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Bibliografías temáticas / Bioactive compounds Hydroxyapatite

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Literatura académica sobre el tema "Bioactive compounds Hydroxyapatite"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 10 de febrero de 2022

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Artículos de revistas sobre el tema "Bioactive compounds Hydroxyapatite"

1

Ke, Hua, Yu Zhou, De Chang Jia, and Cong Qin Ning. "Microstructure and In Vitro Bioactivities of HA/Ti Composites Prepared by Hot Isostatic Pressing." Key Engineering Materials 336-338 (April 2007): 1715–17. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.1715.

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Hydroxyapatite (HA)/titanium (Ti) composites were successfully fabricated by hot isostatic pressing at 850°C. The microstructure of 7T2HB (70Ti+20HA+10Bioglass, Vol. %) composites were systematically investigated. The main constituents of the composites are hydroxyapatite and titanium. A simulated body fluid (SBF) with the same ion concentrations as those of human plasma and pH value of 7.4 is selected to evaluate the in vitro biological properties of the composites. After 2-week immersion in SBF, the bioactive apatite formed a very dense film on the surface of the composites. The dissolution

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2

Park, Kyeong Jun, Ji Ho Park, Sang Bae Lee, Doug Youn Lee, Kyoung Nam Kim, and Kwang Mahn Kim. "Bioactive Cyanoacrylate-Based Filling Material for Bone Defects in Dental Applications." Key Engineering Materials 284-286 (April 2005): 933–36. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.933.

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We tried to prepare a new filling material for bone defects using β-Tricalcium phosphate (β-TCP) particles and Histoacryl®. The aim of this study was to evaluate physical and bioactive properties of cyanoacrylate-based filling materials for bone defects in the dental field. The shear bond strength values of the Histoacryl® and β-TCP/ Histoacryl® compounds stored in double-distilled water decreased with the increase of the amount of added β-TCP. The temperature change of the β-TCP/ Histoacryl® compounds during polymerization decreased compared to that of the Histoacryl®. The cytotoxicity of the

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3

Im, K. H., Ji Ho Park, Kyoung Nam Kim, et al. "Organic-Inorganic Hybrids of Hydroxyapatite with Chitosan." Key Engineering Materials 284-286 (April 2005): 729–32. http://dx.doi.org/10.4028/www.scientific.net/kem.284-286.729.

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In tissue engineering, a scaffold helps determine 3-dimensional morphology, increases cell survival, provides initial mechanical stability, supports tissue ingrowth, aids in the formation of tissue structure. Chitosan is the partially deacetylated form of chitin that can be extracted from crustacean. It degrades in the body to non-harmful and non-toxic compounds and has been used in various fields such as nutrition, metal recovery and biomaterials. Hydroxyapatite, a major inorganic component of bone, has been used extensively for biomedical implant applications and bone regeneration due to its

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4

Kompantsev, Dmitry, Anna Chahirova, Ruslan Yusupov, and Natalia Shabanova. "CREATING OSTEOPLASTIC MATERIALS TO REPAIR JAW BONES DEFECTS." Archiv Euromedica 10, no. 4 (2020): 163–66. http://dx.doi.org/10.35630/2199-885x/2020/10/4.36.

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In the course of our research we have developed a technology for fabricating an osteoplastic material from natural bone tissue. The obtained preparation in the form of gel contains hydroxyapatite, calcium triphosphate compounds and stimulators for regeneration. The proposed experimental material produces a stimulating effect on the growth of animal cell types; it enables to produce bioactive materials with increased biocompatibility. Application of the experimental gel facilitates the process of bone-tissue regeneration in the laboratory animals, which, in its turn, confirms the optimal compos

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5

Ramli, Syakir, Mardziah Che Murad, and Nik Rozlin Nik Masdek. "Sinterability of Magnesium Hydroxyapatite Bioceramic and Its Mechanical Properties." International Journal of Engineering & Technology 7, no. 3.11 (2018): 197. http://dx.doi.org/10.14419/ijet.v7i3.11.15960.

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One of the most favoured material in bone tissue engineering field nowadays is hydroxyapatite (HA), which is also known to be bioactive and has a similar composition to human bone. However, developing an artificial bone or bone graft using biocompatible HA is a challenging task due to the lower strength of the main substance. To improve the mechanical properties of synthetic HA, introduction of metallic substance such as magnesium (Mg) into HA has been proposed. In this present study, 0, 10 15 wt% of magnesium hydroxyapatite (MgHA) nanopowders were prepared by a simple wet precipitation method

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6

Icriverzi, Madalina, Anca Bonciu, Laurentiu Rusen, et al. "Human Mesenchymal Stem Cell Response to Lactoferrin-based Composite Coatings." Materials 12, no. 20 (2019): 3414. http://dx.doi.org/10.3390/ma12203414.

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The potential of mesenchymal stem cells (MSCs) for implantology and cell-based therapy represents one of the major ongoing research subjects within the last decades. In bone regeneration applications, the various environmental factors including bioactive compounds such as growth factors, chemicals and physical characteristics of biointerfaces are the key factors in controlling and regulating osteogenic differentiation from MSCs. In our study, we have investigated the influence of Lactoferrin (Lf) and Hydroxyapatite (HA) embedded within a biodegradable PEG-PCL copolymer on the osteogenic fate o

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7

Avram, Daniela, Dan Ungureanu, Nicolae Angelescu, et al. "The Structural and Compositional Evaluation of Some Calcium Phosphate Glasses with Bioactive Potential." Revista de Chimie 69, no. 6 (2018): 1424–28. http://dx.doi.org/10.37358/rc.18.6.6338.

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This paper shows the experimental results of two compositional phosphocalcic glasses: 50% SiO2 - 45% CaO - 5% P2O5 and 47% SiO2 - 45% CaO - 5% P2O5 - 3% Ag2O obtained through sol-gel method. In order to study their bioactivity, the two compositions were structural analyzed by X-ray diffraction method. In this case the apatite formation was highlighted after 14 days of soaked in simulated body fluid, but also other compounds (CaCO3, AgCl and Ag) resulting from the same process were highlighted. The first glass composition is more bioactive than composition doped with silver. The pores of the hy

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8

Dudek-Wicher, Ruth, Justyna Paleczny, Beata Kowalska-Krochmal, et al. "Activity of Liquid and Volatile Fractions of Essential Oils against Biofilm Formed by Selected Reference Strains on Polystyrene and Hydroxyapatite Surfaces." Pathogens 10, no. 5 (2021): 515. http://dx.doi.org/10.3390/pathogens10050515.

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Biofilms are surface-attached, structured microbial communities displaying higher tolerance to antimicrobial agents in comparison to planktonic cells. An estimated 80% of all infections are thought to be biofilm-related. The drying pipeline of new antibiotics efficient against biofilm-forming pathogens urges the search for alternative routes of treatment. Essential Oils (EOs), extracted from medicinally important plants, are a reservoir of bioactive compounds that may serve as a foothold in investigating novel antibiofilm compounds. The aim of this study was to compare antimicrobial activity o

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9

Ionescu, Andrei C., Gloria Cazzaniga, Marco Ottobelli, Franklin Garcia-Godoy, and Eugenio Brambilla. "Substituted Nano-Hydroxyapatite Toothpastes Reduce Biofilm Formation on Enamel and Resin-Based Composite Surfaces." Journal of Functional Biomaterials 11, no. 2 (2020): 36. http://dx.doi.org/10.3390/jfb11020036.

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Background: Toothpastes containing nano-hydroxyapatite (n-HAp) substituted with metal ions provide calcium and phosphate ions to dental hard tissues, reducing demineralization, and promoting remineralization. Few data are available about the effect of these bioactive compounds on oral microbiota. Methods: This in vitro study evaluated the influence of two commercially-available substituted n-HAp-based toothpastes (α: Zn-carbonate substituted n-HAp; β: F, Mg, Sr-carbonate substituted n-HAp) on early colonization (EC, 12 h) and biofilm formation (BF, 24 h) by oral microbiota. Controls were brush

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10

Wang, Guocheng, Zufu Lu, Xuanyong Liu, Xiaming Zhou, Chuanxian Ding, and Hala Zreiqat. "Nanostructured glass–ceramic coatings for orthopaedic applications." Journal of The Royal Society Interface 8, no. 61 (2011): 1192–203. http://dx.doi.org/10.1098/rsif.2010.0680.

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Glass–ceramics have attracted much attention in the biomedical field, as they provide great possibilities to manipulate their properties by post-treatments, including strength, degradation rate and coefficient of thermal expansion. In this work, hardystonite (HT; Ca 2 ZnSi 2 O 7 ) and sphene (SP; CaTiSiO 5 ) glass–ceramic coatings with nanostructures were prepared by a plasma spray technique using conventional powders. The bonding strength and Vickers hardness for HT and SP coatings are higher than the reported values for plasma-sprayed hydroxyapatite coatings. Both types of coatings release b

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Tesis sobre el tema "Bioactive compounds Hydroxyapatite"

1

Ni, Guoxin. "In vivo studies of strontium-containing hydroxyapatite bioactive bone cement in primary and revision hip replacement." Click to view the E-thesis via HKUTO, 2006. http://sunzi.lib.hku.hk/hkuto/record/B36596577.

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Bell, Bryan Frederick. "Functionally graded, multilayer diamondlike carbon-hydroxyapatite nanocomposite coatings for orthopedic implants." Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131058/unrestricted/bell%5Fbryan%5Ff%5F200405%5Fms.pdf.

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Bell, Bryan Frederick Jr. "Functionally graded, multilayer diamondlike carbon-hydroxyapatite nanocomposite coatings for orthopedic implants." Thesis, Georgia Institute of Technology, 2004. http://hdl.handle.net/1853/7962.

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4

Ni, Guoxin, and 倪國新. "In vivo studies of strontium-containing hydroxyapatite bioactive bone cement in primary and revision hip replacement." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2006. http://hub.hku.hk/bib/B36596577.

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5

Wang, Ting. "A comparative study on initial prothesis stability fixed by strontium-containing hydroxyapatite comparing with polymethyl methacrylate bone cement." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B44193269.

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6

Wang, Ting, and 王挺. "A comparative study on initial prothesis stability fixed by strontium-containing hydroxyapatite comparing with polymethyl methacrylate bonecement." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B44193269.

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7

Liu, Wai-ching, and 廖惠清. "Strontium incorporated materials in orthopaedics: gentamicin release in bone cement and scaffolds with highmechanical properties for tissue engineering." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2012. http://hub.hku.hk/bib/B47234672.

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　　　Strontium (Sr) is not only widely studied for its compound as a drug for treating osteoporosis, but there is also a growing interest of its addition in orthopaedic biomaterials. Over the years, the development of orthopaedic biomaterials has already advanced to a new era in the search of resorbable and/or bioactive materials. Due to its anabolic and anti-resportive properties of Sr on bone regeneration as a drug, strontium has been extensively investigated for its potential in other orthopaedic applications. The purposes of this study were to investigate strontium containing hydroxyapat

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8

Haders, Daniel Joseph. "Synthesis and characterization of TEP-EDTA-regulated bioactive hydroxyapatite." 2008. http://hdl.rutgers.edu/1782.2/rucore10001600001.ETD.17321.

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