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Shehata TP, Krap T. An overview of the heat-induced changes of the chemical composition of bone from fresh to calcined. Int J Legal Med 2024; 138:1039-1053. [PMID: 38270608 PMCID: PMC11004044 DOI: 10.1007/s00414-024-03160-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024]
Abstract
When bone is exposed to thermal stress, the chemical composition changes. This affects bone tissue regeneration after surgery, and these changes can also aid in reconstructing ante-, peri-, and post-mortem events in forensic investigations and past activities on cremation practices in archaeology. However, to date, no complete overview exists on the chemical composition of both fresh and thermally altered bone. Therefore, we aimed (i) to present the chemical composition of fresh bone and (ii) to present an overview of heat-induced chemical changes in bone under both reducing and oxidizing conditions. From the overview, it became clear that some chemical changes occur at a consistent temperature, independent of exposure duration, meaning there is a temperature threshold. However, the occurrence of other chemical changes appeared to be more inter-experimentally variable, and therefore, it is recommended to further investigate these changes.
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Affiliation(s)
- Thomas P Shehata
- University of Amsterdam, Spui 21, 1012 WX, Amsterdam, The Netherlands
- Vrije Universiteit Amsterdam, De Boelelaan1105, 1081 HV, Amsterdam, The Netherlands
| | - Tristan Krap
- Department of Medical Biology, Section Anatomy & Biomedical Engineering and Physics, Amsterdam Medical Centre, Location Academic Medical Centre, Meibergdreef 9, 1105 AZ, Amsterdam, The Netherlands.
- Maastricht University, Minderbroedersweg 4-6, 6211 LK, Maastricht, The Netherlands.
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2
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Miao B, Zhang J, Guo J, Ma X, Wang L, Zhang X. Understanding the Microstructure Evolution of 8Cr4Mo4V Steel under High-Dose-Rate Ion Implantation. MATERIALS (BASEL, SWITZERLAND) 2023; 16:5876. [PMID: 37687568 PMCID: PMC10488348 DOI: 10.3390/ma16175876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 08/09/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
In this study, the effect of microstructure under various dose rates of plasma immersion ion implantation on 8Cr4Mo4V steel has been investigated for crystallite size, lattice strain and dislocation density. The phase composition and structure parameters including crystallite size, dislocation density and lattice strain have been investigated by X-ray diffraction (XRD) measurements and determined from Scherrer's equation and three different Williamson-Hall (W-H) methods. The obtained results reveal that a refined crystallite size, enlarged microstrain and increased dislocation density can be obtained for the 8Cr4Mo4V steel treated by different dose rates of ion implantation. Compared to the crystallite size (15.95 nm), microstrain (5.69 × 10-3) and dislocation density (8.48 × 1015) of the dose rate of 2.60 × 1017 ions/cm2·h, the finest grain size, the largest microstrain and the highest dislocation density of implanted samples can be achieved when the dose rate rises to 5.18 × 1017 ions/cm2·h, the effect of refining is 26.13%, and the increment of microstrain and dislocation density are 26.3% and 45.6%, respectively. Moreover, the Williamson-Hall plots are fitted linearly by taking βcosθ along the y-axis and 4sinθ or 4sinθ/Yhkl or 4sinθ(2/Yhkl)1/2 along the x-axis. In all of the W-H graphs, it can be observed that some of the implanted samples present a negative and a positive slope; a negative and a positive slope in the plot indicate the presence of compressive and tensile strain in the material.
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Affiliation(s)
- Bin Miao
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; (J.Z.); (J.G.)
| | - Jinming Zhang
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; (J.Z.); (J.G.)
- CETC Academy of Chips Technology, Chongqing 401332, China
| | - Jiaxu Guo
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; (J.Z.); (J.G.)
| | - Xinxin Ma
- State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China
- School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China; (J.Z.); (J.G.)
| | - Liqin Wang
- MIIT Key Laboratory of Aerospace Bearing Technology and Equipment, Harbin Institute of Technology, Harbin 150001, China;
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Schariatmadary P, Aalders MCG, Oostra RJ, Krap T. Temperature-specific spectral shift of luminescing thermally altered human remains. Int J Legal Med 2023:10.1007/s00414-023-03006-0. [PMID: 37178277 PMCID: PMC10247558 DOI: 10.1007/s00414-023-03006-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
Human bone has shown to have luminescent properties that remain throughout the phases of cremation, with the exception of fully carbonized bone, when excited with a narrow band light source. During this research, an alternate light source (420-470nm, peak at 445nm) was used to visualize and investigate latent details relevant for forensic investigations of human remains recovered at fire scenes. As fire is a destructive force, it induces a vast variety of physical and chemical alterations to all components of the bone, making the subsequent analysis and interpretation of burned human remains challenging. A spectral shift in emission bandwidth, from green to red, was previously observed when the exposure temperature increased from 700 to 800 °C. This spectral shift was reproduced on a total of 10 human forearms, divided into 20 segments, by burning at 700 °C and 900 °C in an ashing furnace. The shift of emission bandwidth caused only by an increase in temperature was furthermore investigated by colorimetric analysis, proving the spectral shift to be significant. By easily quantifying the spectral shift, substantiation is provided for the use of this technique in practice to improve the interpretation of heat induced changes of bone.
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Affiliation(s)
- Parnia Schariatmadary
- Amsterdam UMC location University of Amsterdam, Biomedical Engineering and Physics, Amsterdam, The Netherlands
| | - Maurice C G Aalders
- Amsterdam UMC location University of Amsterdam, Biomedical Engineering and Physics, Amsterdam, The Netherlands
| | - Roelof-Jan Oostra
- Amsterdam UMC location University of Amsterdam, Medical Biology, Section Clinical Anatomy and Embryology, Amsterdam, The Netherlands
| | - Tristan Krap
- Amsterdam UMC location University of Amsterdam, Biomedical Engineering and Physics, Amsterdam, The Netherlands.
- Amsterdam UMC location University of Amsterdam, Medical Biology, Section Clinical Anatomy and Embryology, Amsterdam, The Netherlands.
- Faculty of Law and Criminology, Maastricht Institute for Criminal Studies (MICS), Maastricht University, Maastricht, The Netherlands.
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Bone Apatite Nanocrystal: Crystalline Structure, Chemical Composition, and Architecture. Biomimetics (Basel) 2023; 8:biomimetics8010090. [PMID: 36975320 PMCID: PMC10046636 DOI: 10.3390/biomimetics8010090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 02/04/2023] [Accepted: 02/10/2023] [Indexed: 02/24/2023] Open
Abstract
The biological and mechanical functions of bone rely critically on the inorganic constituent, which can be termed as bone apatite nanocrystal. It features a hydroxylapatite-like crystalline structure, complex chemical compositions (e.g., carbonate-containing and calcium- and hydroxyl-deficient), and fine geometries and properties. The long research with vast literature across broad spectra of disciplines and fields from chemistry, crystallography, and mineralogy, to biology, medical sciences, materials sciences, mechanics, and engineering has produced a wealth of knowledge on the bone apatite nanocrystal. This has generated significant impacts on bioengineering and industrial engineering, e.g., in developing new biomaterials with superior osteo-inductivities and in inspiring novel strong and tough composites, respectively. Meanwhile, confusing and inconsistent understandings on the bone mineral constituent should be addressed to facilitate further multidisciplinary progress. In this review, we present a mineralogical account of the bone-related ideal apatite mineral and then a brief historical overview of bone mineral research. These pave the road to understanding the bone apatite nanocrystal via a material approach encompassing crystalline structure, diverse chemical formulae, and interesting architecture and properties, from which several intriguing research questions emerge for further explorations. Through providing the classical and latest findings with decent clearness and adequate breadth, this review endeavors to promote research advances in a variety of related science and engineering fields.
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Production and Optimization of Novel Rice husk Ash reinforced Polycaprolactone/Hydroxyapatite Composite for Bone Regeneration Using Grey Relational Analysis. SCIENTIFIC AFRICAN 2023. [DOI: 10.1016/j.sciaf.2023.e01563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
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Ali AH, Hashem HAE, Elfalaky A. Preparation, Properties, and Characterization of ZnS Nanoparticles. ASEC 2022 2022. [DOI: 10.3390/asec2022-13829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Affiliation(s)
- Amani H. Ali
- Egyptian Meteorological Authority, Qobry EL-Kobba, Cairo P.O. Box 11784, Egypt
| | | | - Ahmed Elfalaky
- Faculty of Science, Physics Department, Zagazig University, Zagazig P.O. Box 44519, Egypt
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Khurshid Z, Alfarhan MF, Mazher J, Bayan Y, Cooper PR, Dias GJ, Adanir N, Ratnayake J. Extraction of Hydroxyapatite from Camel Bone for Bone Tissue Engineering Application. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227946. [PMID: 36432047 PMCID: PMC9695224 DOI: 10.3390/molecules27227946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 11/04/2022] [Accepted: 11/15/2022] [Indexed: 11/18/2022]
Abstract
Waste tissues such as mammalian bone are a valuable source from which to extract hydroxyapatite. Camel bone-based hydroxyapatite (CBHA) was extracted from the femur of camel bones using a defatting and deproteinization procedure. The extracted CBHA was mechanically, chemically, physically, morphologically and structurally characterized. Fourier-Transform Infra-Red (FTIR) spectra, Micro-Raman, and X-ray diffraction analysis confirmed successful extraction of hydroxyapatite. The mechanical properties of the CBHA scaffold were measured using a Universal Instron compression tester. Scanning electron microscopy showed the presence of a characteristic interconnected porous architecture with pore diameter ranging from 50-600 µm and micro-computer tomography (Micro-CT) analysis identified a mean porosity of 73.93. Thermogravimetric analysis showed that the CBHA was stable up to 1000 °C and lost only 1.435% of its weight. Inductively coupled plasma-mass spectrometry (ICP-MS) and Energy-dispersive-X-ray (EDX) analysis demonstrated the presence of significant amounts of calcium and phosphorus and trace ions of sodium, magnesium, zinc, lead and strontium. Following 21 days of incubation in simulated body fluid (SBF), the pH fluctuated between 10-10.45 and a gradual increase in weight loss was observed. In conclusion, the extracted CBHA is a promising material for future use in bone tissue regeneration applications.
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Affiliation(s)
- Zohaib Khurshid
- Department of Prosthodontics and Dental Implantology, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Oral Science, Faculty of Dentistry, University of Otago, 310 Great King Street, Dunedin 9016, New Zealand
- Correspondence: ; Tel.: +966-558420410
| | | | - Javed Mazher
- Department of Physics, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Yasmin Bayan
- Department of Oral Science, Faculty of Dentistry, University of Otago, 310 Great King Street, Dunedin 9016, New Zealand
| | - Paul R. Cooper
- Department of Oral Science, Faculty of Dentistry, University of Otago, 310 Great King Street, Dunedin 9016, New Zealand
| | - George J. Dias
- Department of Anatomy, University of Otago, 310 Great King Street, Dunedin 9016, New Zealand
| | - Necdet Adanir
- Department of Restorative Dentistry, College of Dentistry, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Jithendra Ratnayake
- Department of Oral Science, Faculty of Dentistry, University of Otago, 310 Great King Street, Dunedin 9016, New Zealand
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Filip DG, Surdu VA, Paduraru AV, Andronescu E. Current Development in Biomaterials-Hydroxyapatite and Bioglass for Applications in Biomedical Field: A Review. J Funct Biomater 2022; 13:jfb13040248. [PMID: 36412889 PMCID: PMC9680477 DOI: 10.3390/jfb13040248] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022] Open
Abstract
Inorganic biomaterials, including different types of metals and ceramics are widely used in various fields due to their biocompatibility, bioactivity, and bioresorbable capacity. In recent years, biomaterials have been used in biomedical and biological applications. Calcium phosphate (CaPs) compounds are gaining importance in the field of biomaterials used as a standalone material or in more complex structures, especially for bone substitutes and drug delivery systems. The use of multiple dopants into the structure of CaPs compounds can significantly improve their in vivo and in vitro activity. Among the general information included in the Introduction section, in the first section of this review paper, the authors provided a background on the development of hydroxyapatite, methods of synthesis, and its applications. The advantages of using different ions and co-ions for substitution into the hydroxyapatite lattice and their influence on physicochemical, antibacterial, and biological properties of hydroxyapatite are also presented in this section of the review paper. Larry Hench's 45S5 Bioglass®, commercially named 45S5, was the first bioactive glass that revealed a chemical bond with bone, highlighting the potential of this biomaterial to be widely used in biomedicine for bone regeneration. The second section of this article is focused on the development and current products based on 45S5 Bioglass®, covering the historical evolution, importance of the sintering method, hybrid bioglass composites, and applications. To overcome the limitations of the original biomaterials, studies were performed to combine hydroxyapatite and 45S5 Bioglass® into new composites used for their high bioactivity and improved properties. This particular type of combined hydroxyapatite/bioglass biomaterial is discussed in the last section of this review paper.
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Affiliation(s)
- Diana Georgiana Filip
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Vasile-Adrian Surdu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 060042 Bucharest, Romania
- National Centre for Micro and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania
- Correspondence:
| | - Andrei Viorel Paduraru
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Ecaterina Andronescu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Chemical Engineering and Biotechnologies, University Politehnica of Bucharest, 060042 Bucharest, Romania
- National Centre for Micro and Nanomaterials, University Politehnica of Bucharest, 060042 Bucharest, Romania
- Academy of Romanian Scientists, 50085 Bucharest, Romania
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9
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Thermally dynamic examination of local order in nanocrystalline hydroxyapatite. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Mishra S, Choudhary R, Parida S. Structural, dielectric, electrical and optical properties of a double perovskite: BaNaFeWO6 for some device applications. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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11
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Karunadasa KS, Manoratne C. Microstructural view of anatase to rutile phase transformation examined by in-situ high-temperature X-ray powder diffraction. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2022.123377] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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12
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Végh EI, Márquez-Grant N, Schulting RJ. Physicochemical Changes in Bone Bioapatite During the Late Postmortem Interval Pre- and Post-Burning. APPLIED SPECTROSCOPY 2022; 76:1080-1099. [PMID: 35188426 PMCID: PMC9490440 DOI: 10.1177/00037028221085600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
Postmortem chemical transformation of bone bioapatite can take place during early diagenesis, resulting in a more thermodynamically stable mineral phase. This paper examines the impact of a one year postmortem interval on unburnt and burnt bone's structural and chemical alterations. This question is of importance for the reconstruction of funerary practices involving cremation in the archaeological record, as well as forensic anthropological investigations. Fleshed pig (Sus scrofa) tibiae were left exposed in a field, then collected at 14, 34, 91, 180, and 365 day intervals prior to being burnt in an outdoor fire (≤750 °C bone temperature). Fresh (fleshed) tibiae acted as unburnt and burnt controls. Also included in the study were two cremated human bone fragments from Middle-Late Neolithic (ca. 3300-2500 BCE) Ireland. Samples were analyzed for major and trace elements using an electron microprobe wavelength dispersive analyzer and molecular structures using Fourier transform infrared spectroscopy. Linear regression, principal component analysis, linear discriminant analysis, and multivariate analysis of variance were performed for statistical analysis. Results indicate that the concentrations of elements associated with extracellular fluid (K, Na, and Cl) change with the postmortem interval (PMI) and survive burning. K values under 0.07 ± 0.01 wt% in the inner and mid-cortical zones of burnt bones suggest that bones were not burnt immediately after death. Using this criterion, results from the archaeological samples would indicate a PMI of at least weeks to months prior to cremation. Ca, P, Fe, Al, Si, and Sr are not significantly altered with burning, and Fe, Al, Si, and Sr are also unaffected by the PMI. In unburnt bones increased crystallinity and carbonate loss are detectable in <1 year, but both are obscured by burning. Structurally, the carbonate to phosphate ratio (C/P), the phosphate high temperature, and cyanamide to phosphate (CN/P) are the most useful ratios for discriminating between unburnt and burnt bones.
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Affiliation(s)
- Emese I. Végh
- Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, Oxfordshire, UK
| | - Nicholas Márquez-Grant
- Defence Academy of the United Kingdom, Cranfield Forensic Institute, Cranfield University, Cranfield, Bedford, UK
| | - Rick J. Schulting
- Research Laboratory for Archaeology and the History of Art, University of Oxford, Oxford, Oxfordshire, UK
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Jia X, Zhou J, Ning J, Li M, Yao Y, Wang X, Jian Y, Zhao K. The polycaprolactone/silk fibroin/carbonate hydroxyapatite electrospun scaffold promotes bone reconstruction by regulating the polarization of macrophages. Regen Biomater 2022; 9:rbac035. [PMID: 35801011 PMCID: PMC9255275 DOI: 10.1093/rb/rbac035] [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: 02/13/2022] [Revised: 05/11/2022] [Accepted: 05/22/2022] [Indexed: 11/12/2022] Open
Abstract
Macrophages are known to modulate the osteogenic environment of bone regeneration elicited by biological bone grafts. Alteration in certain chemical components tends to affect macrophages polarization. Comparatively to hydroxyapatite (HAp), carbonate hydroxyapatite (CHA) consists of 7.4 (wt%) carbonate ions and more closely resembles the mineral content of bone. It remains unknown whether CHA scaffolds or HA scaffolds have better osteogenic properties. In this study, we fabricated PCL/SF scaffold, PCL/SF/HAp scaffold and PCL/SF/CHA scaffold using the electrospinning technique. Despite comparable mechanical properties, the PCL/SF/CHA scaffold exhibited better osteogenic properties than the PCL/SF/HAp scaffold. Although no significant differences were observed between the two scaffolds for promoting osteoblast differentiation in vitro, the PCL/SF/CHA group appeared to be more effective at promoting bone regeneration in cranial defects in vivo. The PCL/SF/CHA scaffold was found to promote macrophage polarization toward M2 via activating the JAK/STAT5 pathway which caused a pro-osteogenic microenvironment to facilitate osteoblast differentiation. The results of this study indicated a higher potential of CHA to substitute HAp in the production of bone scaffolds for better bone regeneration.
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Affiliation(s)
- Xiaoshi Jia
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Jing Zhou
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Jinqiu Ning
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Maoquan Li
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Yitong Yao
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Xiaodong Wang
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Yutao Jian
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
| | - Ke Zhao
- Department of Prosthodontics, Guanghua School of Stomatology, Hospital of Stomatology, Sun Yat-sen University, Guangzhou, Guangdong 510055, China
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Sensitive Biosensor Based on Shape-Controlled ZnO Nanostructures Grown on Flexible Porous Substrate for Pesticide Detection. SENSORS 2022; 22:s22093522. [PMID: 35591210 PMCID: PMC9104612 DOI: 10.3390/s22093522] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/01/2022] [Accepted: 05/01/2022] [Indexed: 02/04/2023]
Abstract
Developing an inexpensive, sensitive, and point-of-use biosensor for pesticide detection is becoming an important area in sensing. Such sensors can be used in food packaging, agricultural fields, and environmental monitoring of pesticides. The present investigation has developed a zinc oxide (ZnO)-based biosensor on porous, flexible substrates such as carbon paper and carbon cloth to detect organophosphates such as paraoxon (OP). Here, the influence of morphology and underlying substrate on biosensor performance was studied. The biosensors were fabricated by immobilizing the acetylcholinesterase (AChE) enzyme on ZnO, which is directly grown on the flexible substrates. The ZnO biosensors fabricated on the carbon cloth demonstrated good performance with the detection limit of OP in the range of 0.5 nM–5 µM, higher sensitivity, and greater stability.
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Abdelmoneim D, Porter GC, Coates DE, Duncan WJ, Waddell JN, Hammer N, Li KC. The Effect of Low-Processing Temperature on the Physicochemical and Mechanical Properties of Bovine Hydroxyapatite Bone Substitutes. MATERIALS 2022; 15:ma15082798. [PMID: 35454491 PMCID: PMC9025514 DOI: 10.3390/ma15082798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/22/2022] [Accepted: 03/24/2022] [Indexed: 11/29/2022]
Abstract
Bovine bone grafts (BBX) require protein removal as part of the manufacturing process to reduce antigenicity and, in consequence, to be safely used in humans. Deproteinisation may have direct effects on the characteristics of the bone material and on in vivo material performance. This research aimed to comprehensively study the physicochemical and mechanical properties of BBX processed at low deproteinisation processing temperatures. Cubes of bovine bone (8 mm3) were treated with temperatures between 100 °C and 220 °C at 30 °C intervals and with pressures ranging from 1.01 to 24.58 Bar. The samples were characterised topographically and mechanically using scanning electron microscopy (SEM), atomic force microscopy (AFM), and uniaxial bending tests. The organic content and the chemical composition were determined using thermogravimetric analysis (TGA) and Fourier-transform infrared spectroscopy (FTIR). X-ray diffraction (XRD) and FTIR were also used to quantitatively determine the specimen crystallinity. Increasing temperature/pressure was associated with decreasing protein levels and compressive strength and increasing surface irregularities and crystallinity. The findings suggest that low-temperature processed bone is likely to exhibit a rapid in vivo degradation rate. The deproteinisation temperature can be adjusted to tailor the graft properties for specific applications.
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Affiliation(s)
- Dina Abdelmoneim
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
- Correspondence:
| | - Gemma Claire Porter
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
| | - Dawn Elizabeth Coates
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
| | - Warwick John Duncan
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
| | - John Neil Waddell
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
| | - Niels Hammer
- Division of Macroscopic and Clinical Anatomy, Gottfried Schatz Research Center, Medical University of Graz, 8010 Graz, Austria;
- Department of Orthopedic and Trauma Surgery, University of Leipzig, 04103 Leipzig, Germany
- Fraunhofer Fraunhofer Institute for Machine Tools and Forming Technology (IWU), Medical Branch, 01187 Dresden, Germany
| | - Kai Chun Li
- Sir John Walsh Research Institute, Faculty of Dentistry, University of Otago, Dunedin 9016, New Zealand; (G.C.P.); (D.E.C.); (W.J.D.); (J.N.W.); (K.C.L.)
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Rhouma F, Gdaiem MA, Belkhiria F, Daoudi M, Bchetnia A, Chtourou R. Structural and optical properties of Bi-and-Pr-doped ZnO. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109298] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Porter GC, Abdelmoneim D, Li KC, Duncan WJ, Coates DE. The Effect of Low-Temperature Thermal Processing on Bovine Hydroxyapatite Bone Substitutes, toward Bone Cell Interaction and Differentiation. MATERIALS 2022; 15:ma15072504. [PMID: 35407837 PMCID: PMC8999525 DOI: 10.3390/ma15072504] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 03/26/2022] [Accepted: 03/26/2022] [Indexed: 12/17/2022]
Abstract
Ideal bone grafting scaffolds are osteoinductive, osteoconductive, and encourage osteogenesis through the remodeling processes of bone resorption, new bone formation, and successful integration or replacement; however, achieving this trifecta remains challenging. Production methods of bone grafts, such as thermal processing, can have significant effects on the degree of cell-surface interactions via wide-scale changes in the material properties. Here, we investigated the effects of small incremental changes at low thermal processing temperatures on the degree of osteoclast and osteoblast attachment, proliferation, and differentiation. Bovine bone scaffolds were prepared at 100, 130, 160, 190, and 220 °C and compared with a commercial control, Bio-Oss®. Osteoclast attachment and activity were significantly higher on lower temperature processed bone and were not present ≥190 °C. The highest osteoblast proliferation and differentiation were obtained from treatments at 130 and 160 °C. Similarly, qRT2-PCR assays highlighted osteoblasts attached to bone processed at 130 and 160 °C as demonstrating the highest osteogenic gene expression. This study demonstrated the significant effects of small-scale processing changes on bone graft materials in vitro, which may translate to a tailored approach of cellular response in vivo.
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18
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Bergslien ET. X-ray diffraction (XRD) evaluation of questioned cremains. Forensic Sci Int 2022; 332:111171. [PMID: 35033962 DOI: 10.1016/j.forsciint.2022.111171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/14/2021] [Accepted: 01/01/2022] [Indexed: 11/18/2022]
Abstract
The practice of cremating human remains is becoming increasingly common around the world, which has also resulted in increased incidents of mishandling, illegal disposal, and fraud. X-ray diffraction (XRD) offers a clear method of differentiating cremated remains from common filler materials, such as cement and wood ash. XRD can also be used to determine if cremated remains have been contaminated, and if so, to what extent. An evaluation of published data and in-house work, however, demonstrates that XRD cannot be used to differentiate human cremains from the processed cremains of other animals. XRD is a powerful analytical technique but must be employed with an understanding of both the limits of the instrumentation and the wide diversity of the human population.
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Affiliation(s)
- E T Bergslien
- Earth Sciences and Science Education, 165 Science and Mathematics Complex, 1300 Elmwood Ave., Buffalo, NY 14222, USA.
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19
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Khlifi N, Mnif S, Ben Nasr F, Fourati N, Zerrouki C, Chehimi MM, Guermazi H, Aifa S, Guermazi S. Non-doped and transition metal-doped CuO nano-powders: structure-physical properties and anti-adhesion activity relationship. RSC Adv 2022; 12:23527-23543. [PMID: 36090396 PMCID: PMC9386445 DOI: 10.1039/d2ra02433k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 07/31/2022] [Indexed: 11/27/2022] Open
Abstract
Bacterial contamination and biofilm formation generate severe problems in many fields. Among these biofilm-forming bacteria, Staphylococcus epidermidis (S. epidermidis) has emerged as a major cause of nosocomial infection (NI). However, with the dramatic rise in resistance toward conventional antibiotics, there is a pressing need for developing effective anti-biofilms. So, fabrication of copper oxide nanoparticles (NPs) is one of the new strategies to combat biofilms. Notably, doped CuO NPs in anti-biofilm therapy have become a hot spot of attention in recent years due to their physicochemical properties. In this context, the present work deals with the investigation of undoped and transition metal (TM)-doped CuO NPs (TM = Zn, Ni, Mn, Fe and Co), synthesized via the co-precipitation method. The synthesized CuO NPs are characterized using X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, field-emission scanning electron microscopy (FE-SEM), energy dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS). Results consistently revealed the successful formation of CuO NPs using the co-precipitation method and confirmed that TM ions are successfully inserted into CuO crystal lattice. We found that doping changes the morphology of the CuO NPs and increases their crystallite size. The XPS results show a non-uniform distribution of the doping concentration, with a depletion or an enrichment of the NP surface depending on the element considered. Furthermore, the anti-adhesive potential of CuO NPs against S. epidermidis S61 biofilm formation is evaluated in this study by crystal violet and fluorescence microscopy assays. All synthesized NPs exhibit considerable anti-adhesive activity against S. epidermidis S61 biofilm. Interestingly, compared to undoped CuO, Fe and Ni-doped oxides show an improved activity when used at high concentrations, whereas Mn-doped CuO is the most efficient at low concentrations. This makes TM-doped CuO a promising candidate to be used in biomedical applications. Bacterial contamination and biofilm formation generate severe problems in many fields.![]()
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Affiliation(s)
- N. Khlifi
- Laboratory of Materials for Energy and Environment, and Modeling (LMEEM), Faculty of Sciences, University of Sfax, B.P: 1171, 3038, Tunisia
- Laboratory of Information and Energy Technology Systems and Applications (SATIE), UMR 8029, CNRS, ENS Paris-Saclay, CNAM, 292 Rue Saint-Martin, 7503 Paris, France
| | - S. Mnif
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, P.O. Box 1177, 3018 Sfax, Tunisia
| | - F. Ben Nasr
- Laboratory of Materials for Energy and Environment, and Modeling (LMEEM), Faculty of Sciences, University of Sfax, B.P: 1171, 3038, Tunisia
| | - N. Fourati
- Laboratory of Information and Energy Technology Systems and Applications (SATIE), UMR 8029, CNRS, ENS Paris-Saclay, CNAM, 292 Rue Saint-Martin, 7503 Paris, France
| | - C. Zerrouki
- Laboratory of Information and Energy Technology Systems and Applications (SATIE), UMR 8029, CNRS, ENS Paris-Saclay, CNAM, 292 Rue Saint-Martin, 7503 Paris, France
| | - M. M. Chehimi
- Université Paris Cité, CNRS, ITODYS (UMR 7086), 75013 Paris, France
| | - H. Guermazi
- Laboratory of Materials for Energy and Environment, and Modeling (LMEEM), Faculty of Sciences, University of Sfax, B.P: 1171, 3038, Tunisia
| | - S. Aifa
- Laboratory of Molecular and Cellular Screening Processes, Centre of Biotechnology of Sfax, P.O. Box 1177, 3018 Sfax, Tunisia
| | - S. Guermazi
- Laboratory of Materials for Energy and Environment, and Modeling (LMEEM), Faculty of Sciences, University of Sfax, B.P: 1171, 3038, Tunisia
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Nino-Barrera J, Sanchez-Aleman J, Acosta-Humanez M, Gamboa-Martinez L, Cortes-Rodriguez C. Shot peening increases resistance to cyclic fatigue fracture of endodontic files. Sci Rep 2021; 11:12961. [PMID: 34155287 PMCID: PMC8217493 DOI: 10.1038/s41598-021-92382-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 06/09/2021] [Indexed: 11/09/2022] Open
Abstract
The objective of this study was to assess the resistance to fatigue fracture of conventional nickel–titanium files after undergoing shot peening. Forty NITIFLEX endodontic files, number 30, were divided into two groups; one was submitted to shot peening treatment and the other was not. All instruments were tested for fatigue fracture in simulated canals with a TRI-AUTO ZX endodontic motor. One file of each group was subjected to a residual stress analysis by XRD. Finally, the fractured surface was observed and elemental analysis performed by means of SEM and EDX. Roughness analysis was made by focal variation microscope. The shot peening group showed greater resistance to fatigue fracture; there was no difference in the length of the fractured fragments. XRD results showed the presence of residual compression stresses in the file submitted to shot peening, a decrease in the interplanar spacing, and an increase in the full-width-at-half-maximum and the microstrains. SEM and EDX showed a ductile fracture with zones of fatigue and an equiatomic ratio between the nickel and titanium. Surface roughness increased after the file was subjected to the shot peening procedure. In conclusion, shot peening increases the resistance to fatigue fracture due to the presence of residual compression stresses in files manufactured from a conventional nickel–titanium alloy.
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Affiliation(s)
- Javier Nino-Barrera
- Faculty of Dentistry, Endodontics Program, Universidad Nacional de Colombia, Building 210, Office 301, Bogotá, Colombia.
| | - Jose Sanchez-Aleman
- Faculty of Dentistry, Endodontics Program, Universidad Nacional de Colombia, Building 210, Office 301, Bogotá, Colombia
| | | | - Luis Gamboa-Martinez
- School of Dentistry, Endodontics Program, Universidad El Bosque, Bogotá, Colombia
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21
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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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Using X-ray diffraction in characterization of bone remodeling and nanocomposites in ovariectomized rats osteopenia model. POLISH JOURNAL OF MEDICAL PHYSICS AND ENGINEERING 2021. [DOI: 10.2478/pjmpe-2021-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Sedentary lifestyle and physiological menopause are among the risk factors of osteopenia, especially in elderly people. However, bone mineral density decrease can also be observed in young individuals, for instance, due to deficiency of female sex hormones after surgical interventions, particularly ovariectomy. Our research enabled us to assess the efficacy of whole-body vibration in preventing the loss of bone mineral density in the ovariectomy rat osteopenia model. Thus, whole-body vibration with acceleration level 0.3 g and frequency 50 Hz was used on young female rats, which had been subjected to ovariectomy (n = 18). It had been conducted for 24 weeks, exposure time – 30 minutes per day, 5 times a week. Assessment of mineral component loss of the tibia was performed by means of X-ray diffraction. Bone remodeling was assessed by determining hormones: parathyroid hormone and calcitonin, Ca and P in the blood. X-ray diffraction is an effective method, which enables the evaluation a nanocomposites structure of the bone tissue in the experiment. In the article, we applied this method to determine the loss of bone mineral mass after ovariectomy and the impact of whole-body vibration under such conditions. In the ovariectomy group, the volume of a mineral component significantly decreased starting already from the 16th week (р<0.05) versus control. However, in the group with ovariectomy + whole-body vibration, the loss of a mineral component was insignificant during 8-16 weeks of the investigation, compared with the control group. On the 24th day, the spectrums almost did not differ from ovariectomized rats group. Meanwhile, hormone levels changed in ovariectomized rats group. It should be emphasized that the aforementioned whole-body vibration parameters do not cause severe bone damage or further negative consequences.
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Impact of Pb doping on structural and magnetic properties of Nd1-xPbxMnO3 (x = 0.1, 0.2, 0.3 & 0.4) compounds. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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24
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Biswas PP, Liang B, Turner-Walker G, Rathod J, Lee YC, Wang CC, Chang CK. Systematic changes of bone hydroxyapatite along a charring temperature gradient: An integrative study with dissolution behavior. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 766:142601. [PMID: 33071118 DOI: 10.1016/j.scitotenv.2020.142601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Revised: 09/05/2020] [Accepted: 09/22/2020] [Indexed: 06/11/2023]
Abstract
The applicability of bone char as a long-term phosphorus nutrient source was assessed by integrating their mineral transformation and physicochemical properties with their dissolution behavior. We have explored synchrotron-based spectroscopic and imaging techniques (FTIR, XRD, and TXM) to investigate the physicochemical changes of bone and bone char along a charring temperature gradient (300-1200 °C) and used a lab incubation experiment to study their dissolution behaviors in solutions of different pH (4, 6, and 6.9). The thermal decomposition of inorganic carbonate (CO32-) and the loss of organic components rendered a crystallographic rearrangement (blueshift of the PO43- peak) and mineral transformation with increasing temperatures. The mineral transformation from B-type to AB- and A-type carbonate substitution occurred mainly at <700 °C, while the transformation from carbonated hydroxyapatite (CHAp) to more mineralogically and chemically stable HAp occurred at >800 °C. The loss of inorganic carbonate and the increase of structural OH- with increasing temperatures explained the change of pH buffering capacity and increase of pH and their dissolution behaviors. The higher peak area ratios of phosphate to carbonate and phosphate to amide I band with increasing temperatures corroborated the higher stability and resistivity to acidic dissolution by bone chars made at higher temperatures. Our findings suggest that bone char made at low to intermediate temperatures can be a substantial source of phosphorus for soil fertility via waste management and recycling. The bone char made at 500 °C exhibited a high pH buffering capacity in acidic and near-neutral solutions. The 700 °C bone char was proposed as a suitable liming agent for raising the soil pH and abating soil acidity. Our study has underpinned the systematic changes of bone char and interlinked the charring effect with their dissolution behavior, providing a scientific base for understanding the applicability of different bone chars as suitable P-fertilizers.
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Affiliation(s)
| | - Biqing Liang
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan.
| | - Gordon Turner-Walker
- Department of Cultural Heritage Conservation, National Yunlin University of Science & Technology, Douliu, Taiwan
| | - Jagat Rathod
- Department of Earth Sciences, National Cheng Kung University, Tainan, Taiwan
| | - Yao-Chang Lee
- Life Science Group, National Synchrotron Radiation Research Center, Hsinchu, Taiwan; Department of Optics and Photonics, National Central University, Chung-Li, Taiwan; Department of Chemistry, National Tsing Hua University, Hsinchu, Taiwan
| | - Chun-Chieh Wang
- X-ray Imaging Group, National Synchrotron Radiation Research Center, Hsinchu, Taiwan
| | - Chung-Kai Chang
- Material Science Group, National Synchrotron Radiation Research Center, Hsinchu, Taiwan
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25
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Magnesium whitlockite - omnipresent in pathological mineralisation of soft tissues but not a significant inorganic constituent of bone. Acta Biomater 2021; 125:72-82. [PMID: 33610767 DOI: 10.1016/j.actbio.2021.02.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Revised: 01/26/2021] [Accepted: 02/12/2021] [Indexed: 01/03/2023]
Abstract
Whitlockite is a calcium phosphate that was first identified in minerals collected from the Palermo Quarry, New Hampshire. The terms magnesium whitlockite [Mg-whitlockite; Ca18Mg2(HPO4)2(PO4)12] and beta-tricalcium phosphate [β-TCP; β-Ca3(PO4)2] are often used interchangeably since Mg-whitlockite is not easily distinguished from β-Ca3(PO4)2 by powder X-ray diffraction although their crystalline structures differ significantly. Being both osteoconductive and bioresorbable, Mg-whitlockite is pursued as a synthetic bone graft substitute. In recent years, advances in development of synthetic Mg-whitlockite have been accompanied by claims that Mg-whitlockite is the second most abundant inorganic constituent of bone, occupying as much as 20-35 wt% of the inorganic fraction. To find evidence in support of this notion, this review presents an exhaustive summary of Mg-whitlockite identification in biological tissues. Mg-whitlockite is mainly found in association with pathological mineralisation of various soft tissues and dental calculus, and occasionally with enamel and dentine. With the exception of high-temperature treated tumoural calcified deposits around interphalangeal and metacarpal joints and rhomboidal Mg-whitlockite crystals in post-apoptotic osteocyte lacunae in human alveolar bone, this unusual mineral has never been detected in the extracellular matrix of mammalian bone. Characterisation techniques capable of unequivocally distinguishing between different calcium phosphate phases, such as high-resolution imaging, crystallography, and/or spectroscopy have exclusively identified bone mineral as poorly crystalline, ion-substituted, carbonated apatite. The idea that Mg-whitlockite is a significant constituent of bone mineral remains unsubstantiated. Contrary to claims that such biomaterials represent a bioinspired/biomimetic approach to bone repair, Mg-whitlockite remains, exclusively, a pathological biomineral. STATEMENT OF SIGNIFICANCE: Magnesium whitlockite (Mg-whitlockite) is a unique calcium phosphate that typically features in pathological calcification of soft tissues; however, an alarming trend emerging in the synthetic bioceramics community claims that Mg-whitlockite occupies 20-35 wt% of bone mineral and therefore synthetic Mg-whitlockite represents a biomimetic approach towards bone regeneration. By providing an overview of Mg-whitlockite detection in biological tissues and scrutinising a diverse cross-section of literature relevant to bone composition analysis, this review concludes that Mg-whitlockite is exclusively a pathological biomineral, and having never been reported in bone extracellular matrix, Mg-whitlockite does not constitute a biomimetic strategy for bone repair.
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26
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Effects of mechanical stimuli on structure and organization of bone nanocomposites in rats with glucocorticoid-induced osteoporosis. Endocr Regul 2021; 55:42-51. [PMID: 33600670 DOI: 10.2478/enr-2021-0006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Objective. Clinical use of glucocorticoids is a frequent cause of secondary osteoporosis, which reduces the mineral density of bones and results in pathological fractures. Mechanical stimulation as non-physiological high-frequency vibration with low acceleration prevents the loss of a crystalline component and stimulates the anabolic remodeling of the bone. The aim of the present research was to assess the impact of mechanical vibration on the bone structure in rats, which received glucocorticoids.Methods. Wistar rats were randomized into three groups: Vehicle control (Veh), Methylprednisolone sodium succinate (Mps), and Mps combined with whole-body vibration (WBV). Rats of Mps+WBV and Mps groups received 3 mg/kg/day of methylprednisolone every other day for 24 weeks and rats of Veh group received 0.9% saline (sodium chloride). The group of rats Mps+WBV was subjected to WBV for 30 minutes per day for five days a week with parameters 0.3 g and frequency 50 Hz. Relative amount of crystalline component and collagen in the bones was determined by X-ray diffraction (XRD) and calcium level - by atomic absorption spectroscopy. Bone tissue metabolism was assessed by determining the concentration of markers, in particular osteocalcin and Tartrate-resistant acid phosphatase (TRAP5b).Results. Glucocorticoids induced a considerable increase in the rats body mass (+13%) and decreased the content of mineral component in the femoral neck (-17%) in Mps group compared with Veh. The process of the bone metabolism was significantly accelerated, which is proven by an increased level of remodeling markers. It should be mentioned that WBV did not allow significant decrease in mineral component of the bone to 16th week of the experiment compared with Mps group, although these parameters did not achieve the indices in the Vehicle control group (-10%). Our investigation allows to suggest that mechanical high-frequency vibration of low intensity can partially inhibit the harmful consequences of glucocorticoids on bone structure in rats. Despite the positive impact of vibration on the bone tissue after Mps introduction in the 8th-16th week, this influence was not statistically reliable in the 24th week of the experiment.Conclusions. The results of our investigation on animal model indicate that non-physiological vertical mechanical vibrations are an effective means to prevent loss of a mineral bone component during treatment with glucocorticoids.
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Mukherjee S, Pramanik S, Das S, Chakraborty S, Mondal S, Ghosh T, Nath R, Kuiri PK. Oriented attachment induced morphology modulation of ZnO nanoparticles at low temperature using KOH as a morphology controller. NEW J CHEM 2021. [DOI: 10.1039/d1nj02248b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Oriented attachment induced shape transition of ZnO nanoparticles from nanosphere to nanorod. The shape of the nanoparticles is controlled by the concentration of KOH.
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Affiliation(s)
- Sumit Mukherjee
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
| | - Subhamay Pramanik
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
| | - Sandip Das
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
| | - Subhabrata Chakraborty
- Indian Institute of Engineering Science and Technology, Howrah, 711103, West Bengal, India
| | - Shyamal Mondal
- Saha Institute of Nuclear Physics, 1/AF Bidhannagar, Kolkata 700064, India
- Fondazione Bruno Kessler, Center for Materials and Microsystems-Micro Nano Facility, Via Sommarive 18, 38123 Trento, Italy
| | - Tatan Ghosh
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
- Department of Physics, Balarampur College, P.O - Rangadih, Purulia, 723143, West Bengal, India
| | - Rajib Nath
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
| | - Probodh K. Kuiri
- Department of Physics, Sidho-Kanho-Birsha University, Ranchi Road, Purulia, 723104, West Bengal, India
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Arnold EL, Keeble DS, Greenwood C, Rogers KD. New insights into the application of pair distribution function studies to biogenic and synthetic hydroxyapatites. Sci Rep 2020; 10:19597. [PMID: 33177578 PMCID: PMC7659341 DOI: 10.1038/s41598-020-73200-2] [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: 07/01/2020] [Accepted: 09/14/2020] [Indexed: 12/03/2022] Open
Abstract
Biogenic and synthetic hydroxyapatites are confounding materials whose properties remain uncertain, even after years of study. Pair distribution function (PDF) analysis was applied to hydroxyapatites in the 1970's and 1980's, but this area of research has not taken full advantage of the relatively recent advances in synchrotron facilities. Here, synchrotron X-ray PDF analysis is compared to techniques commonly used to characterise hydroxyapatite (such as wide angle X-ray scattering, Fourier-transform infrared spectroscopy and thermogravimetric analysis) for a range of biogenic and synthetic hydroxyapatites with a wide range of carbonate substitution. Contributions to the pair distribution function from collagen, carbonate and finite crystallite size were examined through principal component analysis and comparison of PDFs. Noticeable contributions from collagen were observed in biogenic PDFs when compared to synthetic PDFs (namely r < 15 Å), consistent with simulated PDFs of collagen structures. Additionally, changes in local structure were observed for PDFs of synthetic hydroxyapatites with differing carbonate content, notably in features near 4 Å, 8 Å and 19 Å. Regression models were generated to predict carbonate substitution from peak position within the PDFs.
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Affiliation(s)
- Emily L Arnold
- Cranfield Forensic Institute, Cranfield University, Shrivenham, SN6 8LA, UK.
| | | | - Charlene Greenwood
- School of Chemical and Physical Sciences, Keele University, Keele, ST5 5BJ, UK
| | - Keith D Rogers
- Cranfield Forensic Institute, Cranfield University, Shrivenham, SN6 8LA, UK
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Ferreira MT, Coelho C, Makhoul C, Navega D, Gonçalves D, Cunha E, Curate F. New data about the 21st Century Identified Skeletal Collection (University of Coimbra, Portugal). Int J Legal Med 2020; 135:1087-1094. [PMID: 32857278 DOI: 10.1007/s00414-020-02399-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Accepted: 08/10/2020] [Indexed: 11/30/2022]
Abstract
After the publication of the first article in 2014, 21st Century Identified Skeletal Collection, housed in the Laboratory of Forensic Anthropology, Department of Life Sciences at the University of Coimbra, Portugal, has been growing. Currently, the collection is composed of 302 complete adult skeletons of both sexes, which means that in 5 years it has doubled. The collection consists mostly of elderly individuals, with only 12.25% of the individuals aged less than 61 years old. All individuals are Portuguese nationals who died between 1982 and 2012. Ninety individuals exhibit prostheses, other medical devices and signs of surgical procedures. Moreover, a sub-collection of experimentally burned skeletons is under development, and currently includes 56 individuals (18.54% of the collection). The 21st Century Identified Skeletal Collection constitutes a fundamental tool for forensic anthropology research, including the development and validation studies of methods that focus on elderly individuals, as can be ascertained by the numerous scientific publications and academic scholarship that have been produced in previous years.
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Affiliation(s)
- Maria Teresa Ferreira
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal. .,Departamento de Ciências da Vida, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal. .,Research Centre for Anthropology and Health, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.
| | - Catarina Coelho
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - Calil Makhoul
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.,Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Coimbra, Portugal
| | - David Navega
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
| | - David Gonçalves
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.,Departamento de Ciências da Vida, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.,Archaeosciences Laboratory (LARC/CIBIO/InBIO), Lisbon, Portugal
| | - Eugénia Cunha
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.,Instituto Nacional de Medicina Legal e Ciências Forenses, IP., Coimbra, Portugal
| | - Francisco Curate
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal.,Departamento de Ciências da Vida, Calçada Martim de Freitas, 3000-456, Coimbra, Portugal
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Murab S, Gruber SM, Lin CYJ, Whitlock P. Elucidation of bio-inspired hydroxyapatie crystallization on oxygen-plasma modified 3D printed poly-caprolactone scaffolds. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2020; 109:110529. [DOI: 10.1016/j.msec.2019.110529] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 11/18/2019] [Accepted: 12/05/2019] [Indexed: 12/28/2022]
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Pilliadugula R, Nithya C, Gopala Krishnan N. Influence of Ga 2O 3, CuGa 2O 4 and Cu 4O 3 phases on the sodium-ion storage behaviour of CuO and its gallium composites. NANOSCALE ADVANCES 2020; 2:1269-1281. [PMID: 36133059 PMCID: PMC9418470 DOI: 10.1039/c9na00773c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Accepted: 02/13/2020] [Indexed: 06/16/2023]
Abstract
CuO and its gallium composites with various compositions are successfully fabricated by using a hydrothermal technique followed by calcination at 900 °C. The added Ga precursors formed oxides in the composites, such as Ga2O3, CuGa2O4 and Cu4O3, as confirmed through the X-ray diffraction patterns as well as the HRTEM and SAED patterns. Further HRTEM analysis also confirmed that Cu4O3 and CuGa2O4 phases reside on the surface of CuO in the composites with a CuO : Ga ratio of 90 : 10. The contents of various oxide phases varied when we increased the amount of Ga in the CuO composites. Changing the ratios of CuO and Ga precursors in the composites is quite effective in tailoring the sodium-ion storage behaviour of CuO. The resultant CuO/Ga composites exhibit remarkable electrochemical performance for sodium-ion batteries in terms of capacity, rate capability and cycling performance. The composite containing 90% CuO and 10% Cu/Ga oxides delivers the highest charge capacity of 661 mA h g-1 at a current density of 0.07 A g-1 with a capacity retention of 73.1% even after 500 cycles. The structure and morphology of the composite (90% CuO and 10% Cu/Ga oxides) was successfully retained after 500 cycles, which was confirmed through ex situ XRD, SEM and HRTEM analyses. The composite also exhibited remarkable rate capability in which it delivered 96 mA h g-1 even at a high current density of 6.6 A g-1. The enhanced electrochemical performances of CuO and its gallium composites are attributed to the presence of Cu4O3 and CuGa2O4 phases. The Cu4O3 phase is actively involved in the redox reaction and the CuGa2O4 phase stabilizes the CuO phase and buffers the volume expansion of CuO during cycling. The present approach eplores great opportunities for improving the electrochemical performance of oxide based anode materials for sodium-ion batteries.
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Affiliation(s)
- Rekha Pilliadugula
- Department of Physics, National Institute of Technology Tiruchirappall-620015 Tamil Nadu India +431-2503607
| | - Chandrasekaran Nithya
- Department of Chemistry, PSGR Krishnammal College for Women Peelamedu Coimbatore-641004 Tamil Nadu India
| | - N Gopala Krishnan
- Department of Physics, National Institute of Technology Tiruchirappall-620015 Tamil Nadu India +431-2503607
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Medellín-Castillo NA, Cruz-Briano SA, Leyva-Ramos R, Moreno-Piraján JC, Torres-Dosal A, Giraldo-Gutiérrez L, Labrada-Delgado GJ, Pérez RO, Rodriguez-Estupiñan JP, Reyes Lopez SY, Berber Mendoza MS. Use of bone char prepared from an invasive species, pleco fish (Pterygoplichthys spp.), to remove fluoride and Cadmium(II) in water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 256:109956. [PMID: 31818750 DOI: 10.1016/j.jenvman.2019.109956] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 11/12/2019] [Accepted: 12/02/2019] [Indexed: 06/10/2023]
Abstract
In this study, bone char (BC) from pleco fish (Pterygoplichthys spp.) was synthesized, and their textural and physicochemical properties, as well as its adsorption capacity towards fluoride and Cd(II) from single and binary aqueous solutions, were determined. The results showed that the properties of the BCs were independent of the type of bone used and the surface areas were close to 110 m2 g-1. The effect of solution pH revealed that the adsorption capacity of BC towards fluoride from water raised by decreasing the solution pH. This trend was attributed to the electrostatic interaction between the positively charged surface and the fluoride in aqueous solution. On the contrary, the capacity of BC for adsorbing Cd(II) was enhanced by increasing the solution pH, indicating that electrostatic interactions were also essential but with a contrary effect in comparison with fluoride adsorption due to the negatively charged surface at pH above the point zero charge (pHPZC = 8.16). The experimental data for binary adsorption of fluoride and Cd(II) were interpreted satisfactorily using the modified Freundlich multicomponent isotherm (EFMI), and the experimental data revealed that Cd(II) have an antagonistic effect on the adsorption of fluoride, whereas the presence of fluoride does not affect the capacity of BC for adsorbing Cd(II). Thermogravimetric, XRD diffraction and IR spectroscopy analysis corroborated that the adsorption of fluoride in BC is due to electrostatic attractions, ion exchange or chemisorption and physisorption. Besides, the removal of Cd(II) occurs by physical adsorption and ion exchange. It was concluded that BC is an alternative material for the removal of fluoride and Cd(II) from aqueous solutions, and it is a possible application for using the bones of this invasive fish species.
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Affiliation(s)
- Nahum Andres Medellín-Castillo
- Centro de Investigacion y Estudios de Posgrado, Facultad de Ingeniería, Universidad Autónoma de San Luis Potosi, San Luis Potosí, S.L.P., 78290, Mexico.
| | - Sergio Armando Cruz-Briano
- Centro de Investigacion y Estudios de Posgrado, Facultad de Ingeniería, Universidad Autónoma de San Luis Potosi, San Luis Potosí, S.L.P., 78290, Mexico
| | - Roberto Leyva-Ramos
- Centro de Investigacion y Estudios de Posgrado, Facultad de Ciencias Quimicas, Universidad Autonoma de San Luis Potosi, San Luis Potosi, S.L.P., 78260, Mexico
| | - Juan Carlos Moreno-Piraján
- Grupo de Investigacion en Solidos Porosos y Calorimetria. Departamento de Quimica, Facultad de Ciencias, Universidad de los Andes, Bogota, Colombia
| | - Arturo Torres-Dosal
- El Colegio de la Frontera Sur, Unidad San Cristobal de Las Casas, Carretera Panamericana y Periferico Sur s/n, Barrio Maria Auxiliadora, Chiapas, 29290, Mexico
| | | | | | - Raul Ocampo Pérez
- Centro de Investigacion y Estudios de Posgrado, Facultad de Ciencias Quimicas, Universidad Autonoma de San Luis Potosi, San Luis Potosi, S.L.P., 78260, Mexico
| | - Jenny Paola Rodriguez-Estupiñan
- Grupo de Investigacion en Solidos Porosos y Calorimetria. Departamento de Quimica, Facultad de Ciencias, Universidad de los Andes, Bogota, Colombia
| | - Simon Yobanny Reyes Lopez
- Instituto de Ciencias Biomedicas, Universidad Autonoma de Ciudad Juarez, Cd. Juarez, Chihuahua, 32300, Mexico
| | - María Selene Berber Mendoza
- Centro de Investigacion y Estudios de Posgrado, Facultad de Ingeniería, Universidad Autónoma de San Luis Potosi, San Luis Potosí, S.L.P., 78290, Mexico
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Tang L, Shen Z, Duan X, Wang Z, Wu Y, Shao X, Song X, Hu S, Li Z. Evaluating the potential of charred bone as P hotspot assisted by phosphate-solubilizing bacteria. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 696:133965. [PMID: 31461692 DOI: 10.1016/j.scitotenv.2019.133965] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 08/01/2019] [Accepted: 08/17/2019] [Indexed: 06/10/2023]
Abstract
The enhanced phosphorus (P) release from charred bone by microorganisms results in hotspots to alleviate P limitation in agricultural and natural systems. This study compared P release, assisted by phosphate-solubilizing bacteria (PSB), from charred bone (CB) produced at various temperatures (100-300 °C). In the absence of PSB, soluble P from CB in water was observed with fluctuation between 100 and 300 °C, with a maximum value of 8.66 mg/L at 200 °C. Similarly, kinetics of dissolution indicated that CB produced at 250 °C owned the highest solubility and dissolution rate. After the addition of PSB, soluble P from all the CB samples were all elevated. The CB produced at 100 °C incredibly showed the most significant enhancement (from 3.51 to 77.37 mg /L). ATR-IR and XPS confirmed the loss of organic matter (primarily collagen), but no significant mineralogical alternation of bioapatite in bone. Meanwhile, it demonstrated that collagen itself cannot provide soluble P. However, the collagen contributed to the substantial sorption of bacteria, which improved the efficiency of P release from CB surface. This study clarified the P release via the interaction between CB and PSB, and hence provided a new perspective on understanding P biogeochemical cycle in ecosystem.
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Affiliation(s)
- Lingyi Tang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China; Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhengtao Shen
- Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton T6G 2E3, Canada
| | - Xiaofang Duan
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Zhijun Wang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Yuanyi Wu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China; Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoqing Shao
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Xinwei Song
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Shuijin Hu
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China
| | - Zhen Li
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing, Jiangsu 210095, China; Jiangsu Provincial Key Lab for Organic Solid Waste Utilization, Nanjing Agricultural University, Nanjing 210095, China.
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REYES‐GASGA JOSÉ, BECERRIL NANCYVARGAS. Electron microscopy analysis of the thermal phase transition from hydroxyapatita to β‐TCP observed in human teeth. J Microsc 2019; 276:89-97. [DOI: 10.1111/jmi.12839] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 10/17/2019] [Accepted: 10/24/2019] [Indexed: 11/29/2022]
Affiliation(s)
- JOSÉ REYES‐GASGA
- Instituto de FísicaUNAM Circuito de la Investigación s/n, Ciudad Universitaria México City México
| | - NANCY VARGAS BECERRIL
- Instituto de FísicaUNAM Circuito de la Investigación s/n, Ciudad Universitaria México City México
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35
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Ultrathin tunable conducting oxide films for near-IR applications: an introduction to spectroscopy shape theory. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-1569-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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Wang J, Qu Y, Chen C, Sun J, Pan H, Shao C, Tang R, Gu X. Fabrication of collagen membranes with different intrafibrillar mineralization degree as a potential use for GBR. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 104:109959. [DOI: 10.1016/j.msec.2019.109959] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2018] [Revised: 04/02/2019] [Accepted: 07/05/2019] [Indexed: 11/30/2022]
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Kim JM, Choi SH. Osteogenic Evaluation of Goose-beak Bones According to Processing Temperature. In Vivo 2019; 33:419-424. [PMID: 30804120 DOI: 10.21873/invivo.11489] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 01/21/2019] [Accepted: 01/23/2019] [Indexed: 11/10/2022]
Abstract
BACKGROUND/AIM As an alternative material to autogenous bone, goose-beak bone particles (GBP) have been attracting great attention as a bone substitute due to their biological properties. This study was performed to assess bone generation using GBP in calvarial defects in a rat model. The study focus was the osteogenic potential of goose-beak bone at different processing temperatures. MATERIALS AND METHODS There were three experimental groups: Control group (critical defect only), low-temperature (LT) group (filled with GBP heat-treated for 20 h at 400°C), and high-temperature (HT) group (filled with GBP heat-treated for 3 h at 1,200°C). RESULTS The Ca/P atomic ratio of the goose-beak bone was 1.63, and the bones had a bony structure with open pores and interconnected rod-like struts. Micro-computed tomographic analysis revealed the quantity of new bone formation of the HT group was higher than that of the LT group. At 12 weeks after GBP insertion, new bone formation was significantly higher (p<0.05) in the HT group, and there were more new osteocytes in the lacuna in the HT group than in the LT group. Thus, GBP treated at a high temperature formed more new bone than that treated at a low temperature. CONCLUSION It can be concluded that HT-treated GBP is a graft material that can be effective in promoting bone formation.
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Affiliation(s)
- Jong Min Kim
- Xenotransplantation Research Center, Seoul National University, Seoul, Republic of Korea
| | - Seok Hwa Choi
- Department of Veterinary Surgery, College of Veterinary Medicine, Chungbuk National University, Cheongju, Republic of Korea
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Mamede AP, Marques MPM, Vassalo AR, Cunha E, Gonçalves D, Parker SF, Kockelmann W, Batista de Carvalho LAE. Human bone probed by neutron diffraction: the burning process. RSC Adv 2019; 9:36640-36648. [PMID: 35539083 PMCID: PMC9075133 DOI: 10.1039/c9ra07728f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 11/01/2019] [Indexed: 11/21/2022] Open
Abstract
The first neutron diffraction study of human burned bone – for understanding heat-induced changes, relevant for archaeology, biomaterials and forensic science.
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Affiliation(s)
- A. P. Mamede
- Molecular Physical Chemistry R&D Unit
- Department of Chemistry
- University of Coimbra
- 3004-535 Coimbra
- Portugal
| | - M. P. M. Marques
- Molecular Physical Chemistry R&D Unit
- Department of Chemistry
- University of Coimbra
- 3004-535 Coimbra
- Portugal
| | - A. R. Vassalo
- Molecular Physical Chemistry R&D Unit
- Department of Chemistry
- University of Coimbra
- 3004-535 Coimbra
- Portugal
| | - E. Cunha
- Department of Life Sciences
- University of Coimbra
- 3004-535 Coimbra
- Portugal
- Lab. Forensic Anthropology
| | - D. Gonçalves
- Lab. Forensic Anthropology
- Centre for Functional Ecology
- University of Coimbra
- 3004-535 Coimbra
- Portugal
| | - S. F. Parker
- ISIS Facility
- STFC Rutherford Appleton Laboratory
- Didcot
- UK
| | - W. Kockelmann
- ISIS Facility
- STFC Rutherford Appleton Laboratory
- Didcot
- UK
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Danilchenko SN, Kalinkevich AN, Moskalenko RA, Kuznetsov VN, Kochenko AV, Husak EV, Starikov VV, Liu F, Meng J, Lü J. Structural and crystal-chemical characteristics of the apatite deposits from human aortic walls. Interv Med Appl Sci 2018; 10:110-119. [PMID: 30363347 PMCID: PMC6167619 DOI: 10.1556/1646.10.2018.24] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Thermal behavior of biological apatite is the object of several studies. Crystal size, carbonate content, phase composition, and other parameters change during annealing up to 900 °C in biological minerals with apatite structure. The way these parameters change reflects the specific properties of the initial bioapatite. This work presents data on thermal transformations of pathological bioapatite from the human cardiovascular system, namely aortic wall deposits. Some minor elements, foreign to calcium hydroxyapatite (e.g., Na and Mg), can be both incorporated in the apatite structure and localized in the surface layers of crystals, modifying functions of the mineral. A new approach was proposed to determine the predominant location of minor elements, such as Mg, Na, and K, in the mineral of pathological deposits. Mg and Na in pathological apatite can be in both structurally bound (substituting calcium in lattice) and labile (localized on the crystal surface) states, while K is not able to join the apatite structure in significant amount or be chemically bound to it. This approach, based on atomic spectrometry, can be used effectively in combination with a set of traditional techniques, such as like EDS, IRS, and XRD.
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Affiliation(s)
| | | | | | | | | | - Evgenia V Husak
- Institute for Applied Physics, NAS of Ukraine, Sumy, Ukraine.,Medical Institute of Sumy State University, Sumy, Ukraine
| | - Vadim V Starikov
- Department of Metal Physics, National Technical University "Kharkov Polytechnic Institute", Kharkov, Ukraine
| | - Fuyan Liu
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Junhu Meng
- Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, P. R. China
| | - Jinjun Lü
- Key Laboratory of Synthetic and Natural Functional Molecular Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, China
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Plazanet M, Tasseva J, Bartolini P, Taschin A, Torre R, Combes C, Rey C, Di Michele A, Verezhak M, Gourrier A. Time-domain THz spectroscopy of the characteristics of hydroxyapatite provides a signature of heating in bone tissue. PLoS One 2018; 13:e0201745. [PMID: 30138314 PMCID: PMC6107136 DOI: 10.1371/journal.pone.0201745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 07/20/2018] [Indexed: 11/19/2022] Open
Abstract
Because of the importance of bone in the biomedical, forensic and archaeological contexts, new investigation techniques are constantly required to better characterize bone ultrastructure. In the present paper, we provide an extended investigation of the vibrational features of bone tissue in the 0.1-3 THz frequency range by time-domain THz spectroscopy. Their assignment is supported by a combination of X-ray diffraction and DFT-normal modes calculations. We investigate the effect of heating on bone tissue and synthetic calcium-phosphates compounds with close structure and composition to bone mineral, including stoichiometric and non-stoichiometric hydroxyapatite (HA), tricalcium phosphate, calcium pyrophosphate and tetracalcium phosphate. We thus demonstrate that the narrow vibrational mode at 2.1 THz in bone samples exposed to thermal treatment above 750 °C arises from a lattice mode of stoichiometric HA. This feature is also observed in the other synthetic compounds, although weaker or broader, but is completely smeared out in the non-stoichiometric HA, close to natural bone mineral composition, or in synthetic poorly crystalline HA powder. The THz spectral range therefore provides a clear signature of the crystalline state of the investigated bone tissue and could, therefore be used to monitor or identify structural transitions occurring in bone upon heating.
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Affiliation(s)
- Marie Plazanet
- Univ. Grenoble Alpes, CNRS, LIPhy, Grenoble, France
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia, Perugia, Italy
- * E-mail: (MP); (AG)
| | - Jordanka Tasseva
- European Laboratory for Non-Linear Spectroscopy (LENS) and Dip. di Fisica ed Astronomia, Università di Firenze, Sesto Fiorentino, Italy
| | - Paolo Bartolini
- European Laboratory for Non-Linear Spectroscopy (LENS) and Dip. di Fisica ed Astronomia, Università di Firenze, Sesto Fiorentino, Italy
| | - Andrea Taschin
- European Laboratory for Non-Linear Spectroscopy (LENS) and Dip. di Fisica ed Astronomia, Università di Firenze, Sesto Fiorentino, Italy
| | - Renato Torre
- European Laboratory for Non-Linear Spectroscopy (LENS) and Dip. di Fisica ed Astronomia, Università di Firenze, Sesto Fiorentino, Italy
| | - Christèle Combes
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | - Christian Rey
- CIRIMAT, Université de Toulouse, CNRS, INPT-ENSIACET, Toulouse, France
| | - Alessandro Di Michele
- Dipartimento di Fisica e Geologia, Università degli Studi di Perugia, Perugia, Italy
| | | | - Aurelien Gourrier
- Univ. Grenoble Alpes, CNRS, LIPhy, Grenoble, France
- * E-mail: (MP); (AG)
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Xu Z, Zhao R, Huang X, Wang X, Tang S. Fabrication and biocompatibility of agarose acetate nanofibrous membrane by electrospinning. Carbohydr Polym 2018; 197:237-245. [PMID: 30007609 DOI: 10.1016/j.carbpol.2018.06.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/26/2018] [Accepted: 06/02/2018] [Indexed: 10/14/2022]
Abstract
In the present paper, agarose acetate (AGA) nanofibrous membranes containing different weight percentages of β-tricalcium phosphate (β-TCP) were successfully developed through electrospinning. The fibers in the nanofibrous membranes had a rough surface due to the β-TCP particles which were uniformly dispersed within or on the surface of AGA fibers. Rat-bone marrow-derived mesenchymal stem cells (rBMSCs) were cultured on the AGA based nanofibrous membranes while showed a good adhesion and proliferation. It was found that more rBMSCs were differentiated to osteoblast-like cells on the β-TCP containing nanofibrous membranes compared with the single AGA membrane, and more alkaline phosphatase (ALP) and mineralized matrix could be detected when rBMSCs were cultured on the β-TCP containing nanofibrous membranes. The nanofibrous membranes were implanted into Sprague-Dawley (SD) rats for biocompatibility test. Gross examination and histological analysis of the AGA based nanofibrous membranes results showed that there was less inflammatory response. All of experimental results suggested that the AGA based nanofibrous membranes had the great potential application in bone tissue engineering.
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Affiliation(s)
- Zunkai Xu
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Ruifang Zhao
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Xiuying Huang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Xiaoying Wang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China
| | - Shunqing Tang
- Biomedical Engineering Institute, Jinan University, Guangzhou 510632, China.
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Ultrafine heat-induced structural perturbations of bone mineral at the individual nanocrystal level. Acta Biomater 2018; 73:500-508. [PMID: 29649638 DOI: 10.1016/j.actbio.2018.04.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Revised: 03/27/2018] [Accepted: 04/02/2018] [Indexed: 02/06/2023]
Abstract
The nanoscale characteristics of the mineral phase in bone tissue such as nanocrystal size, organization, structure and composition have been identified as potential markers of bone quality. However, such characterization remains challenging since it requires combining structural analysis and imaging modalities with nanoscale precision. In this paper, we report the first application of automated crystal orientation mapping using transmission electron microscopy (ACOM-TEM) to the structural analysis of bone mineral at the individual nanocrystal level. By controlling the nanocrystal growth of a cortical bovine bone model artificially heated up to 1000 °C, we highlight the potential of this technique. We thus show that the combination of sample mapping by scanning and the crystallographic information derived from the collected electron diffraction patterns provides a more rigorous analysis of the mineral nanostructure than standard TEM. In particular, we demonstrate that nanocrystal orientation maps yield valuable information for dimensional analysis. Furthermore, we show that ACOM-TEM has sufficient sensitivity to distinguish between phases with close crystal structures and we address unresolved questions regarding the existence of a hexagonal to monoclinic phase transition induced by heating. This first study therefore opens new perspectives in bone characterization at the nanoscale, a daunting challenge in the biomedical and archaeological fields, which could also prove particularly useful to study the mineral characteristics of tissue grown at the interface with biomaterials implants. STATEMENT OF SIGNIFICANCE In this paper, we propose a new approach to assess the mineral properties of bone at the individual nanocrystal level, a major challenge for decades. We use a modified Transmission Electron Microscopy acquisition mode to perform an Automated Crystal Orientation Mapping (ACOM-TEM) by analyzing electron diffraction patterns. We tune the mineral nanocrystal size by heating a model bovine bone system and show that this method allows precisely assessing the mineral nanocrystal size, orientation and crystallographic phase. ACOM-TEM therefore has sufficient sensitivity to solve problems that couldn't be answered using X-ray diffraction. We thus revisit the fine mechanisms of bone nanocrystal growth upon heating, a process currently used for bone graft manufacturing, also of practical interest for forensic science and archaeology.
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Khatoon UT, Rao GVSN, Mantravadi KM, Oztekin Y. Strategies to synthesize various nanostructures of silver and their applications - a review. RSC Adv 2018; 8:19739-19753. [PMID: 35541008 PMCID: PMC9080782 DOI: 10.1039/c8ra00440d] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 04/30/2018] [Indexed: 11/29/2022] Open
Abstract
Due to their various beneficial application-based properties, such as behavior, structure, and size, the synthesis of silver nanoparticles (Ag-NPs) with different structures has become an interesting yet common task for researchers to produce nanostructures for applications in various fields. This is because silver nanoparticles have interesting and unique properties, such as optical and catalytic, resulting from their different structures and sizes. These properties extend the use of nanostructures in various fields of research, especially in medicine, pharmacy, electronics, etc. Also, variations in their parameters affect the structures and sizes of Ag-NPs. This review provides an overview/brief presentation of various methodologies used to synthesize different application-based silver nanoparticles and lists areas where these nanoparticles are suitable for use according to their specific structures and sizes.
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Affiliation(s)
- Umme Thahira Khatoon
- Department of Metallurgical and Materials Engineering, National Institute of Technology Warangal Telangana State India
| | - G V S Nageswara Rao
- Department of Metallurgical and Materials Engineering, National Institute of Technology Warangal Telangana State India
| | - Krishna Mohan Mantravadi
- Department of Metallurgical and Materials Engineering, National Institute of Technology Warangal Telangana State India
| | - Yasemin Oztekin
- Department of Chemistry, Faculty of Science, Selcuk University Konya Turkey
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Kohobhange S, Manoratne C, Pitawala H, Rajapakse R. The effect of prolonged milling time on comminution of quartz. POWDER TECHNOL 2018. [DOI: 10.1016/j.powtec.2018.02.033] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Gonçalves D, Vassalo AR, Mamede AP, Makhoul C, Piga G, Cunha E, Marques MPM, Batista de Carvalho LAE. Crystal clear: Vibrational spectroscopy reveals intrabone, intraskeleton, and interskeleton variation in human bones. AMERICAN JOURNAL OF PHYSICAL ANTHROPOLOGY 2018; 166:296-312. [DOI: 10.1002/ajpa.23430] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/21/2018] [Accepted: 01/22/2018] [Indexed: 11/06/2022]
Affiliation(s)
- D. Gonçalves
- Archaeosciences LaboratoryDirectorate General for Cultural Heritage (LARC/CIBIO/InBIO), Rua da Bica do Marquês 2Lisboa1300‐087 Portugal
- Research Centre for Anthropology and Health (CIAS), Department of Life SciencesUniversity of Coimbra. Calçada Martim FreitasCoimbra3000‐456 Portugal
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life SciencesUniversity of Coimbra, Calçada Martim FreitasCoimbra3000‐456 Portugal
| | - A. R. Vassalo
- Research Centre for Anthropology and Health (CIAS), Department of Life SciencesUniversity of Coimbra. Calçada Martim FreitasCoimbra3000‐456 Portugal
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life SciencesUniversity of Coimbra, Calçada Martim FreitasCoimbra3000‐456 Portugal
| | - A. P. Mamede
- Unidade de I&D “Química‐Física Molecular”, Department of ChemistryUniversity of CoimbraCoimbra3004‐535 Portugal
| | - C. Makhoul
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life SciencesUniversity of Coimbra, Calçada Martim FreitasCoimbra3000‐456 Portugal
- Unidade de I&D “Química‐Física Molecular”, Department of ChemistryUniversity of CoimbraCoimbra3004‐535 Portugal
| | - G. Piga
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life SciencesUniversity of Coimbra, Calçada Martim FreitasCoimbra3000‐456 Portugal
| | - E. Cunha
- Laboratory of Forensic Anthropology, Centre for Functional Ecology, Department of Life SciencesUniversity of Coimbra, Calçada Martim FreitasCoimbra3000‐456 Portugal
| | - M. P. M. Marques
- Unidade de I&D “Química‐Física Molecular”, Department of ChemistryUniversity of CoimbraCoimbra3004‐535 Portugal
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Ahsan R, Mitra A, Omar S, Rahman Khan MZ, Basith MA. Sol–gel synthesis of DyCrO3 and 10% Fe-doped DyCrO3 nanoparticles with enhanced photocatalytic hydrogen production abilities. RSC Adv 2018; 8:14258-14267. [PMID: 35540784 PMCID: PMC9079860 DOI: 10.1039/c8ra01585f] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 03/22/2018] [Indexed: 11/23/2022] Open
Abstract
DyCrO3 and 10% Fe-doped DyCrO3 nanoparticles have been synthesized using a sol–gel method to investigate their performance in photocatalytic hydrogen production from water. The synthesized nanoparticles have been characterized by performing X-ray diffraction, energy dispersive X-ray spectroscopy and UV-visible spectrophotometric measurements. In addition, field emission scanning electron microscopy has been performed to observe their size and shape. The Fe-doped DyCrO3 nanoparticles show a significantly smaller band gap of 2.45 eV compared to the band gap of 2.82 eV shown by the DyCrO3 nanoparticles. The Fe-doped DyCrO3 nanoparticles show better photocatalytic activity in the degradation of rhodamine B (RhB) compared to the photocatalytic activity shown by both the DyCrO3 and Degussa P25 titania nanoparticles. The recycling and reuse of Fe-doped DyCrO3 four times for the photo-degradation of RhB shows that Fe-doped DyCrO3 is a stable and reusable photocatalyst. To evaluate the extent of the photocatalytic hydrogen production ability of the synthesized nanoparticles, a theoretical model has been developed to determine their “absorptance”, a measure of the ability to absorb photons. Finally, 10% Fe-doped DyCrO3 proves itself to be an efficient photocatalyst as it demonstrated three times greater hydrogen production than Degussa P25. DyFe0.1Cr0.9O3 nanoparticles calcined at 700 °C demonstrate superior photocatalytic ability compared to that of DyCrO3 nanoparticles calcined at the same temperature.![]()
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Affiliation(s)
- Ragib Ahsan
- Department of Electrical and Electronic Engineering
- Bangladesh University of Engineering and Technology
- Dhaka-1205
- Bangladesh
- Department of Physics
| | - Avijit Mitra
- Department of Electrical and Electronic Engineering
- Bangladesh University of Engineering and Technology
- Dhaka-1205
- Bangladesh
- Department of Physics
| | - Saleh Omar
- Department of Electrical and Electronic Engineering
- Bangladesh University of Engineering and Technology
- Dhaka-1205
- Bangladesh
- Department of Physics
| | - Md. Ziaur Rahman Khan
- Department of Electrical and Electronic Engineering
- Bangladesh University of Engineering and Technology
- Dhaka-1205
- Bangladesh
| | - M. A. Basith
- Department of Physics
- Bangladesh University of Engineering and Technology
- Dhaka-1000
- Bangladesh
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Umaralikhan L, Jamal Mohamed Jaffar M. X-ray Broadening and Optical Properties of NiO Nanoparticles Prepared via Co-precipitation Method by Varying Temperature. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY, TRANSACTIONS A: SCIENCE 2017. [DOI: 10.1007/s40995-017-0368-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Sreeju N, Rufus A, Philip D. Studies on catalytic degradation of organic pollutants and anti-bacterial property using biosynthesized CuO nanostructures. J Mol Liq 2017. [DOI: 10.1016/j.molliq.2017.07.077] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Goldberg P, Miller CE, Mentzer SM. Recognizing Fire in the Paleolithic Archaeological Record. CURRENT ANTHROPOLOGY 2017. [DOI: 10.1086/692729] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Santos D, Correia CO, Silva DM, Gomes PS, Fernandes MH, Santos JD, Sencadas V. Incorporation of glass-reinforced hydroxyapatite microparticles into poly(lactic acid) electrospun fibre mats for biomedical applications. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 75:1184-1190. [DOI: 10.1016/j.msec.2017.03.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Revised: 12/22/2016] [Accepted: 03/01/2017] [Indexed: 10/20/2022]
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