Chemical Vapor DepoCrystal depositionBiomimeticMineral depositionFissionProcessesPorousCrystals occurCalciumCarbonateDetritalBoneSurfaceScanning electron mNanoparticlesGrainsCollagenPyriteFormationDepositsPhosphatePhosphorusSoilNitrogenThermalSignificantlyTitaniumUniformHighSyntheticPulseCommonlyStructureSourceMaterialsProcessRatesLaserFoundResultAnimalsPrimaryTechniquesPropertyProductionEarly
Chemical Vapor Depo1
- Physical Vapor Deposition (PVD) Chemical Vapor Deposition (CVD) depending on the underlying principles causing film deposition. (lesker.com)
Crystal deposition1
- Treatment of BCP crystal deposition disease with oral colchicine , an NSAID, or, if a large joint is involved, intra-articular corticosteroid ester crystal suspension is helpful. (msdmanuals.com)
Biomimetic2
- 3 ] To obtain biomimetic effect, carbonate apatite has been combined with collagen. (lww.com)
- Two non-thermal HAp coating approaches have been described in the literature, namely the biomimetic deposition and direct nanoparticle immobilization techniques. (encyclopedia.pub)
Mineral deposition3
- Data also support that that microbial degradation was enhanced in elevated CO2, but mineral deposition was also enhanced, contributing to preservation by stabilizing the. (lu.se)
- Based on comparisons with computer-generated models of known amino acid sequence of collagen, it was determined for early stages of mineral deposition that apatite is restricted by areas of high hydrophobicity. (mcmaster.ca)
- Possible interactions between hydrophobic regions and the process of mineral deposition are discussed. (mcmaster.ca)
Fission2
- Its thermal history, which is of great importance for hydrocarbon generation and migration, is studied with apatite fission track (AFT) thermochronology. (waikato.ac.nz)
- We applied apatite fission track (AFT) and (U-Th-Sm)/He (AHe) methods coupled with inverse thermal modelling on both the detrital Eocene (47 to 33 Ma) syn-orogenic Palassou conglomerates of the eastern part of the Aquitaine Basin and basement samples from the North Pyrenean Zone and the Axial Zone of the Pyrenees. (hal.science)
Processes4
- A few examples of products that would not exist, or be as effective, without vacuum thin film deposition processes. (lesker.com)
- Data from fluid inclusion and petrologic studies were combined with available thermodynamic data to create a model for ore transportation and deposition processes. (wwu.edu)
- Whatever the exact process (or combination of processes) that make uranium such a good friend of apatite, the end result is that apatite (and rocks containing it) is enriched in uranium relative to its environment. (stackexchange.com)
- The program aims to enhance the effectiveness of exploration for Canada's major mineral systems by resolving foundational geoscience problems that constrain the geological processes responsible for the liberation metals from their source region, transportation of these ore metals and control their eventual deposition. (gc.ca)
Porous2
- A porous anatase surface was found to favor apatite deposition in SBF, or in vitro bioactivity. (elsevierpure.com)
- Highly porous Apatite carbonate particles. (aimplant.ru)
Crystals occur1
- Apatite crystals occur in both the gap and overlap zones at early stages of mineralization in an asymmetric pattern that corresponds to the polarity, N- to C- orientation, of the collagen molecule. (mcmaster.ca)
Calcium6
- It can be associated with overuse, infection, systemic rheumatic disease, or metabolic disturbance such as calcium apatite or pyrophosphate deposition. (medscape.com)
- Overuse, infection, trauma, systemic rheumatic disease, and metabolic disturbance such as calcium apatite or pyrophosphate deposition can also cause bursitis. (medscape.com)
- 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)
- The mechanism is not yet completely understood, but it's most likely the incorporation of $\ce{U^4+}$ in the mineral structure of apatite, replacing calcium. (stackexchange.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)
- Because these ultramicroscopic crystals are nonacidic calcium phosphates, the term basic calcium phosphate (BCP) is much more precise than apatite . (msdmanuals.com)
Carbonate2
- 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)
- 2 ] Carbonate apatite has shown higher bone-forming ability by virtue of osteoconduction property. (lww.com)
Detrital3
- Apatite grains in heavy-mineral separates of samples from the Statfjord Formation (Triassic-Lower Jurassic, North Sea), exhibit variably corroded detrital cores and euhedral diagenetic overgrowths. (casp.org.uk)
- Compositions of detrital apatite in both formations are indistinguishable, indicating that the source areas responsible for Statfjord and Nansen deposition included similar apatite-bearing lithologies. (casp.org.uk)
- AFT ages for detrital samples are close to deposition ages, whereas AHe ages are older and younger than deposition ages and show a partial thermal resetting due to burial. (hal.science)
Bone3
- The nanotubular TiO 2 surface layers play an important role in the improvement of osseointegration through the enhancement of bone cell adhesion, differentiation, ALP activity, bone matrix deposition, apatite deposition rates [ 15 ], and hemocompatibility of Ti and Ti-based materials [ 16 - 18 ]. (hindawi.com)
- Large space between and inside the particles for osteoconduction and deposition of new bone. (aimplant.ru)
- Bone bioactivity of bioceramic-laden CMA hydrogels was assessed by incubating the hydrogels in simulated body fluid (SBF) and the results showed that incorporation of TCP and LAP resulted in a dense cauliflower like deposition of hydrocycarbonate apatite (HCA) layer on the surface of these hydrogels by day 7 suggesting that these hydrogels are bone bioactive. (fit.edu)
Surface5
- Particulate fluorides are similarly removed from the atmosphere and deposited on land or surface water by wet and dry deposition. (cdc.gov)
- Apatite was first coated on the surface of paraffin spheres of the desirable sizes. (manchester.ac.uk)
- After the paraffin spheres were dissolved and removed by cyclohexane, PLGA scaffold with controlled pore size, good interconnectivity and high porosity was obtained with apatite left on the pore surface uniformly throughout the whole scaffold. (manchester.ac.uk)
- After 28 days of immersion in Simulated Body Fluid (SBF) an apatite layer was visible on the surface of the fibres, proving their bioactivity. (ad-astra.ro)
- The c-surface exposure was realized by crystal orientation in HAP-based catalyst film, which was created by an electrochemical deposition of HAP seeds on a titanium substrate, followed by hydrothermal crystallization and peeling off of the crystalline films from the substrate. (osti.gov)
Scanning electron m1
- The scaffold and apatite coating were characterized using thermogravimetry analysis, scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffractometry. (manchester.ac.uk)
Nanoparticles1
- Post-mineralization in simulated body fluid, the NSF-SF effectively promoted apatite precipitation (Ca/P ~1.67), while the SDF-SF depicted deposition of silver nanoparticles, assessed by SEM-EDS. (tmu.edu.tw)
Grains3
- Ces équipements « innovants » nous ont ainsi permis d'approfondir nos connaissances pour comprendre (i) les mécanismes de germination / croissance impliqués lors de la synthèse solvothermale de nanoparticules d'oxydes menée en conditions sous- ou supercritiques, (ii) les réactions aux interfaces lors de l'étude des réactions autoentretenues ou des réactions d'hydratation du lithium et (iii) les mécanismes de grossissement des grains et de densification impliqués lors d'un frittage SPS. (u-bourgogne.fr)
- Apparently $\ce{U^6+}$ can also be adsorbed on apatite grains. (stackexchange.com)
- In the overlying marine deposits of the Nansen Formation, apatite grains show no evidence of either corrosion or overgrowths. (casp.org.uk)
Collagen1
- We have determined the localization of apatite within type I collagen fibrils of calcifying turkey leg tendons by both bright field and selected-area dark field (SADF) electron microscopy and have compared this to computer-modeled, chick type I collagen amino acid sequence data. (mcmaster.ca)
Pyrite1
- Ongoing thermo-chronology (e.g. apatite, biotite) and Re-Os pyrite and arsenopyrite dating at gold deposits within the Lynn Lake greenstone belt will further constrain the timing of gold deposition relative to the different stages of the Trans-Hudson orogeny. (gc.ca)
Formation7
- C'est ma volonté d'aller plus loin dans la compréhension des phénomènes associés à la « Réactivité des Solides » et, en particulier, pour maîtriser les différentes étapes conduisant à la formation d'un massif dense à microstructure contrôlée à partir d'une poudre, qui a toujours été le fil conducteur de mes activités de recherche. (u-bourgogne.fr)
- SEM images showed smooth, uniform and continuous fibre deposition with no bead formation, and fibre diameters of between 10 and 15 μm. (ad-astra.ro)
- demonstrated that the formation of an apatite layer on bioactive ceramics can be reproduced by incubating a substrate in simulated body fluid (SBF) in vitro [ 2 ] . (encyclopedia.pub)
- The mode of phosphorite formation seems to have included syngenetic deposition of phosphate under reducing, slightly alkaline conditions in shallow marine environment. (uaeu.ac.ae)
- Apatite corrosion in the Statfjord Formation is considered to be a response to leaching by acidic groundwaters during sediment storage on the fluvial floodplain. (casp.org.uk)
- Through the Statfjord Formation, authigenic apatite displays subtle variations in major-element, minor-element, and trace-element chemistry, which may find application as a tool for diagenetic correlation. (casp.org.uk)
- In this project, which will be held on the Laboratory of Electrochemical and Physicochemical Materials and Interfaces (LEPMI - Grenoble, France) under the supervision of Prof. Dr. Ricardo Pereira Nogueira and Dr. Virginie Roche, titanium substrates will be anodized to create a TiO2 nanotube layer on their surfaces, which can significantly stimulate apatite formation. (fapesp.br)
Deposits1
- But, as we mentioned earlier, apatite deposits form by the decay of dead marine animals. (stackexchange.com)
Phosphate1
- Study reports suggested that high blood level of phosphate causes vascular ossification through the deposition of Ca 2+ and substantially alters fibroblast growth factor-23 (FGF23) and calcitriol. (diabeets.com)
Phosphorus3
- At the apatite is dissolved with hydrochloric acid to create a pure phosphorus product and separate rare earth elements (REE's). (lkab.com)
- The aim of the project is to evaluate the effect of nitrogen deposition and phosphorus limitation on ectomycorrhizal communities in temperate forests. (lu.se)
- Here we estimated EMF production and turnover in response to P fertilization (applied as superphosphate) in a Norway spruce forest where nitrogen (N) deposition has resulted in phosphorus (P) limitation of plant production by using a combination of mesh bags with different incubation periods and with Bayesian inferences. (slu.se)
Soil1
- This is even used in some cases to stop uranium contamination from migrating through soil - by adding apatite to it in order to immobilise it. (stackexchange.com)
Nitrogen1
- To test how localized patches of N and P influence EMF production and turnover we amended some bags with a nitrogen source (methylene urea) or P source (apatite). (slu.se)
Thermal3
- Film deposition by thermal evaporation was first reported in 1887. (lesker.com)
- It is obvious that the thermal spray and vapor deposition techniques do not apply to most polymers, let alone low T m polymers. (encyclopedia.pub)
- Other techniques that are solution-based and non-thermal at the deposition phase eventually require a calcination step to densify and crystallize the HAp coating. (encyclopedia.pub)
Significantly1
- Apatite amendment significantly increased EMF biomass production in comparison with the pure quartz bags in the control plots but not in the P-fertilized plots. (slu.se)
Titanium1
- Commercially pure titanium implants with surfaces modified by laser beam with and without chemical deposition of apatite. (bvsalud.org)
Uniform2
- The new approach was developed to ensure a relatively uniform apatite coating on the interior pore surfaces deep inside a scaffold, even for a relatively thick scaffold with small pores. (manchester.ac.uk)
- Compared with the sheet HA coating, the acicular structure coating is dense and uniform, providing more contact area with the surrounding fluid and therefore more suitable for apatite deposition. (energy-ti.com)
High2
- Thus, P availability is generally low, even more so after forest harvesting and when N availability is high e.g. due to N deposition. (slu.se)
- Laser-ablation microprobe inductively coupled plasma mass spectrometry and wavelength-dispersive electron microprobe analysis indicate that the authigenic apatite contains high abundances (up to 3.5% total) of the rare earth elements (REE), implying a degree of REE mobilization during diagenesis. (casp.org.uk)
Synthetic1
- This study explored a new approach of apatite coating to enhance the osteoconductivity of a synthetic degradable poly(DL-lactic-co-glycolic. (manchester.ac.uk)
Pulse1
- The results show that the adhesion strength of HA coating by magnetron sputtering can reach 80 MPa, which is higher than the adhesion strength of coating prepared by hot isostatic pressing, pulse laser deposition, plasma spraying and sol-gel method (about 14MPa, 16MPa, 25MPa and 26 MPa respectively). (energy-ti.com)
Commonly1
- At present, plasma spraying and electrophoretic deposition are commonly used to prepare HA coating, the latter can be used for complex matrix coating. (energy-ti.com)
Structure1
- This accumulation of decaying organic material reduces the $\ce{U^6+}$ to $\ce{U^4+}$ , facilitating its incorporation into the apatite structure. (stackexchange.com)
Source2
- In acid forest soils such as boreal Podzols, the primary mineral apatite (the main source of P in soils), is rapidly depleted. (slu.se)
- The source of apatite need not be biogenic: it can also be sourced from igneous or hydrothermal activity occurring on the ocean floor, or derived as clastic material from the continents. (stackexchange.com)
Materials1
- The first step in the conversion of mine waste into critical raw materials is to produce an apatite concentrate. (lkab.com)
Process2
- This section, therefore, will briefly describe the most important vacuum process (technically and commercially)- thin film deposition . (lesker.com)
- We plan the process in such a way that we recover the tailings sand from the iron ore processing plants before deposition in the tailings ponds. (lkab.com)
Rates1
- The resulting magnetron sputter source's denser plasma greatly increased deposition rates and target utilization. (lesker.com)
Laser1
- L'autre temps fort de cette période se situe au niveau de la valorisation de mes travaux de recherche : (i) par l'obtention de nombreux contrats de recherche (6 ANR, 5 FUI, 5 programmes DGA, …) et (ii) par la création en 2009 du pôle Frittage Flash adossé à la plateforme FLAIR (Frittage Laser Applications Innovation et Recherche) du laboratoire. (u-bourgogne.fr)
Found1
- Apatite crystals were separated from granitic cobbles found in the conglomerates. (hal.science)
Result1
- The end result, is the deposition of apatite as phosphorites. (stackexchange.com)
Animals1
- Skeletons of dead marine animals (e.g. fish) are deposited on the ocean floor as apatite. (stackexchange.com)
Primary1
- Ore deposition occured at 250° to 350° C. A decrease in temperature is probably the primary cause of ore deposition, but an increase in pH and decrease in chloride concentration may also be important. (wwu.edu)
Techniques3
- In the past 50 years, the number of vacuum deposition techniques has multiplied and the thin film uses have grown exponentially. (lesker.com)
- Our Material Deposition Tables suggest which PVD techniques applies to what material). (lesker.com)
- Parallèlement, je me suis également investi dans la vie collective de l'UFR en devenant Directeur du Département de Chimie de 2005 à 2007, puis membre du Bureau de l'UFR Sciences et techniques de 2003 à 2006 avant de devenir Directeur adjoint de l'UFR Sciences et Techniques de 2007 à 2010 en tant qu'assesseur à la Recherche. (u-bourgogne.fr)
Property1
- An important property of apatite is that it can accommodate some uranium. (stackexchange.com)
Production1
- For this reason, we must place the apatite plants directly adjacent to LKAB's existing iron ore production facilities in Malmfälten. (lkab.com)
Early1
- 76.1 Ma) fall between the late Cretaceous (72±5 Ma) and the early Eocene (41±3 Ma) period, indicating their total annealing after deposition. (waikato.ac.nz)