101
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Wang M, Zhu Y. Defect Induced Charge Redistribution and Enhanced Adsorption of Lysozyme on Hydroxyapatite for Efficient Antibacterial Activity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:10786-10796. [PMID: 34463099 DOI: 10.1021/acs.langmuir.1c01666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Defects in hydroxyapatite (HA) have attracted increasing research interest due to their significant functions to increase the bioactivity and antibacterial ability of hard-tissue implants. However, little is known about the natural property and functional mechanism of the defects in HA. Herein, we reported on the defect property concerned with the coordination state and charge distribution in Al doped HA, as well as the consequent interface and protein capture ability for improved antibacterial activity. Systemic investigations suggested that Al replacing Ca in HA induced coordination defect with decreased coordination number and bond distance, caused charge transfer and redistribution of surrounding O atom and resulted in an increase in negative charge of coordinated O atoms. These O atoms coordinated with Al further served as docking sites for lysozyme molecules via electrostatic and H-bonding interaction. The capacity of lysozyme adsorption for Al-HA increased approximately 10-fold more than that of HA, which significantly increased the antibacterial activity through lysozyme-catalyzed splitting of cell wall of bacteria. Moreover, in vitro studies indicated that Al-HA materials showed good cytocompatibility. These findings not only provided new insights into the important effect of defects on the performances of HA biomaterials by modulation of the coordination state, charge distribution, and chemical activity, but also proposed a promising method for efficient antibacterial activity of HA biomaterials.
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Affiliation(s)
- Ming Wang
- Key Lab of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Yingchun Zhu
- Key Lab of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Science, Beijing 100049, China
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102
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Bhat S, Uthappa UT, Altalhi T, Jung HY, Kurkuri MD. Functionalized Porous Hydroxyapatite Scaffolds for Tissue Engineering Applications: A Focused Review. ACS Biomater Sci Eng 2021; 8:4039-4076. [PMID: 34499471 DOI: 10.1021/acsbiomaterials.1c00438] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Biomaterials have been widely used in tissue engineering applications at an increasing rate in recent years. The increased clinical demand for safe scaffolds, as well as the diversity and availability of biomaterials, has sparked rapid interest in fabricating diverse scaffolds to make significant progress in tissue engineering. Hydroxyapatite (HAP) has drawn substantial attention in recent years owing to its excellent physical, chemical, and biological properties and facile adaptable surface functionalization with other innumerable essential materials. This focused review spotlights a brief introduction on HAP, scope, a historical outline, basic structural features/properties, various synthetic strategies, and their scientific applications concentrating on functionalized HAP in the diverse area of tissue engineering fields such as bone, skin, periodontal, bone tissue fixation, cartilage, blood vessel, liver, tendon/ligament, and corneal are emphasized. Besides clinical translation aspects, the future challenges and prospects of HAP based biomaterials involved in tissue engineering are also discussed. Furthermore, it is expected that researchers may find this review expedient in gaining an overall understanding of the latest advancement of HAP based biomaterials.
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Affiliation(s)
- Shrinath Bhat
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
| | - U T Uthappa
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India.,Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Tariq Altalhi
- Department of Chemistry, College of Science, Taif University, P. O. Box 11099, Taif 21944, Saudi Arabia
| | - Ho-Young Jung
- Department of Environment and Energy Engineering, Chonnam National University, 77 Yongbong-ro, Buk-gu, Gwangju 61186, Republic of Korea
| | - Mahaveer D Kurkuri
- Centre for Nano and Material Sciences, Jain University, Jain Global Campus, Bengaluru 562112, Karnataka, India
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103
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Manivasagam VK, Popat KC. Hydrothermally treated titanium surfaces for enhanced osteogenic differentiation of adipose derived stem cells. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112315. [PMID: 34474866 DOI: 10.1016/j.msec.2021.112315] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 06/20/2021] [Accepted: 07/07/2021] [Indexed: 02/07/2023]
Abstract
Implant surface plays a crucial role in improving osseointegration and long-term implant life. When the implant comes in contact with the bone tissue, the bone marrow mesenchymal cells interact with the implant surface and the surface properties such as morphology, wettability, mechanical properties and chemistry influences cell migration, proliferation and differentiation. Different surface modification strategies such as ceramic coatings, surface dealloying, and surface topography modifications for improving osteointegration have been investigated. However, studies have not yet established which of the surface property is more influential. In this study, titanium surfaces were treated hydrothermally with sodium hydroxide and sulfuric acid separately. This treatment led to the development of two unique surface topography at nanoscale. These modified surfaces were characterized for surface morphology, wettability, chemistry, and crystallinity. Cytotoxicity, cell adhesion, proliferation, morphology, and differentiation of adipose derived stem cells on modified surfaces was investigated. The results indicate that wettability does influence initial cell adhesion. However, the surface morphology can play major role in cell spreading, proliferation and differentiation. The results indicate that titanium surfaces treated hydrothermally with sodium hydroxide led to a nanoporous architecture that promoted appropriate cell interaction with the surface promoting osteoblastic lineage.
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Affiliation(s)
- Vignesh K Manivasagam
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, USA
| | - Ketul C Popat
- Department of Mechanical Engineering, Colorado State University, Fort Collins, CO 80523, USA; School of Biomedical Engineering, Colorado State University, Fort Collins, CO 80523, USA; School of Advanced Materials Discovery, Colorado State University, Fort Collins, CO 80523, USA.
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104
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Ibrahimzade L, Kaygili O, Dundar S, Ates T, Dorozhkin SV, Bulut N, Koytepe S, Ercan F, Gürses C, Hssain AH. Theoretical and experimental characterization of Pr/Ce co-doped hydroxyapatites. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130557] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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105
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Detonation Spraying of Hydroxyapatite on a Titanium Alloy Implant. MATERIALS 2021; 14:ma14174852. [PMID: 34500941 PMCID: PMC8432648 DOI: 10.3390/ma14174852] [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: 07/07/2021] [Revised: 08/17/2021] [Accepted: 08/22/2021] [Indexed: 11/16/2022]
Abstract
Hydroxyapatite (HA), the major mineral component of tooth enamel and natural bones, is a good candidate for bone tissue engineering. Synthetic HA is used for making coatings on metallic implants intended for medical applications. A HA coating renders the implant biocompatible and osteoinductive. In addition, it improves fixation and the overall performance of the implanted object. In the present work, HA coatings were deposited on a medical titanium alloy implant with mesh geometry and a developed surface by detonation spraying. The feedstock powder was HA obtained by the dry mechanochemical method. Single-phase HA coatings were obtained. The coatings were formed not only on the surfaces normal to the particle flow direction, but also on the sides of the mesh elements. Despite partial melting of the powder, no decomposition of HA occurred. This work demonstrates the prospects of detonation spraying for the production of HA coatings on metallic implants with complex geometries.
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106
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Mosaad KE, Shoueir KR, Saied AH, Dewidar MM. New Prospects in Nano Phased Co-substituted Hydroxyapatite Enrolled in Polymeric Nanofiber Mats for Bone Tissue Engineering Applications. Ann Biomed Eng 2021; 49:2006-2029. [PMID: 34378121 DOI: 10.1007/s10439-021-02810-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 06/03/2021] [Indexed: 01/12/2023]
Abstract
The most common forms of tissue impairment are fracture bones and significant bone disorders caused by multiple traumas or normal aging. Surgical care sometimes necessitates the placement of a temporary or permanent prosthesis, which continues to be a challenge for orthopedic surgeons, including those with large bone defects. Electrospun scaffolds made from natural and synthetic nanofiber-based polymers are studied as natural extracellular matrix (ECM)-like scaffolds for tissue engineering. Besides, nanostructured materials have properties and functions depending on the scale of natural materials such as hydroxyapatite (HAP), ranging from 1 to 100 nm, which activity was proficient upon enrolled in nanofiber mats. The use of nanofibers in combination with nano-HAP has increased the scaffold's ability to replicate the construction of natural bone tissue that is the aim of the present text. In bone engineering, nanofiber substrates facilitate cell adhesion, proliferation, and differentiation, while HAP induces cells to secrete ECM for bone mineralization and development. This review aims to draw the reader's attention to the critical issues with synthetic and natural polymers containing HAP in bone tissue engineering; co-substituted hydroxyapatite has also been mentioned.
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Affiliation(s)
- Kareem E Mosaad
- Faculty of Engineering, Mechanical Department, Al-Azahar University, Cairo, Egypt
| | - Kamel R Shoueir
- Institute of Nanoscience & Nanotechnology, Kafrelsheikh University, 33516, Kafrelsheikh, Egypt.
- Institut de Chimie et Procédés Pour l'Énergie, l'Environnement et la Santé (ICPEES), CNRS, UMR 7515, Université de Strasbourg, 25 rue Becquerel, 67087, Strasbourg, France.
| | - Ahmed H Saied
- Department of Mechanical Engineering, Faculty of Engineering, Kafrelsheikh University, El-Gaish Street, Kafrelsheikh, Egypt
| | - Montasser M Dewidar
- Department of Mechanical Engineering, Faculty of Engineering, Kafrelsheikh University, El-Gaish Street, Kafrelsheikh, Egypt
- Higher Institute of Engineering and Technology, Kafrelsheikh, Egypt
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107
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Evaluation of fluorohydroxyapatite/strontium coating on titanium implants fabricated by hydrothermal treatment. Prog Biomater 2021; 10:185-194. [PMID: 34370267 DOI: 10.1007/s40204-021-00162-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 08/03/2021] [Indexed: 10/20/2022] Open
Abstract
Titanium and its alloys are considered as appropriate replacements for the irreparable bone. Calcium phosphate coatings are widely used to improve the osteoinduction and osseointegration ability of titanium alloys. To further improve the performance of the calcium phosphate-coated implants, strontium (Sr) was introduced to partially replace the calcium ions. In this study, the effect of Sr ion addition on the fluorohydroxyapatite (FHA)-coated Ti6Al4V alloy was investigated and all the coatings were treated under hydrothermal condition. X-ray diffraction (XRD) and scanning electron microscopy (SEM) were used to investigate the phases and microstructures, respectively. Shear tests were done to evaluate the bond strength of the coating layer. MTT, adhesion, and alkaline phosphatase tests were performed to evaluate the biocompatibility and osteogenic behavior of the samples. Results showed that the average crystallite size for the strontium-doped FHA samples was 48 nm and the bond strength had increased 13.15% in comparison with FHA-coated samples. Analysis of variance showed p value for all MTT tests at more than 0.322 and there was not any evidence of cell death after 7 days. The results of the ALP test showed that the increase of the cell activity in Sr samples from day 7 to 14 is three times higher than the FHA ones.
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108
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Zhang X, Cui J, Cheng L, Lin K. Enhancement of osteoporotic bone regeneration by strontium-substituted 45S5 bioglass via time-dependent modulation of autophagy and the Akt/mTOR signaling pathway. J Mater Chem B 2021; 9:3489-3501. [PMID: 33690737 DOI: 10.1039/d0tb02991b] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Osteoporosis (OP) is a major systemic bone disease leading to an imbalance in bone homeostasis which remains a challenge in the current treatment of bone defects. Our previous studies on strontium (Sr) doping apparently stimulated osteogenesis of bioceramics, which suggested a promising strategy for the treatment of bone defects. However, the potential effects and the underlying mechanisms of Sr-doping on osteoporotic bone defects still remain unclear. Autophagy is a conventional self-degradation process of cells involved in bone homeostasis and regeneration under physiological and pathological conditions. Therefore, it is essential to design appropriate biomaterials and investigate the associated osteogenic mechanisms via autophagy. Based on this hypothesis, Sr-doped 45S5 bioglass (Sr/45S5) was fabricated, and ovariectomy bone marrow-derived mesenchymal stem cells (OVX-BMSCs) were applied as the in vitro cell culture model. First, the optimal Sr-doping concentration of 10 mol% was screened by cell proliferation, ALP staining, alizarin red S staining and the real-time PCR assay. Then, the results of western blot (WB) analysis showed that Sr-induced osteogenic differentiation of OVX-BMSCs was associated with time-dependent modulation of autophagy and related to the AKT/mTOR signaling pathway. Meanwhile, the autophagy in Sr-induced osteogenic differentiation of OVX-BMSCs was detected by WB, immunofluorescence staining and transmission electron microscopy. Furthermore, the effect of osteogenic differentiation of OVX-BMSCs has been significantly inhibited by the administration of autophagy inhibitors and the AKT/mTOR pathway inhibitors, respectively, in the early and late periods of osteogenic differentiation. Finally, the results of the model of femoral condyle defects in OVX-rats indicated that Sr10/45S5 granules remarkably enhanced bone regeneration which provided the evidences in vivo. Our research indicates that Sr-doping provides a promising strategy to promote osteogenic differentiation of OVX-BMSCs and bone regeneration in osteoporotic bone defects via early improvement of autophagy and late activation of the Akt/mTOR signaling pathway.
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Affiliation(s)
- Xinran Zhang
- Department of Oral and Cranio-Maxillofacial Science, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai 200011, China. and School & Hospital of Stomatology, Tongji University, Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai 200072, China
| | - Jinjie Cui
- Department of Oral and Cranio-Maxillofacial Science, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai 200011, China.
| | - Liming Cheng
- Department of Spine Surgery, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China. and Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration (Tongji University), Ministry of Education, Shanghai, China
| | - Kaili Lin
- Department of Oral and Cranio-Maxillofacial Science, Shanghai Ninth People's Hospital, College of Stomatology, Shanghai Jiao Tong University School of Medicine, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology & Shanghai Research Institute of Stomatology, Shanghai 200011, China.
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109
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Anita Lett J, Sagadevan S, Léonard E, Fatimah I, Motalib Hossain MA, Mohammad F, Al-Lohedan HA, Paiman S, Alshahateet SF, Abd Razak SI, Johan MR. Bone tissue engineering potentials of 3D printed magnesium-hydroxyapatite@polylactic acid composite scaffolds. Artif Organs 2021; 45:1501-1512. [PMID: 34309044 DOI: 10.1111/aor.14045] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/02/2021] [Accepted: 07/14/2021] [Indexed: 11/30/2022]
Abstract
The primary role of bone tissue engineering is to reconcile the damaged bones and facilitate the speedy recovery of the injured bones. However, some of the investigated metallic implants suffer from stress-shielding, palpability, biocompatibility, etc. Consequently, the biodegradable scaffolds fabricated from polymers have gathered much attention from researchers and thus helped the tissue engineering sector by providing many alternative materials whose functionality is similar to that of natural bones. Herein, we present the fabrication and testing of a novel composite, magnesium (Mg)-doped hydroxyapatite (HAp) glazed onto polylactic acid (PLA) scaffolds where polyvinyl alcohol (PVA) used as a binder. For the composite formation, Creality Ender-3 pro High Precision 3D Printer with Shape tool 3D Technology on an FSD machine operated by Catia design software was employed. The composite has been characterized for the crystallinity (XRD), surface functionality (FTIR), morphology (FESEM), biocompatibility (hemolytic and protein absorption), and mechanical properties (stress-strain and maximum compressive strength). The powder XRD analysis confirmed the semicrystalline nature and intact structure of HAp even after doping with Mg, while FTIR studies for the successful formation of Mg-HAp/PVA@PLA composite. The FESEM provided analysis indicated for the 3D porous architecture and well-defined morphology to efficiently transport the nutrients, and the biocompatibility studies are supporting that the composite for blood compatible with the surface being suitable enough for the protein absorption. Finally, the composite's antibacterial activity (against Staphylococcus aureus and Escherichia coli) and the test of mechanical properties supported for the enhanced inhibition of active growth of microorganisms and maximum compressive strength, respectively. Based on the research outcomes of biocompatibility, antibacterial activity, and mechanical resistance, the fabricated Mg-HAp/PVA@PLA composite suits well as a promising biomaterial platform for orthopedic applications by functioning towards the open reduction internal fixation of bone fractures and internal repairs.
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Affiliation(s)
- Jayasingh Anita Lett
- Department of Physics, Sathyabama Institute of Science and Technology, Chennai, India
| | - Suresh Sagadevan
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Estelle Léonard
- Université de technologie de Compiègne, ESCOM, TIMR (Integrated Transformations of Renewable Matter), Centre de recherche Royallieu, Compiègne, France
| | - Is Fatimah
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Islam Indonesia, Kampus Terpadu UII, Sleman, Indonesia
| | - M A Motalib Hossain
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, Malaysia
| | - Faruq Mohammad
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Hamad A Al-Lohedan
- Department of Chemistry, College of Science, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Suriati Paiman
- Department of Physics, Faculty of Science, Universiti Putra Malaysia, Serdang, Malaysia
| | | | - Saiful Izwan Abd Razak
- Centre for Advanced Composite Materials, Universiti Teknologi Malaysia, Skudai, Malaysia.,Bioinspired Device and Tissue Engineering Research Group, School of Biomedical Engineering and Health Sciences, Faculty of Engineering, Universiti Teknologi Malaysia, Skudai, Malaysia
| | - Mohd Rafie Johan
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, Malaysia
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110
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Zhu Y. Multifunctional
Fire‐Resistant
Paper Based on Ultralong Hydroxyapatite Nanowires†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100170] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ying‐Jie Zhu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Ding‐Xi Road Shanghai 200050 China
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111
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Chirică IM, Enciu AM, Tite T, Dudău M, Albulescu L, Iconaru SL, Predoi D, Pasuk I, Enculescu M, Radu C, Mihalcea CG, Popa AC, Rusu N, Niţă S, Tănase C, Stan GE. The Physico-Chemical Properties and Exploratory Real-Time Cell Analysis of Hydroxyapatite Nanopowders Substituted with Ce, Mg, Sr, and Zn (0.5-5 at.%). MATERIALS 2021; 14:ma14143808. [PMID: 34300727 PMCID: PMC8305395 DOI: 10.3390/ma14143808] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 07/01/2021] [Accepted: 07/05/2021] [Indexed: 12/17/2022]
Abstract
Cation-substituted hydroxyapatite (HA), standalone or as a composite (blended with polymers or metals), is currently regarded as a noteworthy candidate material for bone repair/regeneration either in the form of powders, porous scaffolds or coatings for endo-osseous dental and orthopaedic implants. As a response to the numerous contradictions reported in literature, this work presents, in one study, the physico-chemical properties and the cytocompatibility response of single cation-doped (Ce, Mg, Sr or Zn) HA nanopowders in a wide concentration range (0.5–5 at.%). The modification of composition, morphology, and structure was multiparametrically monitored via energy dispersive X-ray, X-ray photoelectron, Fourier-transform infrared and micro-Raman spectroscopy methods, as well as by transmission electron microscopy and X-ray diffraction. From a compositional point of view, Ce and Sr were well-incorporated in HA, while slight and pronounced deviations were observed for Mg and Zn, respectively. The change of the lattice parameters, crystallite size, and substituting cation occupation factors either in the Ca(I) or Ca(II) sites were further determined. Sr produced the most important HA structural changes. The in vitro biological performance was evaluated by the (i) determination of leached therapeutic cations (by inductively coupled plasma mass spectrometry) and (ii) assessment of cell behaviour by both conventional assays (e.g., proliferation—3-(4,5-dimethyl thiazol-2-yl) 5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium assay; cytotoxicity—lactate dehydrogenase release assay) and, for the first time, real-time cell analysis (RTCA). Three cell lines were employed: fibroblast, osteoblast, and endothelial. When monophasic, the substituted HA supported the cells’ viability and proliferation without signs of toxicity. The RTCA results indicate the excellent adherence of cells. The study strived to offer a perspective on the behaviour of Ce-, Mg-, Sr-, or Zn-substituted HAs and to deliver a well-encompassing viewpoint on their effects. This can be highly important for the future development of such bioceramics, paving the road toward the identification of candidates with highly promising therapeutic effects.
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Affiliation(s)
- Iuliana Maria Chirică
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
- Faculty of Physics, University of Bucharest, RO-077125 Măgurele, Romania
| | - Ana-Maria Enciu
- “Victor Babes” National Institute of Pathology, RO-050096 Bucharest, Romania; (A.-M.E.); (M.D.); (L.A.)
- Department of Cellular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, RO-050047 Bucharest, Romania
| | - Teddy Tite
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
- Correspondence: (T.T.); (C.T.); (G.E.S.); Tel./Fax: +40-21-319-4528 (C.T.); Tel.: +40-21-241-8128 (G.E.S.); Fax: +40-21-369-0177 (G.E.S.)
| | - Maria Dudău
- “Victor Babes” National Institute of Pathology, RO-050096 Bucharest, Romania; (A.-M.E.); (M.D.); (L.A.)
- Department of Cellular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, RO-050047 Bucharest, Romania
| | - Lucian Albulescu
- “Victor Babes” National Institute of Pathology, RO-050096 Bucharest, Romania; (A.-M.E.); (M.D.); (L.A.)
| | - Simona Liliana Iconaru
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
| | - Daniela Predoi
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
| | - Iuliana Pasuk
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
| | - Monica Enculescu
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
| | - Cristian Radu
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
- Faculty of Physics, University of Bucharest, RO-077125 Măgurele, Romania
| | - Cătălina Gabriela Mihalcea
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
- Faculty of Physics, University of Bucharest, RO-077125 Măgurele, Romania
| | - Adrian-Claudiu Popa
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
| | - Nicoleta Rusu
- National Institute for Chemical Pharmaceutical Research and Development, RO-031299 Bucharest, Romania; (N.R.); (S.N.)
| | - Sultana Niţă
- National Institute for Chemical Pharmaceutical Research and Development, RO-031299 Bucharest, Romania; (N.R.); (S.N.)
| | - Cristiana Tănase
- “Victor Babes” National Institute of Pathology, RO-050096 Bucharest, Romania; (A.-M.E.); (M.D.); (L.A.)
- “Nicolae Cajal” Institute, “Titu Maiorescu” University, RO-004051 Bucharest, Romania
- Correspondence: (T.T.); (C.T.); (G.E.S.); Tel./Fax: +40-21-319-4528 (C.T.); Tel.: +40-21-241-8128 (G.E.S.); Fax: +40-21-369-0177 (G.E.S.)
| | - George E. Stan
- National Institute of Materials Physics, RO-077125 Măgurele, Romania; (I.M.C.); (S.L.I.); (D.P.); (I.P.); (M.E.); (C.R.); (C.G.M.); (A.-C.P.)
- Correspondence: (T.T.); (C.T.); (G.E.S.); Tel./Fax: +40-21-319-4528 (C.T.); Tel.: +40-21-241-8128 (G.E.S.); Fax: +40-21-369-0177 (G.E.S.)
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112
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Dental Applications of Systems Based on Hydroxyapatite Nanoparticles—An Evidence-Based Update. CRYSTALS 2021. [DOI: 10.3390/cryst11060674] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Hydroxyapatite is one of the most studied biomaterials in the medical and dental field, because of its biocompatibility; it is the main constituent of the mineral part of teeth and bones. In dental science, hydroxyapatite nanoparticles (HAnps) or nano-hydroxyapatite (nano-HA) have been studied, over the last decade, in terms of oral implantology and bone reconstruction, as well in restorative and preventive dentistry. Hydroxyapatite nanoparticles have significant remineralizing effects on initial enamel lesions, and they have also been used as an additive material in order to improve existing and widely used dental materials, mainly in preventive fields, but also in restorative and regenerative fields. This paper investigates the role of HAnps in dentistry, including recent advances in the field of its use, as well as their advantages of using it as a component in other dental materials, whether experimental or commercially available. Based on the literature, HAnps have outstanding physical, chemical, mechanical and biological properties that make them suitable for multiple interventions, in different domains of dental science. Further well-designed randomized controlled trials should be conducted in order to confirm all the achievements revealed by the in vitro or in vivo studies published until now.
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Effect of Precursor Deficiency Induced Ca/P Ratio on Antibacterial and Osteoblast Adhesion Properties of Ag-Incorporated Hydroxyapatite: Reducing Ag Toxicity. MATERIALS 2021; 14:ma14123158. [PMID: 34201287 PMCID: PMC8227255 DOI: 10.3390/ma14123158] [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: 05/04/2021] [Revised: 05/31/2021] [Accepted: 06/04/2021] [Indexed: 11/17/2022]
Abstract
Ag-containing hydroxyapatite (HA) can reduce risks associated with bacterial infections which may eventually require additional surgical operations to retrieve a failed implant. The biological properties of HA in such applications are strongly affected by its composition in terms of dopants as well as Ca/P stoichiometry, which can be easily controlled by altering processing parameters, such as precursor concentrations. The objective of this in vitro study was to understand the effect of variations in HA precursor solutions on antibacterial properties against Escherichia coli (E. coli) and for promoting osteoblast (bone-forming cell) adhesion on Ag incorporated HA (AgHA) which has not yet been investigated. For this, two groups of AgHAs were synthesized via a precipitation method by adjusting precursor reactants with a stoichiometric value of 1.67, being either (Ca + Ag)/P (Ca-deficient) or Ca/(P + Ag) (P-deficient), and were characterized by XRD, FTIR, and SEM-EDS. Results showed that Ag+ incorporated into the Ca2+ sites was associated with a corresponding OH− vacancy. Additional incorporation of CO32− into PO43− sites occurred specifically for the P-deficient AgHAs. While antibacterial properties increased, osteoblast adhesion decreased with increasing Ag content for the Ca-deficient AgHAs, as anticipated. In contrast, significant antibacterial properties with good osteoblast behavior were observed on the P-deficient AgHAs even with a lower Ag content, owing to carbonated HA. Thus, this showed that by synthesizing AgHA using P-deficient precursors with carbonate substitution, one can keep the antibacterial properties of Ag in HA while reducing its toxic effect on osteoblasts.
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Anita Lett J, Sagadevan S, Fatimah I, Hoque ME, Lokanathan Y, Léonard E, Alshahateet SF, Schirhagl R, Oh WC. Recent advances in natural polymer-based hydroxyapatite scaffolds: Properties and applications. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110360] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Sadowska JM, Ginebra MP. Inflammation and biomaterials: role of the immune response in bone regeneration by inorganic scaffolds. J Mater Chem B 2021; 8:9404-9427. [PMID: 32970087 DOI: 10.1039/d0tb01379j] [Citation(s) in RCA: 60] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The regulatory role of the immune system in maintaining bone homeostasis and restoring its functionality, when disturbed due to trauma or injury, has become evident in recent years. The polarization of macrophages, one of the main constituents of the immune system, into the pro-inflammatory or anti-inflammatory phenotype has great repercussions for cellular crosstalk and the subsequent processes needed for proper bone regeneration such as angiogenesis and osteogenesis. In certain scenarios, the damaged osseous tissue requires the placement of synthetic bone grafts to facilitate the healing process. Inorganic biomaterials such as bioceramics or bioactive glasses are the most widely used due to their resemblance to the mineral phase of bone and superior osteogenic properties. The immune response of the host to the inorganic biomaterial, which is of an exogenous nature, might determine its fate, leading either to active bone regeneration or its failure. Therefore, various strategies have been employed, like the modification of structural/chemical features or the incorporation of bioactive molecules, to tune the interplay with the immune cells. Understanding how these particular modifications impact the polarization of macrophages and further osteogenic and osteoclastogenic events is of great interest in view of designing a new generation of osteoimmunomodulatory materials that support the regeneration of osseous tissue during all stages of bone healing.
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Affiliation(s)
- Joanna M Sadowska
- Tissue Engineering Research Group, Department of Anatomy & Regenerative Medicine, Royal College of Surgeons in Ireland (RCSI), Ireland
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Engineering, Universitat Politècnica de Catalunya, Av. Eduard Maristany 16, 08019 Barcelona, Spain. and Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028 Barcelona, Spain
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Rewak-Soroczynska J, Sobierajska P, Targonska S, Piecuch A, Grosman L, Rachuna J, Wasik S, Arabski M, Ogorek R, Wiglusz RJ. New Approach to Antifungal Activity of Fluconazole Incorporated into the Porous 6-Anhydro-α-l-Galacto-β-d-Galactan Structures Modified with Nanohydroxyapatite for Chronic-Wound Treatments-In Vitro Evaluation. Int J Mol Sci 2021; 22:3112. [PMID: 33803717 PMCID: PMC8003069 DOI: 10.3390/ijms22063112] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 03/05/2021] [Accepted: 03/15/2021] [Indexed: 12/22/2022] Open
Abstract
New fluconazole-loaded, 6-Anhydro-α-l-Galacto-β-d-Galactan hydrogels incorporated with nanohydroxyapatite were prepared and their physicochemical features (XRD, X-ray Diffraction; SEM-EDS, Scanning Electron Microscopy-Energy Dispersive X-ray Spectroscopy; ATR-FTIR, Attenuated Total Reflectance-Fourier Transform Infrared Spectroscopy), fluconazole release profiles and enzymatic degradation were determined. Antifungal activity of pure fluconazole was tested using Candida species (C. albicans, C. tropicalis, C. glabarata), Cryptococcus species (C. neoformans, C. gatti) and Rhodotorula species (R. mucilaginosa, R. rubra) reference strains and clinical isolates. Standard microdilution method was applied, and fluconazole concentrations of 2-250 µg/mL were tested. Moreover, biofilm production ability of tested isolates was tested on the polystyrene surface at 28 and 37 ± 0.5 °C and measured after crystal violet staining. Strains with the highest biofilm production ability were chosen for further analysis. Confocal microscopy photographs were taken after live/dead staining of fungal suspensions incubated with tested hydrogels (with and without fluconazole). Performed analyses confirmed that polymeric hydrogels are excellent drug carriers and, when fluconazole-loaded, they may be applied as the prevention of chronic wounds fungal infection.
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Affiliation(s)
- Justyna Rewak-Soroczynska
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland; (J.R.-S.); (P.S.); (S.T.); (L.G.)
| | - Paulina Sobierajska
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland; (J.R.-S.); (P.S.); (S.T.); (L.G.)
| | - Sara Targonska
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland; (J.R.-S.); (P.S.); (S.T.); (L.G.)
| | - Agata Piecuch
- Department of Mycology and Genetics, University of Wroclaw, Przybyszewskiego 63, 51-148 Wroclaw, Poland; (A.P.); (R.O.)
| | - Lukasz Grosman
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland; (J.R.-S.); (P.S.); (S.T.); (L.G.)
| | - Jaroslaw Rachuna
- Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (J.R.); (M.A.)
| | - Slawomir Wasik
- Institute of Physics, Jan Kochanowski University, Swietokrzyska 15, 25-406 Kielce, Poland;
| | - Michal Arabski
- Institute of Biology, Jan Kochanowski University, Uniwersytecka 7, 25-406 Kielce, Poland; (J.R.); (M.A.)
| | - Rafal Ogorek
- Department of Mycology and Genetics, University of Wroclaw, Przybyszewskiego 63, 51-148 Wroclaw, Poland; (A.P.); (R.O.)
| | - Rafal J. Wiglusz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422 Wroclaw, Poland; (J.R.-S.); (P.S.); (S.T.); (L.G.)
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Hydroxyapatite Based Materials for Bone Tissue Engineering: A Brief and Comprehensive Introduction. CRYSTALS 2021. [DOI: 10.3390/cryst11020149] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Hydroxyapatite (HA) is widely used in bone tissue engineering for its bioactivity and biocompatibility, and a growing number of researchers are exploring ways to improve the physical properties and biological functions of hydroxyapatite. Up to now, HA has been used as inorganic building blocks for tissue engineering or as nanofillers to blend with polymers, furthermore, various methods such as ion doping or surface modification have been also reported to prepare functionalized HA. In this review, we try to give a brief and comprehensive introduction about HA-based materials, including ion-doped HA, HA/polymer composites and surface modified HA and their applications in bone tissue engineering. In addition, the prospective of HA is also discussed. This review may be helpful for researchers to get a general understanding about the development of hydroxyapatite based materials.
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Nifant'ev IE, Tavtorkin AV, Legkov SA, Korchagina SA, Shandryuk GA, Kretov EA, Dmitrienko AO, Ivchenko PV. Hydrothermal synthesis of perfectly shaped micro- and nanosized carbonated apatite. Inorg Chem Front 2021. [DOI: 10.1039/d1qi01094h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Herein we present a Ca[EDTA]-based synthesis and comparative study of perfectly shaped plate-like, rod–like, and prism-like carbonated apatites.
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Affiliation(s)
- Ilya E. Nifant'ev
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
- M. V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation
- National Research University Higher School of Economics, Faculty of Chemistry, Moscow, Russian Federation
| | - Alexander V. Tavtorkin
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Sergey A. Legkov
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Sofia A. Korchagina
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Georgiy A. Shandryuk
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
| | - Egor A. Kretov
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
- National Research University Higher School of Economics, Faculty of Chemistry, Moscow, Russian Federation
| | - Artem O. Dmitrienko
- M. V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation
- G. V. Plekhanov Russian University of Economics, Moscow, Russian Federation
| | - Pavel V. Ivchenko
- A. V. Topchiev Institute of Petrochemical Synthesis, Russian Academy of Sciences, Moscow, Russian Federation
- M. V. Lomonosov Moscow State University, Department of Chemistry, Moscow, Russian Federation
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119
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Awasthi S, Pandey SK, Arunan E, Srivastava C. A review on hydroxyapatite coatings for the biomedical applications: experimental and theoretical perspectives. J Mater Chem B 2021; 9:228-249. [DOI: 10.1039/d0tb02407d] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The production of hydroxyapatite (HAP) composite coatings has continuously been investigated for bone tissue applications during the last few decades due to their significant bioactivity and osteoconductivity.
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Affiliation(s)
- Shikha Awasthi
- Department of Materials Engineering
- Indian Institute of Science Bangalore
- Bangalore 560012
- India
| | - Sarvesh Kumar Pandey
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science Bangalore
- Bangalore 560012
- India
| | - E. Arunan
- Department of Inorganic and Physical Chemistry
- Indian Institute of Science Bangalore
- Bangalore 560012
- India
| | - Chandan Srivastava
- Department of Materials Engineering
- Indian Institute of Science Bangalore
- Bangalore 560012
- India
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120
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Kupikowska-Stobba B, Kasprzak M. Fabrication of nanoparticles for bone regeneration: new insight into applications of nanoemulsion technology. J Mater Chem B 2021; 9:5221-5244. [PMID: 34142690 DOI: 10.1039/d1tb00559f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Introducing synthetic bone substitutes into the clinic was a major breakthrough in the regenerative medicine of bone. Despite many advantages of currently available bone implant materials such as biocompatiblity and osteoconductivity, they still suffer from relatively poor bioactivity, osteoinductivity and osteointegration. These properties can be effectively enhanced by functionalization of implant materials with nanoparticles such as osteoinductive hydroxyapatite nanocrystals, resembling inorganic part of the bone, or bioactive polymer nanoparticles providing sustained delivery of pro-osteogenic agents directly at implantation site. One of the most widespread techniques for fabrication of nanoparticles for bone regeneration applications is nanoemulsification. It allows manufacturing of nanoscale particles (<100 nm) that are injectable, 3D-printable, offer high surface-area-to-volume-ratio and minimal mass transport limitations. Nanoparticles obtained by this technique are of particular interest for biomedical engineering due to fabrication procedures requiring low surfactant concentrations, which translates into reduced risk of surfactant-related in vivo adverse effects and improved biocompatibility of the product. This review discusses nanoemulsion technology and its current uses in manufacturing of nanoparticles for bone regeneration applications. In the first section, we introduce basic concepts of nanoemulsification including nanoemulsion formation, properties and preparation methods. In the next sections, we focus on applications of nanoemulsions in fabrication of nanoparticles used for delivery of drugs/biomolecules facilitating osteogenesis and functionalization of bone implants with special emphasis on biomimetic hydroxyapatite nanoparticles, synthetic polymer nanoparticles loaded with bioactive compounds and bone-targeting nanoparticles. We also highlight key challenges in formulation of nanoparticles via nanoemulsification and outline potential further improvements in this field.
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Affiliation(s)
- Barbara Kupikowska-Stobba
- ŁUKASIEWICZ Research Network - Institute of Ceramics and Building Materials, Ceramic and Concrete Division in Warsaw, Department of Biomaterials, Postępu 9, 02-677, Warsaw, Poland.
| | - Mirosław Kasprzak
- ŁUKASIEWICZ Research Network - Institute of Ceramics and Building Materials, Ceramic and Concrete Division in Warsaw, Department of Biomaterials, Postępu 9, 02-677, Warsaw, Poland.
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Mocanu A, Cadar O, Frangopol PT, Petean I, Tomoaia G, Paltinean GA, Racz CP, Horovitz O, Tomoaia-Cotisel M. Ion release from hydroxyapatite and substituted hydroxyapatites in different immersion liquids: in vitro experiments and theoretical modelling study. ROYAL SOCIETY OPEN SCIENCE 2021; 8:201785. [PMID: 33614097 PMCID: PMC7890514 DOI: 10.1098/rsos.201785] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Accepted: 11/20/2020] [Indexed: 05/06/2023]
Abstract
Multi-substituted hydroxyapatites (ms-HAPs) are currently gaining more consideration owing to their multifunctional properties and biomimetic structure, owning thus an enhanced biological potential in orthopaedic and dental applications. In this study, nano-hydroxyapatite (HAP) substituted with multiple cations (Sr2+, Mg2+ and Zn2+) for Ca2+ and anion ( Si O 4 4 - ) for P O 4 3 - and OH-, specifically HAPc-5%Sr and HAPc-10%Sr (where HAPc is HAP-1.5%Mg-0.2%Zn-0.2%Si), both lyophilized non-calcined and lyophilized calcined, were evaluated for their in vitro ions release. These nanomaterials were characterized by scanning electron microscopy, field emission-scanning electron microscopy and energy-dispersive X-ray, as well as by atomic force microscope images and by surface specific areas and porosity. Further, the release of cations and of phosphate anions were assessed from nano-HAP and ms-HAPs, both in water and in simulated body fluid, in static and simulated dynamic conditions, using inductively coupled plasma optical emission spectrometry. The release profiles were analysed and the influence of experimental conditions was determined for each of the six nanomaterials and for various periods of time. The pH of the samples soaked in the immersion liquids was also measured. The ion release mechanism was theoretically investigated using the Korsmeyer-Peppas model. The results indicated a mechanism principally based on diffusion and dissolution, with possible contribution of ion exchange. The surface of ms-HAP nanoparticles is more susceptible to dissolution into immersion liquids owing to the lattice strain provoked by simultaneous multi-substitution in HAP structure. According to the findings, it is rational to suggest that both materials HAPc-5%Sr and HAPc-10%Sr are bioactive and can be potential candidates in bone tissue regeneration.
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Affiliation(s)
- Aurora Mocanu
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Oana Cadar
- INCDO INOE 2000, Research Institute for Analytical Instrumentation, 67 Donath Street, 400293 Cluj-Napoca, Romania
| | - Petre T. Frangopol
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Ioan Petean
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Gheorghe Tomoaia
- Department of Orthopedics and Traumatology, Iuliu Hatieganu University of Medicine and Pharmacy, 400132 Cluj-Napoca, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
| | - Gertrud-Alexandra Paltinean
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Csaba Pal Racz
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Ossi Horovitz
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
| | - Maria Tomoaia-Cotisel
- Faculty of Chemistry and Chemical Engineering, Physical Chemistry Centre, Chemical Engineering Department, Babes-Bolyai University of Cluj-Napoca, 11 Arany J. Street, 400028 Cluj-Napoca, Romania
- Academy of Romanian Scientists, 54 Splaiul Independentei, 050094 Bucharest, Romania
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Current Challenges and Innovative Developments in Hydroxyapatite-Based Coatings on Metallic Materials for Bone Implantation: A Review. COATINGS 2020. [DOI: 10.3390/coatings10121249] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Biomaterials are in use for the replacement and reconstruction of several tissues and organs as treatment and enhancement. Metallic, organic, and composites are some of the common materials currently in practice. Metallic materials contribute a big share of their mechanical strength and resistance to corrosion properties, while organic polymeric materials stand high due to their biocompatibility, biodegradability, and natural availability. To enhance the biocompatibility of these metals and alloys, coatings are frequently applied. Organic polymeric materials and ceramics are extensively utilized for this purpose due to their outstanding characteristics of biocompatibility and biodegradability. Hydroxyapatite (HAp) is the material from the ceramic class which is an ultimate candidate for coating on these metals for biomedical applications. HAp possesses similar chemical and structural characteristics to normal human bone. Due to the bioactivity and biocompatibility of HAp, it is used for bone implants for regenerating bone tissues. This review covers an extensive study of the development of HAp coatings specifically for the orthopaedic applications that include different coating techniques and the process parameters of these coating techniques. Additionally, the future direction and challenges have been also discussed briefly in this review, including the coating of HAp in combination with other calcium magnesium phosphates that occur naturally in human bone.
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Shi Z, Xu Y, Mulatibieke R, Zhong Q, Pan X, Chen Y, Lian Q, Luo X, Shi Z, Zhu Q. Nano-Silicate-Reinforced and SDF-1α-Loaded Gelatin-Methacryloyl Hydrogel for Bone Tissue Engineering. Int J Nanomedicine 2020; 15:9337-9353. [PMID: 33262591 PMCID: PMC7699450 DOI: 10.2147/ijn.s270681] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 11/02/2020] [Indexed: 12/19/2022] Open
Abstract
Purpose Autologous bone grafts are the gold standard for treating bone defects. However, limited bone supply and morbidity at the donor site restrict its extensive use. Therefore, developing bone graft materials as an alternative to autologous grafts has gained considerable attention. Injectable hydrogels endowed with osteogenic potential have the ability to fill irregular bone defects using minimally invasive procedures and have thus been attracting researchers’ attention. However, from a clinical perspective, most fabrication methods employed for the current injectable osteogenic hydrogels are difficult and inconvenient. In the current study, we fabricated an injectable osteogenic hydrogel using a simple and convenient strategy. Materials and Methods Gelatin-methacryloyl (GelMA) pre-polymer was synthetized. Nano silicate (SN) and stromal cell-derived factor-1 alpha (SDF-1α) were introduced into the pre-polymer to achieve injectability, controlled release property, excellent osteogenic ability, and efficient stem cell homing. Results The GelMA-SN-SDF-1α demonstrated excellent injectability via a 17-G needle at room temperature. The loaded SDF-1α exhibited a long-term controlled release pattern and efficiently stimulated MSC migration and homing. The GelMA-SN-SDF-1α hydrogel amplified cell spreading, migration, osteogenic-related biomarker expression, and matrix mineralization. The GelMA-SN-SDF-1α hydrogel filled critical-sized calvaria defects in rats and demonstrated excellent bone regeneration ability, as assessed using micro-CT scanning and histomorphometric staining. Conclusion The GelMA-SN-SDF-1α hydrogel provides a simple and convenient strategy for the fabrication of injectable osteogenic graft materials. ![]()
Point your SmartPhone at the code above. If you have a QR code reader the video abstract will appear. Or use: https://youtu.be/FhyefSKUa34
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Affiliation(s)
- Zhe Shi
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Yichuan Xu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Ruzha Mulatibieke
- Department of Plastic Surgery, The Third Affiliated Hospital of Sun Yet-Sen University, Guangzhou, People's Republic of China
| | - Qiang Zhong
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Xin Pan
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Yuhang Chen
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Qiang Lian
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Xin Luo
- Rehabilitation Medical School, Guangzhou International Economics College, Guangzhou, People's Republic of China
| | - Zhanjun Shi
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Qingan Zhu
- Department of Orthopedics, Nanfang Hospital, Southern Medical University, Guangzhou, People's Republic of China
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Nakamura M, Aizawa H, Kawabata H, Sato A, Watanabe T, Isobe K, Kitamura Y, Tanaka T, Kawase T. Platelet adhesion on commercially pure titanium plates in vitro III: effects of calcium phosphate-blasting on titanium plate biocompatibility. Int J Implant Dent 2020; 6:74. [PMID: 33215329 PMCID: PMC7677422 DOI: 10.1186/s40729-020-00270-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Accepted: 10/25/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Platelet-rich plasma (PRP) is often used to improve surface biocompatibility. We previously found that platelets rapidly adhere to plain commercially pure titanium (cp-Ti) plates in the absence, but not in the presence, of plasma proteins. To further expand on these findings, in the present study, we switched titanium plates from a plain surface to a rough surface that is blasted with calcium phosphate (CaP) powder and then examined platelet adhesion and activation. METHODS Elemental distribution in CaP-blasted cp-Ti plates was analyzed using energy-dispersive X-ray spectroscopy. PRP samples prepared from anticoagulated blood samples of six healthy, non-smoking adult male donors were loaded on CaP-blasted cp-Ti plates for 1 h and fixed for examination of platelet morphology and visualization of PDGF-B and platelet surface markers (CD62P, CD63) using scanning electron microscopy and fluorescence microscopy. Plain SUS316L stainless steel plates used in injection needles were also examined for comparison. RESULTS Significant amounts of calcium and phosphate were detected on the CaP-blasted cp-Ti surface. Platelets rapidly adhered to this surface, leading to higher activation. Platelets also adhered to the plain stainless surface; however, the levels of adhesion and activation were much lower than those observed on the CaP-blasted cp-Ti plate. CONCLUSIONS The CaP-blasted cp-Ti surface efficiently entraps and activates platelets. Biomolecules released from the activated platelets could be retained by the fibrin matrix on the surface to facilitate regeneration of the surrounding tissues. Thus, PRP immersion could not only eliminate surface air bubbles but also improve the biocompatibility of the implant surface.
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Affiliation(s)
| | | | | | - Atsushi Sato
- Tokyo Plastic Dental Society, Kita-ku, Tokyo, Japan
| | | | | | | | - Takaaki Tanaka
- Department of Materials Science and Technology, Niigata University, Niigata, Japan
| | - Tomoyuki Kawase
- Division of Oral Bioengineering, Institute of Medicine and Dentistry, Niigata University, Niigata, Japan.
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Alorku K, Manoj M, Yuan A. A plant-mediated synthesis of nanostructured hydroxyapatite for biomedical applications: a review. RSC Adv 2020; 10:40923-40939. [PMID: 35519223 PMCID: PMC9057773 DOI: 10.1039/d0ra08529d] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 10/23/2020] [Indexed: 12/18/2022] Open
Abstract
The engineering of calcium-based phosphate materials at the nanoscale gains several unique properties compared to the bulky state. The effort to scale down, e.g., from bulky state to nanoscale in order to control the morphology and improve structural properties requires the use of varying reagents that can be detrimental to the environment. A typical example of these materials is hydroxyapatite (HAp), one of the well-known calcium phosphate materials, which has a close resemblance to human bone tissue. HAp has valuable applications in catalysis, drug delivery, bone and dental implant formation, and adsorption. Hydroxyapatite-based nanomaterials synthesized through conventional routes make use of reagents that are not environmental friendly and are very costly. Since the current research trends are geared towards producing/synthesizing nanomaterials through an eco-friendly approach, there is the need to consider the techniques and reagents involved in the synthesis of HAp. This review touches on the possible replacement of such synthetic chemical reagents, synthesis routes, and toxic capping agents with plant extracts for synthesizing HAp-based nanomaterials for multi-functional applications. The influence of biomolecules from plants on synthesized HAps and the attainable mechanism during these green approaches are discussed. Viable future modifications of the methods used to obtain extracts from plants are also studied.
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Affiliation(s)
- Kingdom Alorku
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology Zhenjiang 212003 Jiangsu Province PR China +86-511-85639001
| | - M Manoj
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology Zhenjiang 212003 Jiangsu Province PR China +86-511-85639001
| | - Aihua Yuan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology Zhenjiang 212003 Jiangsu Province PR China +86-511-85639001
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126
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Chen G, Fu Z, Guo H, Kumar Pradhan S, Hao P. Study of accumulation behaviour of tungsten based composite using electron probe micro analyser for the application in bone tissue engineering. Saudi J Biol Sci 2020; 27:2936-2941. [PMID: 33100849 PMCID: PMC7569116 DOI: 10.1016/j.sjbs.2020.07.022] [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: 03/31/2020] [Revised: 07/17/2020] [Accepted: 07/18/2020] [Indexed: 10/28/2022] Open
Abstract
In this research, a proto-type study we have conducted, where we have synthesized tungsten based composite materials which are tungsten along with combined oxides of other elements like calcium, scandium, barium, and aluminium in the form of powder with bones powder of mice devised by high energy ball mill and later on fabricating high dense pellets by sintering by spark plasma. The particle sizes of the composite materials are found to be 1-2 µm, as evidenced by the electron microscope, suggesting synthesized materials are of micron size. The quantitative and qualitative analysis of sintered pellets are well confirmed by electron probe micro analyzer (EPMA) and energy dispersive X-ray spectrometer (EDS) which illustrate the greater percentage of tungsten presents in the profound scan areas with other elements of the composite. The absence of pores across the 3D geometry suggesting dense sample, which is quite revealed by the X-ray tomography inspection. The prepared sintered pellets from the tungsten based composites are found to be ≈ 99.5% density with the observation of tungsten to be accumulated uniformly across the scan regions along with focussed hot spots as implied by EPMA. This study paves the way, to examine how the tungsten accumulation and the distribution with the other elements for future understanding in bone tissue engineering application and the in vivo specification of tungsten.
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Affiliation(s)
- Gang Chen
- Department of Orthopedics, Binzhou People's Hospital, Binzhou 256610, China
| | - Zheng Fu
- Department of Orthopedics, Binzhou People's Hospital, Binzhou 256610, China
| | - Hongli Guo
- School of Health, Binzhou Polytechnic, Binzhou, Shandong Province 256603, China
| | - Sunil Kumar Pradhan
- School of Physical Science, Indian Institute of Science Education and Research, 760010, India
| | - Pan Hao
- Department of Trauma Center, Central Hospital Affiliated to Shandong First Medical University, Jinan Central Hospital, Cheeloo College of Medicine, Shandong University, Jinan 250013, China
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127
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Optimizing the biomimetic synthesis of hydroxyapatite for the consolidation of bone using diammonium phosphate, simulated body fluid, and gelatin. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-03547-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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128
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Nicoara AI, Stoica AE, Ene DI, Vasile BS, Holban AM, Neacsu IA. In Situ and Ex Situ Designed Hydroxyapatite: Bacterial Cellulose Materials with Biomedical Applications. MATERIALS 2020; 13:ma13214793. [PMID: 33121009 PMCID: PMC7663409 DOI: 10.3390/ma13214793] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 01/27/2023]
Abstract
Hydroxyapatite (HAp) and bacterial cellulose (BC) composite materials represent a promising approach for tissue engineering due to their excellent biocompatibility and bioactivity. This paper presents the synthesis and characterization of two types of materials based on HAp and BC, with antibacterial properties provided by silver nanoparticles (AgNPs). The composite materials were obtained following two routes: (1) HAp was obtained in situ directly in the BC matrix containing different amounts of AgNPs by the coprecipitation method, and (2) HAp was first obtained separately using the coprecipitation method, then combined with BC containing different amounts of AgNPs by ultrasound exposure. The obtained materials were characterized by means of XRD, SEM, and FT-IR, while their antimicrobial effect was evaluated against Gram-negative bacteria (Escherichia coli), Gram-positive bacteria (Staphylococcus aureus), and yeast (Candida albicans). The results demonstrated that the obtained composite materials were characterized by a homogenous porous structure and high water absorption capacity (more than 1000% w/w). These materials also possessed low degradation rates (<5% in simulated body fluid (SBF) at 37 °C) and considerable antimicrobial effect due to silver nanoparticles (10–70 nm) embedded in the polymer matrix. These properties could be finetuned by adjusting the content of AgNPs and the synthesis route. The samples prepared using the in situ route had a wider porosity range and better homogeneity.
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Affiliation(s)
- Adrian Ionut Nicoara
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.I.N.); (B.S.V.); (I.A.N.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Alexandra Elena Stoica
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.I.N.); (B.S.V.); (I.A.N.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
- Correspondence: ; Tel.: +40-784069104
| | - Denisa-Ionela Ene
- Faculty of Engineering in Foreign Languages, University Politehnica of Bucharest, 060042 Bucharest, Romania;
| | - Bogdan Stefan Vasile
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.I.N.); (B.S.V.); (I.A.N.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Alina Maria Holban
- Microbiology Department, Faculty of Biology, University of Bucharest, 060101 Bucharest, Romania;
| | - Ionela Andreea Neacsu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania; (A.I.N.); (B.S.V.); (I.A.N.)
- National Research Center for Micro and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
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129
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Jaafar A, Hecker C, Árki P, Joseph Y. Sol-Gel Derived Hydroxyapatite Coatings for Titanium Implants: A Review. Bioengineering (Basel) 2020; 7:bioengineering7040127. [PMID: 33066421 PMCID: PMC7711523 DOI: 10.3390/bioengineering7040127] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/05/2020] [Accepted: 10/10/2020] [Indexed: 01/02/2023] Open
Abstract
With the growing demands for bone implant therapy, titanium (Ti) and its alloys are considered as appropriate choices for the load-bearing bone implant substitutes. However, the interaction of bare Ti-based implants with the tissues is critical to the success of the implants for long-term stability. Thus, surface modifications of Ti implants with biocompatible hydroxyapatite (HAp) coatings before implantation is important and gained interest. Sol-gel is a potential technique for deposition the biocompatible HAp and has many advantages over other methods. Therefore, this review strives to provide widespread overview on the recent development of sol-gel HAp deposition on Ti. This study shows that sol-gel technique was able to produce uniform and homogenous HAp coatings and identified the role of surface pretreatment of Ti substrate, optimizing the sol-gel parameters, substitution, and reinforcement of HAp on improving the coating properties. Critical factors that influence on the characteristics of the deposited sol-gel HAp films as corrosion resistance, adhesion to substrate, bioactivity, morphological, and structural properties are discussed. The review also highlights the critical issues, the most significant challenges, and the areas requiring further research.
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130
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Geng Z, Ji L, Li Z, Wang J, He H, Cui Z, Yang X, Liu C. Nano-needle strontium-substituted apatite coating enhances osteoporotic osseointegration through promoting osteogenesis and inhibiting osteoclastogenesis. Bioact Mater 2020; 6:905-915. [PMID: 33102935 PMCID: PMC7553892 DOI: 10.1016/j.bioactmat.2020.09.024] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 09/11/2020] [Accepted: 09/27/2020] [Indexed: 12/30/2022] Open
Abstract
Implant loosening remains a major clinical challenge for osteoporotic patients. This is because osteoclastic bone resorption rate is higher than osteoblastic bone formation rate in the case of osteoporosis, which results in poor bone repair. Strontium (Sr) has been widely accepted as an anti-osteoporosis element. In this study, we fabricated a series of apatite and Sr-substituted apatite coatings via electrochemical deposition under different acidic conditions. The results showed that Ca and Sr exhibited different mineralization behaviors. The main mineralization products for Ca were CaHPO4·2H2O and Ca3(PO4)2 with the structure changed from porous to spherical as the pH values increased. The main mineralization products for Sr were SrHPO4 and Sr5(PO4)3OH with the structure changed from flake to needle as the pH values increased. The in vitro experiment demonstrated that coatings fabricated at high pH condition with the presence of Sr were favorable to MSCs adhesion, spreading, proliferation, and osteogenic differentiation. In addition, Sr-substituted apatite coatings could evidently inhibit osteoclast differentiation and fusion. Moreover, the in vivo study indicated that nano-needle like Sr-substituted apatite coating could suppress osteoclastic activity, improve new bone formation, and enhance bone-implant integration. This study provided a new theoretical guidance for implant coating design and the fabricated Sr-substituted coating might have potential applications for osteoporotic patients. Ca2+ and Sr2+ showed different mineralization behaviors in acidic environments. Apatites fabricated at high pH conditions were beneficial to MSCs growth. Sr-substituted apatite exhibited superior anti-osteoclast activity ability. Sr-substituted apatite facilitated osteogenesis, bone growth, and osseointegration.
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Affiliation(s)
- Zhen Geng
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Luli Ji
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhaoyang Li
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Jing Wang
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Hongyan He
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhenduo Cui
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Xianjin Yang
- Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, China
| | - Changsheng Liu
- Key Laboratory for Ultrafine Materials of Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,Engineering Research Center for Biomedical Materials of the Ministry of Education, East China University of Science and Technology, Shanghai, 200237, China.,The State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai, 200237, China
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131
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Wan B, Wang R, Sun Y, Cao J, Wang H, Guo J, Chen D. Building Osteogenic Microenvironments With Strontium-Substituted Calcium Phosphate Ceramics. Front Bioeng Biotechnol 2020; 8:591467. [PMID: 33117789 PMCID: PMC7576675 DOI: 10.3389/fbioe.2020.591467] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Accepted: 09/16/2020] [Indexed: 12/24/2022] Open
Abstract
Bioceramics have experienced great development over the past 50 years. Modern bioceramics are designed to integrate bioactive ions within ceramic granules to trigger living tissue regeneration. Preclinical and clinical studies have shown that strontium is a safe and effective divalent metal ion for preventing osteoporosis, which has led to its incorporation in calcium phosphate-based ceramics. The local release of strontium ions during degradation results in moderate concentrations that trigger osteogenesis with few systemic side effects. Moreover, strontium has been proven to generate a favorable immune environment and promote early angiogenesis at the implantation site. Herein, the important aspects of strontium-enriched calcium phosphate bioceramics (Sr-CaPs), and how Sr-CaPs affect the osteogenic microenvironment, are described.
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Affiliation(s)
| | - Renxian Wang
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
| | | | | | | | | | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Traumatology and Orthopaedics, Beijing Jishuitan Hospital, Beijing, China
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132
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Prosolov KA, Lastovka VV, Belyavskaya OA, Lychagin DV, Schmidt J, Sharkeev YP. Tailoring the Surface Morphology and the Crystallinity State of Cu- and Zn-Substituted Hydroxyapatites on Ti and Mg-Based Alloys. MATERIALS 2020; 13:ma13194449. [PMID: 33036465 PMCID: PMC7579569 DOI: 10.3390/ma13194449] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/02/2020] [Accepted: 10/04/2020] [Indexed: 12/20/2022]
Abstract
Titanium-based alloys are known as a “gold standard” in the field of implantable devices. Mg-based alloys, in turn, are very promising biocompatible material for biodegradable, temporary implants. However, the clinical application of Mg-based alloys is currently limited due to the rapid resorption rate in the human body. The deposition of a barrier layer in the form of bioactive calcium phosphate coating is proposed to decelerate Mg-based alloys resorption. The dissolution rate of calcium phosphates is strongly affected by their crystallinity and structure. The structure of antibacterial Cu- and Zn-substituted hydroxyapatite deposited by an radiofrequency (RF) magnetron sputtering on Ti and Mg–Ca substrates is tailored by post-deposition heat treatment and deposition at increased substrate temperatures. It is established that upon an increase in heat treatment temperature mean crystallite size decreases from 47 ± 17 to 13 ± 9 nm. The character of the crystalline structure is not only governed by the temperature itself but relies on the condition such as either post-deposition treatment, where an amorphous calcium phosphate undergoes crystallization or instantaneous crystalline coating growth during deposition on the hot substrate. A higher treatment temperature at 700 °C results in local coating micro-cracking and induced defects, while the temperature of 400–450 °C resulted in the formation of dense, void-free structure.
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Affiliation(s)
- Konstantin A. Prosolov
- Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, 634055 Tomsk, Russia; (V.V.L.); (O.A.B.); (Y.P.S.)
- Correspondence: ; Tel.: +7-961-888-58-33
| | - Vladimir V. Lastovka
- Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, 634055 Tomsk, Russia; (V.V.L.); (O.A.B.); (Y.P.S.)
| | - Olga A. Belyavskaya
- Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, 634055 Tomsk, Russia; (V.V.L.); (O.A.B.); (Y.P.S.)
| | - Dmitry V. Lychagin
- Department of Mineralogy and Geochemistry, National Research Tomsk State University, Lenin Avenue, 36, 634050 Tomsk, Russia;
| | - Juergen Schmidt
- Department of Electrochemistry, Innovent Technology Development, Pruessingstrasse 27 B, D-07745 Jena, Germany;
| | - Yurii P. Sharkeev
- Institute of Strength Physics and Materials Science of SB RAS, Academicheskii Prospect 2/4, 634055 Tomsk, Russia; (V.V.L.); (O.A.B.); (Y.P.S.)
- Research School of High-Energy Physics, National Research Tomsk Polytechnic University, Lenin Avenue, 30, 634050 Tomsk, Russia
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133
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Guerrieri AN, Montesi M, Sprio S, Laranga R, Mercatali L, Tampieri A, Donati DM, Lucarelli E. Innovative Options for Bone Metastasis Treatment: An Extensive Analysis on Biomaterials-Based Strategies for Orthopedic Surgeons. Front Bioeng Biotechnol 2020; 8:589964. [PMID: 33123519 PMCID: PMC7573123 DOI: 10.3389/fbioe.2020.589964] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Accepted: 09/07/2020] [Indexed: 12/27/2022] Open
Abstract
Bone is the third most frequent site of metastasis, with a particular incidence in breast and prostate cancer patients. For example, almost 70% of breast cancer patients develop several bone metastases in the late stage of the disease. Bone metastases are a challenge for clinicians and a burden for patients because they frequently cause pain and can lead to fractures. Unfortunately, current therapeutic options are in most cases only palliative and, although not curative, surgery remains the gold standard for bone metastasis treatment. Surgical intervention mostly provides the replacement of the affected bone with a bioimplant, which can be made by materials of different origins and designed through several techniques that have evolved throughout the years simultaneously with clinical needs. Several scientists and clinicians have worked to develop biomaterials with potentially successful biological and mechanical features, however, only a few of them have actually reached the scope. In this review, we extensively analyze currently available biomaterials-based strategies focusing on the newest and most innovative ideas while aiming to highlight what should be considered both a reliable choice for orthopedic surgeons and a future definitive and curative option for bone metastasis and cancer patients.
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Affiliation(s)
- Ania Naila Guerrieri
- Unit of Orthopaedic Pathology and Osteoarticular Tissue Regeneration, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Monica Montesi
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Simone Sprio
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Roberta Laranga
- Unit of Orthopaedic Pathology and Osteoarticular Tissue Regeneration, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Laura Mercatali
- Osteoncology and Rare Tumors Center, Istituto Scientifico Romagnolo per lo Studio e la Cura dei Tumori (IRST) IRCCS, Meldola, Italy
| | - Anna Tampieri
- Institute of Science and Technology for Ceramics, National Research Council, Faenza, Italy
| | - Davide Maria Donati
- Third Orthopaedic and Traumatologic Clinic Prevalently Oncologic, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
| | - Enrico Lucarelli
- Unit of Orthopaedic Pathology and Osteoarticular Tissue Regeneration, IRCCS Istituto Ortopedico Rizzoli, Bologna, Italy
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134
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Wu S, Ma S, Zhang C, Cao G, Wu D, Gao C, Lakshmanan S. Cryogel biocomposite containing chitosan-gelatin/cerium-zinc doped hydroxyapatite for bone tissue engineering. Saudi J Biol Sci 2020; 27:2638-2644. [PMID: 32994722 PMCID: PMC7499119 DOI: 10.1016/j.sjbs.2020.05.045] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Revised: 05/21/2020] [Accepted: 05/27/2020] [Indexed: 02/08/2023] Open
Abstract
The present examination includes manufacture and portrayal of cryogel bio-composite implants containing chitosan-gelatin (CS-GT), cerium–zinc doped hydroxyapatite (CS-GT/Ce-Zn-HA) by cryogelation technique. The prepared cryogel biocomposites (CS-GT/HA and CS-GT/Ce-Zn-HA) were described by scanning electron microscope (SEM) and X-Ray diffraction (XRD) contemplates. The expansion of Ce-Zn in the CS-GT implants essentially expanded growing, diminished swelling, expanded protein sorption, and expanded bactericidal movement. The CS-GT/Ce-Zn-HA biocomposite had non-toxic towards rodent osteoblast cells. So the created CS-GT/Ce-Zn-HA biocomposite has favorable and potential applications over the CS-GT/HA platforms for bone tissue engineering.
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Affiliation(s)
- Shiqing Wu
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
| | - Shengzhong Ma
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
| | - Cheng Zhang
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
| | - Guangqing Cao
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
| | - Dongjin Wu
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
| | - Chunzheng Gao
- Department of Spinal Surgery, The Second Hospital of Shandong University, No.247 Beiyuan Road, Tianqiao District, Jinan City, Shandong Province 250033, China
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135
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Novel ternary vancomycin/strontium doped hydroxyapatite/graphene oxide bioactive composite coatings electrodeposited on titanium substrate for orthopedic applications. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125223] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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136
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Low-Cost Deposition of Antibacterial Ion-Substituted Hydroxyapatite Coatings onto 316L Stainless Steel for Biomedical and Dental Applications. COATINGS 2020. [DOI: 10.3390/coatings10090880] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Substitutions of ions into an apatitic lattice may result in antibacterial properties. In this study, magnesium (Mg)-, zinc (Zn)-, and silicon (Si)-substituted hydroxyapatite (HA) were synthesized using a microwave irradiation technique. Polyvinyl alcohol (PVA) was added during the synthesis of the substituted HA as a binding agent. The synthesized Mg-, Zn-, and Si-substituted HAs were then coated onto a 316L-grade stainless-steel substrate using low-cost electrophoretic deposition (EPD), thereby avoiding exposure to high temperatures. The deposited layer thickness was measured and the structural, phase and morphological analysis were characterized by Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscope (SEM), respectively. The bacterial adhesion of Staphylococcus aureus was characterized at 30 min, 2 h and 6 h. The results showed homogeneous, uniform thickness (50–70 µm) of the substrate. FTIR and XRD showed the characteristic spectral peaks of HA, where the presence of Mg, Zn and Si changed the spectral peak intensities. The Mg–HA coating showed the least bacterial adhesion at 30 min and 2 h. In contrast, the Si–HA coating showed the least adhesion at 6 h. EPD showed an effective way to get a uniform coating on bio-grade metal implants, where ionic-substituted HA appeared as alternative coating material compared to conventional HA and showed the least bacterial adhesion.
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137
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Gokcekaya O, Ueda K, Narushima T, Nakano T. Using HAADF-STEM for atomic-scale evaluation of incorporation of antibacterial Ag atoms in a β-tricalcium phosphate structure. NANOSCALE 2020; 12:16596-16604. [PMID: 32756641 DOI: 10.1039/d0nr04208k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Structural evaluation of ionic additions in calcium phosphates that enhance their performance is a long-lasting area of research in the field of biomedical materials. Ionic incorporation in β-tricalcium phosphate (β-TCP) structures is indispensable for obtaining desirable properties for specific functions and applications. Owing to its complex structure and beam-sensitive nature, determining the extent of ion incorporation and its corresponding location in the β-TCP structure is challenging. Further, very few experimental studies have been able to estimate the location of Ag atoms incorporated in a β-TCP structure while considering the associated changes in lattice parameters. Although the incorporation alters the lattice parameters, the alteration is not significant enough for estimating the location of the incorporated Ag atoms. Here, Ag incorporation in a β-TCP structure was evaluated on atomic scale using scanning transmission electron microscopy (STEM). To the best of our knowledge, this is the first report to unambiguously determine the location of the incorporated Ag atoms in the β-TCP structure by comparing z-contrast profiles of the Ag and Ca atoms by combining the state-of-art STEM observations and STEM image simulations. The Ag incorporation in the Ca(4) sites of β-TCP, as estimated by the Rietveld refinement, was in good agreement with the high-angle annular dark-field STEM observations and the simulations of the location of Ag atoms for [001] and [010] zone axes.
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Affiliation(s)
- Ozkan Gokcekaya
- Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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138
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Li C, Qin W, Lakshmanan S, Ma X, Sun X, Xu B. Hydroxyapatite based biocomposite scaffold: A highly biocompatible material for bone regeneration. Saudi J Biol Sci 2020; 27:2143-2148. [PMID: 32742182 PMCID: PMC7384365 DOI: 10.1016/j.sjbs.2020.05.029] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 05/13/2020] [Accepted: 05/16/2020] [Indexed: 12/16/2022] Open
Abstract
The conventional approaches for treating bone defects such as autografts donor tissue shortages and allografts transmission of diseases pose many shortcomings. The objective of this study was to design a nano strontium/magnesium doped hydroxyapatite (Sr/Mg-HA) with chitosan (CTS) and multi-walled carbon nanotubes (MWCNT) (Sr/Mg-HA/MWCNT/CTS) biocomposite was created to support the growth of osteoblasts using a solvent evaporation method. To help the growth of osteoblasts, a solvent evaporation technique was used to design a nano strontium/magnesium doped hydroxyapatite with chitosan and multi-walled carbon nanotubes biocomposite. We studied the biocompatibility and efficiency in vitro of biocomposite following physicochemical analyzes. Tests of biocompatibility, cell proliferation, mineralization, and osteogenic differentiation have shown that in-vitro safety and effectiveness of biocomposite are good. The performance of biocomposite was more efficient in in-vitro as well as in vivo experiments than in Sr/Mg-HA nanoparticles. Briefly, the Sr/Mg-HA/MWCNT/CTS biocomposite is an ideal candidate for effective bone repair in clinics with excellent mechanical properties with durable multi-biofunctional antibacterial properties and osteoinductivity.
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Affiliation(s)
- Ceng Li
- Department of Orthopedics, Jingzhou Hospital of Traditional Chinese Medicine, Jingzhou city, Hubei Province 434000, China
| | - Weiguang Qin
- Department of Orthopaedic, Zhanhua District People's Hospital of Binzhou, Binzhou city, Shandong Province 256800, China
| | | | - Xiaohui Ma
- Department of Pharmacy, Tai'an Hospital of Traditional Chinese Medicine, Tai'an city, Shandong Province 271000 China
| | - Xiaowei Sun
- Office of Academic Research, Jingzhou Hospital of Traditional Chinese Medicine, Jingzhou city, Hubei Province 434000, China
| | - Bo Xu
- Department of Orthopaedics, Shanghai Pudong New Area Gongli Hospital, Shanghai city 200120, China
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139
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Abstract
The paper briefly describes major thermal spray techniques used to spray functionally graded coatings such as atmospheric plasma spraying, high velocity oxy-fuel spraying, suspension and solution precursor plasma spraying, and finally low and high pressure cold gas spray method. The examples of combined spray processes as well as some examples of post spray treatment including laser and high temperature treatments or mechanical one, are described. Then, the solid and liquid feedstocks used to spray and their properties are shortly discussed. The reviewed properties of functional coatings include: (i) mechanical (adhesion, toughness, hardness); (ii) physical (porosity, thermal conductivity and diffusivity, thermal expansion, photo-catalytic activity), and; (iii) bioactivity and simulated body fluid (SBF) corrosion. These properties are useful in present applications of functionally graded coatings as thermal barriers, the bioactive coatings in prostheses, photo-catalytic coatings in water treatment, coatings used in printing industry (anilox and corona rolls). Finally, some of the future possible fields of functional thermal sprayed coatings applications are discussed, e.g., to coat polymer substrates or to use the cheap technology of low pressure cold gas spray method instead of expensive technology of vacuum plasma spraying to obtain bond coatings.
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140
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Ghiasi B, Sefidbakht Y, Mozaffari-Jovin S, Gharehcheloo B, Mehrarya M, Khodadadi A, Rezaei M, Ranaei Siadat SO, Uskoković V. Hydroxyapatite as a biomaterial - a gift that keeps on giving. Drug Dev Ind Pharm 2020; 46:1035-1062. [PMID: 32476496 DOI: 10.1080/03639045.2020.1776321] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
The synthetic analogue to biogenic apatite, hydroxyapatite (HA) has a number of physicochemical properties that make it an attractive candidate for diagnosis, treatment of disease and augmentation of biological tissues. Here we describe some of the recent studies on HA, which may provide bases for a number of new medical applications. The content of this review is divided to different medical application modes utilizing HA, including tissue engineering, medical implants, controlled drug delivery, gene therapies, cancer therapies and bioimaging. A number of advantages of HA over other biomaterials emerge from this discourse, including (i) biocompatibility, (ii) bioactivity, (iii) relatively simple synthesis protocols for the fabrication of nanoparticles with specific sizes and shapes, (iv) smart response to environmental stimuli, (v) facile functionalization and surface modification through noncovalent interactions, and (vi) the capacity for being simultaneously loaded with a wide range of therapeutic agents and switched to bioimaging modalities for uses in theranostics. A special section is dedicated to analysis of the safety of particulate HA as a component of parenterally administrable medications. It is concluded that despite the fact that many benefits come with the usage of HA, its deficiencies and potential side effects must be addressed before the translation to the clinical domain is pursued. Although HA has been known in the biomaterials world as the exemplar of safety, this safety proves to be the function of size, morphology, surface ligands and other structural and compositional parameters defining the particles. For this reason, each HA, especially when it comes in a novel structural form, must be treated anew from the safety research angle before being allowed to enter the clinical stage.
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Affiliation(s)
- Behrad Ghiasi
- Protein Research Center, Shahid Beheshti University, Tehran, Iran
| | - Yahya Sefidbakht
- Protein Research Center, Shahid Beheshti University, Tehran, Iran.,Nanobiotechnology Laboratory, The Faculty of New Technologies Engineering (NTE), Shahid Beheshti University, Tehran, Iran
| | - Sina Mozaffari-Jovin
- Medical Genetics Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Medical Genetics, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | | | - Arash Khodadadi
- Department of Pharmaceutics, Faculty of Pharmacy, Kerman University of Medical Science, Kerman, Iran
| | - Maryam Rezaei
- Institute of Biochemistry and Biophysics (IBB), Tehran University, Tehran, Iran
| | - Seyed Omid Ranaei Siadat
- Protein Research Center, Shahid Beheshti University, Tehran, Iran.,Nanobiotechnology Laboratory, The Faculty of New Technologies Engineering (NTE), Shahid Beheshti University, Tehran, Iran
| | - Vuk Uskoković
- Department of Mechanical and Aerospace Engineering, University of California, Irvine, CA, USA
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141
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Huang YM, Huang CC, Tsai PI, Yang KY, Huang SI, Shen HH, Lai HJ, Huang SW, Chen SY, Lin FH, Chen CY. Three-Dimensional Printed Porous Titanium Screw with Bioactive Surface Modification for Bone-Tendon Healing: A Rabbit Animal Model. Int J Mol Sci 2020; 21:ijms21103628. [PMID: 32455543 PMCID: PMC7279243 DOI: 10.3390/ijms21103628] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/17/2020] [Accepted: 05/19/2020] [Indexed: 11/16/2022] Open
Abstract
The interference screw fixation method is used to secure a graft in the tibial tunnel during anterior cruciate ligament reconstruction surgery. However, several complications have been reported, such as biodegradable screw breakage, inflammatory or foreign body reaction, tunnel enlargement, and delayed graft healing. Using additive manufacturing (AM) technology, we developed a titanium alloy (Ti6Al4V) interference screw with chemically calcium phosphate surface modification technology to improve bone integration in the tibial tunnel. After chemical and heat treatment, the titanium screw formed a dense apatite layer on the metal surface in simulated body fluid. Twenty-seven New Zealand white rabbits were randomly divided into control and additive manufactured (AMD) screw groups. The long digital extensor tendon was detached and translated into a tibial plateau tunnel (diameter: 2.0 mm) and transfixed with an interference screw while the paw was in dorsiflexion. Biomechanical analyses, histological analyses, and an imaging study were performed at 1, 3, and 6 months. The biomechanical test showed that the ultimate pull-out load failure was significantly higher in the AMD screw group in all tested periods. Micro-computed tomography analyses revealed early woven bone formation in the AMD screw group at 1 and 3 months. In conclusion, AMD screws with bioactive surface modification improved bone ingrowth and enhanced biomechanical performance in a rabbit model.
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Affiliation(s)
- Yu-Min Huang
- Department of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan; (Y.-M.H.); (S.-W.H.); (F.-H.L.)
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, Taipei 100, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 100, Taiwan
| | - Chih-Chieh Huang
- Department of Materials Science and Engineering, National Chiao-Tung University, Hsinchu 300, Taiwan; (C.-C.H.); (S.-Y.C.)
| | - Pei-I Tsai
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan; (P.-IT.); (K.-Y.Y.); (S.-IH.); (H.-H.S.)
| | - Kuo-Yi Yang
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan; (P.-IT.); (K.-Y.Y.); (S.-IH.); (H.-H.S.)
| | - Shin-I Huang
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan; (P.-IT.); (K.-Y.Y.); (S.-IH.); (H.-H.S.)
| | - Hsin-Hsin Shen
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan; (P.-IT.); (K.-Y.Y.); (S.-IH.); (H.-H.S.)
| | - Hong-Jen Lai
- Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 310, Taiwan;
| | - Shu-Wei Huang
- Department of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan; (Y.-M.H.); (S.-W.H.); (F.-H.L.)
| | - San-Yuan Chen
- Department of Materials Science and Engineering, National Chiao-Tung University, Hsinchu 300, Taiwan; (C.-C.H.); (S.-Y.C.)
| | - Feng-Huei Lin
- Department of Biomedical Engineering, National Taiwan University, Taipei 106, Taiwan; (Y.-M.H.); (S.-W.H.); (F.-H.L.)
- Institute of Biomedical Engineering and Nanomedicine, National Health Research Institutes, Miaoli County 360, Taiwan
| | - Chih-Yu Chen
- Department of Orthopedics, Shuang Ho Hospital, Taipei Medical University, Taipei 100, Taiwan
- Department of Orthopedics, School of Medicine, College of Medicine, Taipei Medical University, Taipei 100, Taiwan
- Correspondence: ; Tel.: +886-970-747767
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142
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Abstract
The modification of implant devices with biocompatible coatings has become necessary as a consequence of premature loosening of prosthesis. This is caused mainly by chronic inflammation or allergies that are triggered by implant wear, production of abrasion particles, and/or release of metallic ions from the implantable device surface. Specific to the implant tissue destination, it could require coatings with specific features in order to provide optimal osseointegration. Pulsed laser deposition (PLD) became a well-known physical vapor deposition technology that has been successfully applied to a large variety of biocompatible inorganic coatings for biomedical prosthetic applications. Matrix assisted pulsed laser evaporation (MAPLE) is a PLD-derived technology used for depositions of thin organic material coatings. In an attempt to surpass solvent related difficulties, when different solvents are used for blending various organic materials, combinatorial MAPLE was proposed to grow thin hybrid coatings, assembled in a gradient of composition. We review herein the evolution of the laser technological process and capabilities of growing thin bio-coatings with emphasis on blended or multilayered biomimetic combinations. These can be used either as implant surfaces with enhanced bioactivity for accelerating orthopedic integration and tissue regeneration or combinatorial bio-platforms for cancer research.
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143
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Qi ML, Yao S, Liu XC, Wang X, Cui F. Nanosheet-assembled carbonated hydroxyapatite microspheres prepared by an EDTA-assisted hydrothermal homogeneous precipitation route. CrystEngComm 2020. [DOI: 10.1039/d0ce00305k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Well-defined carbonated hydroxyapatite microspheres assembled from nanosheets were synthesized by a Na2EDTA-assisted hydrothermal homogeneous precipitation route.
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Affiliation(s)
- Mei-li Qi
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
- School of Materials Science and Engineering
| | - Shengkun Yao
- Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Device
- School of Physics and Electronics
- Shandong Normal University
- Ji'nan 250358
- China
| | - Xiao-Cun Liu
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
| | - Xiaoning Wang
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
| | - Fengkun Cui
- School of Transportation Civil Engineering
- Shandong Jiaotong University
- Ji'nan 250357
- China
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