Relevant bibliographies by topics / Hydroxyapatite

Academic literature on the topic 'Hydroxyapatite'

Author: Grafiati
Published: 4 June 2021
Last updated: 30 July 2024

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Journal articles on the topic "Hydroxyapatite"

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Sokol, K. I., and D. V. Rokhmistrov. "Feature of electric resistance dependence on temperature for hydroxyapatite." Low Temperature Physics 49, no. 4 (April 2023): 453–56. http://dx.doi.org/10.1063/10.0017587.

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Electrical resistance of hydroxyapatites in an interval from room temperature to 1200 °C have been studied. It is shown that the resistance of hydroxyapatite depends sufficiently from the impurities. To identify the impurities, XRD, IR, MS measurements were carried out. It was established that the electrical resistance of hydroxyapatite is related to the water content in the samples, nitrous substances and carbonate ions located inside of hydroxyapatite crystal lattice. Energy activation of electrical conductivity in hydroxyapatite is calculated.
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Eremina, Natalya V., Svetlana V. Makarova, Denis D. Isaev, and Natalya V. Bulina. "Soft mechanochemical synthesis and thermal stability of hydroxyapatites with different types of substitution." Chimica Techno Acta 9, no. 3 (July 26, 2022): 20229305. http://dx.doi.org/10.15826/chimtech.2022.9.3.05.

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The feasibility of soft mechanochemical synthesis was studied here for hydroxyapatite with various types of substitution. It was shown that this method allows obtaining hydroxyapatites substituted with copper or iron cations and hydroxyapatites cosubstituted with zinc cations and silicate groups. Thermal stability of the synthesized samples was evaluated. It was found that to preserve phase homogeneity of the material, the temperature during the preparation of ceramic products and coatings should not exceed 600–800 °C. An exception is the hydroxyapatite where a hydroxyl group is expected to be replaced by a copper cation during the synthesis at a degree of substitution x = 0.5. For this sample, the temperature of the the heat treatment can be increased to 1100–1200 °C because copper cations return to the hydroxyapatite crystal lattice at these temperatures, and the material becomes single-phase.
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Conz, Marcio Baltazar, José Mauro Granjeiro, and Gloria de Almeida Soares. "Physicochemical characterization of six commercial hydroxyapatites for medical-dental applicatons as bone graft." Journal of Applied Oral Science 13, no. 2 (June 2005): 136–40. http://dx.doi.org/10.1590/s1678-77572005000200008.

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The aim of this work was to characterize six hydroxyapatites in granular form for applications in medicine and dentistry as bone graft and to compare with manufacturers' specification. These samples were produced by four different manufacturers, and all of them are easily available in the Brazilian market. Physicochemical characterization was carried out by using electron microscopy (SEM), X-ray diffraction (XRD), infrared spectroscopy (FTIR) and surface area (BET) measurements. The results show that just one hydroxyapatite sample exhibited characterisitics in perfect agreement with the manufacturers' specifications. The studied parameters, namely crystallinity, surface area and composition may be used to estimate hydroxyapatite's biodegradability and as a criterion for quality control.
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Iconaru, Simona, Mikael Motelica-Heino, Régis Guegan, Mihai Predoi, Alina Prodan, and Daniela Predoi. "Removal of Zinc Ions Using Hydroxyapatite and Study of Ultrasound Behavior of Aqueous Media." Materials 11, no. 8 (August 3, 2018): 1350. http://dx.doi.org/10.3390/ma11081350.

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The present study demonstrates the effectiveness of hydroxyapatite nanopowders in the adsorption of zinc in aqueous solutions. The synthesized hydroxyapatites before (HAp) and after the adsorption of zinc (at a concentration of 50 mg/L) in solution (HApD) were characterized using X-ray diffraction (XRD), and scanning and transmission electron microscopy (SEM and TEM, respectively). The effectiveness of hydroxyapatite nanopowders in the adsorption of zinc in aqueous solutions was stressed out through ultrasonic measurements. Both Langmuir and Freundlich models properly fitted on a wide range of concentration the equilibrium adsorption isotherms, allowing us to precisely quantify the affinity of zinc to hydroxyapatite nanopowders and to probe the efficacy of hydroxyapatite in removal of zinc ions from aqueous solutions in ultrasonic conditions.
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Saragih, Agung Shamsuddin, Amin Pamungkas, and Alfian Noviyanto. "Synthesis of Hydroxyapatite from Indonesian Green Mussels (Perna viridis) via Precipitation Methods." Key Engineering Materials 833 (March 2020): 199–203. http://dx.doi.org/10.4028/www.scientific.net/kem.833.199.

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Based on the X-Ray Fluorescence test it was identified that the calcium content in green mussel shells was very high with concentration about 93.83%. The calcium is the main constituent of hydroxyapatite besides phosphorus, so the purpose of this study is to identify a very good potential for synthesized hydroxyapatite from green mussel shells, which is considered the waste of shells that cause environmental pollution. Hydroxyapatite synthesized from green mussels using precipitation method, calcium from green was reacted with phosphate obtained from phosphoric acid. The Fourier transform infrared spectrum show that the functional group in powder is a functional group of hydroxyapatites. The FTIR chart of shellfish hydroxyapatite soaked in acetone and after the precipitation process is heated again to 900°C is the most similar graph to the FTIR commercial HA graph. The results of the X-Ray Diffraction test also prove that the clam shell with this treatment has a diffraction pattern resembling standard hydroxyapatite.
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Byra, Natalia, Sylwester Krukowski, Jaroslaw Sadlo, and Waclaw Kolodziejski. "Composites Containing Nanohydroxyapatites and a Stable TEMPO Radical: Preparation and Characterization Using Spectrophotometry, EPR and 1H MAS NMR." Materials 15, no. 6 (March 10, 2022): 2043. http://dx.doi.org/10.3390/ma15062043.

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Hydroxyapatite is the main constituent of mammalian hard tissues. Basic applications of synthetic hydroxyapatites include bone and dental implantology and drug delivery systems. The study of hydroxyapatite surface properties could give greater insight into the processes of bone mineralization and degradation. Nitroxide radicals are stable radicals that exhibit anticancer and antioxidative properties and are often used as spin probes to study the dynamics of complex biological systems. In this work, we attempted to adsorb the stable 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO) on two hydroxyapatites (HAs) differing in specific surface area and the degree of hydration. The adsorption was carried out from cyclohexane, 1-chlorobutane and water. The solutions after adsorption were studied spectrophotometrically, while the obtained composites were characterized via NMR and EPR spectroscopy. The results show that it is possible to reproducibly obtain fairly stable composites, where the main factors influencing the adsorbed amount of the radical are solvent polarity and specific surface area of hydroxyapatite. The Langmuir isotherm was determined to be the most suitable adsorption model. The analysis of EPR and NMR spectra allowed us to determine the distribution of the TEMPO molecules on the hydroxyapatite surface, as well as a probable adsorption mechanism. The HA/TEMPO composites could potentially be used to study certain properties of hydroxyapatite surfaces with EPR spectroscopy. They could also be used as fillers after hard tissue surgery, as well as metal-free MRI contrasts.
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Fang, Chih-Hsiang, Yi-Wen Lin, Feng-Huei Lin, Jui-Sheng Sun, Yuan-Hung Chao, Hung-Ying Lin, and Zwei-Chieng Chang. "Biomimetic Synthesis of Nanocrystalline Hydroxyapatite Composites: Therapeutic Potential and Effects on Bone Regeneration." International Journal of Molecular Sciences 20, no. 23 (November 28, 2019): 6002. http://dx.doi.org/10.3390/ijms20236002.

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The development of a novel alloplastic graft with both osteoinductive and osteoconductive properties is still necessary. In this study, we tried to synthesize a biomimetic hydroxyapatite microspheres (gelatin/nano-hydroxyapatite microsphere embedded with stromal cell-derived factor-1: GHM-S) from nanocrystalline hydroxyapatites and to investigate their therapeutic potential and effects on bone regeneration. In this study, hydroxyapatite was synthesized by co-precipitation of calcium hydroxide and orthophosphoric acid to gelatin solution. The microbial transglutaminase was used as the agent to crosslink the microspheres. The morphology, characterization, and thermal gravimetric analysis of microspheres were performed. SDF-1 release profile and in vitro biocompatibility and relative osteogenic gene expression were analyzed, followed by in vivo micro-computed tomography study and histological analysis. The synthesized hydroxyapatite was found to be similar to hydroxyapatite of natural bone tissue. The stromal cell-derived factor-1 was embedded into gelatin/hydroxyapatite microsphere to form the biomimetic hydroxyapatite microsphere. The stromal cell-derived factor-1 protein could be released in a controlled manner from the biomimetic hydroxyapatite microsphere and form a concentration gradient in the culture environment to attract the migration of stem cells. Gene expression and protein expression indicated that stem cells could differentiate or develop into pre-osteoblasts. The effect of bone formation by the biomimetic hydroxyapatite microsphere was assessed by an in vivo rats’ alveolar bone defects model and confirmed by micro-CT imaging and histological examination. Our findings demonstrated that the biomimetic hydroxyapatite microsphere can enhance the alveolar bone regeneration. This design has potential be applied to other bone defects.
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Afriani, Fitri, Evi J, Zaitun Zaitun, and Yuant Tiandho. "Improvement of Hardness of Hydroxyapatite by the Addition of Silica from Tin Tailings." Journal of Engineering and Scientific Research 2, no. 2 (December 28, 2020): 85–89. http://dx.doi.org/10.23960/jesr.v2i2.48.

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The application of bone scaffolding in bone therapy is an alternative solution developed in bone tissue engineering technology to avoid bone donors' scarcity. The main requirement for a material that can be used as a scaffold is that it is biocompatible. Hydroxyapatite is a calcium phosphate ceramic that is often used as the primary material for scaffolding because it has good biocompatibility properties. However, like most ceramics, hydroxyapatite has low mechanical properties. In this study, we synthesized hydroxyapatite from cockleshell waste. To improve hydroxyapatite's mechanical properties (hardness), we added silica from tin tailings to hydroxyapatite. Through the analysis of the x-ray diffraction (XRD) pattern, it was found that hydroxyapatite was successfully synthesized from cockleshell using the co-precipitation method. Analysis of the diffraction pattern of tin tailings also shows that most of the crystals comprising tin tailings sand are silica in the ?-quartz phase. The addition of silica to hydroxyapatite followed by compaction and sintering at a temperature of 800 ? did not produce a new crystal phase. The addition still has a diffraction pattern consisting of a combined XRD pattern of hydroxyapatite and silica. Based on the hardness test using the Vickers hardness method, it is known that the addition of silica can increase the hardness of hydroxyapatite.
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Troubitsin, M., Viet Hung Hoang, and L. Furda. "INFLUENCE OF THE CRYSTAL-CHEMICAL STRUCTURE IN CALCIUM-PHOSPHATE NANOCOMPOSITE ON THE FORMATION OF ELECTROSURFACE AND ACID-BASIC PROPERTIES." Bulletin of Belgorod State Technological University named after. V. G. Shukhov 6, no. 2 (March 5, 2021): 89–99. http://dx.doi.org/10.34031/2071-7318-2021-6-2-89-99.

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The single-phase modified nanostructured hydroxyapatites and biomimetic calcium-phosphate nanocomposite (BMHAP) doped by silicate and carbonate anions are synthesized by chemical precipitation in aqueous solutions. The chemical composition of the obtained samples is studied by energy dispersive X-ray spectroscopy using a scanning electron microscope. It is shown that the obtained molar ratios are close to the design values in all samples. The influence of different modifying ions in the crystal-chemical structure of hydroxyapatite (HAp) on the electrosurface properties of the synthesized products has been studied. Unmodified hydroxyapatite, silicate-substituted hydroxyapatite, and BMHAP particles are found to carry a negative charge in an aqueous suspension at pH = 7, while carbonate-substituted HAp particles had a positive charge. It is revealed that the introduction of silicate and carbonate anions into the HAp structure is accompanied by an increase in negative values of the zeta-potential from -1.05 to -4.29 mV. The change in the distribution of active centers on the surface of modified nanostructured hydroxyapatites is studied by the adsorption of acid-base indicators method with pKax in the range from -0.3 to +12.8. In contrast to stoichiometric hydroxyapatite, in BMHAP the neutral Bronsted centers prevails, and their concentration is 48.38 mmol-eq/g
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Petrovic, Bozana, Maja Krstic, Tihana Mudrinic, Maria Cebela, and Maja Dutour-Sikiric. "Mg and Si substituted hydroxyapatite: Behaviour in simulated body fluid." Serbian Dental Journal 69, no. 2 (2022): 82–88. http://dx.doi.org/10.2298/sgs2202082p.

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Due to its similarity with biological apatite found in vertebrate hard tissues, calcium hydroxyapatite is one of the most investigated materials in bone tissue engineering. As the biological apatite is not stoichiometric, ion substituted hydroxyapatites attract much atention since they more closely mimic the composition of natural bone. Although there are many investigations of the influence of foreign ions on the structure and physico-chemical properties of ion-substituted hydroxyapatites, there is scarse information on their behaviour in different media. In the present study, magnesium (Mg), that plays a key role in bone metabolism and silicon (Si), that is necessary for normal skeletal development, were used as ion substitutes. The behaviour of Mg and Si substituted hydroxyapatite in simulated body fluid was investigated by XRD, FTIR and SEM. Obtained results confirmed great potential of these substituted hydroxyapatites for biomedical applications.
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Dissertations / Theses on the topic "Hydroxyapatite"

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Lasgorceix, Marie. "Mise en forme par microstéréolithographie et frittage de céramiques macro-micro-poreuses en hydroxyapatite silicatée et évaluation biologique." Limoges, 2014. https://aurore.unilim.fr/theses/nxfile/default/9c91fe90-7df3-4e09-8fd9-809cb07dcf38/blobholder:0/2014LIMO4016.pdf.

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Des biocéramiques d’hydroxyapatite silicatée (SiHA) macro-micro-poreuses et d’architecture contrôlée ont été mises en forme par microstéréolithographie puis consolidées par frittage. Dans cette optique, des suspensions de particules SiHA, dispersées en milieu organique photoréactif, ont été développées. Leur comportement rhéologique a été étudié en fonction des taux de poudre, de diluant organique et de dispersant. Une formulation, permettant un bon compromis entre comportement rhéologique et réactivité de la suspension, définition et maintien mécanique des pièces macroporeuses mises en forme, a été retenue. Après optimisation des paramètres du procédé, l’étude de la surpolymérisation, en fonction des dimensions et des géométries des macropores, a conduit à un modèle prédictif de dimensionnement de ceux-ci, utilisé pour la conception assistée par ordinateur des pièces. Des échantillons modèles, contenant des macropores de différentes tailles (>300 μm) et de géométries variées, ont ensuite été confectionnés. L’influence de la température et de la durée du frittage, sur la microstructure des céramiques, a été précisée. Un taux de microporosité ouverte contrôlé sur une large gamme (jusqu’à 37 %) a pu être obtenu par ajustement de ces paramètres de frittage. L’amélioration de l’ostéointégration des substituts osseux passe par l’optimisation de leur architecture poreuse. Dans ce contexte, afin d’évaluer l’influence de la géométrie des macropores sur les phénomènes biologiques impliqués dans l’ostéogénèse, des études de prolifération de cellules osseuses in vitro et de vascularisation ex vivo ont été menées sur les substrats poreux de SiHA
Macro-micro-porous bioceramics made of silicated hydroxyapatite (SiHA), with a controlled architecture, were shaped by microstereolithography and consolidated by sintering. For this purpose, slurries with SiHA particles, dispersed in organic photosensitive medium, were developed. Their rheological behaviour was studied according to the powder, organic diluent and dispersant amounts. A formulation, allowing a good compromise between rheological behaviour and reactivity of the suspension, definition and mechanical strength of the shaped macroporous parts, was chosen. After optimization of the process parameters, the study of the overcure, according to the dimensions and the geometry of the macropores, has led to a predictive sizing model of pores, used for the computer aided design of the parts. Model specimens, containing different pore sizes (> 300 μm) of several geometries, were then shaped. The influence of the sintering temperature and time, on the ceramic microstructure, was investigated. A controlled amount of open microporosity over a wide range (up to 37%) was obtained by adjusting these sintering parameters. Improving the osteointegration of osseous substitutes requires an optimization of their architecture. In this context, in order to assess the effect of the geometry of the macropores on the biological phenomena involved in osteogenesis, in vitro studies of bone cells proliferation and ex vivo studies of vascularization were performed on the SiHA porous substrates
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Porter, Alexandra Elizabeth. "Ultrastructural comparison of hydroxyapatite and silicon-substituted hydroxyapatite for bone grafting applications." Thesis, University of Cambridge, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620067.

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Chappell, Helen Fiona. "Atomistic simulations of hydroxyapatite." Thesis, University of Cambridge, 2007. https://www.repository.cam.ac.uk/handle/1810/290022.

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The ain of this work was to provide a deeper understanding of the electronic and geometrical structures of HA when substituted by various ions considered important in the field of biomaterials. Calculations were carried out using Density Functional Theory, (DFT), on bulk and surface, substituted-HA structures. Particular attention is given to the substation of phosphate ions by silicate ions. Bulk structures are investigated with supercells and the Virtual Crystal Approximation, which simulates low concentrations (up to 2.8 wt%) of silicon in the unit cell. The amount of silicon that can be substituted into a single cell is limited by the need for charge compensation, as the silicate ion has a formal charge of -4 and phosphate -3. Charge compensation is therefore explored, showing that hydroxyl-deficient HA is more favourable than stoichiometric HA when silicon is introduced. The HA-britholite-(Y) solid state series is also investigated, using geometry optimisation and theoretical NMR spectra, as a potential way of increasing the silicon content of a unit cell by charge compensating with the replacement of a +2 calcium ion by a +3 yttrium ion. Further substitutions of titanium and magnesium are also thoroughly investigated with the single unit cell model. A HA (100) surface slab is also constructed and electronically optimised. This model is used in the study of surface structures and interactions and is compared to previous experimental and theoretical results. Substitution of silicon into the surfaces is investigated in addition to protonation of surface phosphate and silicate ions and the adsorption of a glutamic acid fragment.
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Debbabi, M., M. Othmani, and A. Aissa. "Nanocrystalline Hydroxyapatite-Bisphosphonate Composites." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35199.

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The direct synthesis of hydroxyapatite─1,8-octan-bisphosphonic acid (HAp─BISPH) nanocrystals has been carried out in presence of increasing amounts of BISPH in solution, by hydrothermal method at 120 °C for 15 h. XRD, IR, NMR-MAS (31P, 1H and 13C), TEM, AFM, TGA and chemical analysis were used to characterize the structure, morphology and composition of the products. X-ray powder diffraction patterns show that the incorporation of bisphosphonate moieties induces a significant loss of the material crystallin-ity and a clear decrease of the crystallite size. TEM and AFM images show that the precipitated apatite particles prepared in the presence of this bisphosphonic acid are nanosized. The IR and NMR-MAS 1H spectroscopy show that the BISPH can replace the OH− groups of the apatitic structure. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35199
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Wang, Haibo. "Hydroxyapatite degradation and biocompatibility." Connect to this title online, 2004. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1087238429.

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Thesis (Ph. D.)--Ohio State University, 2004.
Title from first page of PDF file. Document formatted into pages; contains xiv, 190 p.; also includes graphics. Includes bibliographical references (p. 166-190).
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Shepherd, Jennifer Helen. "Hydroxyapatite and carbonate substituted hydroxyapatite suspensions produced by precipitation routes for scaffold applications." Thesis, University of Cambridge, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.611812.

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Tang, Qian. "Production and characterisation of vacuum plasma sprayed (VPS) hydroxyapatite and silicon-substituted hydroxyapatite coatings." Thesis, University of Cambridge, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609136.

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Xu, Qingguo. "Hydroxyapatite coated drug delvery devices." Thesis, University of Oxford, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.531796.

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Dai, Xiaoshu. "Calcium phosphate scaffolds from electrospun PVA/inorganic sol precursors." Worcester, Mass. : Worcester Polytechnic Institute, 2006. http://www.wpi.edu/Pubs/ETD/Available/etd-042506-161758/.

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Zhu, Xiaolong. "Nano hydroxyapatite collagen, nano hydroxyapatite and anodic oxides on titanium preparation, characterization and biological responses /." [S.l.] : [s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=97407215X.

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Books on the topic "Hydroxyapatite"

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Hoad-Reddick, Gillian. Aspects of hydroxyapatite implantation. Manchester: University of Manchester, 1994.

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1943-, Brown Paul W., and Constantz Brent, eds. Hydroxyapatite and related materials. Boca Raton: CRC, 1994.

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Zhang, Sam. Hydroxyapatite Coatings for Biomedical Applications. Boca Raton: Taylor & Francis, 2013.

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Gshalaev, Valeri S., and Aleksandra C. Demirchan. Hydroxyapatite: Synthesis, properties, and applications. Hauppauge, N.Y: Nova Science Publishers, 2012.

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Denissen, Harry. Hydroxylapatite implants. Padua: Piccin, 1985.

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A, Epinette J., and Geesink Rudolph G. T, eds. Hydroxyapatite coated hip and knee arthroplastry. Paris: Expansion Scientifique Française, 1995.

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Leyland, Nigel Stephen. Processing routes for hydroxyapatite-zirconia composites. Birmingham: University of Birmingham, 1998.

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Taylor, Mary Patricia. Assessment of plasma-sprayed hydroxyapatite coatings. Birmingham: University ofBirmingham, 1995.

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Aoki, Hideki. Science and medical applications of hydroxyapatite. Tokyo: JAAS, 1991.

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Murray, Michael George Scott. Emulsion conditioning of hydroxyapatite for clinical implants. Birmingham: University of Birmingham, 1995.

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Book chapters on the topic "Hydroxyapatite"

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Sainburg, Robert L., Andrew L. Clark, George E. Billman, Zachary J. Schlader, Toby Mündel, Kevin Milne, Earl G. Noble, et al. "Hydroxyapatite." In Encyclopedia of Exercise Medicine in Health and Disease, 415. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-540-29807-6_2502.

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Kraay, Matthew J., and Victor M. Goldberg. "Hydroxyapatite." In Surgical Techniques in Total Knee Arthroplasty, 277–86. New York, NY: Springer New York, 2002. http://dx.doi.org/10.1007/0-387-21714-2_37.

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Bährle-Rapp, Marina. "Hydroxyapatite." In Springer Lexikon Kosmetik und Körperpflege, 270. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007. http://dx.doi.org/10.1007/978-3-540-71095-0_5023.

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Sawicki, Monica, Kyle Crosby, Ling Li, and Leon Shaw. "Sintering of Hydroxyapatite." In Ceramic Transactions Series, 83–89. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2012. http://dx.doi.org/10.1002/9781118511466.ch9.

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Habibovic, Pamela, Florence Barrère, and Klaas de Groot. "Biomimetic Hydroxyapatite Coatings." In Fifteen Years of Clinical Experience with Hydroxyapatite Coatings in Joint Arthroplasty, 87–95. Paris: Springer Paris, 2004. http://dx.doi.org/10.1007/978-2-8178-0851-2_8.

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Hilbrig, Frank, and Ruth Freitag. "Hydroxyapatite in Bioprocessing." In Biopharmaceutical Production Technology, 283–331. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2012. http://dx.doi.org/10.1002/9783527653096.ch9.

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Frayssinet, P., P. Bonnevialle, J. Autefage, P. Sharrock, and G. Bonel. "Bioartificial Hydroxyapatite Implants." In Limb Salvage, 169–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/978-3-642-75879-9_22.

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Cawley, Jonathan. "Hydroxyapatite Chromatography (HAC)." In Methods in Molecular Biology, 179–92. New York, NY: Springer US, 2023. http://dx.doi.org/10.1007/978-1-0716-3362-5_10.

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Fatimah, Is, Ganjar Fadillah, Ika Yanti, Suresh Sagadevan, and Ruey-an Doong. "Hydroxyapatite-Based Nanocomposites." In Bionanomaterials for Biosensors, Drug Delivery, and Medical Applications, 153–76. Boca Raton: CRC Press, 2023. http://dx.doi.org/10.1201/9781003425427-10.

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"Hydroxyapatite." In Bioceramics, 177–97. New York, NY: Springer New York, 2008. http://dx.doi.org/10.1007/978-0-387-09545-5_9.

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Conference papers on the topic "Hydroxyapatite"

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Dudek, Agata, and Adam Tokarz. "Microstructure and Properties of the Composites: Hydroxyapatite With Addition of Zirconium Phase." In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-77696.

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The group of bioceramics include hydroxyapatites, which, due to their specific properties, are widely used in biotechnology. These compounds exist in skeleton of human and animal body. A range of advantages of implants which contain, among other things, hydroxyapatites, results also from the level of their porosity. Recent trends that focus on improvement in poor strength properties of HAp coatings include introduction of solid solution of Y2O3 in ZrO2 [1–7]. It seems to be essential to determine the resulting structural and strength properties in the aspect of further application of composites based on hydroxyapatite with addition of zirconium phase. The investigations involved ceramic composites based on HAp with different amounts of the phase modified with ZrO2 yttrium dioxide.
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Singh, G., H. Singh, and B. Singh Sidhu. "Corrosion Testing of Hydroxyapatite and Hydroxyapatite-Silicon Oxide Coated Titanium." In ITSC 2016, edited by A. Agarwal, G. Bolelli, A. Concustell, Y. C. Lau, A. McDonald, F. L. Toma, E. Turunen, and C. A. Widener. DVS Media GmbH, 2016. http://dx.doi.org/10.31399/asm.cp.itsc2016p0812.

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Abstract In this study, hydroxyapatite (HA) and HA-SiO2 coatings are applied to unalloyed Ti by atmospheric plasma spraying and corrosion resistance is assessed by immersion in Ringer’s solution for 24 h. The results show that the HA coating improves corrosion resistance, which is further improved with the addition of SiO2. An analysis based on Scherrer’s equation confirms an observed increase in crystallite size in the coated samples.
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Popa, C. L., C. S. Ciobanu, C. C. Petre, M. Motelica-Heino, S. L. Iconaru, G. Jiga, and D. Predoi. "Hydroxyapatite with environmental applications." In TIMES OF POLYMERS (TOP) AND COMPOSITES 2014: Proceedings of the 7th International Conference on Times of Polymers (TOP) and Composites. AIP Publishing LLC, 2014. http://dx.doi.org/10.1063/1.4876842.

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Méndez-González, M. "Preparation of Porous Hydroxyapatite Tablets and Porous Hydroxyapatite Coatings for Orthopaedic Use." In MEDICAL PHYSICS: Eighth Mexican Symposium on Medical Physics. AIP, 2004. http://dx.doi.org/10.1063/1.1811863.

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Abburi, Aditya, and Visweswara Rao Abburi. "Controlled synthesis of hydroxyapatite nanoparticles." In 2019 IEEE 14th International Conference on Nano/Micro Engineered and Molecular Systems (NEMS). IEEE, 2019. http://dx.doi.org/10.1109/nems.2019.8915677.

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Nur, Adrian, Arif Jumari, Anatta W. Budiman, Ossama Ruzicka, Maulana A. Fajri, Nazriati Nazriati, and Fauziatul Fajaroh. "Electrosynthesis of cobalt – hydroxyapatite nanoparticles." In THE 4TH INTERNATIONAL CONFERENCE ON INDUSTRIAL, MECHANICAL, ELECTRICAL, AND CHEMICAL ENGINEERING. Author(s), 2019. http://dx.doi.org/10.1063/1.5098187.

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Hariyanto, Satriawan Dini, Tutik Sriani, Muslim Mahardika, and Gunawan Setia Prihandana. "Hydroxyapatite (HA) for wastewater treatment." In THE 2ND INTERNATIONAL CONFERENCE ON PHYSICAL INSTRUMENTATION AND ADVANCED MATERIALS 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0034511.

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Bi, Yong-guang, and Meng-qian Huang. "Preparation with Orthogonal Hydroxyapatite Nanomaterials." In 2015 International Conference on Advanced Material Engineering. WORLD SCIENTIFIC, 2015. http://dx.doi.org/10.1142/9789814696029_0066.

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Deville, S., P. Miranda, E. Saiz, and A. P. Tomsia. "Fabrication of Porous Hydroxyapatite Scaffolds." In ASME 2006 International Manufacturing Science and Engineering Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/msec2006-21048.

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This work describes two novel techniques for the fabrication of porous hydroxyapatite scaffolds for calcified tissue engineering; robocasting and freeze casting. These techniques allow the fabrication of materials with complex porosity. Both are based on the preparation of concentrated ceramic suspensions with suitable properties for the process. In robocasting, the computer-guided deposition of the suspensions is used to build porous materials with designed three dimensional (3-D) geometries and microstructures. Freeze casting uses ice crystals as a template to form porous lamellar ceramic materials. Preliminary results on the compressive strengths of the materials are also reported.
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Ruso, Juan, and Ramón Rial. "Protein Corona on Hydroxyapatite Nanoparticles." In MOL2NET'21, Conference on Molecular, Biomedical & Computational Sciences and Engineering, 7th ed. Basel, Switzerland: MDPI, 2021. http://dx.doi.org/10.3390/mol2net-07-09541.

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Reports on the topic "Hydroxyapatite"

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Cristoforetti, María Fernanda, ed. Calcium hydroxyapatite in nasolabial folds. Lugones Editorial, July 2024. http://dx.doi.org/10.47196/0582.

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Evaluation of the safety and efficacy of calcium hydroxyapatite in the treatment of nasolabial folds. By Dr. Marcelo Robles, Reconstructive Plastic Surgeon, Medical Director, Robles Clinic, City of Buenos Aires, Argentina
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Makarova, Svetlana, Natalia Bulina, and Olga Vinokurova. Mechanochemical synthesis of magnesium substituted hydroxyapatite. Peeref, July 2023. http://dx.doi.org/10.54985/peeref.2307p5325121.

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McCarthy, Geraldine. Biological Effects of Calcium Hydroxyapatite Crystals in Breast Cancer. Fort Belvoir, VA: Defense Technical Information Center, August 2001. http://dx.doi.org/10.21236/ada413254.

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Yusufoglu, Yusuf. Synthesis and characterization of carbonated hydroxyapatite and bioinspired polymer-calcium phosphate nanocomposites. Office of Scientific and Technical Information (OSTI), January 2009. http://dx.doi.org/10.2172/976271.

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Chang, T., and M. A. Havstad. Design of a substrate heater for calcium hydroxyapatite coating by pulsed laser ablation. Office of Scientific and Technical Information (OSTI), July 1995. http://dx.doi.org/10.2172/113932.

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Moore, Robert Charles, Ahmed Ali Mohamed Hasan, Thomas Jeffrey Headley, Charles Anthony Sanchez, Hongting Zhao, Fred Manuel Salas, Mahmoud A. Hasan, and Kathleen Caroline Holt. Containment of uranium in the proposed Egyptian geologic repository for radioactive waste using hydroxyapatite. Office of Scientific and Technical Information (OSTI), April 2004. http://dx.doi.org/10.2172/918746.

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K.B. Helean and R.C. Moore. Sequestration of Radionuclides and Heavy Metal by Hydroxyapatite Doped with Fe, Cu and Sn. Office of Scientific and Technical Information (OSTI), January 2005. http://dx.doi.org/10.2172/840147.

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Hassan, Mozan, Abbas Khaleel, Sherif Karam, Ali Al-Marzouqi, Ihtesham Ur Rehman, and Sahar Mohsin. Bacterial inhibition and osteogenic potentials of Sr/Zn co-doped nano-hydroxyapatite-PLGA composite scaffold for bone tissue engineering applications. Peeref, June 2023. http://dx.doi.org/10.54985/peeref.2306p7862520.

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Szescody, James E., Robert C. Moore, Mark J. Rigali, Vincent R. Vermeul, and Jon Luellen. Use of a Ca-Citrate-Phosphate Solution to Form Hydroxyapatite for Uranium Stabilization of Old Rifle Sediments: Laboratory Proof of Principle Studies. Office of Scientific and Technical Information (OSTI), March 2016. http://dx.doi.org/10.2172/1431271.

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Szescody, James E., Robert C. Moore, Mark J. Rigali, Vincent R. Vermuel, and Jon Leullen. Use of a Ca-Citrate-Phosphate Solution to Form Hydroxyapatite for Uranium Stabilization of Old Rifle Sediments: Laboratory Proof of Principle Studies. Office of Scientific and Technical Information (OSTI), April 2016. http://dx.doi.org/10.2172/1561202.

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