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Iconaru SL, Predoi D, Ciobanu CS, Negrila CC, Trusca R, Raaen S, Rokosz K, Ghegoiu L, Badea ML, Cimpeanu C. Novel Antimicrobial Agents Based on Zinc-Doped Hydroxyapatite Loaded with Tetracycline. Antibiotics (Basel) 2024; 13:803. [PMID: 39334978 PMCID: PMC11428947 DOI: 10.3390/antibiotics13090803] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 08/20/2024] [Accepted: 08/23/2024] [Indexed: 09/30/2024] Open
Abstract
In this paper, we present for the first time the development of zinc-doped hydroxyapatite enriched with tetracycline (ZnHApTe) powders and provide a comprehensive evaluation of their physico-chemical and biological properties. Various techniques such as X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), and Fourier transform infrared spectroscopy (FTIR) were used for the sample's complex evaluation. Moreover, the biocompatibility of zinc-doped hydroxyapatite (ZnHAp) and ZnHApTe nanoparticles was evaluated with the aid of human fetal osteoblastic cells (hFOB 1.19 cell line). The results of the biological assays suggested that these nanoparticles hold great promise as potential candidates for the future development of novel biocompatible and antimicrobial agents for biomedical applications. The antimicrobial properties of the ZnHAp and ZnHApTe nanoparticles were assessed using the standard reference microbial strains Staphylococcus aureus ATCC 25923, Escherichia coli ATCC 25922, and Candida albicans ATCC 10231. The results of the in vitro antimicrobial assay demonstrated that both tested materials exhibited good antimicrobial activity. Additionally, these data also indicated that the antimicrobial effects of the ZnHAp nanoparticles were intensified by the presence of tetracycline (Te). Furthermore, the results also suggested that the antimicrobial activity of the samples increased with the incubation time.
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Affiliation(s)
- Simona Liliana Iconaru
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Daniela Predoi
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Carmen Steluta Ciobanu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | | | - Roxana Trusca
- National Centre for Micro and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Steinar Raaen
- Department of Physics, Norwegian University of Science and Technology (NTNU), Realfagbygget E3-124 Høgskoleringen 5, NO 7491 Trondheim, Norway
| | - Krzysztof Rokosz
- Faculty of Electronics and Computer Science, Koszalin University of Technology, Śniadeckich 2, PL 75-453 Koszalin, Poland
| | - Liliana Ghegoiu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Monica Luminita Badea
- Faculty of Horticulture, University of Agronomic Sciences and Veterinary Medicine, 59 Marasti Boulevard, 011464 Bucharest, Romania
| | - Carmen Cimpeanu
- Faculty of Land Reclamation and Environmental Engineering, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Marasti Boulevard, 011464 Bucharest, Romania
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Korenkov O, Sukhodub L, Kumeda M, Sukhonos O, Sukhodub L. In vivo evaluation of bioactivity of alginate/chitosan based osteoplastic nanocomposites loaded with inorganic nanoparticles. Heliyon 2024; 10:e33868. [PMID: 39071689 PMCID: PMC11282996 DOI: 10.1016/j.heliyon.2024.e33868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
The influence of two nanostructured osteoplastic materials with different compositions: i) alginate (Alg) matrix, loaded with Zn2+ ions and nanostructured hydroxyapatite (HA) - S1/HA-Zn, and ii) chitosan (CS) matrix loaded with brushite nanoparticles (NPs, dicalcium phosphate dihydrate, DCPD) - S2/DCPD on the healing of an experimental femoral diaphysis defect was investigated. The structure of cellular elements and the lacunar tubular system of the regenerated bone tissue were studied by electron microscopy. Osteogenic cells on the surface and inside S1/HA-Zn formed bone tissue. On the 30th day, the latter had a reticulofibrous and later lamellar structure. On the 30th day, the S2/DCPD biomaterial was integrated mainly into connective tissue and, starting from the 90th day, into the bone tissue, which was formed only on its outer surface. Thus, it has been proven that both biomaterials contribute to the healing of bone wounds. The regenerative potential of the new bone tissue formation of S1/HA-Zn prevails over that of S2/DCPD.
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Affiliation(s)
- Oleksii Korenkov
- Sumy State University, 116, Kharkivska St., Sumy, 40007, Ukraine
| | | | - Mariia Kumeda
- Sumy State University, 116, Kharkivska St., Sumy, 40007, Ukraine
| | - Olha Sukhonos
- Sumy State University, 116, Kharkivska St., Sumy, 40007, Ukraine
| | - Leonid Sukhodub
- Sumy State University, 116, Kharkivska St., Sumy, 40007, Ukraine
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3
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Steyl SK, Jeyapalina S, Griffin A, Krishnamoorthi V, Beck JP, Agarwal J, Shea J. Efficacy of sintered Zinc-doped fluorapatite scaffold as an antimicrobial regenerative bone filler for dental applications. J Dent 2024; 146:105070. [PMID: 38740251 PMCID: PMC11180563 DOI: 10.1016/j.jdent.2024.105070] [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] [Received: 02/15/2024] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/16/2024] Open
Abstract
OBJECTIVES The objective of this study was to assess whether zinc-doped fluorapatite (ZnFA) could serve as an effective antimicrobial dental bone filler for bone regeneration compared to autografts. METHODS FA and 2 % zinc-doped FA (2ZnFA) were synthesized and characterized in-house. Compressed and sintered FA and 2ZnFA disks were incubated with bacteria to assess antimicrobial properties. Adipose-derived stem cells were cultured on these discs to evaluate the surfaces' ability to support cell growth and promote osteogenic differentiation. Surfaces exhibiting the highest expressions of the bone markers osteopontin and osteocalcin were selected for an in vivo study in a rat mandibular defect model. Twenty rats were divided into 5 groups, equally, and a 5 mm surgical defect of the jaw was left untreated or filled with 2ZnFA, FA, autograft, or demineralized bone matrix (DBM). At 12 weeks, the defects and surrounding tissues were harvested and subjected to microCT and histological evaluations. RESULTS Standard techniques such as FTIR, ICP-MS, fluoride probe, and XRD revealed the sintered FA and ZnFA's chemical compositions and structures. Bacterial studies revealed no significant differences in surface bacterial adhesion properties between FA and 2ZnFA, but significantly fewer bacterial loads than control titanium discs (p < 0.05). Cell culture data confirmed that both surfaces could support cell growth and promote the osteogenic differentiation of stem cells. MicroCT analysis confirmed statistical similarities in bone regeneration within FA, 2ZnFA, and autograft groups. CONCLUSION The data suggests that both FA and 2ZnFA could serve as alternatives to autograft materials, which are the current gold standard. Moreover, these bone fillers outperformed DBM, an allograft material commonly used as a dental bone void filler. CLINICAL SIGNIFICANCE The use of FA or 2ZnFA for treating mandibular defects led to bone regeneration statistically similar to autograft repair and significantly outperformed the widely used dental bone filler, DBM. Additional translational research may confirm FA-based materials as superior substitutes for existing synthetic bone fillers, ultimately enhancing patient outcomes.
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Affiliation(s)
- Samantha K Steyl
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA; Division of Plastic Surgery, Department of Surgery, University of Utah School of Medicine, 30 North 1900 East, Salt Lake City, UT 84132, USA; Department of Biomedical Engineering, University of Utah, 36 S. Wasatch Drive, Rm. 3100. Salt Lake City, UT 84112, USA
| | - Sujee Jeyapalina
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA; Division of Plastic Surgery, Department of Surgery, University of Utah School of Medicine, 30 North 1900 East, Salt Lake City, UT 84132, USA; Department of Biomedical Engineering, University of Utah, 36 S. Wasatch Drive, Rm. 3100. Salt Lake City, UT 84112, USA
| | - Alec Griffin
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA
| | - Vishnu Krishnamoorthi
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA
| | - James Peter Beck
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA; Department of Orthopaedics, University of Utah School of Medicine, 590 Wakara Way Salt Lake City, UT 84108, USA
| | - Jay Agarwal
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA; Division of Plastic Surgery, Department of Surgery, University of Utah School of Medicine, 30 North 1900 East, Salt Lake City, UT 84132, USA
| | - Jill Shea
- Orthopaedic and Plastic Surgery Research Laboratory, George E. Wahlen Department of Veterans Affairs Medical Center, 500 Foothill Drive Salt Lake City, UT 84148, USA; Division of Plastic Surgery, Department of Surgery, University of Utah School of Medicine, 30 North 1900 East, Salt Lake City, UT 84132, USA; Department of Biomedical Engineering, University of Utah, 36 S. Wasatch Drive, Rm. 3100. Salt Lake City, UT 84112, USA.
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Dornelas J, Dornelas G, Rossi A, Piattelli A, Di Pietro N, Romasco T, Mourão CF, Alves GG. The Incorporation of Zinc into Hydroxyapatite and Its Influence on the Cellular Response to Biomaterials: A Systematic Review. J Funct Biomater 2024; 15:178. [PMID: 39057300 PMCID: PMC11277605 DOI: 10.3390/jfb15070178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 06/20/2024] [Accepted: 06/28/2024] [Indexed: 07/28/2024] Open
Abstract
Zinc is known for its role in enhancing bone metabolism, cell proliferation, and tissue regeneration. Several studies proposed the incorporation of zinc into hydroxyapatite (HA) to produce biomaterials (ZnHA) that stimulate and accelerate bone healing. This systematic review aimed to understand the physicochemical characteristics of zinc-doped HA-based biomaterials and the evidence of their biological effects on osteoblastic cells. A comprehensive literature search was conducted from 2022 to 2024, covering all years of publications, in three databases (Web of Science, PUBMED, Scopus), retrieving 609 entries, with 36 articles included in the analysis according to the selection criteria. The selected studies provided data on the material's physicochemical properties, the methods of zinc incorporation, and the biological effects of ZnHA on bone cells. The production of ZnHA typically involves the wet chemical synthesis of HA and ZnHA precursors, followed by deposition on substrates using processes such as liquid precursor plasma spraying (LPPS). Characterization techniques confirmed the successful incorporation of zinc into the HA lattice. The findings indicated that zinc incorporation into HA at low concentrations is non-cytotoxic and beneficial for bone cells. ZnHA was found to stimulate cell proliferation, adhesion, and the production of osteogenic factors, thereby promoting in vitro mineralization. However, the optimal zinc concentration for the desired effects varied across studies, making it challenging to establish a standardized concentration. ZnHA materials are biocompatible and enhance osteoblast proliferation and differentiation. However, the mechanisms of zinc release and the ideal concentrations for optimal tissue regeneration require further investigation. Standardizing these parameters is essential for the effective clinical application of ZnHA.
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Affiliation(s)
- Jessica Dornelas
- NanoOnco3D, Rio de Janeiro 20000-000, Brazil
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
| | - Giselle Dornelas
- Post-Graduation Program in Sciences & Biotechnology, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
| | - Alexandre Rossi
- CBPF–Brazilian Center for Research in Physics, Rio de Janeiro 22290-180, Brazil
| | - Adriano Piattelli
- School of Dentistry, Saint Camillus International, University of Health and Medical Sciences, 00131 Rome, Italy
| | - Natalia Di Pietro
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, “G. D’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Tea Romasco
- Department of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technology-CAST, “G. D’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy
| | - Carlos Fernando Mourão
- Department of Periodontology, Tufts University School of Dental Medicine, Boston, MA 02111, USA
| | - Gutemberg Gomes Alves
- Cell and Molecular Biology Department, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
- Post-Graduation Program in Sciences & Biotechnology, Institute of Biology, Fluminense Federal University, Niteroi 24220-900, Brazil
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Luo C, Li YM, Jiang K, Wang K, Kuzmanović M, You XH, Zhang Y, Lei J, Huang SS, Xu JZ. ECM-inspired calcium/zinc laden cellulose scaffold for enhanced bone regeneration. Carbohydr Polym 2024; 331:121823. [PMID: 38388030 DOI: 10.1016/j.carbpol.2024.121823] [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: 10/18/2023] [Revised: 01/01/2024] [Accepted: 01/11/2024] [Indexed: 02/24/2024]
Abstract
Cellulose-based polymer scaffolds are highly diverse for designing and fabricating artificial bone substitutes. However, realizing the multi-biological functions of cellulose-based scaffolds has long been challenging. In this work, inspired by the structure and function of the extracellular matrix (ECM) of bone, we developed a novel yet feasible strategy to prepare ECM-like scaffolds with hybrid calcium/zinc mineralization. The 3D porous structure was formed via selective oxidation and freeze drying of bacterial cellulose. Following the principle of electrostatic interaction, calcium/zinc hybrid hydroxyapatite nucleated, crystallized, and precipitated on the 3D scaffold in simulated physiological conditions, which was well confirmed by morphology and composition analysis. Compared with alternative scaffold cohorts, this hybrid ion-loaded cellulose scaffold exhibited a pronounced elevation in alkaline phosphatase (ALP) activity, osteogenic gene expression, and cranial defect regeneration. Notably, the hybrid ion-loaded cellulose scaffold effectively fostered an M2 macrophage milieu and had a strong immune effect in vivo. In summary, this study developed a hybrid multifunctional cellulose-based scaffold that appropriately simulates the ECM to regulate immunomodulatory and osteogenic differentiation, setting a measure for artificial bone substitutes.
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Affiliation(s)
- Chuan Luo
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Yuan-Min Li
- NHC Key Laboratory of Transplant Engineering and Immunology, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Kai Jiang
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Kai Wang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Maja Kuzmanović
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Xuan-He You
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Yao Zhang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China
| | - Jun Lei
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China
| | - Shi-Shu Huang
- Department of Orthopedic Surgery and Orthopedic Research Institute, West China Hospital, Sichuan University, Chengdu 610065, China.
| | - Jia-Zhuang Xu
- State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065, China.
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Zhang X, Zhou W, Xi W. Advancements in incorporating metal ions onto the surface of biomedical titanium and its alloys via micro-arc oxidation: a research review. Front Chem 2024; 12:1353950. [PMID: 38456182 PMCID: PMC10917964 DOI: 10.3389/fchem.2024.1353950] [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: 12/11/2023] [Accepted: 01/31/2024] [Indexed: 03/09/2024] Open
Abstract
The incorporation of biologically active metallic elements into nano/micron-scale coatings through micro-arc oxidation (MAO) shows significant potential in enhancing the biological characteristics and functionality of titanium-based materials. By introducing diverse metal ions onto titanium implant surfaces, not only can their antibacterial, anti-inflammatory and corrosion resistance properties be heightened, but it also promotes vascular growth and facilitates the formation of new bone tissue. This review provides a thorough examination of recent advancements in this field, covering the characteristics of commonly used metal ions and their associated preparation parameters. It also highlights the diverse applications of specific metal ions in enhancing osteogenesis, angiogenesis, antibacterial efficacy, anti-inflammatory and corrosion resistance properties of titanium implants. Furthermore, the review discusses challenges faced and future prospects in this promising area of research. In conclusion, the synergistic approach of micro-arc oxidation and metal ion doping demonstrates substantial promise in advancing the effectiveness of biomedical titanium and its alloys, promising improved outcomes in medical implant applications.
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Affiliation(s)
- Xue’e Zhang
- Jiangxi Province Key Laboratory of Oral Biomedicine, School of Stomatology, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
| | - Wuchao Zhou
- Jiangxi Province Key Laboratory of Oral Biomedicine, The Affiliated Stomatological Hospital, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
| | - Weihong Xi
- Jiangxi Province Key Laboratory of Oral Biomedicine, The Affiliated Stomatological Hospital, Jiangxi Medical College, Jiangxi Province Clinical Research Center for Oral Diseases, Nanchang University, Nanchang, China
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Molenda M, Kolmas J. The Role of Zinc in Bone Tissue Health and Regeneration-a Review. Biol Trace Elem Res 2023; 201:5640-5651. [PMID: 37002364 PMCID: PMC10620276 DOI: 10.1007/s12011-023-03631-1] [Citation(s) in RCA: 33] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 03/11/2023] [Indexed: 04/03/2023]
Abstract
Zinc is a micronutrient of key importance for human health. An increasing number of studies indicate that zinc plays a significant role in bone tissue's normal development and maintaining homeostasis. Zinc is not only a component of bone tissue but is also involved in the synthesis of the collagen matrix, mineralization, and bone turnover. It has been demonstrated that zinc can stimulate runt-related transcription factor 2 (Runx2) and promote the differentiation of osteoblasts. On the other hand, zinc has been found to inhibit osteoclast-like cell formation and to decrease bone resorption by stimulating osteoclasts' apoptosis. Moreover, zinc regulates the RANKL/RANK/OPG pathway, thereby facilitating bone remodeling. To date, not all mechanisms of Zn activity on bone tissue are well understood and documented. The review aimed to present the current state of research on the role of zinc in bone tissue, its beneficial properties, and its effects on bone regeneration. Since calcium phosphates as bone substitute materials are increasingly enriched in zinc ions, the paper included an overview of research on the potential role of such materials in bone filling and regeneration.
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Affiliation(s)
- Magda Molenda
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Ul. Banacha 1, 02-097, Warsaw, Poland
| | - Joanna Kolmas
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Ul. Banacha 1, 02-097, Warsaw, Poland.
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Wang X, Huang S, Peng Q. Metal Ion-Doped Hydroxyapatite-Based Materials for Bone Defect Restoration. Bioengineering (Basel) 2023; 10:1367. [PMID: 38135958 PMCID: PMC10741145 DOI: 10.3390/bioengineering10121367] [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: 09/20/2023] [Revised: 11/15/2023] [Accepted: 11/17/2023] [Indexed: 12/24/2023] Open
Abstract
Hydroxyapatite (HA)-based materials are widely used in the bone defect restoration field due to their stable physical properties, good biocompatibility, and bone induction potential. To further improve their performance with extra functions such as antibacterial activity, various kinds of metal ion-doped HA-based materials have been proposed and synthesized. This paper offered a comprehensive review of metal ion-doped HA-based materials for bone defect restoration based on the introduction of the physicochemical characteristics of HA followed by the synthesis methods, properties, and applications of different kinds of metal ion (Ag+, Zn2+, Mg2+, Sr2+, Sm3+, and Ce3+)-doped HA-based materials. In addition, the underlying challenges for bone defect restoration using these materials and potential solutions were discussed.
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Affiliation(s)
- Xuan Wang
- Xiangya Stomatological Hospital, Central South University, Changsha 410008, China;
- Xiangya School of Stomatology, Central South University, Changsha 410008, China
| | - Shan Huang
- Changsha Health Vocational College, Changsha 410100, China;
| | - Qian Peng
- Xiangya Stomatological Hospital, Central South University, Changsha 410008, China;
- Xiangya School of Stomatology, Central South University, Changsha 410008, China
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Ciobanu SC, Predoi D, Chifiriuc MC, Iconaru SL, Predoi MV, Popa M, Rokosz K, Raaen S, Marinas IC. Salvia officinalis-Hydroxyapatite Nanocomposites with Antibacterial Properties. Polymers (Basel) 2023; 15:4484. [PMID: 38231963 PMCID: PMC10708102 DOI: 10.3390/polym15234484] [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: 09/02/2023] [Revised: 11/18/2023] [Accepted: 11/20/2023] [Indexed: 01/19/2024] Open
Abstract
In the present study, sage-coated zinc-doped hydroxyapatite was incorporated into a dextran matrix (7ZnHAp-SD), and its physico-chemical and antimicrobial activities were investigated. A 7ZnHAp-SD nanocomposite suspension was obtained using the co-precipitation method. The stability of the nanocomposite suspension was evaluated using ultrasound measurements. The stability parameter calculated relative to double-distilled water as a reference fluid highlights the very good stability of the 7ZnHAp-SD suspension. X-ray diffraction (XRD) experiments were performed to evaluate the characteristic diffraction peak of the hydroxyapatite phase. Valuable information regarding the morphology and chemical composition of 7ZnHAp-SD was obtained via scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and X-ray photoelectron spectroscopy (XPS) studies. Fourier-transform infrared spectroscopy (FTIR) measurements were performed on the 7ZnHAp-SD suspensions in order to evaluate the functional groups present in the sample. Preliminary studies on the antimicrobial activity of 7ZnHAp-SD suspensions against the standard strains of Staphylococcus aureus 25923 ATCC, Enterococcus faecalis 29212 ATCC, Escherichia coli 25922 ATCC, and Pseudomonas aeruginosa 27853 ATCC were conducted. More than that, preliminary studies on the biocompatibility of 7ZnHAp-SD were conducted using human cervical adenocarcinoma (HeLa) cells, and their results emphasized that the 7ZnHAp-SD sample did not exhibit a toxic effect and did not induce any noticeable changes in the morphological characteristics of HeLa cells. These preliminary results showed that these nanoparticles could be possible candidates for biomedical/antimicrobial applications.
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Affiliation(s)
- Steluta Carmen Ciobanu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania; (S.C.C.); (S.L.I.)
| | - Daniela Predoi
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania; (S.C.C.); (S.L.I.)
| | - Mariana Carmen Chifiriuc
- Life, Environmental and Earth Sciences Division, Research Institute of the University of Bucharest (ICUB), University of Bucharest, 060023 Bucharest, Romania;
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., District 5, 060101 Bucharest, Romania; (M.P.); (I.C.M.)
- Biological Sciences Division, The Romanian Academy, 25, Calea Victoriei, 010071 Bucharest, Romania
| | - Simona Liliana Iconaru
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania; (S.C.C.); (S.L.I.)
| | - Mihai Valentin Predoi
- Department of Mechanics, University Politehnica of Bucharest, BN 002, 313 Splaiul Independentei, Sector 6, 060042 Bucharest, Romania;
| | - Marcela Popa
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., District 5, 060101 Bucharest, Romania; (M.P.); (I.C.M.)
- Biological Sciences Division, The Romanian Academy, 25, Calea Victoriei, 010071 Bucharest, Romania
| | - Krzysztof Rokosz
- Faculty of Electronics and Computer Science, Koszalin University of Technology, Sniadeckich 2, PL 75-453 Koszalin, Poland;
| | - Steinar Raaen
- Department of Physics, Norwegian University of Science and Technology (NTNU), Realfagbygget E3-124 Høgskoleringen 5, NO 7491 Trondheim, Norway;
| | - Ioana Cristina Marinas
- Department of Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor Str., District 5, 060101 Bucharest, Romania; (M.P.); (I.C.M.)
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10
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Ron T, Leon A, Kafri A, Ashraf A, Na J, Babu A, Banerjee R, Brookbank H, Muddaluri SR, Little KJ, Aghion E, Pixley S. Nerve Regeneration with a Scaffold Incorporating an Absorbable Zinc-2% Iron Alloy Filament to Improve Axonal Guidance. Pharmaceutics 2023; 15:2595. [PMID: 38004574 PMCID: PMC10674795 DOI: 10.3390/pharmaceutics15112595] [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: 10/09/2023] [Revised: 10/30/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
Peripheral nerve damage that results in lost segments requires surgery, but currently available hollow scaffolds have limitations that could be overcome by adding internal guidance support. A novel solution is to use filaments of absorbable metals to supply physical support and guidance for nerve regeneration that then safely disappear from the body. Previously, we showed that thin filaments of magnesium metal (Mg) would support nerve regeneration. Here, we tested another absorbable metal, zinc (Zn), using a proprietary zinc alloy with 2% iron (Zn-2%Fe) that was designed to overcome the limitations of both Mg and pure Zn metal. Non-critical-sized gaps in adult rat sciatic nerves were repaired with silicone conduits plus single filaments of Zn-2%Fe, Mg, or no metal, with autografts as controls. After seventeen weeks, all groups showed equal recovery of function and axonal density at the distal end of the conduit. The Zn alloy group showed some improvements in early rat health and recovery of function. The alloy had a greater local accumulation of degradation products and inflammatory cells than Mg; however, both metals had an equally thin capsule (no difference in tissue irritation) and no toxicity or inflammation in neighboring nerve tissues. Therefore, Zn-2%Fe, like Mg, is biocompatible and has great potential for use in nervous tissue regeneration and repair.
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Affiliation(s)
- Tomer Ron
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Avi Leon
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Alon Kafri
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Nuclear Research Centre-Negev, Beer-Sheva 84190, Israel
| | - Ahmed Ashraf
- College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
| | - John Na
- College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
| | - Ashvin Babu
- School of Medicine, Case Western Reserve University, Cleveland, OH 44106, USA
| | - Runima Banerjee
- College of Engineering & Applied Sciences, University of Cincinnati, Cincinnati, OH 45221, USA
| | - Hunter Brookbank
- College of Arts & Sciences, University of Cincinnati, Cincinnati, OH 45221, USA
| | | | - Kevin J. Little
- Department of Orthopedic Surgery, College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
- Pediatric Hand & Upper Extremity Center, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA
| | - Eli Aghion
- Department of Materials Engineering, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Sarah Pixley
- Department of Pharmacology & Systems Physiology, College of Medicine, University of Cincinnati, Cincinnati, OH 45267, USA
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11
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Dasgupta B, Hausmann JN, Beltrán-Suito R, Kalra S, Laun K, Zebger I, Driess M, Menezes PW. A Facile Molecular Approach to Amorphous Nickel Pnictides and Their Reconstruction to Crystalline Potassium-Intercalated γ-NiOOH x Enabling High-Performance Electrocatalytic Water Oxidation and Selective Oxidation of 5-Hydroxymethylfurfural. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2301258. [PMID: 37086146 DOI: 10.1002/smll.202301258] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2023] [Revised: 03/29/2023] [Indexed: 05/03/2023]
Abstract
The low-temperature molecular precursor approach can be beneficial to conventional solid-state methods, which require high temperatures and lead to relatively large crystalline particles. Herein, a novel, single-step, room-temperature preparation of amorphous nickel pnictide (NiE; EP, As) nanomaterials is reported, starting from NaOCE(dioxane)n and NiBr2 (thf)1.5 . During application for the oxygen evolution reaction (OER), the pnictide anions leach, and both materials fully reconstruct into nickel(III/IV) oxide phases (similar to γ-NiOOH) comprising edge-sharing (NiO6 ) layers with intercalated potassium ions and a d-spacing of 7.27 Å. Remarkably, the intercalated γ-NiOOHx phases are nanocrystalline, unlike the amorphous nickel pnictide precatalysts. This unconventional reconstruction is fast and complete, which is ascribed to the amorphous nature of the nanostructured NiE precatalysts. The obtained γ-NiOOHx can effectively catalyse the OER for 100 h at a high current density (400 mA cm-2 ) and achieves outstandingly high current densities (>600 mA cm-2 ) for the selective, value-added oxidation of 5-hydroxymethylfurfural (HMF). The NiP-derived γ-NiOOHx shows a higher activity for both processes due to more available active sites. It is anticipated that the herein developed, effective, room-temperature molecular synthesis of amorphous nickel pnictide nanomaterials can be applied to other functional transition-metal pnictides.
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Affiliation(s)
- Basundhara Dasgupta
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Jan Niklas Hausmann
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Rodrigo Beltrán-Suito
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Shweta Kalra
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Konstantin Laun
- Department of Chemistry: Physical Chemistry/Biophysical Chemistry, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Ingo Zebger
- Department of Chemistry: Physical Chemistry/Biophysical Chemistry, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Matthias Driess
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
| | - Prashanth Wilfred Menezes
- Department of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Straße des 17 Juni 135, Sekr. C2, 10623, Berlin, Germany
- Materials Chemistry Group for Thin Film Catalysis - CatLab, Helmholtz-Zentrum Berlin für Materialien und Energie, Albert-Einstein-Str. 15, 12489, Berlin, Germany
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12
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Fang W, Yang M, Liu M, Jin Y, Wang Y, Yang R, Wang Y, Zhang K, Fu Q. Review on Additives in Hydrogels for 3D Bioprinting of Regenerative Medicine: From Mechanism to Methodology. Pharmaceutics 2023; 15:1700. [PMID: 37376148 PMCID: PMC10302687 DOI: 10.3390/pharmaceutics15061700] [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: 04/18/2023] [Revised: 05/29/2023] [Accepted: 06/02/2023] [Indexed: 06/29/2023] Open
Abstract
The regeneration of biological tissues in medicine is challenging, and 3D bioprinting offers an innovative way to create functional multicellular tissues. One common way in bioprinting is bioink, which is one type of the cell-loaded hydrogel. For clinical application, however, the bioprinting still suffers from satisfactory performance, e.g., in vascularization, effective antibacterial, immunomodulation, and regulation of collagen deposition. Many studies incorporated different bioactive materials into the 3D-printed scaffolds to optimize the bioprinting. Here, we reviewed a variety of additives added to the 3D bioprinting hydrogel. The underlying mechanisms and methodology for biological regeneration are important and will provide a useful basis for future research.
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Affiliation(s)
| | | | | | | | | | | | | | - Kaile Zhang
- Department of Urology, Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, No. 600 Yi-Shan Road, Shanghai 200233, China; (W.F.); (M.Y.)
| | - Qiang Fu
- Department of Urology, Affiliated Sixth People’s Hospital, Shanghai Jiaotong University, No. 600 Yi-Shan Road, Shanghai 200233, China; (W.F.); (M.Y.)
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13
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Badea MA, Balas M, Popa M, Borcan T, Bunea AC, Predoi D, Dinischiotu A. Biological Response of Human Gingival Fibroblasts to Zinc-Doped Hydroxyapatite Designed for Dental Applications-An In Vitro Study. MATERIALS (BASEL, SWITZERLAND) 2023; 16:ma16114145. [PMID: 37297278 DOI: 10.3390/ma16114145] [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: 04/18/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023]
Abstract
This study aimed to investigate the biological response induced by hydroxyapatite (HAp) and zinc-doped HAp (ZnHAp) in human gingival fibroblasts and to explore their antimicrobial activity. The ZnHAp (with xZn = 0.00 and 0.07) powders, synthesized by the sol-gel method, retained the crystallographic structure of pure HA without any modification. Elemental mapping confirmed the uniform dispersion of zinc ions in the HAp lattice. The size of crystallites was 18.67 ± 2 nm for ZnHAp and 21.54 ± 1 nm for HAp. The average particle size was 19.38 ± 1 nm for ZnHAp and 22.47 ± 1 nm for HAp. Antimicrobial studies indicated an inhibition of bacterial adherence to the inert substrate. In vitro biocompatibility was tested on various doses of HAp and ZnHAp after 24 and 72 h of exposure and revealed that cell viability decreased after 72 h starting with a dose of 31.25 µg/mL. However, cells retained membrane integrity and no inflammatory response was induced. High doses (such as 125 µg/mL) affected cell adhesion and the architecture of F-actin filaments, while in the presence of lower doses (such as 15.625 µg/mL), no modifications were observed. Cell proliferation was inhibited after treatment with HAp and ZnHAp, except the dose of 15.625 µg/mL ZnHAp at 72 h of exposure, when a slight increase was observed, proving an improvement in ZnHAp activity due to Zn doping.
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Affiliation(s)
- Madalina Andreea Badea
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
- Research Institute of the University of Bucharest (ICUB), University of Bucharest, 90-92 Sos. Panduri, 050663 Bucharest, Romania
| | - Mihaela Balas
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
| | - Marcela Popa
- Department of Botany and Microbiology, Faculty of Biology, University of Bucharest, 1-3 Aleea Portocalelor, 060101 Bucharest, Romania
| | - Teodora Borcan
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
| | - Anamaria-Cristina Bunea
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
| | - Daniela Predoi
- National Institute of Materials Physics, No. 405A Atomistilor Street, 077125 Magurele, Romania
| | - Anca Dinischiotu
- Department of Biochemistry and Molecular Biology, Faculty of Biology, University of Bucharest, 91-95 Splaiul Independentei, 050095 Bucharest, Romania
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14
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Kamphof R, Lima RN, Schoones JW, Arts JJ, Nelissen RG, Cama G, Pijls BG. Antimicrobial activity of ion-substituted calcium phosphates: A systematic review. Heliyon 2023; 9:e16568. [PMID: 37303579 PMCID: PMC10248076 DOI: 10.1016/j.heliyon.2023.e16568] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 05/17/2023] [Accepted: 05/19/2023] [Indexed: 06/13/2023] Open
Abstract
In this systematic review, the antimicrobial effect of ion-substituted calcium phosphate biomaterials was quantitatively assessed. The literature was systematically searched up to the 6th of December 2021. Study selection and data extraction was performed in duplo by two independent reviewers with a modified version of the OHAT tool for risk of bias assessment. Any differences were resolved by consensus or by a referee. A mixed effects model was used to investigate the relation between the degree of ionic substitution and bacterial reduction. Of 1016 identified studies, 108 were included in the analysis. The methodological quality of included studies ranged from 6 to 16 out of 18 (average 11.4). Selenite, copper, zinc, rubidium, gadolinium, silver and samarium had a clear antimicrobial effect, with a log reduction in bacteria count of 0.23, 1.8, 2.1, 3.6, 5.8, 7.4 and 10 per atomic% of substitution, respectively. There was considerable between-study variation, which could partially be explained by differences in material formulation, study quality and microbial strain. Future research should focus on clinically relevant scenarios in vitro and the translation to in vivo prevention of PJI.
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Affiliation(s)
- Robert Kamphof
- Leiden University Medical Center, Department of Orthopaedics, Albinusdreef 2, 2333, ZA, Leiden, the Netherlands
| | - Rui N.O. Lima
- CAM Bioceramics B.V., Zernikedreef 6, 2333, CL, Leiden, the Netherlands
- Delft University of Technology, Mekelweg 5, 2628, CD, Delft, the Netherlands
| | - Jan W. Schoones
- Leiden University Medical Centre, Directorate of Research Policy, Albinusdreef 2, 2333, ZA, Leiden, the Netherlands
| | - Jacobus J. Arts
- Maastricht University Medical Centre, Department of Orthopaedic SurgeryP., Debyelaan 25, 6229, HX, Maastricht, the Netherlands
| | - Rob G.H.H. Nelissen
- Leiden University Medical Center, Department of Orthopaedics, Albinusdreef 2, 2333, ZA, Leiden, the Netherlands
| | - Giuseppe Cama
- CAM Bioceramics B.V., Zernikedreef 6, 2333, CL, Leiden, the Netherlands
| | - Bart G.C.W. Pijls
- Leiden University Medical Center, Department of Orthopaedics, Albinusdreef 2, 2333, ZA, Leiden, the Netherlands
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15
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Predoi D, Iconaru SL, Ciobanu CS, Raita MS, Ghegoiu L, Trusca R, Badea ML, Cimpeanu C. Studies of the Tarragon Essential Oil Effects on the Characteristics of Doped Hydroxyapatite/Chitosan Biocomposites. Polymers (Basel) 2023; 15:polym15081908. [PMID: 37112055 PMCID: PMC10142985 DOI: 10.3390/polym15081908] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/06/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
Due to the emergence of antibiotic-resistant pathogens, the need to find new, efficient antimicrobial agents is rapidly increasing. Therefore, in this study, we report the development of new biocomposites based on zinc-doped hydroxyapatite/chitosan enriched with essential oil of Artemisia dracunculus L. with good antimicrobial activity. Techniques such as scanning electron microscopy (SEM), X-ray diffraction (XRD), energy dispersive X-ray spectroscopy (EDX) and Fourier transform infrared spectroscopy (FTIR) were used in order to evaluate their physico-chemical properties. Our studies revealed that biocomposite materials with nanometric dimension and homogeneous composition could be obtained through an economic and cost-effective synthesis method. The biological assays demonstrated that ZnHA (zinc-doped hydroxyapatite), ZnHACh (zinc-doped hydroxyapatite/chitosan) and ZnHAChT (zinc-doped hydroxyapatite/chitosan enriched with essential oil of Artemisia dracunculus L.) did not exhibit a toxic effect on the cell viability and proliferation of the primary osteoblast culture (hFOB 1.19). Moreover, the cytotoxic assay also highlighted that the cell morphology of the hFOB 1.19 was not altered in the presence of ZnHA, ZnHACh or ZnHAChT. Furthermore, the in vitro antimicrobial studies emphasized that the samples exhibited strong antimicrobial properties against Escherichia coli ATCC 25922, Staphylococcus aureus ATCC 25923 and Candida albicans ATCC 10231 microbial strains. These results are encouraging for the following development of new composite materials with enhanced biological properties that could promote the osteogenic process of bone healing and also exhibit good antimicrobial properties.
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Affiliation(s)
- Daniela Predoi
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Simona Liliana Iconaru
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Carmen Steluta Ciobanu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Mariana Stefania Raita
- Faculty of Veterinary Medicine, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 105 Splaiul Independentei, District 5, 050097 Bucharest, Romania
| | - Liliana Ghegoiu
- National Institute of Materials Physics, Atomistilor Street, No. 405A, 077125 Magurele, Romania
| | - Roxana Trusca
- Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University POLITEHNICA of Bucharest, Gh. Polizu 1-7, 011061 Bucharest, Romania
- National Center for Micro and Nanomaterials, University POLITEHNICA of Bucharest, Splaiul Independentei 313, 060042 Bucharest, Romania
| | - Monica Luminita Badea
- Faculty of Horticulture, University of Agronomic Sciences and Veterinary Medicine, 59 Marasti Blvd., 011464 Bucharest, Romania
| | - Carmen Cimpeanu
- Faculty of Land Reclamation and Environmental Engineering, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Marasti Blvd, 011464 Bucharest, Romania
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16
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Xing X, Han Y, Cheng H. Biomedical applications of chitosan/silk fibroin composites: A review. Int J Biol Macromol 2023; 240:124407. [PMID: 37060984 DOI: 10.1016/j.ijbiomac.2023.124407] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/31/2023] [Accepted: 04/06/2023] [Indexed: 04/17/2023]
Abstract
Natural polymers have been used in the biomedical fields for decades, mainly derived from animals and plants with high similarities with biomacromolecules in the human body. As an alkaline polysaccharide, chitosan (CS) attracts much attention in tissue regeneration and drug delivery with favorable biocompatibility, biodegradation, and antibacterial activity. However, to overcome its mechanical properties and degradation behavior drawbacks, a robust fibrous protein-silk fibroin (SF) was introduced to prepare the CS/SF composites. Not only can CS be combined with SF via the amide and hydrogen bond formation, but also their functions are complementary and tunable with the blending ratio. To further improve the performances of CS/SF composites, natural (e.g., hyaluronic acid and collagen) and synthetic biopolymers (e.g., polyvinyl alcohol and hexanone) were incorporated. Also, the CS/SF composites acted as slow-release carriers for inorganic non-metals (e.g., hydroxyapatite and graphene) and metal particles (e.g., silver and magnesium), which could enhance cell functions, facilitate tissue healing, and inhibit bacterial growth. This review presents the state-of-the-art and future perspectives of different biomaterials combined with CS/SF composites as sponges, hydrogels, membranes, particles, and coatings. Emphasis is devoted to the biological potentialities of these hybrid systems, which look rather promising toward a multitude of applications.
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Affiliation(s)
- Xiaojie Xing
- Key Laboratory of Oral Diseases & Fujian Provincial Engineering Research Center of Oral Biomaterial & Stomatological Key Lab of Fujian College and University, School and Hospital of Stomatology, Fujian Medical University, 88 Jiaotong Road, Fuzhou, Fujian 350004, China
| | - Yu Han
- Division of Craniofacial Development and Regeneration, Tohoku University Graduate School of Dentistry, 4-1 Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan
| | - Hui Cheng
- Institute of Stomatology & Research Center of Dental Esthetics and Biomechanics, School and Hospital of Stomatology, Fujian Medical University, 246 Yangqiao Zhong Road, Fuzhou, Fujian 350002, China.
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17
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Turhan EA, Akbaba S, Tezcaner A, Evis Z. Boron nitride nanofiber/Zn-doped hydroxyapatite/polycaprolactone scaffolds for bone tissue engineering applications. BIOMATERIALS ADVANCES 2023; 148:213382. [PMID: 36963343 DOI: 10.1016/j.bioadv.2023.213382] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 02/21/2023] [Accepted: 03/09/2023] [Indexed: 03/17/2023]
Abstract
In this study, Zn doped hydroxyapatite (Zn HA)/boron nitride nanofiber (BNNF)/poly-ε-caprolactone (PCL) composite aligned fibrous scaffolds are produced with rotary jet spinning (RJS) for bone tissue engineering applications. It is hypothesized that addition of Zn HA and BNNF will contribute to cell viability as well as mechanical and osteogenic properties of the PCL scaffolds. Zn HA was synthesized by mixing Ca and P sources followed by sonication and aging whereas BNNF was obtained by the reaction of melamine with boric acid followed by freeze-drying for annealing of fibers. It is found that incorporation of both Zn HA and BNNF in PCL fibers resulted in higher calcium phosphate (CaP) precipitation on the scaffolds. Also, in vitro cell culture studies showed that presence of both Zn HA and BNNF also had synergistic effect for enhanced proliferation and osteogenic activity of Saos-2 cells. Mechanical properties of PCL-Zn HA-BNNF were found similar to that of non-load bearing bones. Furthermore, the presence of Zn HA and BNNF had synergistic effects to cell attachment, proliferation and spreading without causing cytotoxic effect on cells. The highest ALP activity was obtained in the PCL-Zn HA- BNNF group at days 7 and 14 due to release of zinc, calcium, phosphate and boron. Considering its mechanical and bioactivity properties, PCL-Zn HA-BNNF composite scaffolds hold promise as non-load bearing bone substitutes.
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Affiliation(s)
- Emine Ayşe Turhan
- Department of Micro and Nanotechnology, Middle East Technical University, Ankara 06800, Turkey
| | - Sema Akbaba
- Department of Biotechnology, Middle East Technical University, Ankara 06800, Turkey; Boron Research Institute, Turkish Energy Nuclear and Mineral Research Agency, Ankara 06520, Turkey
| | - Ayşen Tezcaner
- Department of Biotechnology, Middle East Technical University, Ankara 06800, Turkey; Department of Engineering Sciences, Middle East Technical University, Ankara 06800, Turkey; Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University, Ankara 06800, Turkey
| | - Zafer Evis
- Department of Micro and Nanotechnology, Middle East Technical University, Ankara 06800, Turkey; Department of Engineering Sciences, Middle East Technical University, Ankara 06800, Turkey.
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18
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Kalbarczyk M, Szcześ A, Belcarz A, Kazimierczak P, May Z. Zn-doped Mono- and Biphasic Calcium Phosphate Materials Derived from Agriculture Waste and Their Potential Biomedical Applications: Part I. MATERIALS (BASEL, SWITZERLAND) 2023; 16:1971. [PMID: 36903085 PMCID: PMC10003787 DOI: 10.3390/ma16051971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/22/2023] [Accepted: 02/23/2023] [Indexed: 06/18/2023]
Abstract
In this study, calcium phosphate materials were obtained via a simple, eco-friendly wet synthesis method using hen eggshells as a calcium source. It was shown that Zn ions were successfully incorporated into hydroxyapatite (HA). The obtained ceramic composition depends on the zinc content. When doped with 10 mol % of Zn, in addition to HA and Zn-doped HA, DCPD (dicalcium phosphate dihydrate) appeared and its content increased with the increase in Zn concentration. All doped HA materials exhibited antimicrobial activity against S. aureus and E. coli. Nevertheless, fabricated samples significantly decreased preosteoblast (MC3T3-E1 Subclone 4) viability in vitro, exerting a cytotoxic effect which probably resulted from their high ionic reactivity.
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Affiliation(s)
- Marta Kalbarczyk
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031 Lublin, Poland
- Department of Electrical Engineering, Lublin University of Technology, 20-618 Lublin, Poland
| | - Aleksandra Szcześ
- Department of Interfacial Phenomena, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University, 20-031 Lublin, Poland
| | - Anna Belcarz
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Paulina Kazimierczak
- Independent Unit of Tissue Engineering and Regenerative Medicine, Medical University of Lublin, 20-093 Lublin, Poland
| | - Zoltan May
- Plasma Chemistry Research Group, Institute of Materials and Environmental Sciences, Research Centre for Natural Sciences, Magyar Tudósok krt. 2, 1117 Budapest, Hungary
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Zn doped CaP coatings used for controlling the degradation rate of MgCa1 alloy: In vitro anticorrosive properties, sterilization and bacteria/cell-material interactions. Colloids Surf B Biointerfaces 2023; 222:113087. [PMID: 36542955 DOI: 10.1016/j.colsurfb.2022.113087] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 11/12/2022] [Accepted: 12/09/2022] [Indexed: 12/23/2022]
Abstract
The purpose of this study was to investigate the effect of Zn doped CaP coatings prepared by micro-arc oxidation method, as a possible approach to control MgCa1 alloy degradation. All the prepared coatings comprised a calcium deficient CaP phase. The control in this evaluation was performed with undoped CaP coating in SBF solution at body temperature (37 ± 0.5⁰C). The investigation involved determination of microchemical, mechanical, morphological, properties along with anticorrosive, cytocompatibility and antibacterial efficacy. The effect of sterilization process on the properties of the surfaces was also investigated. The results showed that the addition of Zn into CaP increased the corrosion resistance of MgCa1 alloy. Moreover, the adhesion strength of the coatings to MgCa1 alloy was enhanced by Zn addition. In cytotoxicity testing of the samples, extracts of the samples in MEM were incubated with L929 cells and malformation, degeneration and lysis of the cells were examined microscopically after 72 h. The results showed that all samples were cytocompatible. The degradation of MgCa1 alloy in the simulated body fluids (SBF) or DMEM was decreased by coating with CaP. Moreover, the degradation rate of CaP was further decreased by adding a small amount of Zn into the CaP matrix. The samples having CaP coatings and Zn doped CaP coating demonstrated antibacterial efficacy against E.coli. As a result, coating of magnesium alloy with Zn-doped CaP decreased the degradation rate, increased the corrosion resistance, cytocompatibility and the antibacterial effects of the alloys.
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Existing and Novel Biomaterials for Bone Tissue Engineering. Int J Mol Sci 2022; 24:ijms24010529. [PMID: 36613972 PMCID: PMC9820083 DOI: 10.3390/ijms24010529] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 12/23/2022] [Accepted: 12/23/2022] [Indexed: 12/31/2022] Open
Abstract
The treatment of bone defects remains one of the major challenges in modern clinical practice. Nowadays, with the increased incidence of bone disease in an aging population, the demand for materials to repair bone defects continues to grow. Recent advances in the development of biomaterials offer new possibilities for exploring modern bone tissue engineering strategies. Both natural and synthetic biomaterials have been used for tissue repair. A variety of porous structures that promote cell adhesion, differentiation, and proliferation enable better implant integration with increasingly better physical properties. The selection of a suitable biomaterial on which the patient's new tissue will grow is one of the key issues when designing a modern tissue scaffold and planning the entire treatment process. The purpose of this article is to present a comprehensive literature review of existing and novel biomaterials used in the surgical treatment of bone tissue defects. The materials described are divided into three groups-organic, inorganic, and synthetic polymers-taking into account current trends. This review highlights different types of existing and novel natural and synthetic materials used in bone tissue engineering and their advantages and disadvantages for bone defects regeneration.
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21
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Kolodziejska B, Pajchel L, Zgadzaj A, Kolmas J. A New, Biomimetic Collagen-Apatite Wound-Healing Composite with a Potential Regenerative and Anti-Hemorrhagic Effect in Dental Surgery. MATERIALS (BASEL, SWITZERLAND) 2022; 15:8888. [PMID: 36556694 PMCID: PMC9785113 DOI: 10.3390/ma15248888] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 12/01/2022] [Accepted: 12/11/2022] [Indexed: 06/17/2023]
Abstract
The aim of this work was to obtain and characterize composite biomaterials containing two components, namely carbonated hydroxyapatite, which was substituted with Mg2+ and Zn2+ ions, and natural polymer-collagen protein. The following two different types of collagen were used: lyophilized powder of telocollagen from bovine Achilles tendon and atelocollagen solution from bovine dermis. The obtained 3D materials were used as potential matrices for the targeted delivery of tranexamic acid for potential use in wound healing after tooth extractions. Tranexamic acid (TXA) was introduced into composites by two different methods. The physicochemical analyses of the obtained composites included Fourier-transform infrared spectroscopy (FT-IR), inductively coupled plasma-optical emission spectroscopy (ICP-OES), transmission electron microscopy (TEM), scanning electron microscopy (SEM), powder X-ray diffraction (PXRD), release kinetics tests, swelling test, and cytotoxicity assays. The studies showed that the proposed synthetic methods yielded biomaterials with favorable physicochemical properties, as well as the expected release profile of the drug and ions from the matrices.
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Affiliation(s)
- Barbara Kolodziejska
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-097 Warsaw, Poland
| | - Lukasz Pajchel
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-097 Warsaw, Poland
| | - Anna Zgadzaj
- Department of Environmental Health Science, Faculty of Pharmacy, Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Joanna Kolmas
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, ul. Banacha 1, 02-097 Warsaw, Poland
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22
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The Study of Nanosized Silicate-Substituted Hydroxyapatites Co-Doped with Sr 2+ and Zn 2+ Ions Related to Their Influence on Biological Activities. Curr Issues Mol Biol 2022; 44:6229-6246. [PMID: 36547086 PMCID: PMC9776463 DOI: 10.3390/cimb44120425] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/05/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Nanosized silicate-substituted hydroxyapatites, characterized by the general formula Ca9.8-x-nSrnZnx(PO4)6-y(SiO4)y(OH)2 (where: n = 0.2 [mol%]; x = 0.5-3.5 [mol%]; y = 4-5 [mol%]), co-doped with Zn2+ and Sr2+ ions, were synthesized with the help of a microwave-assisted hydrothermal technique. The structural properties were determined using XRD (X-ray powder diffraction) and Fourier-transformed infrared spectroscopy (FT-IR). The morphology, size and shape of biomaterials were detected using scanning electron microscopy techniques (SEM). The reference strains of Klebsiella pneumoniae, Escherichia coli and Pseudomonas aeruginosa were used to assess bacterial survivability and the impact on biofilm formation in the presence of nanosilicate-substituted strontium-hydroxyapatites. Safety evaluation was also performed using the standard cytotoxicity test (MTT) and hemolysis assay. Moreover, the mutagenic potential of the materials was assessed (Ames test). The obtained results suggest the dose-dependent antibacterial activity of nanomaterials, especially observed for samples doped with 3.5 mol% Zn2+ ions. Moreover, the modification with five SiO4 groups enhanced the antibacterial effect; however, a rise in the toxicity was observed as well. No harmful activity was detected in the hemolysis assay as well as in the mutagenic assay (Ames test).
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23
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Asensio G, Hernández-Arriaga AM, Martín-Del-Campo M, Prieto MA, Rojo L, Vázquez-Lasa B. A study on Sr/Zn phytate complexes: structural properties and antimicrobial synergistic effects against Streptococcus mutans. Sci Rep 2022; 12:20177. [PMID: 36418367 PMCID: PMC9684506 DOI: 10.1038/s41598-022-24300-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 11/14/2022] [Indexed: 11/25/2022] Open
Abstract
Phytic acid (PA) is an abundant natural plant component that exhibits a versatility of applications benefited from its chemical structure, standing out its use as food, packing and dental additive due to its antimicrobial properties. The capacity of PA to chelate ions is also well-established and the formation and thermodynamic properties of different metallic complexes has been described. However, research studies of these compounds in terms of chemistry and biological features are still demanded in order to extend the application scope of PA complexes. The main goal of this paper is to deepen in the knowledge of the bioactive metal complexes chemistry and their bactericide activity, to extend their application in biomaterial science, specifically in oral implantology. Thus, this work presents the synthesis and structural assessment of two metallic phytate complexes bearing the bioactive cations Zn2+ and Sr2+ (ZnPhy and SrPhy respectively), along with studies on the synergic biological properties between PA and cations. Metallic phytates were synthesized in the solid-state by hydrothermal reaction leading to pure solid compounds in high yields. Their molecular formulas were C6H12024P6Sr4·5H2O and C6H12024P6Zn6·6H2O, as determined by ICP and HRES-TGA. The metal coordination bond of the solid complexes was further analysed by EDS, Raman, ATR-FTIR and solid 13C and 31P-NMR spectroscopies. Likewise, we evaluated the in vitro ability of the phytate compounds for inhibiting biofilm production of Streptococcus mutans cultures. Results indicate that all compounds significantly reduced biofilm formation (PA < SrPhy < ZnPhy), and ZnPhy even showed remarkable differences with respect to PA and SrPhy. Analysis of antimicrobial properties shows the first clues of the possible synergic effects created between PA and the corresponding cation in different cell metabolic processes. In overall, findings of this work can contribute to expand the applications of these bioactive metallic complexes in the biotechnological and biomedical fields, and they can be considered for the fabrication of anti-plaque coating systems in the dentistry field.
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Affiliation(s)
- Gerardo Asensio
- Instituto de Ciencia y Tecnología de Polímeros, (ICTP), CSIC, C/ Juan de la Cierva, 3, 28006, Madrid, Spain
| | - Ana M Hernández-Arriaga
- Centro de Investigaciones Biológicas - Margarita Salas (CIB-Margarita Salas), CSIC, C/ Ramiro de Maeztu, 9, 28040, Madrid, Spain
- Interdisciplinary Platform for Sustainable Plastics Towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), Madrid, Spain
| | - Marcela Martín-Del-Campo
- Instituto de Ciencia y Tecnología de Polímeros, (ICTP), CSIC, C/ Juan de la Cierva, 3, 28006, Madrid, Spain
- Facultad de Estomatología, Universidad Autónoma San Luis Potosí, Avenida Dr. Manuel Nava, 2, 78290, San Luis, México
| | - M Auxiliadora Prieto
- Centro de Investigaciones Biológicas - Margarita Salas (CIB-Margarita Salas), CSIC, C/ Ramiro de Maeztu, 9, 28040, Madrid, Spain
- Interdisciplinary Platform for Sustainable Plastics Towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), Madrid, Spain
| | - Luis Rojo
- Instituto de Ciencia y Tecnología de Polímeros, (ICTP), CSIC, C/ Juan de la Cierva, 3, 28006, Madrid, Spain.
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Madrid, Spain.
- Interdisciplinary Platform for Sustainable Plastics Towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), Madrid, Spain.
| | - Blanca Vázquez-Lasa
- Instituto de Ciencia y Tecnología de Polímeros, (ICTP), CSIC, C/ Juan de la Cierva, 3, 28006, Madrid, Spain
- Centro de Investigación Biomédica en Red de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Madrid, Spain
- Interdisciplinary Platform for Sustainable Plastics Towards a Circular Economy-Spanish National Research Council (SusPlast-CSIC), Madrid, Spain
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24
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El-Bassyouni GT, Kenawy SH, El-Aty AAA, Hamzawy EM, Turky GM. Influence of ZnO doped into hydroxyapatite: Structural, electrical, biocompatibility, and antimicrobial assessment. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133700] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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25
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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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Song S, Um SH, Park J, Ha I, Lee J, Kim S, Lee H, Cheon CH, Ko SH, Kim YC, Jeon H. Rapid Synthesis of Multifunctional Apatite via the Laser-Induced Hydrothermal Process. ACS NANO 2022; 16:12840-12851. [PMID: 35950962 DOI: 10.1021/acsnano.2c05110] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Synthetic biomaterials are used to overcome the limited quantity of human-derived biomaterials and to impart additional biofunctionality. Although numerous synthetic processes have been developed using various phases and methods, currently commonly used processes have some issues, such as a long process time and difficulties with extensive size control and high-concentration metal ion substitution to achieve additional functionality. Herein, we introduce a rapid synthesis method using a laser-induced hydrothermal process. Based on the thermal interaction between the laser pulses and titanium, which was used as a thermal reservoir, hydroxyapatite particles ranging from nanometer to micrometer scale could be synthesized in seconds. Further, this method enabled selective metal ion substitution into the apatite matrix with a controllable concentration. We calculated the maximum temperature achieved by laser irradiation at the surface of the thermal reservoir based on the validation of three simplification assumptions. Subsequent linear regression analysis showed that laser-induced hydrothermal synthesis follows an Arrhenius chemical reaction. Hydroxyapatite and Mg2+-, Sr2+-, and Zn2+-substituted apatite powders promoted bone cell attachment and proliferation ability due to ion release from the hydroxyapatite and the selective ion-substituted apatite powders, which had a low crystallinity and relatively high solubility. Laser-induced hydrothermal synthesis is expected to become a powerful ceramic material synthesis technology.
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Affiliation(s)
- Sangmin Song
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Seung-Hoon Um
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Jaeho Park
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Department of Materials science and Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Inho Ha
- Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Jaehong Lee
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
| | - Seongchan Kim
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Hyojin Lee
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
| | - Cheol-Hong Cheon
- Department of Chemistry, Korea University, Seoul, 02841, Republic of Korea
| | - Seung Hwan Ko
- Department of Mechanical Engineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Yu-Chan Kim
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
| | - Hojeong Jeon
- Biomaterials Research Center, Biomedical Research Division, Korea Institute of Science and Technology, Seoul 02792, Republic of Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seoul 02841, Republic of Korea
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Jiang Z, Gong Z, Song W, Wu P, Deng C, Chen Q, Yan T. A promising hydroxyapatite whisker with long-term and high-efficiency antibacterial performance and its potential application in implant. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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28
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The Effect of Mn on the Mechanical Properties and In Vitro Behavior of Biodegradable Zn-2%Fe Alloy. METALS 2022. [DOI: 10.3390/met12081291] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The attractiveness of Zn-based alloys as structural materials for biodegradable implants mainly relates to their excellent biocompatibility, critical physiological roles in the human body and excellent antibacterial properties. Furthermore, in in vivo conditions, they do not tend to produce hydrogen gas (as occurs in the case of Mg-based alloys) or voluminous oxide (as occurs in Fe-based alloys). However, the main disadvantages of Zn-based alloys are their reduced mechanical properties and their tendency to provoke undesirable fibrous encapsulation due to their relatively high standard reduction potential. The issue of fibrous encapsulation was previously addressed by the authors via the development of the Zn-2%Fe alloy that was selected as the base alloy for this study. This development assumed that the addition of Fe to pure Zn can create a microgalvanic effect between the Delta phase (Zn11Fe) and the Zn-matrix that significantly increases the biodegradation rate of the alloy. The aim of the present study is to examine the effect of up to 0.8% Mn on the mechanical properties of biodegradable Zn-2%Fe alloy and to evaluate the corrosion behavior and cytotoxicity performance in in vitro conditions. The selection of Mn as an alloying element is related to its vital role in the synthesis of proteins and the activation of enzyme systems, as well as the fact that Mn is not considered to be a toxic element. Microstructure characterization was carried out by optical microscopy and scanning electron microscopy (SEM), while phase analysis was obtained by X-ray diffraction (XRD). Mechanical properties were examined in terms of hardness and tensile strength, while corrosion performance and electrochemical behavior were assessed by immersion tests, open circuit potential examination, potentiodynamic polarization analysis and impedance spectroscopy. All the in vitro corrosion testing was performed in a simulated physiological environment in the form of a phosphate-buffered saline (PBS) solution. The cytotoxicity performance was evaluated by indirect cell viability analysis, carried out according to the ISO 10993-5/12 standard using Mus musculus 4T1 cells. The obtained results clearly demonstrate the strengthening effect of the biodegradable Zn-2%Fe alloy due to Mn addition. The effect of Mn on in vitro corrosion degradation was insignificant, while in parallel Mn had a favorable effect on indirect cell viability.
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29
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Oshita M, Umeda K, Kataoka M, Azuma Y, Furuzono T. Continuous antimicrobial mechanism of dispersible hydroxyapatite nanoparticles doped with zinc ions for percutaneous device coatings. J Biomater Appl 2022; 37:659-667. [PMID: 35708097 DOI: 10.1177/08853282221108839] [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: 11/16/2022]
Abstract
Percutaneous devices-indwelling catheters-related infections are serious clinical incidents. It is accordingly necessary to develop anti-infective coating materials suitable for the devices for long-term effectiveness. In our research group, highly dispersible and crystalline hydroxyapatite (HAp) nanoparticles doped with metallic or halogen ions possessing antibacterial activities have been developed. In this study, antibacterial, dispersible, and crystalline zinc (Zn)-doped hydroxyapatite [Zn(15)-HAp] nanoparticles substituted with 13.5% Zn content [Zn/(Zn + Ca) × 100] were prepared by a wet chemical method using an anti-sintering agent through calcination. Antibacterial activities of Zn(15)-HAp nanoparticles were evaluated using Escherichia coli (E. coli) and Staphylococcus aureus. The survival rates of the bacteria on Zn(15)-HAp nanoparticles were significantly lower than that on normal HAp (nHAp) coated surfaces, while no influences were observed on proliferation of L929 cells. Even after soaking Zn(15)-HAp nanoparticles in PBS for 2 weeks, the antibacterial activities against E. coli were maintained at a similar level to a 20 min soaking. The bacterial death was related to not only ion-exchange phenomenon between Zn and magnesium ions but also accumulation of reactive oxygen species (ROS) in the cells. Allergic-like reactions-anaphylactoid reactions-might not readily occur with Zn(15)-HAp nanoparticles because the amounts of histamine released from HMC-1 cells co-cultured with nanoparticles were not significantly different to that of nHAp, but were statistically much lower than that of chlorhexidine.
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Affiliation(s)
- Mari Oshita
- Biological System Engineering, 74014Graduate School of Biology Oriented Science and Technology, Kindai University, Kinokawa, Japan
| | - Koji Umeda
- Biological System Engineering, 74014Graduate School of Biology Oriented Science and Technology, Kindai University, Kinokawa, Japan
| | - Minami Kataoka
- Biological System Engineering, 74014Graduate School of Biology Oriented Science and Technology, Kindai University, Kinokawa, Japan
| | - Yoshinao Azuma
- Biotechnological Science, 74014Graduate School of Biology Oriented Science and Technology, Kindai University, Kinokawa, Japan
| | - Tsutomu Furuzono
- Biological System Engineering, 74014Graduate School of Biology Oriented Science and Technology, Kindai University, Kinokawa, Japan
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30
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Manzoor F, Golbang A, Dixon D, Mancuso E, Azhar U, Manolakis I, Crawford D, McIlhagger A, Harkin-Jones E. 3D Printed Strontium and Zinc Doped Hydroxyapatite Loaded PEEK for Craniomaxillofacial Implants. Polymers (Basel) 2022; 14:1376. [PMID: 35406250 PMCID: PMC9002955 DOI: 10.3390/polym14071376] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/14/2022] [Accepted: 03/22/2022] [Indexed: 02/05/2023] Open
Abstract
In this study, Strontium (Sr) and Zinc (Zn) doped-HA nanoparticles were synthesized and incorporated into polyetheretherketone (PEEK) up to 30 wt.% and processed by a novel approach i.e., fused deposition modelling (FDM) 3D printing for the production of patient specific cranial implants with improved bioactivity and the required mechanical performance. Filaments were produced via extrusion and subsequently 3D-printed using FDM. To further improve the bioactivity of the 3D-printed parts, the samples were dip-coated in polyethylene glycol-DOPA (PEG-DOPA) solution. The printing quality was influenced by filler loading, but was not significantly influenced by the nature of doped-HA. Hence, the printing conditions were optimized for each sample. Micro-CT and Scanning Electron Microscopy (SEM) showed a uniform distribution of bioceramic particles in PEEK. Although agglomeration of particles increased with increase in filler loadings. Differential Scanning Calorimetry (DSC) showed that the melting point and crystallinity of PEEK increased with an increase in doped-HA loading from 343 °C to 355 °C and 27.7% to 34.6%, respectively. Apatite formation was confirmed on the 3D-printed samples after immersion in simulated body fluid (SBF) for 7, 14 and 28 days via SEM, X-ray diffraction (XRD) and Fourier Transform Infrared Spectroscopy (FTIR). The tensile strength and impact strength decreased from 75 MPa to 51 MPa and 14 kJ/m2 to 4 kJ/m2, respectively, while Young's modulus increased with increasing doped-HA content from 2.8 GPa to 4.2 GPa. However, the tensile strengths of composites remained in the range of human cortical bone i.e., ≥50 MPa. In addition, there was a slight increase in mechanical strength after 28 days immersion which was attributed to apatite formation. Water contact angle showed that the hydrophilicity of the samples improved after coating the 3D-printed samples with PEG-DOPA. Hence, based on the results, the 3D-printed PEEK nanocomposites with 20 wt.% doped-HA is selected as the best candidate for the 3D-printing of craniomaxillofacial implants.
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Affiliation(s)
- Faisal Manzoor
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (A.M.); (E.H.-J.)
| | - Atefeh Golbang
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (A.M.); (E.H.-J.)
| | - Dorian Dixon
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (D.D.); (E.M.)
| | - Elena Mancuso
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (D.D.); (E.M.)
| | - Usaid Azhar
- Precision Engineering, Materials & Manufacturing (PEM) Research Centre, Institute of Technology Sligo, Ash Lane, F91 YW50 Sligo, Ireland; (U.A.); (I.M.)
- Department of Life Sciences, Institute of Technology Sligo, Ash Lane, F91 YW50 Sligo, Ireland
| | - Ioannis Manolakis
- Precision Engineering, Materials & Manufacturing (PEM) Research Centre, Institute of Technology Sligo, Ash Lane, F91 YW50 Sligo, Ireland; (U.A.); (I.M.)
- Department of Life Sciences, Institute of Technology Sligo, Ash Lane, F91 YW50 Sligo, Ireland
| | - Daniel Crawford
- Axial 3D, Alexander House, 17a Ormeau Ave, Belfast BT2 8HD, UK;
| | - Alistair McIlhagger
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (A.M.); (E.H.-J.)
| | - Eileen Harkin-Jones
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, Newtownabbey BT37 0QB, UK; (A.M.); (E.H.-J.)
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31
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Velusamy N, Sundarabharathi L, Saminathan RK. Microwave synthesis, characterization and antibacterial performance of dual mineralized nanohydroxyapatite for biomedical applications. BIOCATALYSIS AND AGRICULTURAL BIOTECHNOLOGY 2022. [DOI: 10.1016/j.bcab.2022.102303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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32
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Mahanty A, Shikha D. Changes in the morphology, mechanical strength and biocompatibility of polymer and metal/polymer fabricated hydroxyapatite for orthopaedic implants: a review. JOURNAL OF POLYMER ENGINEERING 2022. [DOI: 10.1515/polyeng-2021-0171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Hydroxyapatite (HAp) is a well-known bioceramic known for its high biocompatibility and good bioactivity. The structure of HAp mimics the natural bone structure and thus, it is widely used as implants for hard tissues. Despite possessing the above properties, it lacks mechanical strength, is susceptible to the growth of microbes over time and has low degradability. Polymers can be synthetic or natural. They can be a better choice to be used as additives to improve the properties of HAp due to its better mechanical strength and high biodegradability. A combination of metals and polymers together can overcome the drawbacks of HAp to a greater extent. This review article deals with different polymers and metal/polymer fabricated HAp to show the changes in the properties of HAp following the substitution. It also deals with how better they could be used as a hard tissue implant.
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Affiliation(s)
- Anuradha Mahanty
- Department of Chemistry , Birla Institute of Technology , Mesra , Ranchi 835215 , India
| | - Deep Shikha
- Department of Chemistry , Birla Institute of Technology , Mesra , Ranchi 835215 , India
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33
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Tamay DG, Gokyer S, Schmidt J, Vladescu A, Yilgor Huri P, Hasirci V, Hasirci N. Corrosion Resistance and Cytocompatibility of Magnesium-Calcium Alloys Modified with Zinc- or Gallium-Doped Calcium Phosphate Coatings. ACS APPLIED MATERIALS & INTERFACES 2022; 14:104-122. [PMID: 34958199 DOI: 10.1021/acsami.1c16307] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In orthopedic surgery, metals are preferred to support or treat damaged bones due to their high mechanical strength. However, the necessity for a second surgery for implant removal after healing creates problems. Therefore, biodegradable metals, especially magnesium (Mg), gained importance, although their extreme susceptibility to galvanic corrosion limits their applications. The focus of this study was to control the corrosion of Mg and enhance its biocompatibility. For this purpose, surfaces of magnesium-calcium (MgCa1) alloys were modified with calcium phosphate (CaP) or CaP doped with zinc (Zn) or gallium (Ga) via microarc oxidation. The effects of surface modifications on physical, chemical, and mechanical properties and corrosion resistance of the alloys were studied using surface profilometry, goniometry, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), nanoindentation, and electrochemical impedance spectroscopy (EIS). The coating thickness was about 5-8 μm, with grain sizes of 43.1 nm for CaP coating and 28.2 and 58.1 nm for Zn- and Ga-doped coatings, respectively. According to EIS measurements, the capacitive response (Yc) decreased from 11.29 to 8.72 and 0.15 Ω-1 cm-2 sn upon doping with Zn and Ga, respectively. The Ecorr value, which was -1933 mV for CaP-coated samples, was found significantly electropositive at -275 mV for Ga-doped ones. All samples were cytocompatible according to indirect tests. In vitro culture with Saos-2 cells led to changes in the surface compositions of the alloys. The numbers of cells attached to the Zn-doped (2.6 × 104 cells/cm2) and Ga-doped (6.3 × 104 cells/cm2) coatings were higher than that on the surface of the undoped coating (1.0 × 103 cells/cm2). Decreased corrosivity and enhanced cell affinity of the modified MgCa alloys (CaP coated and Zn and Ga doped, with Ga-doped ones having the greatest positive effect) make them novel and promising candidates as biodegradable metallic implant materials for the treatment of bone damages and other orthopedic applications.
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Affiliation(s)
- Dilara Goksu Tamay
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Biotechnology, Middle East Technical University (METU), Ankara 06800, Turkey
| | - Seyda Gokyer
- Department of Biomedical Engineering, Ankara University, Ankara 06830, Turkey
| | - Jürgen Schmidt
- Team Leader Electrochemistry, INNOVENT e.V. Technology Development, Prüssingstraße 27b, Jena 07745, Germany
| | - Alina Vladescu
- National Institute of Research and Development for Optoelectronics - INOE 2000, 409 Atomistilor St., Magurele 077125, Romania
- Physical Materials Science and Composite Materials Centre, Research School of Chemistry and Applied Biomedical Sciences, National Research Tomsk Polytechnic University, Lenin Avenue 43, Tomsk 634050, Russia
| | - Pinar Yilgor Huri
- Department of Biomedical Engineering, Ankara University, Ankara 06830, Turkey
| | - Vasif Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Medical Engineering, Acibadem Mehmet Ali Aydinlar University, Istanbul 34684, Turkey
- Biomaterials Center, Acibadem Mehmet Ali Aydinlar University, Istanbul 34684, Turkey
| | - Nesrin Hasirci
- BIOMATEN, Center of Excellence in Biomaterials and Tissue Engineering, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Biotechnology, Middle East Technical University (METU), Ankara 06800, Turkey
- Department of Chemistry, Middle East Technical University, Ankara 06800, Turkey
- Tissue Engineering and Biomaterial Research Center, Near East University, 99138 Nicosia, TRNC, Mersin 10, Turkey
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Stress Corrosion Analysis and Direct Cell Viability of Biodegradable Zn-Fe-Ca Alloy in In-Vitro Conditions. METALS 2022. [DOI: 10.3390/met12010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Due to the excellent biocompatibility of Zn and Zn-based alloys, researchers have shown great interest in developing biodegradable implants based on zinc. Furthermore, zinc is an essential component of many enzymes and proteins. The human body requires ~15 mg of Zn per day, and there is minimal concern for systemic toxicity from a small zinc-based cardiovascular implant, such as an arterial stent. However, biodegradable Zn-based implants have been shown to provoke local fibrous encapsulation reactions that may isolate the implant from its surrounding environment and interfere with implant function. The development of biodegradable implants made from Zn-Fe-Ca alloy was designed to overcome the problem of fibrous encapsulation. In a previous study made by the authors, the Zn-Fe-Ca system demonstrated a suitable corrosion rate that was higher than that of pure Zn and Zn-Fe alloy. The Zn-Fe-Ca system also showed adequate mechanical properties and a unique microstructure that contained a secondary Ca-reach phase. This has raised the promise that the tested alloy could serve as a biodegradable implant metal. The present study was conducted to further evaluate this promising Zn alloy. Here, we assessed the material’s corrosion performance in terms of cyclic potentiodynamic polarization analysis and stress corrosion behavior in terms of slow strain rate testing (SSRT). We also assessed the ability of cells to survive on the alloy surface by direct cell culture test. The results indicate that the alloy develops pitting corrosion, but not stress corrosion under phosphate-buffered saline (PBS) and air environment. The direct cell viability test demonstrates the successful adherence and growth of cells on the alloy surface.
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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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Influence of Terbium Ions and Their Concentration on the Photoluminescence Properties of Hydroxyapatite for Biomedical Applications. NANOMATERIALS 2021; 11:nano11092442. [PMID: 34578759 PMCID: PMC8466322 DOI: 10.3390/nano11092442] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 09/13/2021] [Accepted: 09/16/2021] [Indexed: 12/14/2022]
Abstract
A new generation of biomaterials with terbium-doped hydroxyapatite was obtained using a coprecipitation method. The synthesis of new materials with luminescent properties represents a challenging but important contribution due to their potential applications in biomedical science. The main objective of this study was to revel the influence of terbium ions on the design and structure of hydroxyapatite. Different concentrations of terbium, described by the chemical formula Ca10−xTbx(PO4)6(OH)2, where x is in the range of 0 to 1, were considered. The consequence of ion concentration on hydroxyapatite morphology was also investigated. The morphology and structure, as well as the optical properties, of the obtained nanomaterials were characterized using X-ray powder diffraction analysis (XRD), Fourier Transform Infrared spectrometry (FTIR), SEM and TEM microscopy, UV-Vis and photoluminescence spectroscopies. The measurements revealed that terbium ions were integrated into the structure of hydroxyapatite within certain compositional limits. The biocompatibility and cytotoxicity of the obtained powders evaluated using MTT assay, oxidative stress assessment and fluorescent microscopy revealed the ability of the synthesized nanomaterials to be used for biological system imaging.
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Alturki AM, Abulyazied DE, Taha MA, Abomostafa HM, Youness RA. A Study to Evaluate the Bioactivity Behavior and Electrical Properties of Hydroxyapatite/Ag2O-Borosilicate Glass Nanocomposites for Biomedical Applications. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02100-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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38
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Kizalaite A, Grigoraviciute-Puroniene I, Asuigui DRC, Stoll SL, Cho SH, Sekino T, Kareiva A, Zarkov A. Dissolution-Precipitation Synthesis and Characterization of Zinc Whitlockite with Variable Metal Content. ACS Biomater Sci Eng 2021; 7:3586-3593. [PMID: 34318657 PMCID: PMC8396804 DOI: 10.1021/acsbiomaterials.1c00335] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 07/16/2021] [Indexed: 11/29/2022]
Abstract
In the present work, a series of zinc whitlockite (CaxZny(HPO4)2(PO4)12) powders was synthesized by a low-temperature dissolution-precipitation process for the first time. The phase conversion from calcium hydroxyapatite to zinc whitlockite occurred in an acidic medium in the presence of Zn2+ ions. Variable chemical composition of the synthesis products was achieved by changing Ca-to-Zn molar ratio in the reaction mixture. Investigation of the phase evolution as a function of time demonstrated that phase-pure zinc whitlockite powders can be synthesized in just 3 h. It is also demonstrated that single-phase products can be obtained when the Ca-to-Zn ratio in the reaction medium is in the range from 9 to 30. With higher or lower ratios, neighboring crystal phases such as scholzite or calcium hydroxyapatite were obtained. The morphology of the synthesized powders was found to be dependent on the chemical composition, transforming from hexagonal to rhombohedral plates with the increase of Zn content. Thermal stability studies revealed that the synthesized compounds were thermally unstable and decomposed upon heat treatment.
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Affiliation(s)
- Agne Kizalaite
- Institute
of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
| | | | - Dane Romar C. Asuigui
- Department
of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Sarah L. Stoll
- Department
of Chemistry, Georgetown University, 37th and O Streets NW, Washington, D.C. 20057, United States
| | - Sung Hun Cho
- SANKEN
(The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Tohru Sekino
- SANKEN
(The Institute of Scientific and Industrial Research), Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Aivaras Kareiva
- Institute
of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
| | - Aleksej Zarkov
- Institute
of Chemistry, Vilnius University, Naugarduko 24, LT-03225 Vilnius, Lithuania
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Ruffini A, Sandri M, Dapporto M, Campodoni E, Tampieri A, Sprio S. Nature-Inspired Unconventional Approaches to Develop 3D Bioceramic Scaffolds with Enhanced Regenerative Ability. Biomedicines 2021; 9:916. [PMID: 34440120 PMCID: PMC8389705 DOI: 10.3390/biomedicines9080916] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 12/13/2022] Open
Abstract
Material science is a relevant discipline in support of regenerative medicine. Indeed, tissue regeneration requires the use of scaffolds able to guide and sustain the natural cell metabolism towards tissue regrowth. This need is particularly important in musculoskeletal regeneration, such as in the case of diseased bone or osteocartilaginous regions for which calcium phosphate-based scaffolds are considered as the golden solution. However, various technological barriers related to conventional ceramic processing have thus far hampered the achievement of biomimetic and bioactive scaffolds as effective solutions for still unmet clinical needs in orthopaedics. Driven by such highly impacting socioeconomic needs, new nature-inspired approaches promise to make a technological leap forward in the development of advanced biomaterials. The present review illustrates ion-doped apatites as biomimetic materials whose bioactivity resides in their unstable chemical composition and nanocrystallinity, both of which are, however, destroyed by the classical sintering treatment. In the following, recent nature-inspired methods preventing the use of high-temperature treatments, based on (i) chemically hardening bioceramics, (ii) biomineralisation process, and (iii) biomorphic transformations, are illustrated. These methods can generate products with advanced biofunctional properties, particularly biomorphic transformations represent an emerging approach that could pave the way to a technological leap forward in medicine and also in various other application fields.
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Affiliation(s)
| | | | | | | | - Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council, 48018 Faenza, Italy; (A.R.); (M.S.); (M.D.); (E.C.)
| | - Simone Sprio
- Institute of Science and Technology for Ceramics, National Research Council, 48018 Faenza, Italy; (A.R.); (M.S.); (M.D.); (E.C.)
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40
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Ibrahim EH, Ghramh HA, Kilany M. Development of rapid and cost-effective top-loading device for the detection of anti-SARS-CoV-2 IgG/IgM antibodies. Sci Rep 2021; 11:14926. [PMID: 34290350 PMCID: PMC8295295 DOI: 10.1038/s41598-021-94444-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Accepted: 07/12/2021] [Indexed: 12/28/2022] Open
Abstract
Infection with SARS-CoV-2, the Betacoronavirus, caused a pandemic that affected the globe negatively. The gold method, RT-PCR, can detect SARS-CoV-2 but it is time-consuming and needs sophisticated equipment and professional personnel. On the other hand, rapid tests offer fast results and can detect anti-SARS-CoV-2 antibodies (Abs). The aim of this study is to develop a new rapid and cost-effective method for the detection of anti-SARS-CoV-2 IgG/IgM Abs. A new top-loading detection device was developed and composed of a small piece of plastic (25 × 25 × 0.5 mm) with an opening in the center, a piece of nitrocellulose (NC) membrane enough to block the opening from one side and adhesive tape to affix the NC to the plastic piece. The NC is blotted with anti-human IgG/IgM and rabbit serum. The device was evaluated against a commercially available IgG/IgM ELISA detection kit using normal, Covid-19-positive, HCV, HBV, and Cytomegalovirus-positive sera. Outcomes demonstrated simplicity, reproducibility, and accuracy of the new device and results can be obtained in less than 5 min. We anticipate our developed assay method to be used widely in point of care before deciding on the use of expensive nucleic acid assays.
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Affiliation(s)
- Essam H Ibrahim
- Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.
- Blood Products Quality Control and Research Department, National Organization for Research and Control of Biologicals, Cairo, Egypt.
| | - Hamed A Ghramh
- Biology Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
- Unit of Bee Research and Honey Production, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Mona Kilany
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
- Department of Microbiology, National Organization for Drug Control and Research (NODCAR), Cairo, Egypt
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Synthesis, Structural and Biomedical Characterization of Hydroxyapatite/Borosilicate Bioactive Glass Nanocomposites. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02070-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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42
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Zn-Doped CaP-Based Coatings on Ti–6Al–4V and Ti–6Al–7Nb Alloys Prepared by Magnetron Sputtering: Controllable Biodegradation, Bacteriostatic, and Osteogenic Activities. COATINGS 2021. [DOI: 10.3390/coatings11070809] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
New TiNb-based alloys, such as Ti–6Al–7Nb, are currently being studied around the world as an alternative to other Ti alloys, e.g., instead of Ti–6Al–4V. We conducted a pilot study where thin (approximately 1.2 micron) CaP coatings containing low doses of Zn2+ (0.4–0.8 wt.%) were prepared by the radio frequency magnetron sputtering (RFMS) of Zn-hydroxyapatite (HA) target on Ti–6Al–4V and Ti–6Al–7Nb substrates and investigated their physicochemical properties, in vitro solubility, cytotoxicity, and antibacterial and osteogenic activities. The thickness of the obtained coatings was approximately 1.2–1.3 microns. Zn substitution did not result in roughness or structural or surface changes in the amorphous CaP coatings. The distributions of Ca, P, and Zn were homogeneous across the film thickness as shown by the EDX mapping of these elements. Zn doping of CaP coatings on both types of Ti-based alloys statistically influenced the results of the scratch-test. However, obtained values are satisfactory to use Zn-CaP coatings on biomedical implants. Increased Zn2+ release vs. tapered output of Ca and phosphate ions occurred during 5 weeks of an in vitro immersion test in 0.9% NaCl solution. Ti–6Al–7Nb alloy, unlike Ti–6Al–4V, promoted more linear biodegradation of CaP coatings in vitro. As a result, CaP-based surfaces on Ti–6Al–7Nb, compared with on Ti–6Al–4V alloy, augmented the total areas of Alizarin red staining in a 21-day culture of human adipose-derived mesenchymal stem cells in a statistically significant manner. Moreover, Zn–CaP coatings statistically reduced leukemic Jurkat T cell survival within 48 h of in vitro culture. Along with the higher solubility of the Zn–CaP surface, a greater reduction (4- to 5.5-fold) in Staphylococcus aureus growth was observed in vitro when 7-day extracts of the coatings were added into the microbial culture. Hence, Zn–CaP-coated Ti–6Al–7Nb alloy with controllable biodegradation as prepared by RFMS is a prospective material suitable for bone applications in cases where there is a risk of bacterial contamination with severe consequences, for example, in leukemic patients. Further research is needed to closely investigate the mechanical features and pathways of their solubility and antimicrobial, antitumor, and osteogenic activities.
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Pedrosa MCG, dos Anjos SA, Mavropoulos E, Bernardo PL, Granjeiro JM, Rossi AM, Dias ML. Structure and biological compatibility of polycaprolactone/zinc-hydroxyapatite electrospun nanofibers for tissue regeneration. J BIOACT COMPAT POL 2021. [DOI: 10.1177/08839115211022448] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Although guided tissue regeneration (GTR) is a useful tool for regenerating lost tissue as bone and periodontal tissue, a biocompatible membrane capable of regenerating large defects has yet to be discovered. This study aimed to characterize the physicochemical properties and biological compatibility of polycaprolactone (PCL) membranes associated with or without nanostructured hydroxyapatite (HA) (PCL/HA) and Zn-doped HA (PCL/ZnHA), produced by electrospinning. PCL, PCL/HA, and PCL/ZnHA were characterized by field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy (EDS), X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and differential scanning calorimetry (DSC). Nanoparticles of HA or ZnHA were homogeneously distributed and dispersed inside the PCL fibers, which decreased the fiber thickness. At 1 wt% of HA or ZnHA, these nanoparticles acted as nucleating agents. Moreover, HA and ZnHA increased the onset of the degradation temperature and thermal stability of the electrospun membrane. All tested membranes showed no cytotoxicity and allowed murine pre-osteoblast adhesion and spreading; however, higher concentrations of PCL/ZnHA showed less cells and an irregular cell morphology compared to PCL and PCL/HA. This article presents a cytocompatible, electrospun, nanocomposite membrane with a novel morphology and physicochemical properties that make it eligible as a scaffold for GTR.
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Affiliation(s)
- Maria Clara Guimaraes Pedrosa
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | | | - Elena Mavropoulos
- Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil
| | | | - José Mauro Granjeiro
- Directory of Life Sciences Applied Metrology, Instituto Nacional de Metrologia, Qualidade e Tecnologia (INMETRO), Duque de Caxias, RJ, Brazil
| | | | - Marcos Lopes Dias
- Instituto de Macromoléculas Professora Eloisa Mano (IMA), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Manzoor F, Golbang A, Jindal S, Dixon D, McIlhagger A, Harkin-Jones E, Crawford D, Mancuso E. 3D printed PEEK/HA composites for bone tissue engineering applications: Effect of material formulation on mechanical performance and bioactive potential. J Mech Behav Biomed Mater 2021; 121:104601. [PMID: 34077906 DOI: 10.1016/j.jmbbm.2021.104601] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/14/2021] [Accepted: 05/17/2021] [Indexed: 12/13/2022]
Abstract
Polyetheretherketone (PEEK) is a biocompatible polymer widely used for biomedical applications. Because it is biologically inert, bioactive phases, such as nano-hydroxyapatite (HA), have been added to PEEK in order to improve its bioactivity. 3D printing (3DP) technologies are being increasingly used today to manufacture patient specific devices and implants. However, processing of PEEK is challenging due to its high melting point which is above 340 °C. In this study, PEEK-based filaments containing 10 wt% of pure nano-HA, strontium (Sr)- doped nano-HA and Zinc (Zn)-doped nano-HA were produced via hot-melt extrusion and subsequently 3D printed via fused deposition modelling (FDM), following an initial optimization process. The raw materials, extruded filaments and 3D printed samples were characterized in terms of physicochemical, thermal and morphological analysis. Moreover, the mechanical performance of 3D printed specimens was assessed via tensile tensing. Although an increase in the melting point and a reduction in crystallization temperature was observed with the addition of HA and doped HA to pure PEEK, there was no noticeable increase in the degree of crystallinity. Regarding the mechanical behavior, no significant differences were detected following the addition of the inorganic phases to the polymeric matrix, although a small reduction in the ultimate tensile strength (~14%) and Young's modulus (~5%) in PEEK/HA was observed in comparison to pure PEEK. Moreover, in vitro bioactivity of 3D printed samples was evaluated via a simulated body fluid immersion test for up to 28 days; the formation of apatite was observed on the surfaces of sample surfaces containing HA, SrHA and ZnHA. These results indicate the potential to produce bioactive, 3DP PEEK composites for challenging applications such as in craniofacial bone repair.
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Affiliation(s)
- Faisal Manzoor
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom.
| | - Atefeh Golbang
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom
| | - Swati Jindal
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom
| | - Dorian Dixon
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom
| | - Alistair McIlhagger
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom
| | - Eileen Harkin-Jones
- Department of Mechanical Engineering, School of Engineering, Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom
| | - Daniel Crawford
- Axial 3D, Alexander House, 17a Ormeau Ave, BT2 8HD, Belfast, United Kingdom
| | - Elena Mancuso
- Nanotechnology and Integrated Bio-Engineering Centre (NIBEC), Ulster University, Shore Road, BT37 0QB, Newtownabbey, United Kingdom.
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Research status of biodegradable metals designed for oral and maxillofacial applications: A review. Bioact Mater 2021; 6:4186-4208. [PMID: 33997502 PMCID: PMC8099919 DOI: 10.1016/j.bioactmat.2021.01.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 01/08/2023] Open
Abstract
The oral and maxillofacial regions have complex anatomical structures and different tissue types, which have vital health and aesthetic functions. Biodegradable metals (BMs) is a promising bioactive materials to treat oral and maxillofacial diseases. This review summarizes the research status and future research directions of BMs for oral and maxillofacial applications. Mg-based BMs and Zn-based BMs for bone fracture fixation systems, and guided bone regeneration (GBR) membranes, are discussed in detail. Zn-based BMs with a moderate degradation rate and superior mechanical properties for GBR membranes show great potential for clinical translation. Fe-based BMs have a relatively low degradation rate and insoluble degradation products, which greatly limit their application and clinical translation. Furthermore, we proposed potential future research directions for BMs in the oral and maxillofacial regions, including 3D printed BM bone scaffolds, surface modification for BMs GBR membranes, and BMs containing hydrogels for cartilage regeneration, soft tissue regeneration, and nerve regeneration. Taken together, the progress made in the development of BMs in oral and maxillofacial regions has laid a foundation for further clinical translation.
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Donnadio A, Bini M, Centracchio C, Mattarelli M, Caponi S, Ambrogi V, Pietrella D, Di Michele A, Vivani R, Nocchetti M. Bioinspired Reactive Interfaces Based on Layered Double Hydroxides-Zn Rich Hydroxyapatite with Antibacterial Activity. ACS Biomater Sci Eng 2021; 7:1361-1373. [PMID: 33739085 DOI: 10.1021/acsbiomaterials.0c01643] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This work is focused on the preparation and multi-technique characterization of potentially biocompatible reactive interfaces obtained by combining layered double hydroxides (LDHs) and hydroxyapatite (HA). Antimicrobial and osteoinductive metallic ions as Zn2+ and Ga3+ were chosen as intralayer constituents of LDH to obtain ZnAl and ZnAlGa systems. These LDHs, exchanged with dihydrogenphosphate anions, promoted the precipitation of HA on the LDH surface yielding HA@LDH composites. X-ray diffraction quantitative analysis, through the Rietveld refinement method, coupled with elemental analysis and micro-Raman spectroscopy showed the formation of a mixed Ca-Zn HA phase. Scanning electron microscopy revealed that HA, in the presence of LDH, grew preferentially along its a-axis, thus crystallizing mainly in the form of flake crystals. LDH and HA@LDH composites showed antibacterial activity against Staphylococcus aureus and Pseudomonas aeruginosa at not cytotoxic concentrations for human osteoblasts (hFob 1.19), especially when Ga cations were present in the LDH structure. The effect of the presence of HA in the composites on the bone-bonding ability and on human osteoblast proliferation was also investigated. The HA seemed to reduce the toxicity of the LDH toward human osteoblast while did not affect the bone-bonding ability. This multidisciplinary study provides the bio-chemical, structural characterization of new LDH and HA@LDH composites, evaluating also their bioactivity to be potentially applicable to titanium-based prostheses.
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Affiliation(s)
- Anna Donnadio
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Marzia Bini
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Catia Centracchio
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Maurizio Mattarelli
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Silvia Caponi
- Istituto Officina dei Materiali, National Research Council (IOM-CNR), Unit of Perugia, c/o Department of Physics and Geology, University of Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Valeria Ambrogi
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Donatella Pietrella
- Dipartimento di Medicina, Università di Perugia, Piazzale Gambuli, 1, 06132 Perugia, Italy
| | - Alessandro Di Michele
- Dipartimento di Fisica e Geologia, Università di Perugia, Via A. Pascoli, I-06123 Perugia, Italy
| | - Riccardo Vivani
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
| | - Morena Nocchetti
- Dipartimento di Scienze Farmaceutiche, Università di Perugia, Via del Liceo, 1, 06123 Perugia, Italy
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Guduric V, Belton N, Richter RF, Bernhardt A, Spangenberg J, Wu C, Lode A, Gelinsky M. Tailorable Zinc-Substituted Mesoporous Bioactive Glass/Alginate-Methylcellulose Composite Bioinks. MATERIALS (BASEL, SWITZERLAND) 2021; 14:1225. [PMID: 33807758 PMCID: PMC7961332 DOI: 10.3390/ma14051225] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 02/26/2021] [Accepted: 03/03/2021] [Indexed: 12/17/2022]
Abstract
Bioactive glasses have been used for bone regeneration applications thanks to their excellent osteoconductivity, an osteostimulatory effect, and high degradation rate, releasing biologically active ions. Besides these properties, mesoporous bioactive glasses (MBG) are specific for their highly ordered mesoporous channel structure and high specific surface area, making them suitable for drug and growth factor delivery. In the present study, calcium (Ca) (15 mol%) in MBG was partially and fully substituted with zinc (Zn), known for its osteogenic and antimicrobial properties. Different MBG were synthesized, containing 0, 5, 10, or 15 mol% of Zn. Up to 7 wt.% of Zn-containing MBG could be mixed into an alginate-methylcellulose blend (algMC) while maintaining rheological properties suitable for 3D printing of scaffolds with sufficient shape fidelity. The suitability of these composites for bioprinting applications has been demonstrated with immortalized human mesenchymal stem cells. Uptake of Ca and phosphorus (P) (phosphate) ions by composite scaffolds was observed, while the released concentration of Zn2+ corresponded to the initial amount of this ion in prepared glasses, suggesting that it can be controlled at the MBG synthesis step. The study introduces a tailorable bioprintable material system suitable for bone tissue engineering applications.
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Affiliation(s)
- Vera Guduric
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Niall Belton
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Richard Frank Richter
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Anne Bernhardt
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Janina Spangenberg
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Chengtie Wu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Dingxi Road 1295, Shanghai 200050, China;
| | - Anja Lode
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
| | - Michael Gelinsky
- Centre for Translational Bone, Joint and Soft Tissue Research, University Hospital Carl Gustav Carus and Faculty of Medicine, Technische Universität Dresden, 01307 Dresden, Germany; (V.G.); (N.B.); (R.F.R.); (A.B.); (J.S.); (A.L.)
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48
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Meshkini A, Sistanipour E, Oveisi H, Asoodeh A. Induction of osteogenesis in bone tumour cells by purine-conjugated zinc-hydroxyapatite. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2021. [DOI: 10.1680/jbibn.20.00038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
This study aimed to improve the biocompatibility and osteogenic property of hydroxyapatite (HAP). So HAP nanoparticles were doped with zinc (Zn), and their surface was modified with a purine nucleotide, guanosine 5′-triphosphate (GTP). GTP-loaded nanoparticles (GTP@ZnHAP) were characterised by field emission scanning electron microscopy, Fourier transform infrared, thermogravimetric analysis, zeta potential and ultraviolet–visible spectroscopy. Biological experiments revealed that GTP@ZnHAP nanoparticles were internalised by the cells, inhibiting tumour cell (osteoblast-like cells, Saos-2) expansion with an efficiency more than that observed for ZnHAP nanoparticles and GTP alone. Furthermore, Saos-2 cells were committed to differentiate into the normal osteoblast cells under the influence of GTP@ZnHAP nanoparticles demonstrated by the quantitative assessment of bone-related protein expression (Runx2 and osteocalcin) and cell morphological changes. Moreover, high-performance liquid chromatography analyses disclosed a significant enhancement of intracellular GTP content in GTP@ZnHAP-treated cells, proposing perturbation of intracellular nucleotide equilibrium during the process of osteogenesis induced by GTP@ZnHAP nanoparticles. Overall, GTP@ZnHAP exhibits a better synergistic effect on the modulation of cell growth and induction of osteogenic differentiation in osteosarcoma cells than ZnHAP nanoparticles and GTP alone do. Therefore, GTP@ZnHAP may be regarded as a promising biomaterial for the treatment of bone-related diseases.
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Affiliation(s)
- Azadeh Meshkini
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Elnaz Sistanipour
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Hamid Oveisi
- Department of Materials and Polymer Engineering, Hakim Sabzevari University, Sabzevar, Iran
| | - Ahmad Asoodeh
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran
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Grynyuk II, Vasyliuk OM, Prylutska SV, Strutynska NY, Livitska OV, Slobodyanik MS. Influence of nanoscale-modified apatite-type calcium phosphates on the biofilm formation by pathogenic microorganisms. OPEN CHEM 2021. [DOI: 10.1515/chem-2021-0199] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Abstract
Nanoparticles (25–50 nm) of chemically modified calcium phosphates Ca10−x−y
M
ii
x
Na
y
(PO4)6−z
(CO3)
z
(OH)2 (M
ii
– Cu2+, Zn2+) were synthesized via a wet precipitation method at room temperature. The Fourier-transform infrared spectroscopy data confirmed the partial substitution of
PO
4
3
−
{\text{PO}}_{4}^{3-}
→
CO
3
2
−
{\text{CO}}_{3}^{2-}
(B-type) in apatite-type structure. The influence of prepared phosphates on biofilm formation by pathogenic microorganisms was investigated. It was found that the samples Na+,
CO
3
2
−
{\text{CO}}_{3}^{2-}
-hydroxyapatite (HAP) and Na+, Zn2+,
CO
3
2
−
{\text{CO}}_{3}^{2-}
-HAP (5–20 mM) had the highest inhibitory effect on biofilm formation by Staphylococcus aureus strains. The sample Na+,
CO
3
2
−
{\text{CO}}_{3}^{2-}
-HAP had the slight influence on the formation of the biofilm by Pseudomonas aeruginosa, while for the samples Na+, Cu2+,
CO
3
2
−
{\text{CO}}_{3}^{2-}
-HAP and Na+, Zn2+,
CO
3
2
−
{\text{CO}}_{3}^{2-}
-HAP such an effect was not detected. According to transmission electron microscopy data, a correlation between the activity of synthesized apatite-related modified calcium phosphates in the processes of biofilm formation and their ability to adhere to the surface of bacterial cells was established. The prepared samples can be used for the design of effective materials with antibacterial activity for medicine.
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Affiliation(s)
- Iryna I. Grynyuk
- Department Chemistry, Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str., 01601 , Kyiv , Ukraine
| | - Olga M. Vasyliuk
- Department of Physiology of Industrial Microorganisms, Zabolotny Institute of Microbiology and Virology, National Academy of Science of Ukraine , 154, Zabolotnogo str, 03143 , Kyiv , Ukraine
| | - Svitlana V. Prylutska
- Department Chemistry, Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str., 01601 , Kyiv , Ukraine
| | - Nataliia Yu. Strutynska
- Department Chemistry, Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str., 01601 , Kyiv , Ukraine
| | - Oksana V. Livitska
- Department Chemistry, Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str., 01601 , Kyiv , Ukraine
| | - Mykola S. Slobodyanik
- Department Chemistry, Taras Shevchenko National University of Kyiv , 64/13, Volodymyrska Str., 01601 , Kyiv , Ukraine
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50
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The Effect of Ca on In Vitro Behavior of Biodegradable Zn-Fe Alloy in Simulated Physiological Environments. METALS 2020. [DOI: 10.3390/met10121624] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The growing interest in Zn based alloys as structural materials for biodegradable implants is mainly attributed to the excellent biocompatibility of Zn and its important role in many physiological reactions. In addition, Zn based implants do not tend to produce hydrogen gas in in vivo conditions and hence do not promote the danger of gas embolism. However, Zn based implants can provoke encapsulation processes that, practically, may isolate the implant from its surrounding media, which limits its capability of performing as an acceptable biodegradable material. To overcome this problem, previous research carried out by the authors has paved the way for the development of Zn-Fe based alloys that have a relatively increased corrosion rate compared to pure Zn. The present study aims to evaluate the effect of 0.3–1.6% Ca on the in vitro behavior of Zn-Fe alloys and thus to further address the encapsulation problem. The in vitro assessment included immersion tests and electrochemical analysis in terms of open circuit potential, potentiodynamic polarization, and impedance spectroscopy in phosphate buffered saline (PBS) solution at 37 °C. The mechanical properties of the examined alloys were evaluated by tension and hardness tests while cytotoxicity properties were examined using indirect cell metabolic activity analysis. The obtained results indicated that Ca additions increased the corrosion rate of Zn-Fe alloys and in parallel increased their strength and hardness. This was mainly attributed to the formation of a Ca-rich phase in the form CaZn13. Cytotoxicity assessment showed that the cells’ metabolic activity on the tested alloys was adequate at over 90%, which was comparable to the cells’ metabolic activity on an inert reference alloy Ti-6Al-4V.
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