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1.
Reaction bonded resorbable phosphate biomaterials: production and in vitro tests
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(Biomaterials)
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The paper presents the properties of reaction-bound calcium phosphate materials obtained by pressing a paste based on ?-tricalcium phosphate followed by holding in various solutions. The phase composition, ...
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2.
Calcium phosphate powder synthesis from calcium formiate and ammonium hydro-phosphate for bio-compatible resorbable bi-phase ceramics production
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(Biomaterials)
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Calcium phosphate powder was synthesized from calcium formate Ca (CHO 2 ) 2 and ammonium hydrogen phosphate (NH 4 ) 2 HPO 4 at the Ca / P ratio in the initial aqueous solutions equal to 1. The ...
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3.
Biomaterials based on calcium phosphates and silicates mixtures: a study of possible fabrication by precipitation from water solutions
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(Biomaterials)
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The analysis of the processes of phase formation in open systems CaX 2 -M 2 NRO 4 / M 3 PO 4 -Na 2 SiO 3 -Н 2 O. According to the calculated values ??of & # 916; G crystallization, the ...
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4.
Calcium phosphate based biomaterials development. Research infoware
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(Biomaterials)
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The description of the information system containing reference information on the physicochemical, biological properties of orthophosphates, pyrophosphates and ultraphosphates of calcium is given. In addition ...
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5.
Reaction-bonded bio-resorbable composite material
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(Biomaterials)
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A number of composite materials based on dicalcium phosphate dihydrate and bioactive glass 50S25N5P with physiologically safe pH values ??and compressive strength from 4 to 22 MPa have been developed. ...
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6.
Calcium Phosphate Foam Ceramic Obtained by Firing a Powder Mixture of Hydroxyapatite-Monocalcium Phosphate Monohydrate
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(Not-set)
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The insertion into the impregnating suspension based on hydroxyapatite powder heat-treated at 800 °C, 24 wt. % of monocalcium phosphate monohydrate powder after firing at 1200 °C leads to the formation ...
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7.
Ceramics in the Са2Р2О7-Са(РО3)2 System Obtained by Firing of Cement Stone Based on β-tricalcium Phosphate and Monocalcium Phosphate Monohydrate
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(Not-set)
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Ceramics in the Ca 2 P 2 O 7 -Ca (PO 3 ) 2 was obtained by firing a cement stone made from a powder mixture containing ?-tricalcium phosphate ?-Ca 3 (PO 4 ) 2 and monocalcium phosphate monohydrate ...
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8.
Development of 3D ceramic structures with assigned architecture in Ca2P2O7-CaNa2P2O7 system
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(Science for ceramic production)
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The issues of creating three-dimensional structures of a given architecture based on pyrophosphate ceramics by the method of a removable additive are considered. The problems of filling a polymer negative, ...
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9.
Calcium-phosphate ceramics in Са(РО3)2?Са2Р2О7 system based on calcium hydrophosphates powder batch
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(Biomaterials)
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To obtain resorbable ceramics in the Ca system (PO 3 ) 2 -Ca 2 P 2 O 7 used powder mixtures prepared using mechanical activation from synthetic hydrated calcium acid phosphates Ca (H 2 PO 4 ...
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10.
Powders synthesized from calcium acetate and mixed-anion solution of phosphate- and carbonate-ions for bioceramics production
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(Biomaterials)
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From an aqueous solution of calcium acetate and a mixed-anionic (HPO 4 2- / CO 3 2- ) aqueous solution containing ammonium hydrogen phosphate and ammonium carbonate, an X-ray amorphous powder was ...
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11.
Phase composition of calcium phosphate ceramics made from nanopowders with Ca/P ratio of 1,25 obtained by mechanoactivation
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(Biomaterials)
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The processes occurring at the stages of mechanical activation of powders and firing of samples pressed from calcium phosphate nanopowders with a molar ratio of Ca / P = 1.25 have been studied. Washing ...
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12.
Bioactive ceramics based on zirconia, alumina and titania
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(Biomaterials)
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On the basis of oxides of zirconium, titanium and aluminum, a method has been developed for producing porous ceramics biocompatible with living tissues by introducing calcium phosphates into the volume ...
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13.
Composite bioceramics based on octacalcium phosphate decom-position products
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(Biomaterials)
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Composite bioceramics with a density of at least 80% of the theoretical was obtained from thermolyzed octacalcium phosphate (OCP). OCP processing temperatures were 450, 600, and 700 ° C. Ceramics were ...
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14.
3D-matrix based on bioactive glass and calcium phosphates with tailored resorbtion for bone tissue replacement.
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(Biomaterials)
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A 3D matrix was obtained based on a sintered composite material made of bioactive glass and dicalcium phosphate dihydrate. The regularities of the influence of the ratio of the mixture components and the ...
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15.
Calcium phosphate ceramics made from powders synthesized in mixed-anion solution
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(Biomaterials)
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... containing both pyro- and ammonium orthophosphate at a molar ratio (NH 4 ) < sub> 2 HPO 4 / (NH 4 ) 4 P 2O7 equal to 1. Received ceramics contains biocompatible bioresorbable phases and can be ...
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16.
Biphase ceramics in СаО - Р2О5 system synthesised from calcium acetate and ammonium hydrophosphate
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(Biomaterials)
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Biphasic ceramic containing hydroxyapatite Ca 10 (PO 4 ) 6 (OH) 2 and ? -tricalcium phosphate ? ; -Cа 3 (PO 4 ) 2 , obtained from single-phase nanocrystalline calcium phosphate powder with the ...
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17.
Multiphase material based on ceramic powders synthesised from natrium pyrophosphate and soluble calcium salts by mechanical activation
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(Biomaterials)
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Multiphase ceramics were obtained from calcium phosphate powders synthesized using mechanical activation from sodium pyrophosphate and soluble calcium salts (acetate, nitrate, chloride). Powders after ...
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18.
Porosity and solubility of bioactive calcium-phosphate glassceramics for bone endoprosthesis
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(Biomaterials)
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The issues related to the solubility of glass-crystalline materials based on calcium phosphate glasses in water and solutions imitating the physiological environment of a living organism are considered. ...
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19.
Prospects of using composite hydroxyapatite ceramic as a carrier of cultured stem cells
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(Biomaterials)
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... using fluorescence microscopy of cell adhesion and their proliferative activity on bioresorbable membrane-type substrates made of a composite material based on biogenic hydroxyapatite are also presented. ...
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20.
Properties of the calcium phosphate powder synthesized from calcium acetate and sodium hydrogen phosphate
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(Biomaterials)
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The properties of the powder synthesized from calcium acetate and sodium hydrogen phosphate were studied at the ratio [Ca 2+ ] / [PO 4 3- ] of the initial reagents equal to 1. Brushite, monetite, octacalcium ...
