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Huang H, Liu X, Wang J, Suo M, Zhang J, Sun T, Wang H, Liu C, Li Z. Strategies to improve the performance of polyetheretherketone (PEEK) as orthopedic implants: from surface modification to addition of bioactive materials. J Mater Chem B 2024; 12:4533-4552. [PMID: 38477504 DOI: 10.1039/d3tb02740f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2024]
Abstract
Polyetheretherketone (PEEK), as a high-performance polymer, is widely used for bone defect repair due to its homogeneous modulus of elasticity of human bone, good biocompatibility, excellent chemical stability and projectability. However, the highly hydrophobic surface of PEEK is biologically inert, which makes it difficult for cells and proteins to attach, and is accompanied by the development of infections that ultimately lead to failure of PEEK implants. In order to further enhance the potential of PEEK as an orthopedic implant, researchers have explored modification methods such as surface modification by physical and chemical means and the addition of bioactive substances to PEEK-based materials to enhance the mechanical properties, osteogenic activity and antimicrobial properties of PEEK. However, these current modification methods still have obvious shortcomings in terms of cost, maneuverability, stability and cytotoxicity, which still need to be explored by researchers. This paper reviews some of the modification methods that have been used to improve the performance of PEEK over the last three years in anticipation of the need for researchers to design PEEK orthopedic implants that better meet clinical needs.
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Affiliation(s)
- Huagui Huang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Xin Liu
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
| | - Jinzuo Wang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
| | - Moran Suo
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
| | - Jing Zhang
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
| | - Tianze Sun
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
| | - Honghua Wang
- Division of Energy Materials (DNL22), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, China.
| | - Chengde Liu
- Department of Polymer Science & Materials, Dalian University of Technology, Dalian, People's Republic of China.
| | - Zhonghai Li
- Department of Orthopedics, First Affiliated Hospital of Dalian Medical University, Dalian, People's Republic of China.
- Key Laboratory of Molecular Mechanism for Repair and Remodeling of Orthopedic Diseases, Liaoning Province, People's Republic of China
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Wang X, Hu J, Liu J, Liang Y, Wu L, Geng T, Liu S, Guo Y. Tribological Performance and Enhancing Mechanism of 3D Printed PEEK Coated with In Situ ZIF-8 Nanomaterial. Polymers (Basel) 2024; 16:1150. [PMID: 38675069 PMCID: PMC11054496 DOI: 10.3390/polym16081150] [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: 03/24/2024] [Revised: 04/11/2024] [Accepted: 04/15/2024] [Indexed: 04/28/2024] Open
Abstract
Polyether ether ketone (PEEK) is esteemed as a high-performance engineering polymer renowned for its exceptional mechanical properties and thermal stability. Nonetheless, the majority of polymer-based lubricating materials fail to meet the contemporary industrial demands for motion components regarding high speed, heavy loading, temperature resistance, and precise control. Utilizing 3D printing technology to design and fabricate intricately structured components, developing high-performance polymer self-lubricating materials becomes imperative to fulfill the stringent operational requirements of motion mechanisms. This study introduces a novel approach employing 3D printing technology to produce PEEK with varying filling densities and conducting in situ synthesis of zeolitic imidazolate framework (ZIF-8) nanomaterials on its surface to enhance PEEK's frictional performance. The research discusses the synthetic methodology, characterization techniques, and tribological performance evaluation of in situ synthesized ZIF-8 nanomaterials on PEEK surfaces. The findings demonstrate a significant enhancement in frictional performance of the composite material under low-load conditions, achieving a minimum wear rate of 4.68 × 10-6 mm3/N·m compared to the non-grafted PEEK material's wear rate of 1.091 × 10-5 mm3/N·m, an approximately 1.3 times improvement. Detailed characterization and analysis of the worn surface of the steel ring unveil the lubrication mechanism of the ZIF-8 nanoparticles, thereby presenting new prospects for the diversified applications of PEEK.
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Affiliation(s)
| | | | | | | | - Lan Wu
- School of Mechanical & Electrical Engineering, and Henan Provincial Engineering Research Centre of Automotive Composite Materials, Henan University of Technology, Zhengzhou 450001, China; (X.W.); (J.H.); (J.L.); (Y.L.); (T.G.); (S.L.); (Y.G.)
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Uysal I, Tezcaner A, Evis Z. Methods to improve antibacterial properties of PEEK: A review. Biomed Mater 2024; 19:022004. [PMID: 38364280 DOI: 10.1088/1748-605x/ad2a3d] [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: 07/24/2023] [Accepted: 02/16/2024] [Indexed: 02/18/2024]
Abstract
As a thermoplastic and bioinert polymer, polyether ether ketone (PEEK) serves as spine implants, femoral stems, cranial implants, and joint arthroplasty implants due to its mechanical properties resembling the cortical bone, chemical stability, and radiolucency. Although there are standards and antibiotic treatments for infection control during and after surgery, the infection risk is lowered but can not be eliminated. The antibacterial properties of PEEK implants should be improved to provide better infection control. This review includes the strategies for enhancing the antibacterial properties of PEEK in four categories: immobilization of functional materials and functional groups, forming nanocomposites, changing surface topography, and coating with antibacterial material. The measuring methods of antibacterial properties of the current studies of PEEK are explained in detail under quantitative, qualitative, andin vivomethods. The mechanisms of bacterial inhibition by reactive oxygen species generation, contact killing, trap killing, and limited bacterial adhesion on hydrophobic surfaces are explained with corresponding antibacterial compounds or techniques. The prospective analysis of the current studies is done, and dual systems combining osteogenic and antibacterial agents immobilized on the surface of PEEK are found the promising solution for a better implant design.
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Affiliation(s)
- Idil Uysal
- Department of Biomedical Engineering, Middle East Technical University, 06800 Ankara, Turkey
| | - Ayşen Tezcaner
- Department of Biomedical Engineering, Middle East Technical University, 06800 Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, 06800 Ankara, Turkey
| | - Zafer Evis
- Department of Biomedical Engineering, Middle East Technical University, 06800 Ankara, Turkey
- Department of Engineering Sciences, Middle East Technical University, 06800 Ankara, Turkey
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Feng P, He R, Gu Y, Yang F, Pan H, Shuai C. Construction of antibacterial bone implants and their application in bone regeneration. MATERIALS HORIZONS 2024; 11:590-625. [PMID: 38018410 DOI: 10.1039/d3mh01298k] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Bacterial infection represents a prevalent challenge during the bone repair process, often resulting in implant failure. However, the extensive use of antibiotics has limited local antibacterial effects at the infection site and is prone to side effects. In order to address the issue of bacterial infection during the transplantation of bone implants, four types of bone scaffold implants with long-term antimicrobial functionality have been constructed, including direct contact antimicrobial scaffold, dissolution-penetration antimicrobial scaffold, photocatalytic antimicrobial scaffold, and multimodal synergistic antimicrobial scaffold. The direct contact antimicrobial scaffold involves the physical penetration or disruption of bacterial cell membranes by the scaffold surface or hindrance of bacterial adhesion through surface charge, microstructure, and other factors. The dissolution-penetration antimicrobial scaffold releases antimicrobial substances from the scaffold's interior through degradation and other means to achieve local antimicrobial effects. The photocatalytic antimicrobial scaffold utilizes the absorption of light to generate reactive oxygen species (ROS) with enhanced chemical reactivity for antimicrobial activity. ROS can cause damage to bacterial cell membranes, deoxyribonucleic acid (DNA), proteins, and other components. The multimodal synergistic antimicrobial scaffold involves the combined use of multiple antimicrobial methods to achieve synergistic effects and effectively overcome the limitations of individual antimicrobial approaches. Additionally, the biocompatibility issues of the antimicrobial bone scaffold are also discussed, including in vitro cell adhesion, proliferation, and osteogenic differentiation, as well as in vivo bone repair and vascularization. Finally, the challenges and prospects of antimicrobial bone implants are summarized. The development of antimicrobial bone implants can provide effective solutions to bacterial infection issues in bone defect repair in the foreseeable future.
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Affiliation(s)
- Pei Feng
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Ruizhong He
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Yulong Gu
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Feng Yang
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
| | - Hao Pan
- Department of Periodontics & Oral Mucosal Section, Xiangya Stomatological Hospital & Xiangya School of Stomatology, Central South University, Changsha 410013, China.
| | - Cijun Shuai
- State Key Laboratory of Precision Manufacturing for Extreme Service Performance, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, China.
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
- College of Mechanical Engineering, Xinjiang University, Urumqi 830017, China
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Subhadarshini A, Samal SK, Pattnaik A, Nanda B. Facile fabrication of plasmonic Ag/ZIF-8: an efficient catalyst for investigation of antibacterial, haemolytic and photocatalytic degradation of antibiotics. RSC Adv 2023; 13:31756-31771. [PMID: 37908651 PMCID: PMC10614039 DOI: 10.1039/d3ra04851a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/10/2023] [Indexed: 11/02/2023] Open
Abstract
Present article represents the fabrication of plasmonic Ag/ZIF-8 composite and its effect on antibacterial, haemolytic and photocatalytic degradation of antibiotics. Ag/ZIF-8 was prepared by varying molar concentrations (1 mM, 2.5 mM, and 5 mM) of AgNO3 into ZIF-8 using NaBH4 as a reducing agent by the sol-gel process. The material was then characterised using the XRD, XPS, FTIR, SEM, HRTEM, UVDRS, BET and EIS techniques. When it comes to breaking down the antibiotic CIP, the optimised Ag2.5/ZIF-8 exhibits the strongest photocatalytic capability, with a degradation efficiency of 82.3% after 90 minutes. Due to LSPR (Localised Surface Plasmon Resonance) as well as the efficient movement and separation of the interfaces of photo-generated charge carriers in Ag2.5/ZIF-8 may be the causes of this increase in photocatalytic degradation. The effect of several parameters, such as pH, a variety of catalysts, varying dose concentrations, scavenging and sustainability are being investigated. The para benzoquinone (OH˙) and citric acid (h+) the primary active species in the photocatalytic breakdown pathway, according to trapping study. Whereas, Ag5/ZIF-8 was optimised for greater antibacterial activity against S. aureus and E. coli due to the synergistic impact of Ag+ and Zn2+ in Ag5/ZIF-8 and in haemolytic experiment, all samples were discovered to be non-toxic to blood cells. Overall, the synthesised compound was discovered to be a reusable, affordable catalyst for water remediation that can also be used in biomedicine.
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Affiliation(s)
- Asima Subhadarshini
- Environmental Science, Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan (Deemed to be) University Bhubaneswar Odisha India 751030
- Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan (Deemed to be) University Bhubaneswar Odisha India-751 030
| | - Sangram Keshari Samal
- Laboratory of Biomaterials and Regenerative Medicines for Advanced Therapies, ICMR-Regional Medical Research Centre Bhubaneswar Odisha India-751023
| | - Ananya Pattnaik
- Laboratory of Biomaterials and Regenerative Medicines for Advanced Therapies, ICMR-Regional Medical Research Centre Bhubaneswar Odisha India-751023
| | - Binita Nanda
- Department of Chemistry, Faculty of Engineering and Technology (ITER), Siksha 'O' Anusandhan (Deemed to be) University Bhubaneswar Odisha India-751 030
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Chen M, Ren M, Shi Y, Liu X, Wei H. State-of-the-art polyetheretherketone three-dimensional printing and multifunctional modification for dental implants. Front Bioeng Biotechnol 2023; 11:1271629. [PMID: 37929192 PMCID: PMC10621213 DOI: 10.3389/fbioe.2023.1271629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 10/05/2023] [Indexed: 11/07/2023] Open
Abstract
Polyetheretherketone (PEEK) is a high-performance thermoplastic polymer with an elastic modulus close to that of the jawbone. PEEK has the potential to become a new dental implant material for special patients due to its radiolucency, chemical stability, color similarity to teeth, and low allergy rate. However, the aromatic main chain and lack of surface charge and chemical functional groups make PEEK hydrophobic and biologically inert, which hinders subsequent protein adsorption and osteoblast adhesion and differentiation. This will be detrimental to the deposition and mineralization of apatite on the surface of PEEK and limit its clinical application. Researchers have explored different modification methods to effectively improve the biomechanical, antibacterial, immunomodulatory, angiogenic, antioxidative, osteogenic and anti-osteoclastogenic, and soft tissue adhesion properties. This review comprehensively summarizes the latest research progress in material property advantages, three-dimensional printing synthesis, and functional modification of PEEK in the fields of implant dentistry and provides solutions for existing difficulties. We confirm the broad prospects of PEEK as a dental implant material to promote the clinical conversion of PEEK-based dental implants.
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Affiliation(s)
- Meiqing Chen
- Department of Stomatology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Mei Ren
- Department of Stomatology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Yingqi Shi
- Department of Stomatology, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Xiuyu Liu
- Hospital of Stomatogy, Jilin University, Changchun, China
| | - Hongtao Wei
- Department of Stomatology, China-Japan Union Hospital of Jilin University, Changchun, China
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Kumar SR, Hu CC, Vi TTT, Chen DW, Lue SJ. Antimicrobial Peptide Conjugated on Graphene Oxide-Containing Sulfonated Polyetheretherketone Substrate for Effective Antibacterial Activities against Staphylococcus aureus. Antibiotics (Basel) 2023; 12:1407. [PMID: 37760704 PMCID: PMC10525520 DOI: 10.3390/antibiotics12091407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/18/2023] [Accepted: 08/28/2023] [Indexed: 09/29/2023] Open
Abstract
In the present study, the antimicrobial peptide nisin was successfully conjugated onto the surface of sulfonated polyetheretherketone (SPEEK), which was decorated with graphene oxide (GO) to investigate its biofilm resistance and antibacterial properties. The PEEK was activated with sulfuric acid, resulting in a porous structure. The GO deposition fully covered the porous SPEEK specimen. The nisin conjugation was accomplished using the crosslinker 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide (EDC) through a dip-coating method. The surface micrographs of the SPEEK-GO-nisin sample indicated that nisin formed discrete islets on the flat GO surface, allowing both the GO and nisin to perform a bactericidal effect. The developed materials were tested for bactericidal efficacy against Staphylococcus aureus (S. aureus). The SPEEK-GO-nisin sample had the highest antibacterial activity with an inhibition zone diameter of 27 mm, which was larger than those of the SPEEK-nisin (19 mm) and SPEEK-GO (10 mm) samples. Conversely, no inhibitory zone was observed for the PEEK and SPEEK samples. The surface micrographs of the bacteria-loaded SPEEK-GO-nisin sample demonstrated no bacterial adhesion and no biofilm formation. The SPEEK-nisin and SPEEK-GO samples showed some bacterial attachment, whereas the pure PEEK and SPEEK samples had abundant bacterial colonies and thick biofilm formation. These results confirmed the good biofilm resistance and antibacterial efficacy of the SPEEK-GO-nisin sample, which is promising for implantable orthopedic applications.
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Affiliation(s)
- Selvaraj Rajesh Kumar
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan City 333, Taiwan; (S.R.K.); (T.T.T.V.)
| | - Chih-Chien Hu
- Department of Orthopedics, Chang Gung Memorial Hospital, Linkou, Taoyuan City 333, Taiwan;
| | - Truong Thi Tuong Vi
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan City 333, Taiwan; (S.R.K.); (T.T.T.V.)
- Division of Pediatric Gastroenterology and Hepatology, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan City 333, Taiwan
| | - Dave W. Chen
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung City 204, Taiwan
| | - Shingjiang Jessie Lue
- Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan City 333, Taiwan; (S.R.K.); (T.T.T.V.)
- Department of Orthopedic Surgery, Chang Gung Memorial Hospital, Keelung City 204, Taiwan
- Department of Safety, Health and Environment Engineering, Ming Chi University of Technology, New Taipei City 243, Taiwan
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Puetzler J, Hasselmann J, Nonhoff M, Fobker M, Niemann S, Theil C, Gosheger G, Schulze M. On-Demand Release of Anti-Infective Silver from a Novel Implant Coating Using High-Energy Focused Shock Waves. Pharmaceutics 2023; 15:2179. [PMID: 37765150 PMCID: PMC10537269 DOI: 10.3390/pharmaceutics15092179] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 08/16/2023] [Accepted: 08/18/2023] [Indexed: 09/29/2023] Open
Abstract
Implant-related infections are a significant concern in orthopedic surgery. A novel anti-infective implant coating made of bioresorbable polymer with silver nitrate was developed. A controlled release of silver ions into the vicinity of the prosthesis can be triggered on-demand by extracorporeal shock waves to effectively combat all clinically relevant microorganisms. Microscopy techniques were used to examine the effects of shock wave application on coated titanium discs. Cytotoxicity was measured using a fibroblast proliferation assay. The anti-infective effect was assessed by monitoring the growth curves of three bacterial strains and by conventional culture. Microscopic analysis confirmed surface disruption of the coatings, with a complete release of silver in the focus area after shock wave application. Spectrometry detected an increase in silver concentration in the surrounding of the discs that surpassed the minimum inhibitory concentration (MIC) for both S. epidermidis RP62A and E. coli ATCC 25922. The released silver demonstrated an anti-infective effect, significantly inhibiting bacterial growth, especially at 6% and 8% silver concentrations. Cytotoxicity testing showed decreasing fibroblast viability with increasing silver concentration in the coating, with 6% silver maintaining viability above 25%. Compared to a commonly used electroplated silver coating on the market, the new coating demonstrated superior antimicrobial efficacy and lower cytotoxicity.
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Affiliation(s)
- Jan Puetzler
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Julian Hasselmann
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
- Materials Engineering Laboratory, Department of Mechanical Engineering, University of Applied Sciences Muenster, 48565 Steinfurt, Germany
| | - Melanie Nonhoff
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Manfred Fobker
- Central Laboratory, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Silke Niemann
- Institute of Medical Microbiology, Muenster University Hospital, Domagkstraße 10, 48149 Muenster, Germany
| | - Christoph Theil
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Georg Gosheger
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Martin Schulze
- Department of General Orthopedics and Tumor Orthopedics, Muenster University Hospital, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
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Zhao C, Shu C, Yu J, Zhu Y. Metal-organic frameworks functionalized biomaterials for promoting bone repair. Mater Today Bio 2023; 21:100717. [PMID: 37545559 PMCID: PMC10401359 DOI: 10.1016/j.mtbio.2023.100717] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/21/2023] [Accepted: 06/26/2023] [Indexed: 08/08/2023] Open
Abstract
Bone defects induced by bone trauma, tumors and osteoarthritis greatly affect the life quality and health of patients. The biomaterials with numerous advantages are becoming the most preferred options for repairing bone defects and treating orthopedic diseases. However, their repairing effects remains unsatisfactory, especially in bone defects suffering from tumor, inflammation, and/or bacterial infection. There are several strategies to functionalize biomaterials, but a more general and efficient method is essential for accomplishing the functionalization of biomaterials. Possessing high specific surface, high porosity, controlled degradability and variable composition, metal-organic frameworks (MOFs) materials are inherently advantageous for functionalizing biomaterials, with tremendous improvements having been achieved. This review summarizes recent progresses in MOFs functionalized biomaterials for promoting bone repair and therapeutic effects. In specific, by utilizing various properties of diverse MOFs materials, integrated MOFs functionalized biomaterials achieve enhanced bone regeneration, antibacterial, anti-inflammatory and anti-tumor functions. Finally, the summary and prospects of on the development of MOFs-functionalized biomaterials for promoting bone repair were discussed.
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Affiliation(s)
- Chaoqian Zhao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Chaoqin Shu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Jiangming Yu
- Department of Orthopaedics, Tongren Hospital, Shanghai Jiaotong University, Shanghai, 200336, PR China
| | - Yufang Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, PR China
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Gao W, Han X, Sun D, Li Y, Liu X, Yang S, Zhou Z, Qi Y, Jiao J, Zhao J. Antibacterial properties of antimicrobial peptide HHC36 modified polyetheretherketone. Front Microbiol 2023; 14:1103956. [PMID: 36998411 PMCID: PMC10043374 DOI: 10.3389/fmicb.2023.1103956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/22/2023] [Indexed: 03/18/2023] Open
Abstract
IntroductionPolyetheretherketone (PEEK) is considered to be a new type of orthopedic implant material due to its mechanical properties and biocompatibility. It is becoming a replacement for titanium (Ti) due to its near-human-cortical transmission and modulus of elasticity. However, its clinical application is limited because of its biological inertia and susceptibility to bacterial infection during implantation. To solve this problem, there is an urgent need to improve the antibacterial properties of PEEK implants.MethodsIn this work, we fixed antimicrobial peptide HHC36 on the 3D porous structure of sulfonated PEEK (SPEEK) by a simple solvent evaporation method (HSPEEK), and carried out characterization tests. We evaluated the antibacterial properties and cytocompatibility of the samples in vitro. In addition, we evaluated the anti-infection property and biocompatibility of the samples in vivo by establishing a rat subcutaneous infection model.ResultsThe characterization test results showed that HHC36 was successfully fixed on the surface of SPEEK and released slowly for 10 days. The results of antibacterial experiments in vitro showed that HSPEEK could reduce the survival rate of free bacteria, inhibit the growth of bacteria around the sample, and inhibit the formation of biofilm on the sample surface. The cytocompatibility test in vitro showed that the sample had no significant effect on the proliferation and viability of L929 cells and had no hemolytic activity on rabbit erythrocytes. In vivo experiments, HSPEEK can significantly reduce the bacterial survival rate on the sample surface and the inflammatory reaction in the soft tissue around the sample.DiscussionWe successfully loaded HHC36 onto the surface of SPEEK through a simple solvent evaporation method. The sample has excellent antibacterial properties and good cell compatibility, which can significantly reduce the bacterial survival rate and inflammatory reaction in vivo. The above results indicated that we successfully improved the antibacterial property of PEEK by a simple modification strategy, making it a promising material for anti-infection orthopedic implants.
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Affiliation(s)
- Weijia Gao
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Xiao Han
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Duo Sun
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Yongli Li
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Xiaoli Liu
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Pediatric Dentistry, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Shihui Yang
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Prostheses, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Zhe Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Yuanzheng Qi
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Junjie Jiao
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Jinghui Zhao
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Department of Dental Implantology, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
- *Correspondence: Jinghui Zhao,
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Surface Treatments of PEEK for Osseointegration to Bone. Biomolecules 2023; 13:biom13030464. [PMID: 36979399 PMCID: PMC10046336 DOI: 10.3390/biom13030464] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 03/06/2023] Open
Abstract
Polymers, in general, and Poly (Ether-Ether-Ketone) (PEEK) have emerged as potential alternatives to conventional osseous implant biomaterials. Due to its distinct advantages over metallic implants, PEEK has been gaining increasing attention as a prime candidate for orthopaedic and dental implants. However, PEEK has a highly hydrophobic and bioinert surface that attenuates the differentiation and proliferation of osteoblasts and leads to implant failure. Several improvements have been made to the osseointegration potential of PEEK, which can be classified into three main categories: (1) surface functionalization with bioactive agents by physical or chemical means; (2) incorporation of bioactive materials either as surface coatings or as composites; and (3) construction of three-dimensionally porous structures on its surfaces. The physical treatments, such as plasma treatments of various elements, accelerated neutron beams, or conventional techniques like sandblasting and laser or ultraviolet radiation, change the micro-geometry of the implant surface. The chemical treatments change the surface composition of PEEK and should be titrated at the time of exposure. The implant surface can be incorporated with a bioactive material that should be selected following the desired use, loading condition, and antimicrobial load around the implant. For optimal results, a combination of the methods above is utilized to compensate for the limitations of individual methods. This review summarizes these methods and their combinations for optimizing the surface of PEEK for utilization as an implanted biomaterial.
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Zan J, Shuai Y, Zhang J, Zhao J, Sun B, Yang L. Hyaluronic acid encapsulated silver metal organic framework for the construction of a slow-controlled bifunctional nanostructure: Antibacterial and anti-inflammatory in intrauterine adhesion repair. Int J Biol Macromol 2023; 230:123361. [PMID: 36693610 DOI: 10.1016/j.ijbiomac.2023.123361] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/05/2023] [Accepted: 01/17/2023] [Indexed: 01/22/2023]
Abstract
Intrauterine adhesion (IUA) is a common gynecological disease caused by endometrial injury, which might result in abnormal menstruation, miscarriage, and even fetal deaths. Nevertheless, existing treatment strategies such as intrauterine device and uterine cavity balloons only provide a physical barrier, and not circumvent inflammation of endometrial microenvironment and retrograde infection. In this study, a slow-controlled bifunctional nanostructure was developed via encapsulating hyaluronic acid (HA) on surface of silver-metal organic framework (Ag-MOF), and then loaded in poly lactic-co-glycolic acid scaffold to prevent IUA. In therapy, macro-molecule of HA provided anti-inflammatory function by the adjustment of signal transduction pathways of macrophage surface receptors, whereas Ag-MOF inactivated bacteria by destroying bacterial membrane and producing reactive oxygen. Significantly, the coated HA effectively avoided burst release of Ag+, thus achieving long-term antibacterial property and good biocompatibility. Antibacterial results showed antibacterial rate of the scaffold reached 87.8 % against staphylococcus aureus. Anti-inflammatory assays showed that the scaffold inhibited the release of inflammatory cytokines and promoted the release of anti-inflammatory cytokines. Moreover, in vitro cell tests revealed that the scaffold effectively inhibited fibroblast growth, indicating its good ability to prevent IUA. Taken together, the scaffold may be a promising candidate for IUA treatment.
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Affiliation(s)
- Jun Zan
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Yang Shuai
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Jun Zhang
- Department of Radiation and Medical Oncology, Hubei Key Laboratory of Tumor Biological Behaviors, Hubei Cancer Clinical Study Center, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Jiachi Zhao
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China
| | - Bingxin Sun
- Institute of Additive Manufacturing, Jiangxi University of Science and Technology, Nanchang 330013, China.
| | - Liuyimei Yang
- Ganjiang Innovation Academy, Chinese Academy of Sciences, Ganzhou 341119, China
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Lin Z, Fu H, Zhang Y, Deng Y, Wei F, Li H, Xu C, Hua F, Lin B. Enhanced antibacterial effect and biodegradation of coating via dual-in-situ growth based on carboxymethyl cellulose. Carbohydr Polym 2023; 302:120433. [PMID: 36604093 DOI: 10.1016/j.carbpol.2022.120433] [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: 09/09/2022] [Revised: 11/17/2022] [Accepted: 12/01/2022] [Indexed: 12/13/2022]
Abstract
The lack of antimicrobial effect of commercial paper coating for food packaging makes it difficult to prevent food spoilage and harms the environment by non-biodegradation. Herein, carboxymethyl cellulose (CMC) provides negatively charged sites for anchoring Ag+ and Zn2+ to grow AgNPs and ZIF-8 in situ on its molecular chains. The ZIF-8/AgNPs@CMC paper coating has excellent synergistic antibacterial activity to prolong the shelf-life of food. It not only has good thermal stability but binds closely to the paper and its adhesion force reaches 628.9 nN. Besides, the ZIF-8/AgNPs@CMC coated paper has better mechanical properties, water vapor barrier, and resists water solubility. Interestingly, due to the confinement effect of ZIF-8, the cumulative release of AgNPs after 168 h is only 2.66 % to avoid possible food safety risks. Especially, the coating can be almost biodegraded in the soil after 30 days, which provides the possibility to replace the non-biodegradable coatings in food packaging.
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Affiliation(s)
- Zhenhao Lin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Hao Fu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Yuancheng Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Yongfu Deng
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Fuxiang Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Hao Li
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Chuanhui Xu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Fuli Hua
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China
| | - Baofeng Lin
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning 530004, PR China.
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Zheng Z, Liu P, Zhang X, Jingguo xin, Yongjie wang, Zou X, Mei X, Zhang S, Zhang S. Strategies to improve bioactive and antibacterial properties of polyetheretherketone (PEEK) for use as orthopedic implants. Mater Today Bio 2022; 16:100402. [PMID: 36105676 PMCID: PMC9466655 DOI: 10.1016/j.mtbio.2022.100402] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/11/2022] [Accepted: 08/12/2022] [Indexed: 12/26/2022] Open
Abstract
Polyetheretherketone (PEEK) has gradually become the mainstream material for preparing orthopedic implants due to its similar elastic modulus to human bone, high strength, excellent wear resistance, radiolucency, and biocompatibility. Since the 1990s, PEEK has increasingly been used in orthopedics. Yet, the widespread application of PEEK is limited by its bio-inertness, hydrophobicity, and susceptibility to microbial infections. Further enhancing the osteogenic properties of PEEK-based implants remains a difficult task. This article reviews some modification methods of PEEK in the last five years, including surface modification of PEEK or incorporating materials into the PEEK matrix. For surface modification, PEEK can be modified by chemical treatment, physical treatment, or surface coating with bioactive substances. For PEEK composite material, adding bioactive filler into PEEK through the melting blending method or 3D printing technology can increase the biological activity of PEEK. In addition, some modification methods such as sulfonation treatment of PEEK or grafting antibacterial substances on PEEK can enhance the antibacterial performance of PEEK. These strategies aim to improve the bioactive and antibacterial properties of the modified PEEK. The researchers believe that these modifications could provide valuable guidance on the future design of PEEK orthopedic implants.
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Yu C, Jia Y, Fang K, Qin Y, Deng N, Liang Y. Preparation hierarchical porous MOF membranes with island-like structure for efficient gas separation. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Zhang X, Peng F, Wang D. MOFs and MOF-Derived Materials for Antibacterial Application. J Funct Biomater 2022; 13:215. [PMID: 36412856 PMCID: PMC9680240 DOI: 10.3390/jfb13040215] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/28/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
Bacterial infections pose a serious threat to people's health. Efforts are being made to develop antibacterial agents that can inhibit bacterial growth, prevent biofilm formation, and kill bacteria. In recent years, materials based on metal organic frameworks (MOFs) have attracted significant attention for various antibacterial applications due to their high specific surface area, high enzyme-like activity, and continuous release of metal ions. This paper reviews the recent progress of MOFs as antibacterial agents, focusing on preparation methods, fundamental antibacterial mechanisms, and strategies to enhance their antibacterial effects. Finally, several prospects related to MOFs for antibacterial application are proposed, aiming to provide possible research directions in this field.
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Affiliation(s)
- Xin Zhang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Feng Peng
- Medical Research Center, Department of Orthopedics, Guangdong Provincial People’s Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Donghui Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
- School of Health Sciences and Biomedical Engineering, Hebei University of Technology, Tianjin 300130, China
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Zhang S, Long J, Chen L, Zhang J, Fan Y, Shi J, Huang Y. Treatment methods toward improving the anti-infection ability of poly(etheretherketone) implants for medical applications. Colloids Surf B Biointerfaces 2022; 218:112769. [PMID: 35994991 DOI: 10.1016/j.colsurfb.2022.112769] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/04/2022] [Accepted: 08/08/2022] [Indexed: 10/15/2022]
Abstract
Due to its favorable chemical stability, biocompatibility, and mechanical properties, Poly(etheretherketone) (PEEK) is a promising material for repairing bone and dental hard tissue defects. However, there are critical disadvantages: PEEK is biologically and chemically inert, which influences osseointegration of implants and bonding strength of prostheses, and its mechanical properties still cannot meet the requirements for some medical applications. Furthermore, bacterial infections and inflammatory reactions often accompany bone defects caused by trauma or inflammation or teeth loss caused by periodontitis. Previous studies mainly focused on enhancing PEEK's bioactivity and mechanical performance, but PEEK also lacks effective anti-infection ability. Thus, it is necessary to improve its anti-infection ability, and this is considered in this paper from two aspects. The first is to inhibit the attachment and growth of bacteria on the material, and the second is to endow the material with immunoregulatory ability, which means mobilizing the host immune system to protect tissue from inflammation. In this review, we analyze and discuss the existing treatment methods to improve the antibacterial and immunomodulatory abilities of PEEK addressing their limitations, relevant future challenges, and required research efforts.
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Affiliation(s)
- Shuqi Zhang
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Jiazhen Long
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Lin Chen
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Jie Zhang
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Yunjian Fan
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Jiayu Shi
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
| | - Yuanjin Huang
- Stomatological Hospital, Southern Medical University, S366 Jiangnan Boulvard, Guangzhou 510280, China.
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Zou Y, Yan R, Wang H, Zhong K, Wang S. NIR‐Responsive Polyurethane Nanocomposites Based on PDA@FA Nanoparticles with Synergistic Antibacterial Effect. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yuke Zou
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 P. R. China
| | - Rui Yan
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 P. R. China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu 610065 P. R. China
| | - Haibo Wang
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 P. R. China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu 610065 P. R. China
| | - Kai Zhong
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 P. R. China
| | - Shuang Wang
- College of Biomass Science and Engineering Sichuan University Chengdu 610065 P. R. China
- The Key Laboratory of Leather Chemistry and Engineering of Ministry of Education Sichuan University Chengdu 610065 P. R. China
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Schulze M, Fobker M, Puetzler J, Hillebrand J, Niemann S, Schulte E, Kurzynski J, Gosheger G, Hasselmann J. Mechanical and microbiological testing concept for activatable anti-infective biopolymer implant coatings. BIOMATERIALS ADVANCES 2022; 138:212917. [PMID: 35913227 DOI: 10.1016/j.bioadv.2022.212917] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Revised: 04/29/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
An anti-infective bilayer implant coating with selectively activatable properties was developed to prevent biofilm formation and to support the treatment of periprosthetic infection as a local adjunct to current treatment concepts. In a first step, Ti6Al4V discs were coated with a permanent layer of Poly(l-lactide) (PLLA) including silver ions. The PLLA could be optionally released by the application of extracorporeal shock waves. In a second step, a resorbable layer of triglyceride (TAG) with incorporated antibiotics was applied. The second layer is designed for resorption within weeks. Prior to approval and clinical application, a comprehensive evaluation process to determine mechanical/physical and microbiological properties is obligate. To date, none of the existing test standards covers both drug-releasing and activatable coatings for orthopedic implants. Therefore, a comprehensive test concept was developed to characterize the new coating in a pilot series. The coatings were homogeneously applied on the Ti6Al4V substrate, resulting in an adhesion strength sufficient for non-articulating surfaces for PLLA. Proof of the extracorporeal shockwave activation of PLLA was demonstrated both mechanically and microbiologically, with a simultaneous increase of biocompatibility compared to standard electroplated silver coating. Wettability was significantly reduced for both layers in comparison to the Ti6Al4V substrate. Thus, potentially inhibiting biofilm formation. Furthermore, the TAG coating promoted cell proliferation and bacterial eradication. In conclusion, the testing concept is applicable for similar biopolymer coating systems. Furthermore, the extracorporeal activation could represent a completely new supportive approach for the treatment of periprosthetic joint infections.
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Affiliation(s)
- Martin Schulze
- Clinic for General Orthopedics and Tumororthopedics, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany.
| | - Manfred Fobker
- Central Laboratory, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Jan Puetzler
- Clinic for General Orthopedics and Tumororthopedics, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Jule Hillebrand
- Clinic for General Orthopedics and Tumororthopedics, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Silke Niemann
- Institute of Medical Microbiology, University Hospital Muenster, Domagkstraße 10, 48149 Muenster, Germany
| | - Erhard Schulte
- Central Laboratory, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Jochen Kurzynski
- Materials Engineering Laboratory, Department of Mechanical Engineering, University of Applied Sciences Muenster, Stegerwaldstraße 39, 48565 Steinfurt, Germany
| | - Georg Gosheger
- Clinic for General Orthopedics and Tumororthopedics, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany
| | - Julian Hasselmann
- Clinic for General Orthopedics and Tumororthopedics, University Hospital Muenster, Albert-Schweitzer-Campus 1, 48149 Muenster, Germany; Materials Engineering Laboratory, Department of Mechanical Engineering, University of Applied Sciences Muenster, Stegerwaldstraße 39, 48565 Steinfurt, Germany
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Wang Y, Jin Y, Chen Y, Han T, Chen Y, Wang C. A preliminary study on surface bioactivation of polyaryletherketone by UV-grafting with PolyNaSS: influence on osteogenic and antibacterial activities. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2022; 33:1845-1865. [PMID: 35757914 DOI: 10.1080/09205063.2022.2088524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Polyaryletherketone (PAEK) has good biocompatibility and mechanical properties and thus may have great potential in the fields of reparative medicine and bone intervention. In this study, the key representative PAEKs, polyetheretherketone (PEEK) and polyetherketoneketone (PEKK), were modified by UV grafting with sodium polystyrene sulfonate (polyNaSS) to improve their biocompatibility. Toluidine blue staining and Fourier transform infrared spectroscopic analyses showed that sulfonic acid groups were successfully introduced into PAEK, and the hydrophilicity and protein adsorption capacity of the materials were enhanced in a concentration-dependent manner. The effects of the grafted polyNaSS on osteoinduction and antibacterial properties of PAEK were analyzed in detail. We found that polyNaSS enhanced the viability, alkaline phosphatase activity, calcium mineral deposition, and levels of expression of osteoblast-related genes and proteins of adherent human umbilical cord Wharton's jelly-derived mesenchymal stem cells. In addition, when Escherichia coli, Staphylococcus aureus and Porphyromonas gingivalis were incubated with the materials, bacterial colony counting revealed that grafting of polyNaSS onto PAEK led to more potent inhibition of bacterial adhesion, and polyNaSS-grafted PEKK had stronger antibacterial performance than did polyNaSS-grafted PEEK fabricated under the same grafting conditions. These data show that polyNaSS-grafted PAEK, and particularly polyNaSS-grafted PEKK, may be useful as orthopedic and dental implant materials.
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Affiliation(s)
- Yijin Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yabing Jin
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yiyi Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Tianlei Han
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yuhong Chen
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Chen Wang
- Jiangsu Key Laboratory of Oral Diseases, Department of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
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Dai X, Feng S, Wu W, Zhou Y, Ye Z, Wang Y, Cao X. Photocatalytic Degradation of Tetracycline by Z-Scheme Bi2WO6/ZIF-8. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02273-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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22
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Wang H, Yan R, Zou Y, Xing D, Zhong K. Light-driven Self-healing Polyurethane film based on PDA@Ag Nanoparticles with Improved Mechanical and Antibacterial Properties. J Mater Chem B 2022; 10:1085-1093. [DOI: 10.1039/d1tb02710g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To endow the polyurethane (PU) coating with antimicrobial and self-healing ability, the PU composite film (PUDA@Ag) based on furfuryl functional polydopamine nanoparticles (FPDA NPs) and Diels-Alder (DA) reaction was prepared...
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Infections @ Trauma/Orthopedic Implants: Recent Advances on Materials, Methods, and Microbes-A Mini-Review. MATERIALS 2021; 14:ma14195834. [PMID: 34640231 PMCID: PMC8510481 DOI: 10.3390/ma14195834] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 09/27/2021] [Accepted: 09/30/2021] [Indexed: 12/22/2022]
Abstract
Implants and materials are indispensable in trauma and orthopedic surgery. The continuous improvements of implant design have resulted in an optimized mechanical function that supports tissue healing and restoration of function. One of the still unsolved problems with using implants and materials is infection. Trauma and material implantation change the local inflammatory situation and enable bacterial survival and material colonization. The main pathogen in orthopedic infections is Staphylococcus aureus. The research efforts to optimize antimicrobial surfaces and to develop new anti-infective strategies are enormous. This mini-review focuses on the publications from 2021 with the keywords S. aureus AND (surface modification OR drug delivery) AND (orthopedics OR trauma) AND (implants OR nails OR devices). The PubMed search yielded 16 original publications and two reviews. The original papers reported the development and testing of anti-infective surfaces and materials: five studies described an implant surface modification, three developed an implant coating for local antibiotic release, the combination of both is reported in three papers, while five publications are on antibacterial materials but not metallic implants. One review is a systematic review on the prevention of stainless-steel implant-associated infections, the other addressed the possibilities of mixed oxide nanotubes. The complexity of the approaches differs and six of them showed efficacy in animal studies.
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