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Wei X, Wan C, Peng X, Luo Y, Hu M, Cheng C, Feng S, Yu X. Copper-based carbon dots modified hydrogel with osteoimmunomodulatory and osteogenesis for bone regeneration. J Mater Chem B 2024; 12:5734-5748. [PMID: 38771222 DOI: 10.1039/d4tb00526k] [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: 05/22/2024]
Abstract
Biomaterials with dual functions of osteoimmunomodulation and bone repair are very promising in the field of orthopedic materials. For this purpose, we prepared copper-based carbon dots (CuCDs) and doped them into oxychondroitin sulfate/poly-acrylamide hydrogel (OPAM) to obtain a hybrid hydrogel (CuCDs/OPAM). We evaluated its osteoimmunomodulatory and bone repair properties in vitro and in vivo. The obtained CuCDs/OPAM exhibited good rBMSCs-cytocompatibility and anti-inflammatory properties in vitro. It also could effectively promote rBMSCs differentiation and the expression of osteogenic differentiation factors from rBMSCs under an inflammatory environment. Moreover, CuCDs/OPAM could induce macrophage phenotype switching (from M1-type macrophages to M2-type macrophages) in vivo, which is beneficial for anti-inflammatory action and presents good osteoimmunomodulation capability to induce a bone immune microenvironment to promote the differentiation of rBMSCs. In conclusion, CuCDs/OPAM hydrogel has dual functions of osteoimmunomodulatory and bone repair and is a promising bone filling and repair material.
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Affiliation(s)
- Xu Wei
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Chang Wan
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Xu Peng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
- Experimental and Research Animal Institute, Sichuan University, Chengdu 610065, P. R. China
| | - Yihao Luo
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Mengyue Hu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Can Cheng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Shaoxiong Feng
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
| | - Xixun Yu
- College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, P. R. China.
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Siva Prasad P, Byram PK, Hazra C, Chakravorty N, Sen R, Das S, Das K. Biosurfactant-Assisted Cu Doping of Brushite Coatings: Enhancing Structural, Electrochemical, and Biofunctional Properties. ACS APPLIED MATERIALS & INTERFACES 2024; 16:10601-10622. [PMID: 38376231 DOI: 10.1021/acsami.3c15471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/21/2024]
Abstract
Stainless steel (316L SS) has been widely used in orthopedic, cardiovascular stents, and other biomedical implant applications due to its strength, corrosion resistance, and biocompatibility. To address the weak interaction between steel implants and tissues, it is a widely adopted strategy to enhance implant performance through the application of bioactive coatings. In this study, Cu-doped brushite coatings were deposited successfully through pulse electrodeposition on steel substrates facilitated with a biosurfactant (BS) (i.e., surfactin). Further, the combined effect of various concentrations of Cu ions and BS on the structural, electrochemical, and biological properties was studied. The X-ray diffraction (XRD) confirms brushite composition with Cu substitution causing lattice contraction and a reduced crystallite size. The scanning electron microscopy (SEM) and energy-dispersive spectroscopy (EDS) studies reveal the morphological changes of the coatings with the incorporation of Cu, which is confirmed by X-ray photoelectron spectroscopy (XPS) and elemental mapping. The Fourier transform infrared (FTIR) and Raman spectroscopy confirm the brushite and Cu doping in the coatings, respectively. Increased surface roughness and mechanical properties of Cu-doped coatings were analyzed by using atomic force microscopic (AFM) and nanohardness tests, respectively. Electrochemical assessments demonstrate corrosion resistance enhancement in Cu-doped coatings, which is further improved with the addition of biosurfactants. In vitro biomineralization studies show the Cu-doped coating's potential for osseointegration, with added stability. The cytocompatibility of the coatings was analyzed using live/dead and 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT) assays; cell adhesion, proliferation, and migration studies were evaluated using SEM. Antibacterial assays highlight significant improvement in the antibacterial properties of Cu-doped coatings with BS. Thus, the developed Cu-doped brushite coatings with BS demonstrate their potential in the realm of biomedical implant technologies, paving the way for further exploration.
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Affiliation(s)
- Pakanati Siva Prasad
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Prasanna Kumar Byram
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur721302, India
| | - Chinmay Hazra
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur721302, India
| | - Nishant Chakravorty
- School of Medical Science and Technology, Indian Institute of Technology Kharagpur, Kharagpur721302, India
| | - Ramkrishna Sen
- Department of Biotechnology, Indian Institute of Technology Kharagpur, Kharagpur721302, India
| | - Siddhartha Das
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Karabi Das
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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Bajpai D, Rajasekar A. Development and Characterization of Gadolinium and Copper Reinforced Bioactive Glass: An In Vitro Study. Cureus 2024; 16:e55151. [PMID: 38558594 PMCID: PMC10980168 DOI: 10.7759/cureus.55151] [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: 01/24/2024] [Accepted: 02/28/2024] [Indexed: 04/04/2024] Open
Abstract
INTRODUCTION Bioactive glass, an innovative alloplastic material utilizing a matrix of silica particles combined with calcium and phosphorus, has been widely employed for the regeneration of bony defects due to its bone-forming capabilities and biocompatibility. Nevertheless, it comes with several drawbacks, including a slow degradation rate, low mechanical strength, and susceptibility to fractures. To address these issues, the present research was done to develop and characterize a novel bioactive glass incorporating gadolinium (Gd) and copper (Cu). METHODS The bioactive glass doped with Gd and Cu were synthesized and subjected to characterization through X-ray diffraction (XRD), scanning electron microscopy (SEM), and attenuated total reflectance-infrared (ATR-IR) analysis. RESULTS The bioactive glass, enriched with Gd and Cu, underwent analysis using ATR-IR spectroscopy, XRD, and SEM. ATR-IR revealed characteristic silicate bands, while SEM indicated the presence of particles larger than 4 μm. XRD analysis identified the formation of Na2Ca4(PO4)2SiO4 (Silicorhenatite), Na2Ca2Si3O9 (Combeite), and wollastonite (calcium inosilicate mineral; CaSiO3). The crystalline nature of these compounds contributed to the favorable mechanical properties of the bioactive glass. CONCLUSION In summary, the creation of the innovative Gd-Cu-incorporated bioactive glass demonstrates favorable mechanical characteristics, suggesting significant promise for augmenting bone regeneration.
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Affiliation(s)
- Devika Bajpai
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
| | - Arvina Rajasekar
- Periodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, IND
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Griesiute D, Kizalaite A, Dubnika A, Klimavicius V, Kalendra V, Tyrpekl V, Cho SH, Goto T, Sekino T, Zarkov A. A copper-containing analog of the biomineral whitlockite: dissolution-precipitation synthesis, structural and biological properties. Dalton Trans 2024; 53:1722-1734. [PMID: 38167907 DOI: 10.1039/d3dt03756h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
In the present work, copper whitlockite (Cu-WH, Ca18Cu2(HPO4)2(PO4)12) was successfully synthesized and comprehensively characterized, founding the base knowledge for its future studies in medicine, particularly for bone regeneration. This material is a copper-containing analog of the well-known biomineral magnesium whitlockite (Mg-WH, Ca18Mg2(HPO4)2(PO4)12). The synthesis of powders was performed by a dissolution-precipitation method in an aqueous medium under hydrothermal conditions. Phase conversion from brushite (CaHPO4·2H2O) to Cu-WH took place in an acidic medium in the presence of Cu2+ ions. Optimization of the synthesis conditions in terms of medium pH, temperature, time, Ca/Cu molar ratio and concentration of starting materials was performed. The crystal structure of the synthesized products was confirmed by XRD, FTIR and Raman spectroscopy, 1H and 31P solid-state NMR, and EPR. Morphological features and elemental distribution of the synthesized powders were studied by means of SEM/EDX analysis. The ion release in SBF solution was estimated using ICP-OES. Cytotoxicity experiments were performed with MC3T3-E1 cells. The study on thermal stability revealed that the synthesized material is thermally unstable and gradually decomposes upon annealing to Cu-substituted β-Ca3(PO4)2 and Ca2P2O7.
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Affiliation(s)
- Diana Griesiute
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania.
| | - Agne Kizalaite
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania.
| | - Arita Dubnika
- Rudolfs Cimdins Riga Biomaterials Innovations and Development Centre of RTU, Faculty of Materials Science and Applied Chemistry, Institute of General Chemical Engineering, Riga Technical University, LV-1007 Riga, Latvia
- Baltic Biomaterials Centre of Excellence, Headquarters at Riga Technical University, LV-1658 Riga, Latvia
| | - Vytautas Klimavicius
- Institute of Chemical Physics, Vilnius University, Sauletekio 3, LT-10257 Vilnius, Lithuania
| | - Vidmantas Kalendra
- Institute of Applied Electrodynamics and Telecommunications, Vilnius University, Sauletekio 3, LT-10257 Vilnius, Lithuania
| | - Vaclav Tyrpekl
- Department of Inorganic Chemistry, Faculty of Science, Charles University, Hlavova 2030/8, 128 43 Prague, Czech Republic
| | - Sung Hun Cho
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Tomoyo Goto
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, 1-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Tohru Sekino
- SANKEN (The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Aleksej Zarkov
- Institute of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania.
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Soares Í, Sotelo L, Erceg I, Jean F, Lasgorceix M, Leriche A, Sikirić MD, Marušić K, Christiansen S, Daskalova A. Improvement of Metal-Doped β-TCP Scaffolds for Active Bone Substitutes via Ultra-Short Laser Structuring. Bioengineering (Basel) 2023; 10:1392. [PMID: 38135983 PMCID: PMC10741177 DOI: 10.3390/bioengineering10121392] [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: 09/01/2023] [Revised: 11/06/2023] [Accepted: 11/13/2023] [Indexed: 12/24/2023] Open
Abstract
Various efforts have been made to develop antibacterial biomaterials capable of also sustaining bone remodulation to be used as bone substitutes and reduce patient infection rates and related costs. In this work, beta-tricalcium phosphate (β-TCP) was chosen due to its known biocompatibility and use as a bone substitute. Metal dopants were incorporated into the crystal structure of the β-TCP, and disks were produced from this material. Magnesium and strontium, as well as copper and silver, were chosen as dopants to improve the osteogenic and antibacterial properties, respectively. The surface of the β-TCP samples was further modified using a femtosecond laser system. Grid and line patterns were produced on the plates' surface via laser ablation, creating grooves with depths lower than 20 μm and widths between 20 and 40 μm. Raman and FTIR analysis confirmed that laser ablation did not result in the degradation or phase change of the materials, making it suitable for surface patterning. Laser ablation resulted in increased hydrophilicity of the materials, as the control samples (non-ablated samples) have WCA values ranging from 70° to 93° and become, upon laser ablation, superwicking surfaces. Confocal measurements show an increase in specific surface area of 50% to 200% compared to the control. Overall, the results indicate the potential of laser ablation to improve the surface characteristics of β-TCP, which may lead to an improvement in the antibacterial and osteogenic properties of the produced materials.
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Affiliation(s)
- Íris Soares
- Laboratory of Micro and Nano-Photonics, Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee Blvd, 1784 Sofia, Bulgaria
| | - Lamborghini Sotelo
- Institute for Nanotechnology and Correlative Microscopy vV INAM, Äußere Nürnberger Str. 62, 91301 Forcheim, Germany; (L.S.); (S.C.)
- Friedrich-Alexander University Erlangen-Nürnberg, Staudstraße 7, 91058 Erlangen, Germany
| | - Ina Erceg
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Äußere Nürnberger Str. 62, 91301 Forcheim, Germany;
| | - Florian Jean
- University Polytechnique Hauts-de-France, INSA Hauts-de-France, CERAMATHS—Laboratoire de Matériaux Céramiques et de Mathématiques, F-59313 Valenciennes, France; (F.J.); (M.L.); (A.L.)
| | - Marie Lasgorceix
- University Polytechnique Hauts-de-France, INSA Hauts-de-France, CERAMATHS—Laboratoire de Matériaux Céramiques et de Mathématiques, F-59313 Valenciennes, France; (F.J.); (M.L.); (A.L.)
| | - Anne Leriche
- University Polytechnique Hauts-de-France, INSA Hauts-de-France, CERAMATHS—Laboratoire de Matériaux Céramiques et de Mathématiques, F-59313 Valenciennes, France; (F.J.); (M.L.); (A.L.)
| | - Maja Dutour Sikirić
- Laboratory for Biocolloids and Surface Chemistry, Division of Physical Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia;
| | - Katarina Marušić
- Radiation Chemistry and Dosimetry Laboratory, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia;
| | - Silke Christiansen
- Institute for Nanotechnology and Correlative Microscopy vV INAM, Äußere Nürnberger Str. 62, 91301 Forcheim, Germany; (L.S.); (S.C.)
- Fraunhofer Institute for Ceramic Technologies and Systems IKTS, Äußere Nürnberger Str. 62, 91301 Forcheim, Germany;
- Frei Iniverssität Berlin, Arnimalle 14, 14995 Berlin, Germany
| | - Albena Daskalova
- Laboratory of Micro and Nano-Photonics, Institute of Electronics, Bulgarian Academy of Sciences, 72 Tsarigradsko Chaussee Blvd, 1784 Sofia, Bulgaria
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Thoraval L, Thiébault E, Siboni R, Moniot A, Guillaume C, Jacobs A, Nedelec JM, Renaudin G, Descamps S, Valfort O, Gangloff S, Braux J, Marchat D, Velard F. The acute inflammatory response to copper(II)-doped biphasic calcium phosphates. Mater Today Bio 2023; 23:100814. [PMID: 37841800 PMCID: PMC10568289 DOI: 10.1016/j.mtbio.2023.100814] [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: 06/30/2023] [Revised: 09/05/2023] [Accepted: 09/22/2023] [Indexed: 10/17/2023] Open
Abstract
Infection and inflammation are two key features to consider to avoid septic or aseptic loosening of bone-implanted biomaterials. In this context, various approaches to fine-tune the biomaterial's properties have been studied in order to modulate the crosstalk between immune and skeletal cells. Cation-doping strategies for tuning of calcium phosphates properties has been evidenced as a promising way to control the biomaterial-induced inflammatory process, and thus improving their osteoimmunomodulatory properties. Copper(II) ions are recognized for their antibacterial potential, but the literature on their impact on particulate material-induced acute inflammation is scarce. We synthesized copper(II) ions-doped biphasic calcium phosphate (BCP), intended to exhibit osteoimmunomodulatory properties. We addressed in vitro, for the first time, the inflammatory response of human primary polymorphonuclear neutrophils (PMNs) to copper(II) ions-doped or undoped (BCP) powders, synthesized by an original and robust wet method, in the presence or absence of LPS as a costimulant to mimic an infectious environment. ELISA and zymography allowed us to evidence, in vitro, a specific increase in IL-8 and GRO-α secretion but not MIP-1β, TNF-α, or MMP-9, by PMNs. To assess in vivo relevance of these findings, we used a mouse air pouch model. Thanks to flow cytometry analysis, we highlighted an increased PMN recruitment with the copper(II) ions-doped samples compared to undoped samples. The immunomodulatory effect of copper(II) ions-doped BCP powders and the consequent induced moderate level of inflammation may promote bacterial clearance by PMNs in addition to the antimicrobial potential of the material. Copper(II) doping provides new insights into calcium phosphate (CaP)-based biomaterials for prosthesis coating or bone reconstruction by effectively modulating the inflammatory environment.
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Affiliation(s)
- L. Thoraval
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - E. Thiébault
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - R. Siboni
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - A. Moniot
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - C. Guillaume
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - A. Jacobs
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, ICCF, Clermont-Ferrand, France
| | - J.-M. Nedelec
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, ICCF, Clermont-Ferrand, France
| | - G. Renaudin
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, ICCF, Clermont-Ferrand, France
| | - S. Descamps
- Université Clermont Auvergne, CNRS, Clermont Auvergne INP, ICCF, Clermont-Ferrand, France
| | - O. Valfort
- Mines Saint-Etienne, Univ Lyon, CNRS, UMR 5307 LGF, Centre SPIN, F-42023, Saint-Etienne, France
| | - S.C. Gangloff
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - J. Braux
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
| | - D. Marchat
- Mines Saint-Etienne, Univ Jean Monnet, Etablissement Français du Sang, INSERM, U 1059 Sainbiose, 42023, Saint-Etienne, France
| | - F. Velard
- Université de Reims Champagne-Ardenne, EA4691 “Biomatériaux et Inflammation en site osseux” BIOS, Reims, France
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7
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Vergnaud F, Mekonnen B, El Abbassi A, Vichery C, Nedelec JM. Correlating the Effect of Composition and Textural Properties on Bioactivity for Pristine and Copper-Doped Binary Mesoporous Bioactive Glass Nanoparticles. MATERIALS (BASEL, SWITZERLAND) 2023; 16:6690. [PMID: 37895672 PMCID: PMC10608725 DOI: 10.3390/ma16206690] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/09/2023] [Accepted: 10/12/2023] [Indexed: 10/29/2023]
Abstract
Multifunctional substitutes for bone tissue engineering have gained significant interest in recent years in the aim to address the clinical challenge of treating large bone defects resulting from surgical procedures. Sol-gel mesoporous bioactive glass nanoparticles (MBGNs) have emerged as a promising solution due to their high reactivity and versatility. The effect of calcium content on MBGNs textural properties is well known. However, the relationship between their composition, textural properties, and reactivity has not yet been thoroughly discussed in existing studies, leading to divergent conclusions. In this study, pristine and copper-doped binary MGBNs were synthesized by a modified Stöber method, using a cationic surfactant as pore-templating agent. An opposite evolution between calcium content (12-26 wt%) and specific surface area (909-208 m2/g) was evidenced, while copper introduction (8.8 wt%) did not strongly affect the textural properties. In vitro bioactivity assessments conducted in simulated body fluid (SBF) revealed that the kinetics of hydroxyapatite (HAp) crystallization are mainly influenced by the specific surface area, while the composition primarily controls the quantity of calcium phosphate produced. The MBGNs exhibited a good bioactivity within 3 h, while Cu-MBGNs showed HAp crystallization after 48 h, along with a controlled copper release (up to 84 ppm at a concentration of 1 mg/mL). This comprehensive understanding of the interplay between composition, textural properties, and bioactivity, offers insights for the design of tailored MBGNs for bone tissue regeneration with additional biological and antibacterial effects.
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Affiliation(s)
| | | | | | - Charlotte Vichery
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France
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Korowash SI, Keskin-Erdogan Z, Hemdan BA, Barrios Silva LV, Ibrahim DM, Chau DYS. Selenium- and/or copper-substituted hydroxyapatite: A bioceramic substrate for biomedical applications. J Biomater Appl 2023; 38:351-360. [PMID: 37604458 PMCID: PMC10494480 DOI: 10.1177/08853282231198726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/23/2023]
Abstract
Atomic substitution or doping of a bioceramic material hydroxyapatite (HA) with specific ions is an appealing approach for improving its biocompatibility and activity, as well as imparting antibacterial properties. In this study, selenium- and/or copper-substituted hydroxyapatite powders were synthesized by an aqueous precipitation method and using the freeze-drying technique. The molar concentrations of constituents were calculated based on the proposed mechanism whereby selenium (Se4+) ions partially substitute phosphorus (P5+) sites, and copper (Cu2+) ions partially substitute (Ca2+) sites in the HA lattice. Dried precipitated samples were characterized using Inductively coupled plasma optical emission spectroscopy (ICP-OES), X-ray diffraction analysis (XRD), Fourier-transform infrared spectroscopy (FTIR) and Field-emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FESEM-EDX). Accordingly, substitution of Se4+ and/or Cu2+ ions took place in the crystal lattice of HA without the formation of any impurities. The presence of sulphur (S2-) ions in the hydroxyapatite was detected by ICP-OES in all samples with copper substituted in the lattice. The cytotoxicity of the powders on osteoblastic (MC3T3-E1) cells was evaluated in vitro. Selenium substituted hydroxyapatite (SeHA), at the concentration (200 μg/mL), demonstrated higher populations of the live cells than that of control (cells without powders), suggesting that selenium may stimulate the proliferation of these cells. In addition, the copper substituted hydroxyapatite (CuHA) and the selenium and copper substituted hydroxyapatite (SeCuHA) at the concentrations (200 and 300 μg/mL) and (200 μg/mL), respectively demonstrated better results than the unsubstituted HA. Antimicrobial activity was assessed using a well-diffusion method against Streptococcus mutans and Candida albicans, and superior results has obtained with SeCuHA samples. Presented findings imply that selenium and/or copper substituted modified hydroxyapatite nanoparticles, may be an attractive antimicrobial and cytocompatible substrate to be considered for use in a range of translational applications.
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Affiliation(s)
- Sara I Korowash
- Department of Refractories, Ceramics and Building Materials, National Research Centre, Cairo, Egypt
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, Royal Free Hospital, UCL, London, UK
| | - Zalike Keskin-Erdogan
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, Royal Free Hospital, UCL, London, UK
- Chemical Engineering Department, Imperial College London, London, UK
| | - Bahaa A Hemdan
- Department of Water Pollution Research, National Research Centre, Cairo, Egypt
| | - Lady V Barrios Silva
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, Royal Free Hospital, UCL, London, UK
| | - Doreya M Ibrahim
- Department of Refractories, Ceramics and Building Materials, National Research Centre, Cairo, Egypt
| | - David YS Chau
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, Royal Free Hospital, UCL, London, UK
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9
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Jebapriya M, Venkatesan R, Ansar S, Kim SC. Enhancement of physicochemical characterization of nanocomposites on Ag +/Fe 2+ codoped hydroxyapatite for antibacterial and anticancer properties. Colloids Surf B Biointerfaces 2023; 229:113463. [PMID: 37481804 DOI: 10.1016/j.colsurfb.2023.113463] [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: 05/06/2023] [Revised: 07/13/2023] [Accepted: 07/16/2023] [Indexed: 07/25/2023]
Abstract
The synthesis of nanosized Ag+/Fe2+ codoped hydroxyapatite (HAp) nanocomposite materials with antibacterial and anticancer characteristics is highly attractive for advancing the development of biological applications. The objective of this study was to evaluate the antibacterial and anticancer characteristics of Ag+/Fe2+ codoped hydroxyapatite materials. We developed a facile chemical precipitation method for the fabrication of Ag+/Fe2+:HAp nanocomposites. The developed Ag+/Fe2+:HAp nanocomposite materials were characterized with Fourier transform infrared spectroscopy (FTIR), X-ray powder diffraction (XRD), Raman spectroscopy, and transmission electron microscopy (TEM). For measuring the size of Ag+/Fe2+:HAp nanocomposites, dynamic light scattering (DLS) is an advantageous method. The chemical states and chemical composition of Ag+/Fe2+:HAp were observed by X-ray photoelectron spectroscopy (XPS) analysis. In addition, the antibacterial efficacy of Ag+/Fe2+:HAps against Gram-positive (S.aureus), and Gram-negative (S.typhi, and E.Coli) microorganisms is examined in this current study. Ag+/Fe2+:HAp nanocomposite materials have been evaluated for biological toxicity in vitro, and the results showed that the particles were excellent at identifying and killing cancer cells. In this respect, Ag+/Fe2+:HAp nanocomposites significantly impact human colon cancer cells (HT29) while have no effect on normal fibroblast cells (L929).
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Affiliation(s)
- M Jebapriya
- Department of Chemistry, Mar Ephraem College of Engineering and Technology, Elavuvillai, Marthandam, Tamil Nadu 629171, India
| | - Raja Venkatesan
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea.
| | - Sabah Ansar
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, P.O. Box 10219, Riyadh 11433, Saudi Arabia
| | - Seong-Cheol Kim
- School of Chemical Engineering, Yeungnam University, 280 Daehak-Ro, Gyeongsan 38541, Republic of Korea.
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10
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Synthesis, characterization, and in vitro bioactivity, mechanical strength of silver doped akermanite bioceramic. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2022.110347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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11
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Cianflone E, Brouillet F, Grossin D, Soulié J, Josse C, Vig S, Fernandes MH, Tenailleau C, Duployer B, Thouron C, Drouet C. Toward Smart Biomimetic Apatite-Based Bone Scaffolds with Spatially Controlled Ion Substitutions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13030519. [PMID: 36770480 PMCID: PMC9919144 DOI: 10.3390/nano13030519] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 05/31/2023]
Abstract
Biomimetic apatites exhibit a high reactivity allowing ion substitutions to modulate their in vivo response. We developed a novel approach combining several bioactive ions in a spatially controlled way in view of subsequent releases to address the sequence of events occurring after implantation, including potential microorganisms' colonization. Innovative micron-sized core-shell particles were designed with an external shell enriched with an antibacterial ion and an internal core substituted with a pro-angiogenic or osteogenic ion. After developing the proof of concept, two ions were particularly considered, Ag+ in the outer shell and Cu2+ in the inner core. In vitro evaluations confirmed the cytocompatibility through Ag-/Cu-substituting and the antibacterial properties provided by Ag+. Then, these multifunctional "smart" particles were embedded in a polymeric matrix by freeze-casting to prepare 3D porous scaffolds for bone engineering. This approach envisions the development of a new generation of scaffolds with tailored sequential properties for optimal bone regeneration.
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Affiliation(s)
- Edoardo Cianflone
- CIRIMAT, Université de Toulouse, CNRS, INP-ENSIACET, 31030 Toulouse, France
- CIRIMAT, Université de Toulouse, CNRS, UT3 Paul Sabatier, 31062 Toulouse, France
| | - Fabien Brouillet
- CIRIMAT, Université de Toulouse, CNRS, UT3 Paul Sabatier, 31062 Toulouse, France
| | - David Grossin
- CIRIMAT, Université de Toulouse, CNRS, INP-ENSIACET, 31030 Toulouse, France
| | - Jérémy Soulié
- CIRIMAT, Université de Toulouse, CNRS, INP-ENSIACET, 31030 Toulouse, France
| | - Claudie Josse
- Centre de Microcaractérisation Raimond Castaing, Université de Toulouse, UPS, CNRS, INP, INSA, 31400 Toulouse, France
| | - Sanjana Vig
- Faculdade de Medicina Dentaria, Universidade do Porto, Rua Dr Manuel Pereira da Silva, 4200-393 Porto, Portugal
- LAQV/REQUIMTE, University of Porto, 4160-007 Porto, Portugal
| | - Maria Helena Fernandes
- Faculdade de Medicina Dentaria, Universidade do Porto, Rua Dr Manuel Pereira da Silva, 4200-393 Porto, Portugal
- LAQV/REQUIMTE, University of Porto, 4160-007 Porto, Portugal
| | | | - Benjamin Duployer
- CIRIMAT, Université de Toulouse, CNRS, UT3 Paul Sabatier, 31062 Toulouse, France
| | - Carole Thouron
- CIRIMAT, Université de Toulouse, CNRS, INP-ENSIACET, 31030 Toulouse, France
| | - Christophe Drouet
- CIRIMAT, Université de Toulouse, CNRS, INP-ENSIACET, 31030 Toulouse, France
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12
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Tuntun SM, Sahadat Hossain M, Uddin MN, Shaikh MAA, Bahadur NM, Ahmed S. Crystallographic characterization and application of copper doped hydroxyapatite as a biomaterial. NEW J CHEM 2023. [DOI: 10.1039/d2nj04130h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Cu-doped hydroxyapatite is synthesized from eggshell and its suitability as a potential biomaterial is examined via cytotoxicity, haemolysis and antibacterial activity.
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Affiliation(s)
- Supanna Malek Tuntun
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Sientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Md. Sahadat Hossain
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Sientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
| | - Md. Najem Uddin
- BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
| | - Md. Aftab Ali Shaikh
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Sientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
- BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
- Department of Chemistry, University of Dhaka, Dhaka-1000, Bangladesh
| | - Newaz Mohammed Bahadur
- Department of Applied Chemistry and Chemical Engineering, Noakhali Science and Technology University, Noakhali, Bangladesh
| | - Samina Ahmed
- Institute of Glass & Ceramic Research and Testing, Bangladesh Council of Sientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
- BCSIR Laboratories Dhaka, Bangladesh Council of Scientific and Industrial Research (BCSIR), Dhaka 1205, Bangladesh
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13
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Korowash SI, Sharifulden NSN, Ibrahim DM, Chau DY. Novel selenium and/or copper substituted hydroxyapatite-gelatin-chitosan-eggshell membrane nanocomposite scaffolds for bone tissue engineering applications. J Appl Biomater Funct Mater 2023; 21:22808000231187959. [PMID: 37776108 DOI: 10.1177/22808000231187959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2023] Open
Abstract
Limitations with the majority of bone therapeutic treatments include low availability, ethical constraints and low biological compatibility. Although a number of choice materials have been exploited successfully, there has always been scope for improvement as well as development of the next-generation of materials. Herein, scaffolds - developed from gelatin, chitosan and eggshell membranes - were crosslinked using tannic acid, and further infused with selenium and/or copper substituted hydroxyapatite nanoparticles to generate a novel nanocomposite substrate. FESEM images of the nanocomposite scaffolds revealed the presence of interconnected pores, mostly spread over the whole surface of the scaffold, alongside XRD and FTIR profiling that detailed the formation of hydroxyapatite as a sole phase. Moreover, physical characterisation of the nanocomposite confirmed that the hydroxyapatite particulates and the eggshell membrane fibres were uniformly distributed and contributed to the surface roughness of the scaffold. Biocompatibility and cytotoxicity of the novel constructs were assessed using the mouse-derived osteoblastic cell line, MC3T3-E1, and standard cell culture assays. Metabolic activity assessment (i.e. MTS assay), LDH-release profiles and Live/Dead staining demonstrated good cell adhesion, viability, and proliferation rates. Accordingly, this work summarises the successful development of a novel construct which may be exploited as a clinical/therapeutic treatment for bone repair as well as a possible translational application as a novel biomaterial for the drug development pipeline.
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Affiliation(s)
- Sara Ibrahim Korowash
- Department of Ceramics, National Research Centre, Cairo, Egypt
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
| | - Nik Sa Nik Sharifulden
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
| | | | - David Ys Chau
- Division of Biomaterials and Tissue Engineering, Eastman Dental Institute, UCL, London, UK
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14
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Koushik TM, Miller CM, Antunes E. Bone Tissue Engineering Scaffolds: Function of Multi-Material Hierarchically Structured Scaffolds. Adv Healthc Mater 2022; 12:e2202766. [PMID: 36512599 DOI: 10.1002/adhm.202202766] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/29/2022] [Indexed: 12/15/2022]
Abstract
Bone tissue engineering (BTE) is a topic of interest for the last decade, and advances in materials, processing techniques, and the understanding of bone healing pathways have opened new avenues of research. The dual responsibility of BTE scaffolds in providing load-bearing capability and interaction with the local extracellular matrix to promote bone healing is a challenge in synthetic scaffolds. This article describes the usage and processing of multi-materials and hierarchical structures to mimic the structure of natural bone tissues to function as bioactive and load-bearing synthetic scaffolds. The first part of this literature review describes the physiology of bone healing responses and the interactions at different stages of bone repair. The following section reviews the available literature on biomaterials used for BTE scaffolds followed by some multi-material approaches. The next section discusses the impact of the scaffold's structural features on bone healing and the necessity of a hierarchical distribution in the scaffold structure. Finally, the last section of this review highlights the emerging trends in BTE scaffold developments that can inspire new tissue engineering strategies and truly develop the next generation of synthetic scaffolds.
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Affiliation(s)
- Tejas M Koushik
- College of Science and Engineering, James Cook University, Townsville, Queensland, 4811, Australia
| | - Catherine M Miller
- College of Medicine and Dentistry, James Cook University, Smithfield, Queensland, 4878, Australia
| | - Elsa Antunes
- College of Science and Engineering, James Cook University, Townsville, Queensland, 4811, Australia
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15
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Prosolov KA, Lastovka VV, Khimich MA, Chebodaeva VV, Khlusov IA, Sharkeev YP. RF Magnetron Sputtering of Substituted Hydroxyapatite for Deposition of Biocoatings. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6828. [PMID: 36234169 PMCID: PMC9573009 DOI: 10.3390/ma15196828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 09/23/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Functionalization of titanium (Ti)-based alloy implant surfaces by deposition of calcium phosphates (CaP) has been widely recognized. Substituted hydroxyapatites (HA) allow the coating properties to be tailored based on the use of different Ca substitutes. The formation of antibacterial CaP coatings with the incorporation of Zn or Cu by an RF magnetron sputtering is proposed. The influence of RF magnetron targets elemental composition and structure in the case of Zn-HA and Cu-HA, and the influence of substrate's grain size, the substrate's temperature during the deposition, and post-deposition heat treatment (HT) on the resulting coatings are represented. Sintering the targets at 1150 °C resulted in a noticeable structural change with an increase in cell volume and lattice parameters for substituted HA. The deposition rate of Cu-HA and Zn-HA was notably higher compared to stochiometric HA (10.5 and 10) nm/min vs. 9 ± 0.5 nm/min, respectively. At the substrate temperature below 100 °C, all deposited coatings were found to be amorphous with an atomic short-range order corresponding to the {300} plane of crystalline HA. All deposited coatings were found to be hyper-stochiometric with Ca/P ratios varying from 1.9 to 2.5. An increase in the substrate temperature to 200 °C resulted in the formation of equiaxed grain structure on both coarse-grained (CG) and nanostructured (NS) Ti. The use of NS Ti notably increased the scratch resistance of the deposited coatings from18 ± 1 N to 22 ± 2 N. Influence of HT in air or Ar atmosphere is also discussed. Thus, the deposition of Zn- or Cu-containing CaP is a complex process that could be fine-tuned using the obtained research results.
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Affiliation(s)
- Konstantin A. Prosolov
- Laboratory of Physics of Nanostructured Biocomposites, Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
| | - Vladimir V. Lastovka
- Laboratory of Physics of Nanostructured Biocomposites, Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
| | - Margarita A. Khimich
- Laboratory of Physics of Nanostructured Biocomposites, Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
| | - Valentina V. Chebodaeva
- Laboratory of Physics of Nanostructured Biocomposites, Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 634050 Tomsk, Russia
| | - Igor A. Khlusov
- Laboratory of Cellular and Microfluidic Technologies, Siberian State Medical University, 634050 Tomsk, Russia
| | - Yurii P. Sharkeev
- Laboratory of Physics of Nanostructured Biocomposites, Institute of Strength Physics and Materials Science, Siberian Branch of Russian Academy of Sciences, 634055 Tomsk, Russia
- Research School of High-Energy Physics, National Research Tomsk Polytechnic University, Lenin Avenue 30, 634050 Tomsk, Russia
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16
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Antibiofilm Activity of Biocide Metal Ions Containing Bioactive Glasses (BGs): A Mini Review. Bioengineering (Basel) 2022; 9:bioengineering9100489. [PMID: 36290457 PMCID: PMC9598244 DOI: 10.3390/bioengineering9100489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 09/16/2022] [Accepted: 09/18/2022] [Indexed: 11/16/2022] Open
Abstract
One of the major clinical issues during the implantation procedure is the bacterial infections linked to biofilms. Due to their tissue localization and the type of bacteria involved, bacterial infections at implant sites are usually difficult to treat, which increases patient morbidity and even mortality. The difficulty of treating biofilm-associated infections and the emergence of multidrug-resistant bacteria are further challenges for the scientific community to develop novel biomaterials with excellent biocompatibility and antibacterial properties. Given their ability to stimulate bone formation and have antibacterial properties, metal ion-doped bioactive glasses (BGs) have received considerable research. This mini review aims to be successful in presenting the developments made about the role of biocide metal ions incorporated into BGs against the development of bacterial biofilms and the spread of nosocomial diseases.
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17
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Bulina NV, Eremina NV, Vinokurova OB, Ishchenko AV, Chaikina MV. Diffusion of Copper Ions in the Lattice of Substituted Hydroxyapatite during Heat Treatment. MATERIALS (BASEL, SWITZERLAND) 2022; 15:5759. [PMID: 36013896 PMCID: PMC9415723 DOI: 10.3390/ma15165759] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
The doping of hydroxyapatite with various substituent ions can give this material new and useful properties. Nonetheless, local distortions of structure after doping can change the properties of the material. In this work, the thermal stability of copper-substituted hydroxyapatite synthesized by the mechanochemical method was investigated. In situ diffraction analyses showed that copper ion diffusion during the heating of Cu-substituted hydroxyapatite promotes phase transformations in the substituted hydroxyapatite. The behavior of copper ions was studied in samples with ratios (Ca + Cu)/P = 1.75 and 1.67. It was found that in both cases, single-phase Cu-substituted hydroxyapatite with the general formula Ca10-xCux(PO4)6-y(CO3)y(OH)2-yOy is formed by the mechanochemical synthesis. When heated at approximately 600-700 °C, the lattice loses copper cations, but at higher temperatures, CuO diffusion into the hydroxyl channel takes place. Cuprate-substituted hydroxyapatite with the general formula Ca10(PO4)6(OH)2-2x(CuO2)x forms in this context. At 1200 °C, the sample is single-phase at (Ca + Cu)/P = 1.75. Nonetheless, slow cooling of the material leads to the emergence of a CuO phase, as in the case of (Ca + Cu)/P = 1.67, where the material contains not only CuO but also Cu-substituted tricalcium phosphate. In the manufacture of ceramic products from Cu-substituted hydroxyapatite, these structural transformations must be taken into account, as they alter not only thermal but also biological properties of such materials.
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Affiliation(s)
- Natalia V. Bulina
- Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, Kutateladze Str. 18, 630128 Novosibirsk, Russia
| | - Natalya V. Eremina
- Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, Kutateladze Str. 18, 630128 Novosibirsk, Russia
| | - Olga B. Vinokurova
- Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, Kutateladze Str. 18, 630128 Novosibirsk, Russia
| | - Arcady V. Ishchenko
- G.K. Boreskov Institute of Catalysis, Siberian Branch of Russian Academy of Sciences, Pr. Akad. Lavrentieva 5, 630090 Novosibirsk, Russia
| | - Marina V. Chaikina
- Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch of the Russian Academy of Sciences, Kutateladze Str. 18, 630128 Novosibirsk, Russia
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18
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Wei H, Song X, Liu P, Liu X, Yan X, Yu L. Antimicrobial coating strategy to prevent orthopaedic device-related infections: recent advances and future perspectives. BIOMATERIALS ADVANCES 2022; 135:212739. [PMID: 35929213 DOI: 10.1016/j.bioadv.2022.212739] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/24/2022] [Accepted: 02/25/2022] [Indexed: 06/15/2023]
Abstract
The rapid development of multidrug-resistant (MDR) bacteria and biofilm-related infections (BRIs) has urgently called for new strategies to combat severe orthopaedic device-related infections (ODRIs). Antimicrobial coating has emerged as a promising strategy in halting the incidence of ODRIs and treating ODRIs in long term. With the advancement of material science and biotechnology, numerous antimicrobial coatings have been reported in literature, showing superior antimicrobial and osteogenic functions. This review has specifically discussed the currently developed antimicrobial coatings in the perspective of drug release from the coating system, focusing on their realization of controlled and on demand antimicrobial agents release, as well as multi-functionality. Acknowledging the multidisciplinary nature of antimicrobial coating, the conceptual design, the deposition method and the therapeutic effect of the antimicrobial coatings have been described in detail and discussed critically. Particularly, the challenges and opportunities on the way toward the clinical translation of antimicrobial coatings have been highlighted.
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Affiliation(s)
- Huichao Wei
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Xinyu Song
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.
| | - Pengyan Liu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Xiaohu Liu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Xuefeng Yan
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China
| | - Liangmin Yu
- Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education College of Chemistry and Chemical Engineering, Ocean University of China, Qingdao 266100, China.
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19
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Application of Copper Nanoparticles in Dentistry. NANOMATERIALS 2022; 12:nano12050805. [PMID: 35269293 PMCID: PMC8912653 DOI: 10.3390/nano12050805] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 02/07/2023]
Abstract
Nanoparticles based on metal and metallic oxides have become a novel trend for dental applications. Metal nanoparticles are commonly used in dentistry for their exclusive shape-dependent properties, including their variable nano-sizes and forms, unique distribution, and large surface-area-to-volume ratio. These properties enhance the bio-physio-chemical functionalization, antimicrobial activity, and biocompatibility of the nanoparticles. Copper is an earth-abundant inexpensive metal, and its nanoparticle synthesis is cost effective. Copper nanoparticles readily intermix and bind with other metals, ceramics, and polymers, and they exhibit physiochemical stability in the compounds. Hence, copper nanoparticles are among the commonly used metal nanoparticles in dentistry. Copper nanoparticles have been used to enhance the physical and chemical properties of various dental materials, such as dental amalgam, restorative cements, adhesives, resins, endodontic-irrigation solutions, obturation materials, dental implants, and orthodontic archwires and brackets. The objective of this review is to provide an overview of copper nanoparticles and their applications in dentistry.
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Sobierajska P, Nowak N, Rewak-Soroczynska J, Targonska S, Lewińska A, Grosman L, Wiglusz RJ. Investigation of topography effect on antibacterial properties and biocompatibility of nanohydroxyapatites activated with zinc and copper ions: In vitro study of colloids, hydrogel scaffolds and pellets. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 134:112547. [DOI: 10.1016/j.msec.2021.112547] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 10/19/2021] [Accepted: 11/08/2021] [Indexed: 12/30/2022]
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21
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Liu X, Wu Y, Zhao X, Wang Z. Fabrication and applications of bioactive chitosan-based organic-inorganic hybrid materials: A review. Carbohydr Polym 2021; 267:118179. [PMID: 34119147 DOI: 10.1016/j.carbpol.2021.118179] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 03/03/2021] [Accepted: 04/30/2021] [Indexed: 01/16/2023]
Abstract
Organic-inorganic hybrid materials like bone, shells, and teeth can be found in nature, which are usually composed of biomacromolecules and nanoscale inorganic ingredients. Synergy of organic-inorganic components in hybrid materials render them outstanding and versatile performance. Chitosan is commonly used organic materials in bionic hybrid materials since its bioactive properties and could be controllable tailored by various means to meet complex conditions in different applications. Among these fabrication means, hybridization was favored for its convenience and efficiency. This review discusses three kinds of chitosan-based hybrid materials: hybridized with hydroxyapatite, calcium carbonate, and clay respectively, which are the representative of phosphate, carbonate, and hydrous aluminosilicates. Here, we reported the latest developments of the preparation methods, composition, structure and applications of these bioactive hybrid materials, especially in the biomedical field. Despite the great progress was made in bioactive organic-inorganic hybrid materials based on chitosan, some challenges and specific directions are still proposed for future development in this review.
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Affiliation(s)
- Xiaoyang Liu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yuxuan Wu
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Xinchen Zhao
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Zhengke Wang
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, China.
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22
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Bădilă AE, Rădulescu DM, Niculescu AG, Grumezescu AM, Rădulescu M, Rădulescu AR. Recent Advances in the Treatment of Bone Metastases and Primary Bone Tumors: An Up-to-Date Review. Cancers (Basel) 2021; 13:4229. [PMID: 34439383 PMCID: PMC8392383 DOI: 10.3390/cancers13164229] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2021] [Revised: 08/14/2021] [Accepted: 08/20/2021] [Indexed: 12/13/2022] Open
Abstract
In the last decades, the treatment of primary and secondary bone tumors has faced a slow-down in its development, being mainly based on chemotherapy, radiotherapy, and surgical interventions. However, these conventional therapeutic strategies present a series of disadvantages (e.g., multidrug resistance, tumor recurrence, severe side effects, formation of large bone defects), which limit their application and efficacy. In recent years, these procedures were combined with several adjuvant therapies, with different degrees of success. To overcome the drawbacks of current therapies and improve treatment outcomes, other strategies started being investigated, like carrier-mediated drug delivery, bone substitutes for repairing bone defects, and multifunctional scaffolds with bone tissue regeneration and antitumor properties. Thus, this paper aims to present the types of bone tumors and their current treatment approaches, further focusing on the recent advances in new therapeutic alternatives.
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Affiliation(s)
- Adrian Emilian Bădilă
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
| | - Dragoș Mihai Rădulescu
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
| | - Adelina-Gabriela Niculescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.-G.N.); (A.M.G.)
| | - Alexandru Mihai Grumezescu
- Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.-G.N.); (A.M.G.)
- Research Institute of the University of Bucharest—ICUB, University of Bucharest, 050657 Bucharest, Romania
- Academy of Romanian Scientists, 3 Ilfov Street, 50044 Bucharest, Romania
| | - Marius Rădulescu
- Department of Inorganic Chemistry, Physical Chemistry and Electrochemistry, University Politehnica of Bucharest, 1-7 Polizu St., 011061 Bucharest, Romania
| | - Adrian Radu Rădulescu
- “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania; (A.E.B.); (D.M.R.); (A.R.R.)
- Department of Orthopedics and Traumatology, Bucharest University Hospital, 050098 Bucharest, Romania
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23
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Czechowska J, Cichoń E, Belcarz A, Ślósarczyk A, Zima A. Effect of Gold Nanoparticles and Silicon on the Bioactivity and Antibacterial Properties of Hydroxyapatite/Chitosan/Tricalcium Phosphate-Based Biomicroconcretes. MATERIALS 2021; 14:ma14143854. [PMID: 34300772 PMCID: PMC8304576 DOI: 10.3390/ma14143854] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 06/30/2021] [Accepted: 07/06/2021] [Indexed: 12/01/2022]
Abstract
Bioactive, chemically bonded bone substitutes with antibacterial properties are highly recommended for medical applications. In this study, biomicroconcretes, composed of silicon modified (Si-αTCP) or non-modified α-tricalcium phosphate (αTCP), as well as hybrid hydroxyapatite/chitosan granules non-modified and modified with gold nanoparticles (AuNPs), were designed. The developed biomicroconcretes were supposed to combine the dual functions of antibacterial activity and bone defect repair. The chemical and phase composition, microstructure, setting times, mechanical strength, and in vitro bioactive potential of the composites were examined. Furthermore, on the basis of the American Association of Textile Chemists and Colorists test (AATCC 100), adapted for chemically bonded materials, the antibacterial activity of the biomicroconcretes against S. epidermidis, E. coli, and S. aureus was evaluated. All biomicroconcretes were surgically handy and revealed good adhesion between the hybrid granules and calcium phosphate-based matrix. Furthermore, they possessed acceptable setting times and mechanical properties. It has been stated that materials containing AuNPs set faster and possess a slightly higher compressive strength (3.4 ± 0.7 MPa). The modification of αTCP with silicon led to a favorable decrease of the final setting time to 10 min. Furthermore, it has been shown that materials modified with AuNPs and silicon possessed an enhanced bioactivity. The antibacterial properties of all of the developed biomicroconcretes against the tested bacterial strains due to the presence of both chitosan and Au were confirmed. The material modified simultaneously with AuNPs and silicon seems to be the most promising candidate for further biological studies.
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Affiliation(s)
- Joanna Czechowska
- Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland; (E.C.); (A.Ś.)
- Correspondence: (J.C.); (A.Z.)
| | - Ewelina Cichoń
- Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland; (E.C.); (A.Ś.)
| | - Anna Belcarz
- Chair and Department of Biochemistry and Biotechnology, Medical University in Lublin, Chodzki 1, 20-093 Lublin, Poland;
| | - Anna Ślósarczyk
- Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland; (E.C.); (A.Ś.)
| | - Aneta Zima
- Department of Ceramics and Refractories, Faculty of Materials Science and Ceramics, AGH University of Science and Technology, Mickiewicza 30 Av., 30-059 Krakow, Poland; (E.C.); (A.Ś.)
- Correspondence: (J.C.); (A.Z.)
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Jacobs A, Renaudin G, Charbonnel N, Nedelec JM, Forestier C, Descamps S. Copper-Doped Biphasic Calcium Phosphate Powders: Dopant Release, Cytotoxicity and Antibacterial Properties. MATERIALS 2021; 14:ma14092393. [PMID: 34064435 PMCID: PMC8124198 DOI: 10.3390/ma14092393] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 04/19/2021] [Accepted: 05/02/2021] [Indexed: 11/25/2022]
Abstract
Cytotoxicity and antibacterial properties associated with the dopant release of Cu-doped Biphasic Calcium Phosphate (BCP) powders, mainly composed of hydroxyapatite mixed with β-tricalcium phosphate powders, were investigated. Twelve BCP ceramics were synthesized at three different sintering temperatures (600 °C, 900 °C and 1200 °C) and four copper doping rates (x = 0.0, 0.05, 0.10 and 0.20, corresponding to the stoichiometric amount of copper in Ca10Cux(PO4)6(OH)2-2xO2x). Cytotoxicity assessments of Cu-doped BCP powders, using MTT assay with human-Mesenchymal Stem Cells (h-MSCs), indicated no cytotoxicity and the release of less than 12 ppm of copper into the biological medium. The antibacterial activity of the powders was determined against both Gram-positive (methicillin-sensitive (MS) and methicillin resistant (MR) Staphylococcus aureus) and Gram-negative (Escherichia coli and Pseudomonas aeruginosa) bacteria. The Cu-doped biomaterials exhibited a strong antibacterial activity against MSSA, MRSA and E. coli, releasing approximatively 2.5 ppm after 24 h, whereas 10 ppm were required to induce an antibacterial effect against P. aeruginosa. This study also demonstrated that the culture medium used during experiments can directly impact the antibacterial effect observed; only 4 ppm of Cu2+ were effective for killing all the bacteria in a 1:500 diluted TS medium, whereas 20 ppm were necessary to achieve the same result in a rich, non-diluted standard marrow cell culture medium.
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Affiliation(s)
- Aurélie Jacobs
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France; (A.J.); (J.-M.N.)
| | - Guillaume Renaudin
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France; (A.J.); (J.-M.N.)
- Correspondence:
| | - Nicolas Charbonnel
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Genome et Environnement, F-63000 Clermont-Ferrand, France; (N.C.); (C.F.)
| | - Jean-Marie Nedelec
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, ICCF, F-63000 Clermont-Ferrand, France; (A.J.); (J.-M.N.)
| | - Christiane Forestier
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Genome et Environnement, F-63000 Clermont-Ferrand, France; (N.C.); (C.F.)
| | - Stéphane Descamps
- Université Clermont Auvergne, Clermont Auvergne INP, CNRS, CHU Clermont, ICCF, F-63000 Clermont-Ferrand, France;
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25
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Features of solid-phase mechanochemical synthesis of hydroxyapatite doped by copper and zinc ions. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.121973] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Zhang X, Lu X, Lv Y, Yang L, Zhang E, Dong Z. Enhancement of Corrosion Resistance and Biological Performances of Cu-Incorporated Hydroxyapatite/TiO 2 Coating by Adjusting Cu Chemical Configuration and Hydroxyapatite Contents. ACS APPLIED BIO MATERIALS 2021. [DOI: 10.1021/acsabm.0c01390] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Xinxin Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan 430074, P. R. China
| | - Xueqin Lu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan 430074, P. R. China
| | - You Lv
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan 430074, P. R. China
| | - Lei Yang
- School of Materials and Metallurgy, Northeastern University, Shenyang 110819, P. R. China
| | - Erlin Zhang
- School of Materials and Metallurgy, Northeastern University, Shenyang 110819, P. R. China
| | - Zehua Dong
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Hongshan District, Wuhan 430074, P. R. China
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Palierse E, Hélary C, Krafft JM, Génois I, Masse S, Laurent G, Alvarez Echazu MI, Selmane M, Casale S, Valentin L, Miche A, Chan BC, Lau CB, Ip M, Desimone MF, Coradin T, Jolivalt C. Baicalein-modified hydroxyapatite nanoparticles and coatings with antibacterial and antioxidant properties. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 118:111537. [DOI: 10.1016/j.msec.2020.111537] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 08/31/2020] [Accepted: 09/17/2020] [Indexed: 12/11/2022]
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Shi H, Ye X, Zhang J, Wu T, Yu T, Zhou C, Ye J. A thermostability perspective on enhancing physicochemical and cytological characteristics of octacalcium phosphate by doping iron and strontium. Bioact Mater 2020; 6:1267-1282. [PMID: 33210024 PMCID: PMC7653209 DOI: 10.1016/j.bioactmat.2020.10.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 10/14/2020] [Accepted: 10/25/2020] [Indexed: 01/09/2023] Open
Abstract
Investigation of thermostability will lead the groundbreaking of unraveling the mechanism of influence of ion-doping on the properties of calcium phosphates. In this work, octacalcium phosphate (OCP), a metastable precursor of biological apatite, was used as a stability model for doping ions (Fe3+ and Sr2+) with different ionic charges and radii. After treated under hot air at different temperatures (110–200 °C), the phase, morphology, structure, physicochemical properties, protein affinity, ions release, and cytological responses of the ion-doped OCPs were investigated comparatively. The results showed that the collapse of OCP crystals gradually occurred, accompanying with the dehydration of hydrated layers and the disintegration of plate-like crystals as the temperature increased. The collapsed crystals still retained the typical properties of OCP and the potential of conversion into hydroxyapatite. Compared to the undoped OCP, Fe-OCP, and Sr-OCP had lower and higher thermostability respectively, leading to different material surface properties and ions release. The adjusted thermostability of Fe-OCP and Sr-OCP significantly enhanced the adsorption of proteins (BSA and LSZ) and the cytological behavior (adhesion, spreading, proliferation, and osteogenic differentiation) of bone marrow mesenchymal stem cells to a varying extent under the synergistic effects of corresponding surface characteristics and early active ions release. This work paves the way for understanding the modification mechanism of calcium phosphates utilizing ion doping strategy and developing bioactive OCP-based materials for tissue repair. OCP was used as a stability model for doping ions with different charges and radii. Collapse of OCP crystals occurred with structural dehydration after heat treatment. Fe and Sr doping altered the thermostability of OCP crystals in an opposite way. The thermostable difference affected the surface properties and ion release of OCP. Active surface and ion release of OCP synergistically mediated its biocompatibility.
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Affiliation(s)
- Haishan Shi
- School of Stomatology, Jinan University, Guangzhou, 510632, China.,National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Xiaoling Ye
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Jing Zhang
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
| | - Tingting Wu
- National Engineering Research Center for Healthcare Devices, Guangdong Institute of Medical Instruments, Guangdong Academy of Sciences, Guangzhou, 510500, China
| | - Tao Yu
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Changren Zhou
- College of Chemistry and Materials Science, Jinan University, Guangzhou, 510632, China
| | - Jiandong Ye
- National Engineering Research Center for Tissue Restoration and Reconstruction, South China University of Technology, Guangzhou, 510006, China.,School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510640, China
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Bohner M, Santoni BLG, Döbelin N. β-tricalcium phosphate for bone substitution: Synthesis and properties. Acta Biomater 2020; 113:23-41. [PMID: 32565369 DOI: 10.1016/j.actbio.2020.06.022] [Citation(s) in RCA: 216] [Impact Index Per Article: 54.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/21/2020] [Accepted: 06/12/2020] [Indexed: 12/17/2022]
Abstract
β-tricalcium phosphate (β-TCP) is one the most used and potent synthetic bone graft substitute. It is not only osteoconductive, but also osteoinductive. These properties, combined with its cell-mediated resorption, allow full bone defects regeneration. Its clinical outcome is sometimes considered to be "unpredictable", possibly due to a poor understanding of β-TCP physico-chemical properties: β-TCP crystallographic structure is not fully uncovered; recent results suggest that sintered β-TCP is coated with a Ca-rich alkaline phase; β-TCP apatite-forming ability and osteoinductivity may be enhanced by a hydrothermal treatment; β-TCP grain size and porosity are strongly modified by the presence of minute amounts of β-calcium pyrophosphate or hydroxyapatite impurities. The aim of the present article is to provide a critical, but still rather comprehensive review of the current state of knowledge on β-TCP, with a strong focus on its synthesis and physico-chemical properties, and their link to the in vivo response. STATEMENT OF SIGNIFICANCE: The present review documents the richness, breadth, and interest of the research devoted to β-tricalcium phosphate (β-TCP). β-TCP is synthetic, osteoconductive, osteoinductive, and its resorption is cell-mediated, thus making it one of the most potent bone graft substitutes. This comprehensive review reveals that there are a number of aspects, such as surface chemistry, crystallography, or stoichiometry deviations, that are still poorly understood. As such, β-TCP is still an exciting scientific playground despite a 50 year long history and > 200 yearly publications.
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Farag MM, Ahmed MM, Abdallah NM, Swieszkowski W, Shehabeldine AM. The combined antibacterial and anticancer properties of nano Ce-containing Mg-phosphate ceramic. Life Sci 2020; 257:117999. [PMID: 32585244 DOI: 10.1016/j.lfs.2020.117999] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 06/14/2020] [Accepted: 06/19/2020] [Indexed: 12/13/2022]
Abstract
AIM This paper was mainly aimed at synthesis of Ce-containing nano-Mg-phosphate ceramic as a multifunctional material. MATERIALS AND METHODS Two ceramics based on Mg3(PO4)2 and Ce0.2Mg2.8(PO4)2 formulas (MP and MP-C, respectively) were synthesized. The synthesized powders were characterized by XRD, TEM, Zeta potential, and FTIR. Also, their dissolution behavior was tested in Tris-HCl buffer solution. Moreover, the antimicrobial efficacy was evaluated against gram-positive bacteria (Bacillus sphaericus MTCC 511 &Staphylococcus aureus MTCC 87) and gram-negative bacteria (Enterobacter aerogenes MTCC 111 &Pseudomonas aeruginosa MTCC 1034) using dick diffusion assay and microdilution method. Furthermore, the cell viability test was performed for the ceramics on Vero cells (African green monkey kidney cells), and their antitumor activity was determined by PC3 cell line (prostatic cancer). Also, the cellular uptake was determined by the flow cytometry. KEY FINDINGS The results showed that the substitution of Mg by Ce decreased the particle size from 40 to 90 nm for MP sample to 2-10 nm for MP-C sample and increased the degradation rate. Both samples showed excellent antimicrobial activities. Moreover, MP demonstrated more cell viability than MP-C on Vero cells at high concentrations, whereas, MP-C showed more antitumor activity on PC3 cells than MP sample. Moreover, MP-C showed a higher cell uptake than MP due to its smaller size and more negative charge. SIGNIFICANCE Mg-phosphate ceramic can be used in this study successfully as a delivery system for cerium ions and showed a high antitumor activity, which makes it highly recommended as safe and effective cancer treatment materials.
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Affiliation(s)
- Mohammad M Farag
- Glass Research Department, National Research Centre, 33 El-Behooth Str., 12622 Dokki, Cairo, Egypt.
| | - Manar M Ahmed
- Glass Research Department, National Research Centre, 33 El-Behooth Str., 12622 Dokki, Cairo, Egypt
| | - Nehal M Abdallah
- Microbiology Department, Faculty of Science, Alazhar University, Nasr City, 11651, Cairo, Egypt
| | - W Swieszkowski
- Biomaterials Group, Faculty of Materials Science and Engineering, Warsaw University of Technology, 02-507 Warsaw, Poland
| | - Amr M Shehabeldine
- Department of Botany and Microbiology, Faculty of Science (Boys), Al-Azhar University, Nasr City, Cairo 11884, Egypt
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Narayanan V, Sumathi S, Narayanasamy ANR. Tricomponent composite containing copper–hydroxyapatite/chitosan/polyvinyl pyrrolidone for bone tissue engineering. J Biomed Mater Res A 2020; 108:1867-1880. [DOI: 10.1002/jbm.a.36950] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Revised: 03/03/2020] [Accepted: 03/09/2020] [Indexed: 12/17/2022]
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32
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Hui Y, Dong Z, Wenkun P, Yao D, Huichang G, Tongxiang L. Facile synthesis of copper doping hierarchical hollow porous hydroxyapatite beads by rapid gelling strategy. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110531. [PMID: 32228968 DOI: 10.1016/j.msec.2019.110531] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 12/02/2019] [Accepted: 12/05/2019] [Indexed: 11/24/2022]
Abstract
Calcium phosphate based ceramic materials are widely used in bone tissue engineering. Till now, it remains an unmet challenge to construct monodispersed hollow porous calcium phosphate beads through facile and scalable-production strategy. Herein, a rapid gelling strategy is used to combine the guar gum and metal hydroxide, which helps to prepare hollow hierarchical porous hydroxyapatite beads. Results show that the concentration of copper ions and calcination temperature greatly affect the microstructure transformation of the product. Higher concentrations of copper ions lead to the growth of hollow structures, and these ceramic beads exhibit excellent biocompatibility and antibacterial properties. The structure evolution of the products is systematically investigated, and a formation mechanism has been proposed.
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Affiliation(s)
- Yang Hui
- School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, China; Engineering Research Center for Hydrogen Energy Materials and Devices, Jiangxi University of Science and Technology, Ganzhou, China
| | - Zhang Dong
- School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, China
| | - Peng Wenkun
- School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, China
| | - Di Yao
- School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, China
| | - Gao Huichang
- School of Medicine, South China University of Technology, Guangzhou 510006, China; National Engineering Research Centre for Tissue Restoration and Reconstruction, Guangzhou 510006, China.
| | - Liang Tongxiang
- School of Materials Science and Engineering, Jiangxi University of Science and Technology, Ganzhou, China; Engineering Research Center for Hydrogen Energy Materials and Devices, Jiangxi University of Science and Technology, Ganzhou, China.
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Zinc and chromium co-doped calcium hydroxyapatite: Sol-gel synthesis, characterization, behaviour in simulated body fluid and phase transformations. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2020.121202] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Abstract
Surface modification of orthopedic and dental implants has been demonstrated to be an effective strategy to accelerate bone healing at early implantation times. Among the different alternatives, coating implants with a layer of hydroxyapatite (HAp) is one of the most used techniques, due to its excellent biocompatibility and osteoconductive behavior. The composition and crystalline structure of HAp allow for numerous ionic substitutions that provide added value, such as antibiotic properties or osteoinduction. In this article, we will review and critically analyze the most important advances in the field of substituted hydroxyapatite coatings. In recent years substituted HAp coatings have been deposited not only on orthopedic prostheses and dental implants, but also on macroporous scaffolds, thus expanding their applications towards bone regeneration therapies. Besides, the capability of substituted HAps to immobilize proteins and growth factors by non-covalent interactions has opened new possibilities for preparing hybrid coatings that foster bone healing processes. Finally, the most important in vivo outcomes will be discussed to understand the prospects of substituted HAp coatings from a clinical point of view.
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Affiliation(s)
- Daniel Arcos
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital 12 de Octubre i + 12, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain. and CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
| | - María Vallet-Regí
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Instituto de Investigación Sanitaria del Hospital 12 de Octubre i + 12, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain. and CIBER de Bioingeniería Biomateriales y Nanomedicina (CIBER-BBN), Spain
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35
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A Novel Design to Enhance the Mechanical Properties in Cu-Bearing Antibacterial Stainless Steel. MATERIALS 2020; 13:ma13020403. [PMID: 31952284 PMCID: PMC7013847 DOI: 10.3390/ma13020403] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2019] [Revised: 01/09/2020] [Accepted: 01/14/2020] [Indexed: 11/17/2022]
Abstract
A novel method based on nano-scale precipitation hardening has been studied to strengthen copper-bearing ferrite antibacterial stainless steel. Bimodal precipitations can be observed after antibacterial annealing and low temperature aging treatment, which are large rod-shaped precipitates and nano-sized spherical precipitates, respectively. Due to two different morphological precipitates, the strength of the material is significantly improved without sacrificing formability, and at the same time, the excellent antibacterial properties remain. Under low temperature aging treatment, there is no obvious evidence to show the segregation at the interface between the rod-shaped copper precipitation and the matrix due to the low segregation coefficient of copper. The nano-sized copper precipitation uniformly nucleated and distributed on the matrix. The optimized heat treatment process is antibacterial annealing at 800 °C for half an hour followed by one-hour-aging treatment at 550 °C.
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Chitra S, Bargavi P, Balasubramaniam M, Chandran RR, Balakumar S. Impact of copper on in-vitro biomineralization, drug release efficacy and antimicrobial properties of bioactive glasses. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 109:110598. [PMID: 32229004 DOI: 10.1016/j.msec.2019.110598] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 12/10/2019] [Accepted: 12/23/2019] [Indexed: 12/21/2022]
Abstract
This study highlights the incorporation of copper in the bioactive glasses (BAG) network that greatly influences the morphological, structural and biological properties. By increasing the copper incorporation in BAG, increment in cell volume was obtained from XRD patterns, and concomitantly, dominant phosphate bands and latent silica bands were observed by FT-IR and Raman spectroscopic results. The Cu addition also affected particle appearance to vary from spherical to cluster-like cubes in 1.5% and 2.5% copper-doped BAG. Due to the mesoporous network 1.5% and 2.5% copper-doped BAG showed enhanced release of anti-inflammatory drugs such as Acetaminophen (ACE) and Ibuprofen (IBU) in which, the drug release profiles showed best fit with kinetic models of First order, Korsmeyar-Peppas and Higuchi. Copper doping influences the lattice of BAG, as a result morphology and porosity varied, which regulates the ionic dissolution, hence, prompting bioactivity was perceived from 1.5% and 2.5% copper-doped bioactive glasses (Cu-BGs). Moreover, 2.5% Cu-BG and 1.5% Cu-BG showed highest rate of ROS detection, as well as improved antimicrobial activity. This study established that up to certain proportion of copper incorporation in BAG network, potentially enhances the biomineralization and turns the morphology towards minimal size with mesoporous nature. Due to the abundance in oral microbial exposure, copper amplifies the superior antimicrobial properties, and Cu-BGs act as a drug carrier to load ACE and IBU, which potentially up-regulate the healing properties in dental application.
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Affiliation(s)
- S Chitra
- National Centre for Nanoscience and Nanotechnology, University of Madras, Guindy Campus, Chennai 600025, India
| | - P Bargavi
- National Centre for Nanoscience and Nanotechnology, University of Madras, Guindy Campus, Chennai 600025, India
| | - M Balasubramaniam
- National Centre for Nanoscience and Nanotechnology, University of Madras, Guindy Campus, Chennai 600025, India
| | - R Riju Chandran
- National Centre for Nanoscience and Nanotechnology, University of Madras, Guindy Campus, Chennai 600025, India
| | - S Balakumar
- National Centre for Nanoscience and Nanotechnology, University of Madras, Guindy Campus, Chennai 600025, India.
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Basu S, Basu B. Unravelling Doped Biphasic Calcium Phosphate: Synthesis to Application. ACS APPLIED BIO MATERIALS 2019; 2:5263-5297. [DOI: 10.1021/acsabm.9b00488] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Subhadip Basu
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
| | - Bikramjit Basu
- Materials Research Centre, Indian Institute of Science, Bangalore 560012, India
- Center for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
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Wang C, Chen P, Qiao Y, Kang Y, Guo S, Wu D, Wang J, Wu H. Bacteria-activated chlorin e6 ionic liquid based on cation and anion dual-mode antibacterial action for enhanced photodynamic efficacy. Biomater Sci 2019; 7:1399-1410. [PMID: 30768109 DOI: 10.1039/c8bm00990b] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
With the increase in antibiotic resistance, the development of new antibacterial agents is urgent. Photosensitizers with no detectable resistance are promising antibacterial agents. However, most photosensitizers are insoluble, structurally unstable and ineffective against Gram-negative bacteria due to their negatively charged cell wall that hinder their use. In this study, a novel bacteria-activated photosensitizer ionic liquid was designed and assembled to improve the solubility, stability and antibacterial ability of photodynamic therapy. The cation 1-vinyl-3-dodecyl imidazole has been designed, which has strong binding energy with the major constituent of the cell wall. The anion selected was chlorin e6 (Ce6) since it could respond to the acidic microenvironment of bacterial infection. The Ce6 ionic liquid (Ce6-IL) composed of 1-vinyl-3-dodecyl imidazole and Ce6 not only exhibited bacteria-activated ability because its cation could firmly bond with peptidoglycan in the cell wall, but also had excellent acid responsive ability due to the protonation reaction of COO- in its anion. The binding energy of the cation with peptidoglycan was calculated via molecular dynamics simulation, and the pH-responsive behavior of Ce6-IL was verified via HR-MS. The surface potential, mechanical property, morphology and uptake rate results indicated that the cation could destroy the cell wall and promote the anion Ce6 to enter the bacteria. Due to the dual-mode antibacterial action of its cation and anion, Ce6-IL was more effective against Gram-negative and Gram-positive bacteria than Ce6 alone and had wide-spectrum antibacterial ability. The in vitro studies showed that the IC50 of Ce6-IL against E. coli and S. aureus was reduced by 100 and 10 times, respectively. Furthermore, the in vivo studies indicated that Ce6-IL was more effective for eliminating bacterial infection and could accelerate wound healing. The compatibility test showed that Ce6-IL had low toxicity and exhibited excellent biocompatibility.
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Affiliation(s)
- Chaoli Wang
- Department of pharmacy, The Fourth Military Medical University, Changlexilu 169, Xi'an city, China.
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Zhao J, Cao Z, Lin H, Yang H, Li J, Li X, Zhang B, Yang K. In vivo research on Cu-bearing ureteral stent. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:83. [PMID: 31273466 DOI: 10.1007/s10856-019-6285-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Accepted: 06/25/2019] [Indexed: 06/09/2023]
Abstract
Infection and encrustation limit the use of ureteral stent and to data no device can completely solve these complications. The Cu-bearing stainless steel is a novel material with properties of inhibiting infection and decreasing encrustation in vitro. In this work, ureteral stents were fabricated and implanted into the bladder of New Zealand rabbits, aiming to further investigate the effects of material on bacterial survival and growth as well as the implant related encrustation. Less adherent microbes and deposited crystals on Cu-bearing stainless steel stents were found, with significant differences in comparison with stainless steel stents, which further support the development of biofunctional ureteral stents.
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Affiliation(s)
- Jing Zhao
- Institute of Metal Research, Chinese Academy of Sciences, 110016, Shenyang, China
| | - Zhiqiang Cao
- General Hospital of Northern Theater Command, 110840, Shenyang, China
| | - Hao Lin
- Institute of Metal Research, Chinese Academy of Sciences, 110016, Shenyang, China
| | - Hui Yang
- Institute of Metal Research, Chinese Academy of Sciences, 110016, Shenyang, China
| | - Jianzhong Li
- General Hospital of Northern Theater Command, 110840, Shenyang, China
| | - Xin Li
- General Hospital of Northern Theater Command, 110840, Shenyang, China
| | - Bingchun Zhang
- Institute of Metal Research, Chinese Academy of Sciences, 110016, Shenyang, China
| | - Ke Yang
- Institute of Metal Research, Chinese Academy of Sciences, 110016, Shenyang, China.
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Silver Doping Mechanism in Bioceramics—From Ag+: Doped HAp to Ag°/BCP Nanocomposite. CRYSTALS 2019. [DOI: 10.3390/cryst9070326] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
The results presented in this paper, based on the powder X-ray diffraction technique followed by Rietveld analyses, are devoted to the mechanism of silver incorporation in biphasic calcium phosphates. Results were confirmed by SEM observation. Samples were synthesized via the sol-gel route, followed by heat treatments. Two incorporation sites were highlighted: Ca2+ replacement by Ag+ into the calcium phosphates (HAp: hydroxyapatite and β-TCP: tricalcium phosphate), and the other as metallic silver Ag° nanoparticles (formed by autogenous reduction). The samples obtained were thus nanocomposites, written Ag°/BCP, composed of closely-mixed Ag° particles of about 100 nm at 400 °C (which became micrometric upon heating) and calcium phosphates, themselves substituted by Ag+ cations. Between 400 °C and 700 °C the cationic silver part was mainly located in the HAp phase of the composition Ca10-xAgx(PO4)6(OH)2-x (written Ag+: HAp). From 600 °C silver cations migrated to β-TCP to form the definite compound Ca10Ag(PO4)7 (written Ag+: TCP). Due to the melting point of Ag°, the doping element completely left our sample at temperatures above 1000 °C. In order to correctly understand the biological behavior of such material, which is potentially interesting for biomaterial applications, its complex doping mechanism should be taken into consideration for subsequent cytotoxic and bacteriologic studies.
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Bhattacharjee A, Fang Y, Hooper TJN, Kelly NL, Gupta D, Balani K, Manna I, Baikie T, Bishop PT, White TJ, Hanna JV. Crystal Chemistry and Antibacterial Properties of Cupriferous Hydroxyapatite. MATERIALS 2019; 12:ma12111814. [PMID: 31167438 PMCID: PMC6600772 DOI: 10.3390/ma12111814] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 05/27/2019] [Accepted: 05/31/2019] [Indexed: 11/16/2022]
Abstract
Copper-doped hydroxyapatite (HA) of nominal composition Ca10(PO4)6[Cux(OH)2-2xOx] (0.0 ≤ x ≤ 0.8) was prepared by solid-state and wet chemical processing to explore the impact of the synthesis route and mode of crystal chemical incorporation of copper on the antibacterial efficacy against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) strains. Apatites prepared by solid-state reaction showed unit cell volume dilation from 527.17 Å3 for copper-free HA to 533.31 Å3 for material of the putative composition Ca10(PO4)6[Cu0.8(OH)0.4O0.8] consistent with Cu+ insertion into the [001] hydroxyapatite channel. This was less pronounced (528.30 Å3 to 529.3 Å3) in the corresponding wet chemical synthesised products, suggesting less complete Cu tunnel incorporation and partial tenancy of Cu in place of calcium. X-ray absorption spectroscopy suggests fast quenching is necessary to prevent oxidation of Cu+ to Cu2+. Raman spectroscopy revealed an absorption band at 630 cm−1 characteristic of symmetric O-Cu+-O units tenanted in the apatite channel while solid-state 31P magic-angle-spinning nuclear magnetic resonance (MAS NMR) supported a vacancy-Cu+ substitution model within the apatite channel. The copper doping strategy increases antibacterial efficiency by 25% to 55% compared to undoped HA, with the finer particle sizes and greater specific surface areas of the wet chemical material demonstrating superior efficacy.
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Affiliation(s)
- Arjak Bhattacharjee
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur 208016, India.
| | - Yanan Fang
- School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
| | - Thomas J N Hooper
- School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
| | - Nicole L Kelly
- Department of Physics, University of Warwick, Coventry CV4 7AL, UK.
| | - Disha Gupta
- School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
| | - Kantesh Balani
- Department of Materials Science and Engineering, Indian Institute of Technology, Kanpur 208016, India.
| | - Indranil Manna
- Department of Metallurgical and Materials Engineering, Indian Institute of Technology, Kharagpur 721302, India.
| | - Tom Baikie
- Energy Research Institute @ NTU (ERI@N), Research Technoplaza, Nanyang Technological University, Nanyang Drive, Singapore 637553, Singapore.
| | - Peter T Bishop
- Johnson Matthey Technology Centre, Blounts Court Rd., Sonning Common, Reading RG4 9NH, UK.
| | - Timothy J White
- School of Materials Science and Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, Singapore.
| | - John V Hanna
- Department of Physics, University of Warwick, Coventry CV4 7AL, UK.
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Wieszczycka K, Staszak K, Woźniak-Budych MJ, Jurga S. Lanthanides and tissue engineering strategies for bone regeneration. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.03.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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Sobierajska P, Wiglusz RJ. Influence of Li+ ions on the physicochemical properties of nanocrystalline calcium–strontium hydroxyapatite doped with Eu3+ ions. NEW J CHEM 2019. [DOI: 10.1039/c9nj03003d] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
In the present study, nanocrystalline Ca–Sr hydroxyapatites structurally modified with Li+ ions as well as co-doped with Eu3+ ions were prepared as biomaterials showing both regenerative and therapeutic functions.
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Affiliation(s)
| | - Rafal J. Wiglusz
- Institute of Low Temperature and Structure Research
- PAS
- 50-422 Wroclaw
- Poland
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45
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Zhang X, Zhang G, Zhang H, Li J, Yao X, Tang B. Surface immobilization of heparin and chitosan on titanium to improve hemocompatibility and antibacterial activities. Colloids Surf B Biointerfaces 2018; 172:338-345. [DOI: 10.1016/j.colsurfb.2018.08.060] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 08/20/2018] [Accepted: 08/27/2018] [Indexed: 12/15/2022]
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46
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Xia C, Cai D, Tan J, Li K, Qiao Y, Liu X. Synergistic Effects of N/Cu Dual Ions Implantation on Stimulating Antibacterial Ability and Angiogenic Activity of Titanium. ACS Biomater Sci Eng 2018; 4:3185-3193. [DOI: 10.1021/acsbiomaterials.8b00501] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chao Xia
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dingsen Cai
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Ji Tan
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Kunqiang Li
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuqin Qiao
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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