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Phosphate De Calcium Mineral

Phosphate De Calcium Mineral :

Calcium Phosphate Mineral - an overview ScienceDirect

Calcium Phosphate Mineral. Calcium phosphate minerals are common in unweathered to moderately weathered soils, however with increased weathering Ca leaches from the soil and precipitates of Al and Fe phosphates form (Pierzynski et al., 2005). From: Applied

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Introducing the crystalline phase of dicalcium phosphate ... - Nature

2020.3.24  Here, we report the synthesis and crystal structure determination of DCPM. This form of CaP is found to crystallize from amorphous calcium hydrogen phosphate

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Calcium Phosphate Mineral - an overview ScienceDirect

Hydroxyapatite (HA) is a calcium phosphate mineral with the chemical formula Ca10 (PO 4) 6 (OH) 2. HA-like compounds compose approximately 65% of bone, making it an

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Calcium phosphates for biomedical applications

2017.5.1  Resumen La historia de los fosfatos de calcio en el campo de la medicina comienza en 1769, cuando se descubre la primera evidencia de su existencia en el

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Bone mineral: new insights into its chemical composition

2019.6.11  A Unique Protonated Phosphate Group in Bone Mineral Not Present in Synthetic Calcium Phosphates: Identification by Phosphorus-31 Solid State NMR

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Calcium and Phosphate Homeostasis - Endotext - NCBI

2023.5.17  In this chapter, we review calcium and phosphate homeostasis including the critical organs involved (skeleton, parathyroids, GI tract, kidneys etc.) as well as the

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Bioactive calcium phosphate materials and applications in

2019.1.14  Calcium phosphates are minerals composed of calcium cations and phosphate anions. They are known as the major inorganic material in approximately 60%

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Biomineralization of calcium phosphate revealed

2018.11.13  Abstract. Calcium phosphate biomineralization is essential to the formation of bones and teeth, and other pathological calcifications. Unravelling the mechanism of calcium phosphate

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Calcium Phosphate SpringerLink

2023.9.12  Calcium phosphate has been widely accepted as a biocompatible material chemically resembling the mineral component of human teeth and bone and would be

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Calcium phosphates enhanced with liposomes – the future

2023.11.21  Calcium phosphate mineral makes up about 70% of the bone mass, ensuring its stability, hardness, and mechanical strength. However, a critical shortcoming

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Physiologie du calcium et des phosphates - ScienceDirect

2012.9.1  2. Métabolisme minéral2.1.Calcium [3–9] 2.1.1. Distribution et fonctions dans l’organisme2.1.1.1. Le calcium osseux. Le calcium osseux représente près de 99,9 % du calcium total du corps humain adulte (1 kg soit 25 moles).Environ 99 % de ce calcium est déposé autour de la trame osseuse protéique sous forme de cristaux d’hydroxyapatite

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Calcium orthophosphates Journal of Materials

2007.1.23  The present overview is intended to point the readers’ attention to the important subject of calcium orthophosphates. This type of materials is of the special significance for the human beings because

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Spherulitic Lead Calcium Apatite Minerals in Lead

2023.3.15  Phosphate dosing is the principle strategy used in the United Kingdom to reduce the concentration of lead in tap waters supplied by lead water pipes. The mechanisms of phosphate-mediated lead

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Physiologie du calcium et des phosphates - ScienceDirect

2012.9.1  L’homéostasie phosphocalcique est soumise à trois challenges. Le premier consiste à accumuler et maintenir un important stock osseux de phosphates de calcium qui leur confère leur résistance mécanique. Cet objectif, indépendant des apports alimentaires, repose sur : (1) l’augmentation de l’absorption intestinale phosphocalcique par ...

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Fabrication of Calcium Phosphate Coatings by the Inflight

2023.4.7  Hydroxyapatite (Ca 10 (PO 4) 6 (OH) 2) (HA) is a phase of calcium phosphate, and belongs to a family of materials called the calcium apatites (Ref 1, 2).Calcium phosphate materials differ in their ratio of calcium to phosphorous, where stochiometric HA has a calcium to phosphorous ratio of 1.67 (Ref 3, 4).The names,

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Critical and diverse roles of phosphates in human bone formation

During the 1960s, an amorphous phase termed amorphous calcium phosphate (Ca 3 (PO 4) 2 n H 2 O, ACP) was first proposed as a precursor to crystalline calcium orthophosphate minerals in pseudo physiological systems. 25 This includes HA, the major mineral component of both human bone and teeth. 26 The presence of ACP in these tissues has

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A Review of Phosphate Mineral Nucleation in Biology

2017.8.25  Phosphate concentrations in environmental (e.g., mar-ine), intracellular, or extracellular (e.g., osteoid) aqueous and calcium-containing environments are too low for spontaneous, inorganic formation of a first calcium phos-phate mineral from solution (nucleation). However, cal-cium phosphate minerals do nucleate and grow in these

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Role of Phosphate in Biomineralization Calcified Tissue

2020.7.25  Phosphate (Pi) is a vital constituent of cells and cell membranes as well as of body fluids and tissues, it is a major intracellular divalent anion, participates in many genetic, energy and intermediary metabolic pathways, and is important for bone health [1,2,3].Availability of calcium (Ca) and inorganic phosphate (Pi) in the right proportions at

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Phosphate de calcium Aliments riches en phosphore

2014.5.14  Il y a trois sources de phosphore alimentaire : les protéines animales. les végétaux. les aliments industriels avec leurs additifs. On trouve beaucoup de phosphore sous la forme de phosphates organiques dans les protéines animales : laitages, viande, volaille, poisson. Plus de la moitié du phosphore présent dans ces aliments est absorbé.

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(PDF) Biological mineralizations based on calcium phosphates

2004.10.1  Christian Rey. Biological mineralisations based on calcium phosphate. The mineral fractions of bones and teeth are non-stoichiometric apatite crystals. Their morphology, dimensions, composition ...

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Calcium Phosphate SpringerLink

2023.9.12  Calcium phosphates are classified according to their specific solubilities such as their degradation over time after it is attached and bonded to bone tissue and slowly being replaced by advancing bone growth (Fig. 3.1).Once it is exposed to bodily fluids, an exchange in the surface ions of calcium phosphate or HAp can take place with those of

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Équilibre phosphocalcique : régulation et explorations

2011.4.1  Celle-ci stimule la libération de calcium et de phosphate de l’os vers le plasma, réduit l’excrétion fractionnelle du calcium et stimule la production rénale de calcitriol qui augmente l’absorption intestinale de calcium et de phosphate. ... Effect of parathyroid hormone (1–37) on fractures and bone mineral density in post ...

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Osteopontin regulates biomimetic calcium phosphate crystallization

2020.9.24  The effect of the phosphorylation of OPN peptides on calcium phosphate mineral formation, growth, and mineralization inhibition was examined by several groups 17,41,42,43. ... de Bruyn, J. R. et ...

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Calcium phosphates for biomedical applications

2017.5.1  La historia de los fosfatos de calcio en el campo de la medicina comienza en 1769, cuando se descubre la primera evidencia de su existencia en el tejido óseo. ... Apatite was the first calcium phosphate recognized as mineral specie. It was in 1786 when Abraham Gottlob, well-known as the father of German geology, discovered this mineral.

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Calcium phosphate: What is it and what are the risks?

2022.1.21  Calcium phosphate is a compound that contains both calcium and phosphorus. It is a naturally occurring mineral that is a large component of bones and teeth. The compound has a variety of roles in ...

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Introducing the crystalline phase of dicalcium phosphate

2023.12.4  Calcium orthophosphates (CaPs) are important in geology, biomineralization, animal meta- bolism and biomedicine, and constitute a structurally and chemically diverse class of minerals.

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Minerals Free Full-Text Apatite Biominerals - MDPI

2016.4.5  Calcium phosphate apatites offer outstanding biological adaptability that can be attributed to their specific physico-chemical and structural properties. The aim of this review is to summarize and discuss the specific characteristics of calcium phosphate apatite biominerals in vertebrate hard tissues (bone, dentine and enamel). Firstly, the structural,

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The Influences of Magnesium upon Calcium Phosphate Mineral

2020.1.29  Calcium phosphate minerals are typically the solubility-limiting phase for phosphate in calcareous soils. Magnesium (Mg), despite being present in high concentrations in calcareous soils, has been largely neglected in the study of formation and stabilization of soil phosphate minerals due to the high solubility of pure Mg phosphate

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Phosphorite SpringerLink

2022.4.12  Phosphorite (calcium phosphate). Logrosán (Spain) Full size image. Considered as a cryptocrystalline variety of apatite. Main source of phosphorus. An essential nutrient for plants and animals (see: phosphorus) Assigned the status of a strategic mineral by the EU in 2017.

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Minerals Free Full-Text Review of the Main Factors

2020.12.10  The way to successfully upgrade a phosphate ore is based on the full understanding of its mineralogy, minerals surface properties, minerals distribution and liberation. The conception of a treatment process consists of choosing the proper operations with an adequate succession depending on the ore properties. Usually, froth flotation

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Crystals Free Full-Text Amorphous Calcium Phosphate

2018.6.17  Amorphous calcium phosphate (ACP) attracts attention as a precursor of crystalline calcium phosphates (CaPs) formation in vitro and in vivo as well as due to its excellent biological properties. Its formation can be considered to be an aggregation process. Although aggregation of ACP is of interest for both gaining a fundamental

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Design Strategies and Biomimetic Approaches for

2022.8.13  This physiological process is regulated by interactions of apatite precursor minerals, such as octacalcium phosphate Ca 8 H 2 (PO 4) 6 5H 2 O (OCP) and amorphous calcium phosphate Ca 3 (PO 4) 2 nH

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Inorganic phosphate in growing calcium carbonate

ARTICLE Inorganic phosphate in growing calcium carbonate abalone shell suggests a shared mineral ancestral precursor Widad Ajili 1,2,7, Camila B. Tovani1,7, Justine Fouassier 1, Marta de Frutos 3 ...

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Calcium - Medicine LibreTexts

Calcium’s Functional Roles. Calcium is the most abundant mineral in the body and greater than 99 percent of it is stored in bone tissue. Although only 1 percent of the calcium in the human body is found in the blood and soft tissues, it is here that it performs the most critical functions. Blood calcium levels are rigorously controlled so ...

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IJMS Free Full-Text Vascular Calcification: Key Roles of Phosphate ...

2021.12.17  Cardiovascular complications due to accelerated arterial stiffening and atherosclerosis are the leading cause of morbimortality in Western society. Both pathologies are frequently associated with vascular calcification. Pathologic calcification of cardiovascular structures, or vascular calcification, is associated with several diseases

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Octacalcium phosphate – a metastable mineral phase

However, there is clear evidence that collagen offers nucleation sites for calcium phosphate precipitation and guides the growing mineral structure. 35 Recently, Wang et al. demonstrated that under in vitro conditions a highly organized bone-like HAP structure can be precipitated in a dense collagen matrix without the presence of any other ...

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Determination of Phosphate by Differential

Utilisation des Plans d'Expériences Pour la Modélisation de l'Élaboration d'un Phosphate de Calcium de Propriétés Antiseptiques à Usage Biomédical. Phosphorus, Sulfur, and Silicon and the Related Elements 2006, ... Changes in Acid-phosphate Content in Enamel Mineral during Porcine Amelogenesis. Journal of Dental Research 1991, 70 (12 ...

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Phosphate Minerals in Human Tissues SpringerLink

Abstract. The mineralized or calcified tissues in biological systems are composed of two phases: organic and inorganic or mineral phases. In the invertebrates (e.g., echinoderms, mollusks, arthropods, etc.), the inorganic phase is usually calcium carbonate, CaCO 3, predominantly in the form of either calcite or aragonite or both.

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Effects of pH and Ca/P molar ratio on the quantity and

2023.11.16  Abstract – Milk and dairy products contain large amounts of calcium phosphate salts that can precipitate. The chemical composition and the crystalline structure of the calcium phosphate precipitates that are formed in dairy industry depend on the physico-chemical conditions, particularly, pH and mineral composition.

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Équilibre phosphocalcique : régulation et explorations

2011.4.1  Celle-ci stimule la libération de calcium et de phosphate de l’os vers le plasma, réduit l’excrétion fractionnelle du calcium et stimule la production rénale de calcitriol qui augmente l’absorption intestinale de calcium et de phosphate. ... The distinctive features of the eggshell, as compared to bone or teeth, are its mineral ...

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