MMT coatings against E. coli and S. aureus might be attributed to the slow but sustainable release of Zn2+ ions (up to 144 h) from the coatings into the culture media. This study provides a novel coating strategy for manufacturing biodegradable Mg alloys with good corrosion resistance, biocompatibility and antibacterial activity for future orthopedic applications. STATEMENT OF SIGNIFICANCE: The significance of the current work is to develop a corrosion-resistant and antibacterial Zn-MMT coating on magnesium alloy AZ31 through a hydrothermal method. The Zn-MMT coating on magnesium alloy AZ31 shows better corrosion resistance, biocompatibility and excellent antibacterial ability than magnesium alloy AZ31. This study provides a novel coating on Mg alloys for future orthopedic applications.
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20
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Wang Y, Li X, Chen M, Zhao Y, You C, Li Y, Chen G. In Vitro and in Vivo Degradation Behavior and Biocompatibility Evaluation of Microarc Oxidation-Fluoridated Hydroxyapatite-Coated Mg-Zn-Zr-Sr Alloy for Bone Application. ACS Biomater Sci Eng 2019; 5:2858-2876. [PMID: 33405590 DOI: 10.1021/acsbiomaterials.9b00564] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Magnesium and its alloys are biodegradable materials with great potential for biomedical development; however, their high rate of degradation in biological environments limits the widespread application of these materials. In order to improve the corrosion resistance of magnesium alloy, a functional calcium phosphate coating was prepared on Mg-3Zn-0.5Zr-0.5Sr alloy by microarc oxidation (MAO) combined with chemical deposition of fluoridated hydroxyapatite (FHA). A dense calcium-phosphorus coating 6 μm thick composed of needle-shaped fluoridated hydroxyapatite formed on the surface of the MAO layer. The MAO-FHA coating exhibited good mineralization ability to induce hydroxyapatite deposition on its surface during degradation testing in simulated bodily fluids.
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Affiliation(s)
- Yansong Wang
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Xiao Li
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Minfang Chen
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Yun Zhao
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Chen You
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.,Key Laboratory of Display Materials and Photoelectric Device (Ministry of Education), Tianjin 300384, China
| | - Yankun Li
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Guorui Chen
- School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
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21
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Qiao H, Song G, Huang Y, Yang H, Han S, Zhang X, Wang Z, Ma J, Bu X, Fu L. Si, Sr, Ag co-doped hydroxyapatite/TiO 2 coating: enhancement of its antibacterial activity and osteoinductivity. RSC Adv 2019; 9:13348-13364. [PMID: 35519590 PMCID: PMC9063874 DOI: 10.1039/c9ra01168d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 04/15/2019] [Indexed: 11/21/2022] Open
Abstract
A multifaceted coating with favourable cytocompatibility, osteogenic activity and antibacterial properties would be of great significance and value due to its capability for improving osseointegration and alleviating prosthesis loosening. This study marks the first report on the coating of TiO2 nanotubular (TNT) arrays with Sr-and-Si-substituted hydroxyapatite (SSHA) endowed with antibacterial characteristics using silver ions. This TNT layer coated with Ag-substituted SSHA (SSAgHA) formed a composite coating with an interconnected microporous structure and a homogeneous distribution of Sr, Si and Ag; such a coating promoted cell adhesion and osteogenic potential. The anchoring effect of the TNT layer improved the adhesion strength of the SSAgHA/TNT coating to 16.9 ± 3.1 MPa, which was higher than the 15 MPa set in the ISO standard 13 779-4:2002. Moreover, the bio-corrosion resistance of the underlying Ti substrate was greatly enhanced by the composite coating. Hydroxyapatite (HA) and SSAgHA coatings provided a suitable environment for the adhesion, spreading and proliferation of mouse osteoblasts. The SSAgHA coating excellently inhibited bacterial activity and enhanced osteoinductivity with higher osteogenic differentiation compared with the HA coating. Sr and Si dopants increased the expression levels of the genes related to osteogenesis and successfully offset the potential cytotoxicity of Ag ions. Super-osteoinductivity was attributed to the rough and superhydrophilic surface of the composite coating. Therefore, the present study demonstrated the potential of the electrodeposited SSAgHA/TNT composite coating as a promising metallic implant with great intrinsic antibacterial activity and osteointegration ability.
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Affiliation(s)
- Haixia Qiao
- College of Lab Medicine, Hebei North University Zhangjiakou 075000 China +86 313 4029270
| | - Guiqin Song
- College of Lab Medicine, Hebei North University Zhangjiakou 075000 China +86 313 4029270
| | - Yong Huang
- College of Lab Medicine, Hebei North University Zhangjiakou 075000 China +86 313 4029270
| | - Hao Yang
- Key Laboratory for Green Chemical Process of Ministry of Education, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology Wuhan 430205 China
| | - Shuguang Han
- School of Life Science and Technology, University of Electronic Science and Technology of China Chengdu 610054 China
| | - Xuejiao Zhang
- College of Lab Medicine, Hebei North University Zhangjiakou 075000 China +86 313 4029270
| | - Zhenhui Wang
- No. 81st Group Military Hospital of PLA Army Zhangjiakou 075000 China
| | - Jing Ma
- No. 81st Group Military Hospital of PLA Army Zhangjiakou 075000 China
| | - Xiaopei Bu
- No. 81st Group Military Hospital of PLA Army Zhangjiakou 075000 China
| | - Li Fu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University Hangzhou 310018 China
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Development of a novel biodegradable and anti-bacterial polyurethane coating for biomedical magnesium rods. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 99:344-356. [PMID: 30889708 DOI: 10.1016/j.msec.2019.01.119] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 01/07/2019] [Accepted: 01/25/2019] [Indexed: 12/25/2022]
Abstract
Surface modification of biomedical Mg with functional polymers coatings is an effective and simple strategy to improve the corrosion resistance and anti-bacterial property. Herein, we develop a novel biodegradable and anti-bacterial polymer coating for Mg rods. A key feature of our approach is to treat the Mg rods with polyurethane, a widely used coating material with strong structural controllability and good film-formation property. Polyurethanes (PU) functionalized by polyethylene glycol (PEG) chains (GPU) and zwitterions (ZPU) were firstly synthesized and subsequently applied to fabricate coatings on Mg-based rods. Scanning electron microscopy (SEM) result demonstrates that a homogeneous and dense layer with a thickness of ~4-15 μm is readily formed on the substrates by dip-coating method. We first investigated how PU coatings would affect their resulting corrosion behaviors by the electrochemical corrosion test, surface morphology examining and element analysis of the immersed samples. Then, we evaluated their protection capabilities and the relationship to Mg2+ ion release and pH value alteration under the physiological conditions. Results show that the corrosion resistance of Mg rods is improved appreciably after coating with the synthesized PU polymers. More importantly, the functionalized PU exhibit enhanced antibacterial performance and excellent blood compatibility. In particular, ZPU-12 not only successfully improves the corrosion resistance of substrates, but also produces an antimicrobial coating for preventing bacterial attachment. The application of these functionalized PU coatings for the surface modification of biomedical Mg-based alloys can provide a practical and potential strategy to expedite their clinical acceptance.
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Rezk AI, Ramachandra Kurup Sasikala A, Nejad AG, Mousa HM, Oh YM, Park CH, Kim CS. Strategic design of a Mussel-inspired in situ reduced Ag/Au-Nanoparticle Coated Magnesium Alloy for enhanced viability, antibacterial property and decelerated corrosion rates for degradable implant Applications. Sci Rep 2019; 9:117. [PMID: 30644432 PMCID: PMC6333833 DOI: 10.1038/s41598-018-36545-3] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/09/2018] [Indexed: 11/08/2022] Open
Abstract
Magnesium (Mg) and its alloys have attracted much attention as a promising candidate for degradable implant applications however the rapid corrosion of magnesium inside the human body greatly limits its use as an implant material. Therefore, coating the alloy surface with a multifunctional film is a promising way to overcome the drawbacks. Here we propose for the first time a multifunction layer coating to enhance the cell viability, antibacterial property and decelerated corrosion rates to act as a novel material to be used for degradable implant Applications. For that, the magnesium alloy (AZ31) was first treated with hydrofluoric acid (HF) and then dopamine tris Hydrochloric acid (tris-HCL) solution. The reducing catechol groups in the polydopamine (PD) layer subsequently immobilize silver/gold ions in situ to form uniformly dispersed Ag/Au nanoparticles on the coating layer. The successful formation of Ag/Au nanoparticles on the HF-PD AZ31 alloy was confirmed using XPS and XRD, and the morphology of all the coated samples were investigated using SEM images. The alloy with HF-PDA exhibit enhanced cell attachment and proliferation. Moreover, the nanoparticle immobilized HF-PD alloy exhibited dramatic corrosion resistance enhancement with superior antibacterial properties and accountable biocompatibility. Thus the result suggest that HF-PD Ag/Au alloy has great potential in the application of degradable implant and the surface modification method is of great significance to determine its properties.
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Affiliation(s)
- Abdelrahman I Rezk
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
| | - Arathyram Ramachandra Kurup Sasikala
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
- Division of Mechanical Design Engineering, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
| | - Amin Ghavami Nejad
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
| | - Hamouda M Mousa
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
- Department of Engineering Materials and Mechanical Design, Faculty of Engineering, South Valley University, Qena, 83523, Egypt
| | - Young Min Oh
- Department of Neurosurgery, Chonbuk National University Medical School & Hospital, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea.
- Division of Mechanical Design Engineering, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea.
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering, Graduate School, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea.
- Division of Mechanical Design Engineering, Chonbuk National University, Jeonju, Jeonbuk, 561-756, Republic of Korea.
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He Y, Zhang Y, Shen X, Tao B, Liu J, Yuan Z, Cai K. The fabrication and in vitro properties of antibacterial polydopamine-LL-37-POPC coatings on micro-arc oxidized titanium. Colloids Surf B Biointerfaces 2018; 170:54-63. [DOI: 10.1016/j.colsurfb.2018.05.070] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Revised: 05/19/2018] [Accepted: 05/31/2018] [Indexed: 12/30/2022]
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25
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Advances and Challenges of Biodegradable Implant Materials with a Focus on Magnesium-Alloys and Bacterial Infections. METALS 2018. [DOI: 10.3390/met8070532] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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26
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Gayathri B, Muthukumarasamy N, Velauthapillai D, Santhosh S, asokan V. Magnesium incorporated hydroxyapatite nanoparticles: Preparation, characterization, antibacterial and larvicidal activity. ARAB J CHEM 2018. [DOI: 10.1016/j.arabjc.2016.05.010] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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27
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Huang Y, Song G, Chang X, Wang Z, Zhang X, Han S, Su Z, Yang H, Yang D, Zhang X. Nanostructured Ag +-substituted fluorhydroxyapatite-TiO 2 coatings for enhanced bactericidal effects and osteoinductivity of Ti for biomedical applications. Int J Nanomedicine 2018; 13:2665-2684. [PMID: 29760549 PMCID: PMC5937497 DOI: 10.2147/ijn.s162558] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Poor mechanical properties, undesirable fast dissolution rate, and lack of antibacterial activity limit the application of hydroxyapatite (HA) as an implant coating material. To overcome these limitations, a hybrid coating of Ag+-substituted fluorhydroxyapatite and titania nanotube (TNT) was prepared. Methods The incorporation of silver into the HA-TiO2 hybrid coating improves its antimicrobial properties. The addition of F as a second binary element increases the structural stability of the coating. The TNT/F-and-Ag-substituted HA (FAgHA) bilayer coating on the Ti substrate was confirmed by X-ray diffraction, scanning electron microscope, energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS). Results The results indicate that the FAgHA/TNT nanocomposite coating has a dense and uniform morphology with a nano-rod-like structure. The solubility measurement result shows that the substitution of F− ions into the AgHA structure has a positive effect on the dissolution resistance of HA. The adhesion strength of FAgHA/TNT has significantly increased because of the interlocking of the roughened surface with nano-rod-like particles that entered into the voids of the TiO2 nanotubes. Compared with that of the bare Ti, the corrosion current density of FAgHA/TNT-coated Ti substrate decreased from 3.71 to 0.18 μA, and its corrosion resistance increased by almost two orders of magnitude. Moreover, despite pure HA, the FAgHA killed all viable Staphylococcus aureus after 24 hours of incubation. Although the fabricated FAgHA/TNT coating is hydrophobic, it induced deposition of the typical spherical apatite when immersed in a simulated body fluid (SBF); the osteoblasts spread very well on the surface of the coating. In addition, in vitro cell culture tests demonstrated cell viability and alkaline phosphatase (ALP) similar to pure HA, which indicated good cytocompatibility. Interestingly, compared with bare Ti, FAgHA/TNT-coated Ti surface was innocent for cell vitality and even more beneficial for cell osteogenesis in vitro. Conclusion Enhancing the osseointegration and preventing infection in implants, the FAgHA/TNT-coated Ti makes implants more successful.
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Affiliation(s)
- Yong Huang
- College of Lab Medicine, Hebei North University, Zhangjiakou, China
| | - Guiqin Song
- College of Lab Medicine, Hebei North University, Zhangjiakou, China
| | - Xiaotong Chang
- College of Lab Medicine, Hebei North University, Zhangjiakou, China
| | - Zhenhui Wang
- Department of Nuclear Medicine, People's Liberation Army No 251 Hospital, Zhangjiakou, China
| | - Xuejiao Zhang
- College of Lab Medicine, Hebei North University, Zhangjiakou, China
| | - Shuguang Han
- Institute of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu, China
| | - Zhuobin Su
- The First Affiliated Hospital, Hebei North University, Zhangjiakou, China
| | - Hejie Yang
- State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an, China
| | - Dongdong Yang
- School of Physics and Optoelectronic Engineering, Ludong University, Yantai, China
| | - Xiaojun Zhang
- Department of Physics, Fourth Military Medical University, Xi'an, China
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Song Y, Jiang H, Wang B, Kong Y, Chen J. Silver-Incorporated Mussel-Inspired Polydopamine Coatings on Mesoporous Silica as an Efficient Nanocatalyst and Antimicrobial Agent. ACS APPLIED MATERIALS & INTERFACES 2018; 10:1792-1801. [PMID: 29303548 DOI: 10.1021/acsami.7b18136] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
To tackle severe environmental pollution, a search for materials by economical and eco-friendly preparations is demanding for public health. In this study, a novel in situ method to form silver nanoparticles under mild conditions was developed using biomimetic reducing agents of polydopamine coated on the rodlike mesoporous silica of SBA-15. The synthesized SBA-15/polydopamine (PDA)/Ag nanocomposites were characterized by a combination of physicochemical and electrochemical methods. 4-Nitrophenol (4-NP) and methylene blue (MB) were used as models for the evaluation of the prepared nanocatalysts of SBA-15/PDA/Ag in which the composite exhibited enhanced catalytic performance toward degrading 4-NP in solution and MB on the membrane, respectively. Additionally, compared with that of solid core-shell SiO2/PDA/Ag, tubular SBA-15/PDA/Ag showed the prolonged inhibitory effect on microbial growth as typified by Escherichia coli (60 h), Staphylococcus aureus (36 h), and Aspergillus fumigatus (60 h), which demonstrated efficient control of silver nanoparticles release from the mesopores. The constructed dual-functional SBA-15/PDA/Ag as the long-term antimicrobial agent and the catalyst of industrial products provides an integrated nanoplatform to deal with environmental concerns.
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Affiliation(s)
| | | | - Bangbang Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University , 210009 Nanjing, China
| | - Yan Kong
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University , 210009 Nanjing, China
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Wang B, Zhao L, Zhu W, Fang L, Ren F. Mussel-inspired nano-multilayered coating on magnesium alloys for enhanced corrosion resistance and antibacterial property. Colloids Surf B Biointerfaces 2017. [PMID: 28645044 DOI: 10.1016/j.colsurfb.2017.06.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Magnesium alloys are promising candidates for load-bearing orthopedic implants due to their biodegradability and mechanical resemblance to natural bone tissue. However, the high degradation rate and the risk of implant-associated infections pose grand challenges for their clinical applications. Herein, we developed a nano-multilayered coating strategy through polydopamine and chitosan assisted layer-by-layer assembly of osteoinductive carbonated apatite and antibacterial sliver nanoparticles on the surface of AZ31 magnesium alloys. The fabricated nano-multilayered coating can not only obviously enhance the corrosion resistance but also significantly increase the antibacterial activity and demonstrate better biocompatility of magnesium alloys.
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Affiliation(s)
- Bi Wang
- Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen, Guangdong 518055, China
| | - Liang Zhao
- Department of Polymer Science and Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Weiwei Zhu
- Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen, Guangdong 518055, China
| | - Liming Fang
- Department of Polymer Science and Engineering, School of Materials Science and Engineering, South China University of Technology, Guangzhou 510641, China
| | - Fuzeng Ren
- Department of Materials Science and Engineering, South University of Science and Technology of China, Shenzhen, Guangdong 518055, China.
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31
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Cao D, Xu Z, Chen Y, Ke Q, Zhang C, Guo Y. Ag-loaded MgSrFe-layered double hydroxide/chitosan composite scaffold with enhanced osteogenic and antibacterial property for bone engineering tissue. J Biomed Mater Res B Appl Biomater 2017; 106:863-873. [PMID: 28419693 DOI: 10.1002/jbm.b.33900] [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] [Received: 10/29/2016] [Revised: 02/24/2017] [Accepted: 03/28/2017] [Indexed: 12/20/2022]
Abstract
Bone tissue engineering scaffolds for the reconstruction of large bone defects should simultaneously promote osteogenic differentiation and avoid postoperative infection. Herein, we develop, for the first time, Ag-loaded MgSrFe-layered double hydroxide/chitosan (Ag-MgSrFe/CS) composite scaffold. This scaffold exhibits three-dimensional interconnected macroporous structure with a pore size of 100-300 μm. The layered double hydroxide nanoplates in the Ag-MgSrFe/CS show lateral sizes of 200-400 nm and thicknesses of ∼50 nm, and the Ag nanoparticles with particle sizes of ∼20 nm are uniformly dispersed on the scaffold surfaces. Human bone marrow-derived mesenchymal stem cells (hBMSCs) present good adhesion, spreading, and proliferation on the Ag-MgSrFe/CS composite scaffold, suggesting that the Ag and Sr elements in the composite scaffold have no toxicity to hBMSCs. When compared with MgFe/CS composite scaffold, the Ag-MgSrFe/CS composite scaffold has better osteogenic property. The released Sr2+ ions from the composite scaffold enhance the alkaline phosphatase activity of hBMSCs, promote the extracellular matrix mineralization, and increase the expression levels of osteogenic-related RUNX2 and BMP-2. Moreover, the Ag-MgSrFe/CS composite scaffold possesses good antibacterial property because the Ag nanoparticles in the composite scaffold effectively prevent biofilm formation against S. aureus. Hence, the Ag-MgSrFe/CS composite scaffold with excellent osteoinductivity and antibacterial property has a great potential for bone tissue engineering. © 2017 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater, 106B: 863-873, 2018.
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Affiliation(s)
- Dandan Cao
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Zhengliang Xu
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Yixuan Chen
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Qinfei Ke
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
| | - Changqing Zhang
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, 200233, China
| | - Yaping Guo
- The Education Ministry Key Lab of Resource Chemistry and Shanghai Key Laboratory of Rare Earth Functional Materials, Shanghai Normal University, Shanghai, 200234, China
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Sun J, Zhu Y, Meng L, Chen P, Shi T, Liu X, Zheng Y. Electrophoretic deposition of colloidal particles on Mg with cytocompatibility, antibacterial performance, and corrosion resistance. Acta Biomater 2016; 45:387-398. [PMID: 27615737 DOI: 10.1016/j.actbio.2016.09.007] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 09/02/2016] [Accepted: 09/06/2016] [Indexed: 01/06/2023]
Abstract
Magnesium (Mg) has recently received increasing attention due to its unique biological performance, including cytocompatibility, antibacterial and biodegradable properties. However, rapid corrosion in physiological environment and potential toxicity limits its clinical applications. To improve the corrosion resistance meanwhile not compromise other excellent performance, self-assembled colloidal particles were deposited onto magnesium surfaces in ethanol by a simple and effective electrophoretic deposition (EPD) method. The fabricated functional nanostructured coatings were investigated using Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) analyses, and scanning electron microscopy (SEM). The electrochemical test, pH value, and Mg ion concentration data show that the corrosion resistance of Mg samples is enhanced appreciably after surface treatment. In vitro cellular response and antibacterial capability of the modified Mg substrates are performed. Significantly increased cell adhesion and viability are observed from the coated Mg samples, and the amounts of adherent bacteria on the treated Mg surfaces diminish remarkably compared to the bare Mg. Furthermore, the bare and coated Mg samples were implanted in New Zealand white rabbits for 12 weeks to examine the in vivo long-term corrosion performance and in situ inflammation behavior. The experiment results confirmed that compared with bare Mg substrate the corrosion and foreign-body reactions of the coated Mg samples were suppressed. The above results suggested that our coatings, which effectively enhance the biocompatibility, antimicrobial properties, and corrosion resistance of Mg substrate, provide a simple and practical strategy to expedite clinical acceptance of biodegradableMg and its alloys. STATEMENT OF SIGNIFICANCE Biomedical Mg metals have been considered as promising biodegradable implants because of their intended functions, such as cytocompatibility, antibacterial, and biodegradable properties. However, rapid corrosion in physiological environment limits their clinical applications. Alloying and surface coatings have been used to reduce the degradation rate. But this would compromise other excellent performance of Mg samples, including antibacterial and anti-inflammatory activity. Thus, while the rapid degradation of Mg samples must be solved, good antibacterial property and acceptable cytocompatibility are also necessary. In this study, polymer-based coatings were fabricated on Mg surfaces by electrophoretic deposition of poly(isobornyl acrylate-co-dimethylaminoethyl methacrylate)/tannic acid (P(ISA-co-DMA)/TA) colloidal particles. It suggested that the coating materials effectively improved the biocompatibility, antimicrobial behavior, and corrosion resistance of biomedical Mg.
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Affiliation(s)
- Jiadi Sun
- Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Ye Zhu
- Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China.
| | - Long Meng
- Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Peng Chen
- Department of Orthopedics, Nanjing Medical University Affiliated Wuxi Second Hospital, Wuxi, Jiangsu 214002, People's Republic of China
| | - Tiantian Shi
- Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China
| | - Xiaoya Liu
- Key Laboratory of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, People's Republic of China.
| | - Yufeng Zheng
- State Key Laboratory for Turbulence and Complex System and Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, People's Republic of China
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Alhilou A, Do T, Mizban L, Clarkson BH, Wood DJ, Katsikogianni MG. Physicochemical and Antibacterial Characterization of a Novel Fluorapatite Coating. ACS OMEGA 2016; 1:264-276. [PMID: 27656690 PMCID: PMC5026462 DOI: 10.1021/acsomega.6b00080] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/16/2016] [Accepted: 08/01/2016] [Indexed: 06/06/2023]
Abstract
Peri-implantitis remains the major impediment to the long-term use of dental implants. With increasing concern over the growth in antibiotic resistance, there is considerable interest in the preparation of antimicrobial dental implant coatings that also induce osseointegration. One such potential coating material is fluorapatite (FA). The aim of this study was to relate the antibacterial effectiveness of FA coatings against pathogens implicated in peri-implantitis to the physicochemical properties of the coating. Ordered and disordered FA coatings were produced on the under and upper surfaces of stainless steel (SS) discs, respectively, using a hydrothermal method. Surface charge, surface roughness, wettability, and fluoride release were measured for each coating. Surface chemistry was assessed using X-ray photoelectron spectroscopy and FA crystallinity using X-ray diffraction. Antibacterial activity against periodontopathogens was assessed in vitro using viable counts, confocal microscopy, and scanning electron microscopy (SEM). SEM showed that the hydrothermal method produced FA coatings that were predominately aligned perpendicular to the SS substrate or disordered FA coatings consisting of randomly aligned rodlike crystals. Both FA coatings significantly reduced the growth of all examined bacterial strains in comparison to the control. The FA coatings, especially the disordered ones, presented significantly lower charge, greater roughness, and higher area when compared to the control, enhancing bacteria-material interactions and therefore bacterial deactivation by fluoride ions. The ordered FA layer reduced not only bacterial viability but adhesion too. The ordered FA crystals produced as a potential novel implant coating showed significant antibacterial activity against bacteria implicated in peri-implantitis, which could be explained by a detailed understanding of their physicochemical properties.
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Affiliation(s)
- Ahmed Alhilou
- Biomaterials
and Tissue Engineering Research Group and Microbiology and Cell Biology Research
Group, School of Dentistry, University of
Leeds, Clarendon Way, Leeds LS2 9LU, West Yorkshire, U.K.
| | - Thuy Do
- Biomaterials
and Tissue Engineering Research Group and Microbiology and Cell Biology Research
Group, School of Dentistry, University of
Leeds, Clarendon Way, Leeds LS2 9LU, West Yorkshire, U.K.
| | - Laith Mizban
- Biomaterials
and Tissue Engineering Research Group and Microbiology and Cell Biology Research
Group, School of Dentistry, University of
Leeds, Clarendon Way, Leeds LS2 9LU, West Yorkshire, U.K.
| | - Brian H. Clarkson
- Cariology,
Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor 48109-1078, United States
| | - David J. Wood
- Biomaterials
and Tissue Engineering Research Group and Microbiology and Cell Biology Research
Group, School of Dentistry, University of
Leeds, Clarendon Way, Leeds LS2 9LU, West Yorkshire, U.K.
| | - Maria G. Katsikogianni
- Biomaterials
and Tissue Engineering Research Group and Microbiology and Cell Biology Research
Group, School of Dentistry, University of
Leeds, Clarendon Way, Leeds LS2 9LU, West Yorkshire, U.K.
- Advanced
Materials Engineering, Faculty of Engineering and Informatics, University of Bradford, Bradford BD7 1DP, U.K.
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