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Nikolova MP, Apostolova MD. Advances in Multifunctional Bioactive Coatings for Metallic Bone Implants. Materials (Basel) 2022; 16:183. [PMID: 36614523 PMCID: PMC9821663 DOI: 10.3390/ma16010183] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 12/19/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Abstract
To fix the bone in orthopedics, it is almost always necessary to use implants. Metals provide the needed physical and mechanical properties for load-bearing applications. Although widely used as biomedical materials for the replacement of hard tissue, metallic implants still confront challenges, among which the foremost is their low biocompatibility. Some of them also suffer from excessive wear, low corrosion resistance, infections and shielding stress. To address these issues, various coatings have been applied to enhance their in vitro and in vivo performance. When merged with the beneficial properties of various bio-ceramic or polymer coatings remarkable bioactive, osteogenic, antibacterial, or biodegradable composite implants can be created. In this review, bioactive and high-performance coatings for metallic bone implants are systematically reviewed and their biocompatibility is discussed. Updates in coating materials and formulations for metallic implants, as well as their production routes, have been provided. The ways of improving the bioactive coating performance by incorporating bioactive moieties such as growth factors, osteogenic factors, immunomodulatory factors, antibiotics, or other drugs that are locally released in a controlled manner have also been addressed.
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Affiliation(s)
- Maria P. Nikolova
- Department of Material Science and Technology, University of Ruse “A. Kanchev”, 8 Studentska Str., 7017 Ruse, Bulgaria
| | - Margarita D. Apostolova
- Medical and Biological Research Lab., “Roumen Tsanev” Institute of Molecular Biology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
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Goldmann WH. Biosensitive and antibacterial coatings on metallic material for medical applications. Cell Biol Int 2021; 45:1624-1632. [PMID: 33818836 DOI: 10.1002/cbin.11604] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/01/2021] [Indexed: 11/09/2022]
Abstract
Metallic materials are commonly used for load-bearing implants and as internal fixation devices. It is customary to use austenitic stainless steel, especially surgical grade type 316L SS as temporary and Ti alloys as permanent implants. However, long-term, poor bonding with bone, corrosion, and release of metal ions, such as chromium and nickel occur. These ions are powerful allergens and carcinogens and their uncontrolled leaching may be avoided by surface coatings. Therefore, bioactive glasses (BGs) became a vital biomedical material, which can form a biologically active phase of hydroxycarbonate apatite on their surface when in contact with physiological fluids. To reduce the high coefficient of friction and the brittle nature of BGs, polymers are normally incorporated to avoid the high-temperature sintering/densification of ceramic-only coatings. For medical application, electrophoretic deposition (EPD) is now used for polymer (organic) and ceramic (inorganic) components at room temperature due to its simplicity, control of coating thickness and uniformity, low cost of equipment, ability to coat substrates of intricate shape and to supply thick films in composite form, high purity of deposits as well as no phase transformation during coating. Although extensive research has been conducted on polymer/inorganic composite coatings, only some studies have reported multifunctional properties, such as biological antibacterial activity, enhanced cell adhesion, controlled drug release ability, and mechanical properties. This review will focus on biodegradable coatings, including zien, chitosan, gelatin, cellulose loaded with antibacterial drugs/metallic ions/natural herbs on biostable substrates (PEEK/PMMA/PCL/PLLA layers), which have the potential of multifunctional coating for metallic implants.
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Affiliation(s)
- Wolfgang H Goldmann
- Department of Biophysics, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
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Olgun U, Tunç K, Hoş A. Preparation and antibacterial properties of nano biocomposite Poly(ε-caprolactone)-SiO2 films with nanosilver. J Polym Res 2019. [DOI: 10.1007/s10965-018-1686-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Ur Rehman MA, Ferraris S, Goldmann WH, Perero S, Bastan FE, Nawaz Q, Confiengo GGD, Ferraris M, Boccaccini AR. Antibacterial and Bioactive Coatings Based on Radio Frequency Co-Sputtering of Silver Nanocluster-Silica Coatings on PEEK/Bioactive Glass Layers Obtained by Electrophoretic Deposition. ACS Appl Mater Interfaces 2017; 9:32489-32497. [PMID: 28857546 DOI: 10.1021/acsami.7b08646] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Bioactive and antibacterial coatings on stainless steel substrates were developed and characterized in this study. Silver nanocluster-silica composite coatings of 60-150 nm thickness were deposited using radio frequency (RF) co-sputtering on PEEK/bioactive glass (BG) layers (of 80-90 μm thickness) which had been electrophoretically deposited onto stainless steel. Two sputtering conditions were used by varying the deposition time (15 and 40 min); the resulting microstructure, composition, adhesion strength, in vitro bioactivity, and antibacterial activity were investigated. Scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and energy dispersive spectroscopy (EDX) confirmed the presence of silver nanoclusters, which were homogeneously embedded in the silica matrix. The isoelectric point of the coatings and their charge at physiological pH were determined by zeta potential measurements. The presence of BG particles in the PEEK/BG layer allows the coatings to form apatite-like crystals upon immersion in simulated body fluid (SBF). Moreover, silver nanoclusters embedded in the silica matrix as a top layer provided an antibacterial effect against Escherichia coli and Staphylococcus carnosus.
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Affiliation(s)
- Muhammad Atiq Ur Rehman
- Institute of Biomaterials, Department of Material Science and Engineering, University of Erlangen-Nuremberg , Cauerstrasse 6, 91058 Erlangen, Germany
| | - Sara Ferraris
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino , 10129 Torino, Italy
| | - Wolfgang H Goldmann
- Department of Biophysics, University of Erlangen-Nuremberg , Henkstrasse 91, 91052 Erlangen, Germany
| | - Sergio Perero
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino , 10129 Torino, Italy
| | - Fatih Erdem Bastan
- Institute of Biomaterials, Department of Material Science and Engineering, University of Erlangen-Nuremberg , Cauerstrasse 6, 91058 Erlangen, Germany
- Engineering Faculty, Department of Metallurgy and Materials Engineering, Thermal Spray Research and Development Laboratory, Sakarya University , 54187 Esentepe, Sakarya, Turkey
| | - Qaisar Nawaz
- Institute of Biomaterials, Department of Material Science and Engineering, University of Erlangen-Nuremberg , Cauerstrasse 6, 91058 Erlangen, Germany
| | | | - Monica Ferraris
- Institute of Materials Physics and Engineering, Department of Applied Science and Technology, Politecnico di Torino , 10129 Torino, Italy
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Material Science and Engineering, University of Erlangen-Nuremberg , Cauerstrasse 6, 91058 Erlangen, Germany
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Baino F, Ferraris S, Miola M, Perero S, Verné E, Coggiola A, Dolcino D, Ferraris M. Novel antibacterial ocular prostheses: Proof of concept and physico-chemical characterization. Materials Science and Engineering: C 2016; 60:467-474. [DOI: 10.1016/j.msec.2015.11.075] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2015] [Revised: 11/26/2015] [Accepted: 11/30/2015] [Indexed: 01/09/2023]
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Anaya-Alaminos R, Ibáñez-Flores N, Aznar-Peña I, González-Andrades M. Antimicrobial biomaterials and their potential application in ophthalmology. J Appl Biomater Funct Mater 2015; 13:e346-50. [PMID: 26391868 DOI: 10.5301/jabfm.5000253] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2015] [Indexed: 11/20/2022] Open
Abstract
Infections associated with the use of intraocular, periocular, or orbital implants are associated with an increase in both morbidity and in the costs of ophthalmological surgery. This is due to an increased number of visits and the need for additional treatments, at a time when some conventional therapies are losing their efficacy, or even hospitalization. To avoid such consequences, the first step should be to prevent the biomaterials that form implants from being colonized by various microorganisms, either intraoperatively or postoperatively. To this end, several lines of research have emerged that aim at equipping implants with antimicrobial properties, some of which are described in this review.
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Abstract
The benefits of ceramics in biomedical applications have been universally appreciated as they exhibit an extraordinarily broad set of physico-chemical, mechanical and biological properties which can be properly tailored by acting on their composition, porosity and surface texture to increase their versatility and suitability for targeted healthcare applications. Bioceramics have traditionally been used for the repair of hard tissues, such as bone and teeth, mainly due to their suitable strength for load-bearing applications, wear resistance (especially alumina, zirconia and composites thereof) and, in some cases, bone-bonding ability (calcium orthophosphates and bioactive glasses). Bioceramics have been also applied in other medical areas, like ophthalmic surgery; although their use in such a context has been scientifically documented since the late 1700s, the potential and importance of ceramic ocular implants still seem to be underestimated and an exhaustive, critical assessment is currently lacking in the relevant literature. The present review aims to fill this gap by giving a comprehensive picture of the ceramic-based materials and implants that are currently used in ophthalmology and pointing out the strengths and weaknesses of the existing devices. A prospect for future research is also provided, highlighting the potential of new, smart bioceramics able to carry specific added values which could have a significant impact on the treatment of ocular diseases.
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Baino F. How can bioactive glasses be useful in ocular surgery? J Biomed Mater Res A 2014; 103:1259-75. [DOI: 10.1002/jbm.a.35260] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 05/29/2014] [Accepted: 05/31/2014] [Indexed: 11/10/2022]
Affiliation(s)
- Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department; Politecnico di Torino, Corso Duca degli Abruzzi 24 10129 Torino Italy
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Baino F, Perero S, Ferraris S, Miola M, Balagna C, Verné E, Vitale-Brovarone C, Coggiola A, Dolcino D, Ferraris M. Biomaterials for orbital implants and ocular prostheses: overview and future prospects. Acta Biomater 2014; 10:1064-87. [PMID: 24342039 DOI: 10.1016/j.actbio.2013.12.014] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2013] [Revised: 11/29/2013] [Accepted: 12/09/2013] [Indexed: 12/21/2022]
Abstract
The removal of an eye is one of the most difficult and dramatic decisions that a surgeon must consider in case of severe trauma or life-threatening diseases to the patient. The philosophy behind the design of orbital implants has evolved significantly over the last 60 years, and the use of ever more appropriate biomaterials has successfully reduced the complication rate and improved the patient's clinical outcomes and satisfaction. This review provides a comprehensive picture of the main advances that have been made in the development of innovative biomaterials for orbital implants and ocular prostheses. Specifically, the advantages, limitations and performance of the existing devices are examined and critically compared, and the potential of new, smart and suitable biomaterials are described and discussed in detail to outline a forecast for future research directions.
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Affiliation(s)
- Francesco Baino
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy.
| | - Sergio Perero
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy; Istituto Superiore Mario Boella, Torino, Italy
| | - Sara Ferraris
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
| | - Marta Miola
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
| | - Cristina Balagna
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
| | - Enrica Verné
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
| | - Chiara Vitale-Brovarone
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
| | - Andrea Coggiola
- S.O.C. Oculistica, Azienda Ospedaliera Nazionale SS. Antonio e Biagio e Cesare Arrigo, Via Venezia 16, Alessandria, Italy
| | - Daniela Dolcino
- S.O.C. Oculistica, Azienda Ospedaliera Nazionale SS. Antonio e Biagio e Cesare Arrigo, Via Venezia 16, Alessandria, Italy
| | - Monica Ferraris
- Institute of Materials Physics and Engineering, Applied Science and Technology Department, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy
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