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Calcium Phosphates

Long and short range order structural analysis of In-situ formed biphasic calcium phosphates

Long and short range order structural analysis of In-situ formed biphasic calcium phosphates

... Background: Biphasic calcium phosphates (BCP) have attracted considerable attention as a bone graft substitute. In this study, BCP were prepared by aqueous co-precipitation and calcination method. The ...

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In Vitro Investigation of Bioactive Glass Ceramic Composites Based on Biogenic Hydroxyapatite or Synthetic Calcium Phosphates

In Vitro Investigation of Bioactive Glass Ceramic Composites Based on Biogenic Hydroxyapatite or Synthetic Calcium Phosphates

... The investigation results for the total porosity and its open and closed fractions are presented in Fig. 5. As seen, the total porosity of samples is 32.5–34.5% and practically does not depend on the type of phosphate ...

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Immobilization of cesium from aqueous solution using nanoparticles of synthetic calcium phosphates

Immobilization of cesium from aqueous solution using nanoparticles of synthetic calcium phosphates

... synthetic calcium phosphates with either apatite or whitlockite- type structures were investigated using the sorption process from aqueous solution and further heating to 700 ...

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Precipitation of Calcium Phosphates in the Presence of Collagen Type I on Four Different Bioactive Titanium Surfaces: an in Vitro Study

Precipitation of Calcium Phosphates in the Presence of Collagen Type I on Four Different Bioactive Titanium Surfaces: an in Vitro Study

... One in vitro model extensively used to investigate bone formation is immersion of the biomaterial in simulated body fluids (SBF), solutions with ion concentrations approximately equal to those of human blood plasma ...

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The nature of precipitated calcium phosphates

The nature of precipitated calcium phosphates

... for detailed study. PRECIPITATED HYDROXYAPAT1TE.-AII attempt was made to prepare a sample of hydroxyapatite using a modification of the slow crystallization process describ[r] ...

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Calcium phosphates and silicon: exploring methods of incorporation

Calcium phosphates and silicon: exploring methods of incorporation

... Cell proliferation results demonstrated a clear differ- ence between the different concentrations of Si used in our study, however no relevant differences were ob- served among the three addition methods used. Cells ...

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Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering

Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering

... estimate that the heating rates during exposure to the laser beam range from 2600 to 3300 ˚C/s. At first glance these high temperatures are not an encouraging finding for clinical use, especially considering that the ...

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Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering

Sintering of calcium phosphates with a femtosecond pulsed laser for hard tissue engineering

... binding of the calcium phosphate particles without altering them. While in the work of Elmadani et al. [13] a 2.5 GHz repetition rate femtosecond laser, emitting at 1525 nm, was used to demonstrate the densi fi ...

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Iron, Copper, and Nickel Removal with Calcium Hydrogen Phosphate and Calcium Pyrophosphates in Solution

Iron, Copper, and Nickel Removal with Calcium Hydrogen Phosphate and Calcium Pyrophosphates in Solution

... These calcium phosphates were used to remove trivalent iron cation, Fe 3+ in ...these calcium phosphates and stirring for 5 minutes, a high ratio of iron cation was removed from the ...of ...

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Bioactive calcium phosphate materials and applications in bone regeneration

Bioactive calcium phosphate materials and applications in bone regeneration

... multiphasic calcium phosphates exist in a form that is not separated because each component is homogeneously and intimately mixed at the submi- cron level ...of calcium phos- phates was first ...

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Bone Remodeling, Biomaterials And Technological Applications: Revisiting Basic Concepts

Bone Remodeling, Biomaterials And Technological Applications: Revisiting Basic Concepts

... Calcium phosphates can be manufactured on micro- porous (dense) or macroporous ...Macroporous calcium phosphates, on the other hand, present 100 μm to 500 μm diameter pores, which comprise 15% ...

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Graphene based scaffolds effects on stem cells commitment

Graphene based scaffolds effects on stem cells commitment

... CaP: Calcium phosphates; CNMs: Carbon nanomaterials; CNS: Central nervous system; CNT: Carbon nanotube; CS: Calcium silicate; dox: Doxycycline; ECM: Extracellular matrix; ESCs: Embryonic stem cells; ...

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“Effect of Carbon and Nitrogen Source for the Production of Alkaline Phosphatase from Proteus vulgaris” by Mahesh. M, Somashekhar. R, Puttaiah.E.T, India.

“Effect of Carbon and Nitrogen Source for the Production of Alkaline Phosphatase from Proteus vulgaris” by Mahesh. M, Somashekhar. R, Puttaiah.E.T, India.

... organic phosphates like adenosine tri phosphate, pNPP and inorganic phosphates like sodium phosphate, potassium phosphate and calcium phosphates of concentration like ...inorganic ...

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Porous calcium phosphate granules for biomedical applications

Porous calcium phosphate granules for biomedical applications

... Biological apatites differ from stoichiometric HA in several respects, including non-stoichiometry, small crystal dimensions and low degree of structural order. Biological apatites are indeed carbonated apatites, and ...

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Coatings as the useful drug delivery system for the prevention of implant-related infections

Coatings as the useful drug delivery system for the prevention of implant-related infections

... biomechanical properties, β-TCP seemed to be more suitable for drug release. Another coatings comprised of HA and TCP were defined as bi-phasic calcium phosphates (BCP). More ions dissolved in the BCP in ...

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Multifunctional materials for bone cancer treatment

Multifunctional materials for bone cancer treatment

... Expected applications are bone cancer treatment by using composite materials based on col­ lagen and calcium phosphates, skin cancer treatment by using collagen­based polymeric materia[r] ...

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Novel Layered Materials  Phosphates pdf

Novel Layered Materials Phosphates pdf

... layered phosphates has moved from the study of their ion exchange properties to that of their intercalation properties in great part determined by the presence of Br + nsted acid groups in the interlayer ...

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Modern technologies of complex processing 
		of phosphates

Modern technologies of complex processing of phosphates

... complex phosphates processing technology it should be taken into account that apatite minerals are the main source of phosphorus in the modern industry, and its processing technology must ensure maximum extraction ...

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Influence of phosphate ions on buffer capacity of soil humic acids

Influence of phosphate ions on buffer capacity of soil humic acids

... The amount of phosphorus available for plants in natu- ral soil is usually insufficient (Wei et al., 2009), which ne- cessitates fertilization by artificial phosphorus compounds. The optimal soil conditions for plants to ...

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Inositol Phosphates and their Biological Effects

Inositol Phosphates and their Biological Effects

... inositol phosphates can be applied in treatment of inflammatory diseases and cancer and in combination with inositol are promising for use in clinical ...inositol phosphates have great potential in ...

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