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ApatitesCalcium CarbonateCarbonatesBone SubstitutesCalcium PhosphatesMechanical PhenomenaUrinary CalculiMaterials TestingMicroscopy, Electron, ScanningSpectroscopy, Fourier Transform InfraredX-Ray DiffractionLithium CarbonateDurapatiteHydroxyapatitesBiomimetic MaterialsCalcification, PhysiologicAmelogeninBiocompatible MaterialsMineralsCrystallizationMatrix Metalloproteinase 20
HydroxyapatiteCrystalsCollagenPhosphateScaffoldCrystallinityMineralHydroxylBiologicalIncorporationScaffoldsChitosanSyntheticBaddeleyiteCrystallizationCalciteHardnessFluorapatiteChloritePhosphoriteAmorphousMinerals includeBiomineralizationTemperatureChemistryFluorideOsteoclastZincAqueousCompositionIntermediateToothContentMatrixHigherSimilarChemicalFormMinorHigh
Hydroxyapatite4
  • Morgan, H. , Wilson, R.M. , Elliott, J.C. , Dowker, S.E.P. and Anderson, P. (2000) Preparation and characterisation of monoclinic hydroxyapatite and its precipitated carbonate apatite intermediate. (kingston.ac.uk)
  • Apatite is the name given to a group of phosphate minerals, usually referring to hydroxylapatite (or hydroxyapatite ), fluoroapatite (or fluorapatite ), and chloroapatite (or chlorapatite ). (newworldencyclopedia.org)
  • We show that the atmospheres of the Mesozoic, known to be elevated in both CO2 and with temperatures above present levels, may have contributed to the preservation of these soft tissues by facilitating rapid precipitation of hydroxy-or carbonate hydroxyapatite, thus outpacing natural degradative processes. (lu.se)
  • Most pathologic calcifications throughout the body contain mixtures of carbonate-substituted hydroxyapatite and octacalcium phosphate. (msdmanuals.com)
Crystals7
  • In some cases, crystals of apatite have been cut and used as gems. (newworldencyclopedia.org)
  • It should be noted that phosphate, arsenate, and vanadate minerals with similar crystalline structures (hexagonal or pseudohexagonal monoclinic crystals) are known as the Apatite Group. (newworldencyclopedia.org)
  • Ameloblastin-rich enamel matrix favors short and randomly oriented apatite crystals. (rochester.edu)
  • Pregnant and lactating mice that are normal and hypophosphatemic showed changes in the chemistry and misalignment of the apatite crystals that can be related to changes in remodelling rates associated with different calcium demand during pregnancy and lactation. (iucr.org)
  • Bone is a complex inorganic-organic hybrid material, comprising nano-sized carbonate apatite crystals mineralizing a collagen matrix. (iucr.org)
  • Increasing the carbonate content of bone apatite crystals is expected to have consequences for their physical properties and functionality. (iucr.org)
  • Because these ultramicroscopic crystals are nonacidic calcium phosphates, the term basic calcium phosphate (BCP) is much more precise than apatite . (msdmanuals.com)
Collagen6
  • Such components include collagen, carbonate and apatite. (wikipedia.org)
  • A combination of calcium phosphate-based mineral with carbon apatite structure and type 1 collagen derived from bovine Achilles tendon has been introduced for augmentation of alveolar ridge and periodontal defects. (lww.com)
  • 3 ] To obtain biomimetic effect, carbonate apatite has been combined with collagen. (lww.com)
  • Then, using FTIR spectra and the map, the collagen content and ratios corresponding to matrix maturity, mineralization, carbonate substitution, acid phosphate substitution, and crystallinity were calculated. (hindawi.com)
  • The biochemical analysis showed that the bone with an SF presented a bone immaturity characterized by a higher content of collagen, lower matrix maturity, mineralization, carbonate and acid phosphate substitutions, and greater crystallinity compared to the healthy bone, being checked by the ratio analysis and biochemical mapping. (hindawi.com)
  • Bioglass/ Carbonate Apatite/ Collagen Composite Scaffold Dissolution Products Promote Human Osteoblast Differentiation. (spinalelements.com)
Phosphate7
  • A relatively unique form of apatite-in which most OH groups are absent and containing many carbonate and acid phosphate substitutions-is a large component of bone material. (newworldencyclopedia.org)
  • Phosphorite contains calcium phosphate mixed with limestone (calcium carbonates) minerals and apatite-a mineral with high phosphate and fluoride content. (cdc.gov)
  • Barnes DH, Jugdaosingh R, Kiamil S, Best SM (2 011) Shelf Life and Chemical Stability of Calcium Phosphate Coatings Applied to Poly Carbonate Urethane Substrates. (omicsonline.org)
  • The core, intermediate and surface envelopes consist in calcium phosphate apatite associated with whitlockite and amorphous carbonated calcium phosphate, all clarified by Fourier Transform InfraRed spectroscopy. (academie-sciences.fr)
  • Present study evaluated the feasibility of apatite monolith preparation from calcium sulfate monolith using ammonium phosphate solution. (elsevierpure.com)
  • It was the most cited journal article of the year and showed how injecting a paste of monocalcium phosphate, tricalcium phosphate, calcium carbonate and a sodium phosphate solution into a damaged bone created an effective cement. (saveourbones.com)
  • Basic calcium phosphate (apatite) and calcium oxalate crystal disorders tend to cause clinical manifestations similar to those of other crystal-induced arthritides. (msdmanuals.com)
Scaffold1
  • An innovative biomimetic apatite hierarchically structured in parallel fastened hollow microtubules has been synthesized, structurally characterized and proposed as a new inorganic biomorphic scaffold providing a biomimetic nanostructure surface for fascinating bone engineering applications. (rsc.org)
Crystallinity2
  • The results indicate that hypophosphatemic mice have increased bone remodelling, increased carbonate content and decreased crystallinity of the bone mineral, as well as increased misalignment of crystallites within the bone tissue. (iucr.org)
  • Prepared apatite was B-type carbonate apatite with low crystallinity. (elsevierpure.com)
Mineral1
  • Although mechanical strength of the apatite monolith was lower than original calcium sulphate monolith, we concluded present method may be useful for the fabrication of apatite monolith since we can prepare different shape of apatite monoliths based on the setting reaction of calcium sulphate and compositional transformation to apatitic mineral. (elsevierpure.com)
Hydroxyl2
  • Hydroxylapatite is the hydroxyl endmember of the apatite group. (newworldencyclopedia.org)
  • XRD and SEM/ EDS analysis showed that the geopolymers containing calcium hydroxide and calcium silicate formed hydroxyl apatite (HA) and carbonate hydroxyl apatite (HCA) after their exposure to SBF, indicating a degree of bioactivity. (vuw.ac.nz)
Biological2
  • Apatite is one of few minerals that are produced and used by biological systems. (newworldencyclopedia.org)
  • They were found alongside graphite and the minerals apatite and carbonate, which are found in biological matter including bones and teeth and are frequently associated with fossils. (ens-newswire.com)
Incorporation1
  • Incorporation of chitosan and carbonate apatite (CA) improve its capability. (ejournals.ca)
Scaffolds2
  • Carbonate apatite-chitosan scaffolds (CA-ChSs) were fabricated using the lyophilization technique. (unair.ac.id)
  • The purpose of this study was to fabricate and evaluate the osteogenic potential diferentiation of human amnion mesenchymal stem cell with carbonate apatiteâ€"chitosan scaffolds (CA-ChSs) for tissue engineering. (ejournals.ca)
Chitosan1
  • CA-ChSs were fabricated by adding 100 mg carbonate apatite (CA) to 200 mg chitosan gels followed by freeze-drying (CA 100 ChSs 200 ). (unair.ac.id)
Synthetic2
  • Among the various bone grafting materials available for augmentation, synthetic carbonate apatite, which has composition similar to that of native autogenous bone, has gained clinical attention. (lww.com)
  • Quantitative analysis of early in vivo tissue response to synthetic apatite implants. (spinalelements.com)
Baddeleyite1
  • We have methods set up for precise U-Pb ages for a number of uranium bearing accessory minerals such as zircon, monazite, baddeleyite, rutile, titanite and apatite among others. (lu.se)
Crystallization2
Calcite1
  • Organisms use a wide variety of minerals to make their skeletons, including silica, apatite, and several polymorphs of carbonate, in particular aragonite and calcite. (wordinfo.info)
Hardness1
  • Apatite has a hardness of 5 on the Mohs scale , and its specific gravity is between 3.1 and 3.2. (newworldencyclopedia.org)
Fluorapatite1
Chlorite1
  • The first involved the alteration of breccia fragments to fine-grain quartz, sericite, chlorite, and carbonates. (wwu.edu)
Phosphorite1
Amorphous1
  • In this study, we reveal for the first time the chemical composition of the exoskeleton of Daphnia magna, using Raman spectroscopy , to be composed of α-chitin and proteins with embedded amorphous calcium carbonate (ACC). (nature.com)
Minerals include1
  • Other groundmass minerals include spinel, perovskite, and apatite set in a base of carbonate and serpentine. (rice.edu)
Biomineralization1
  • SM50 Repeat- Polypeptides self-assemble into discrete matrix subunits and promote appositional calcium carbonate crystal growth during sea urchin tooth biomineralization. (rochester.edu)
Temperature3
  • Geologists have used a radiometric dating technique (known as fission track dating) with natural deposits of apatite to get a sense of historical changes in temperature in mountain-forming belts and sedimentary basins. (newworldencyclopedia.org)
  • This paper examines the chemical stability of CaP coatings that were applied to a poly carbonate urethane (PCU) substrate by an aqueous, low temperature technique. (omicsonline.org)
  • However, CO3Ap artificial bone substitute still has not been commercialized due to the low thermal stability of carbonate at high temperature. (usm.my)
Chemistry1
  • His research over the past 34 years has covered several aspects of cariology (study of tooth decay) including fluoride mechanisms of action, caries risk assessment, de- and remineralization of the teeth, apatite chemistry, salivary dysfunction, caries (tooth decay) prevention, and laser effects on dental hard tissues with emphasis on caries prevention and early caries removal. (ucsf.edu)
Fluoride1
Osteoclast1
  • Osteoclast and Osteblast Activities on Carbonate Apatite Plates in Cell Cultures. (spinalelements.com)
Zinc1
  • To date the MOLS team and the Scanmobile have processed samples from calcium carbonates (and oxides), low-grade nickel, silver, gold, copper and zinc, and apatite ores. (e-mj.com)
Aqueous1
  • Five 100 g batches of a carbonate apatite (the intermediate) were produced by heating an aqueous slurry of CaCO3 and CaHPO4 with an overall Ca/P mole ratio of 5/3 with vigorous stirring. (kingston.ac.uk)
Composition1
  • Carbonate apatite (CO3Ap) has been received much attention in bone grafting due to similar chemical composition to human bone. (usm.my)
Intermediate1
  • Each intermediate produced by boiling off water was heated in vacuum at 1100°C to remove carbonate, then steamed at 900°C to ensure complete hydroxylation. (kingston.ac.uk)
Tooth1
  • In particular, hydroxylapatite is the main constituent of tooth enamel, and a special form of apatite is found in bone . (newworldencyclopedia.org)
Content1
  • carbonate content were successfully fabricated by NaHCO3 solution. (usm.my)
Matrix1
  • Although all types of urinary stones can potentially form staghorn calculi, approximately 75% are composed of a struvite-carbonate-apatite matrix. (medscape.com)
Higher1
  • 2 ] Carbonate apatite has shown higher bone-forming ability by virtue of osteoconduction property. (lww.com)
Similar1
  • The name apatite is derived from a Greek word that means "to deceive," because it appears similar to other minerals, particularly olivine , beryl , and peridot. (newworldencyclopedia.org)
Chemical1
Form1
  • Apatite is distributed widely in igneous , metamorphic , and sedimentary rocks, often in the form of cryptocrystalline fragments. (newworldencyclopedia.org)
Minor2
  • The area is predominated by the Late Cretaceous carbonates with minor bedded cherts and phosphorites of the Ajlun and Belqa Groups. (researchgate.net)
  • A later stage during which minor carbonate veins formed is also recognized. (wwu.edu)
High1