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Article
Nanocrystalline Calcium Carbonate Hydroxyapatites Containing Multiwall Carbon Nanotubes: Synthesis and Physicochemical Characterization
Nanocomposites (NCs) based on carbonated calcium hydroxyapatite (CHA) (bioapatite, an analogue of the inorganic component of mammalian bone tissue), carbonate apatite (Ca10(PO4)6CO3, CA), and multiwall carbon nan...
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Article
Coprecipitation of calcium hydroxyapatite, graphene oxide, and chitosan from aqueous solutions
We determined the character of interactions between calcium hydroxyapatite Са10(РO4)6(ОН)2 (HA), graphene oxide (GO), and chitosan (С6Н11NO4) n (CHT) to yield HA/CHT/GO nanocomp...
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Article
Calcium hydroxyapatite in hydroxyapatite/graphene oxide/collagen nanohybrids
Interactions between calcium and phosphorus salts, graphene oxide (GO), and collagen (COL) in aqueous solutions have been studied in the CaCl2–(NH4)2HPO4–NH3–H2O–GO–COL system (25°C) using the solubility (residua...
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Article
Synthesis and physicochemical characteristics of the calcium hydroxyapatite/graphene oxide hybrid nanocomposite
The system CaCl2-(NH4)2HPO4-NH3-H2O-graphene oxide (25°C) was studied by the solubility method (Tananaev’s residual concentration method) and by pH measurements and was used to model in vitro the biomineralizatio...
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Article
Synthesis and physicochemical characteristics of calcium hydroxyapatite/multiwall carbon nanotubes/collagen nanocomposites
Calcium hydroxyapatite/multiwall carbon nanotubes/collagen nanocomposites were synthesized and subjected to physicochemical analysis. The system CaCl2-(NH4)2HPO4-multiwall carbon nanotubes-NH3-H2O-collagen was in...
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Article
Synthesis and physicochemical characterization of nanocomposites of calcium hydroxylapatite-chitosan-multiwall carbon nanotubes
The synthesis and physicochemical characterization of nanocomposites of calcium hydroxylapatite-chitosan-multiwall carbon nanotubes (CNTs) was performed. The CaCl2-(NH4)2HPO4-(C6H11NO4) n ...
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Article
Synthesis and physicochemical properties of calcium hydroxylapatite/multi-walled carbon nanotubes nanocomposites
Calcium hydroxylapatite/carbon nanotubes (HA/CNT) composites with various CNT contents have been synthesized by coprecipitation from aqueous solutions in the CaCl2-(NH4)2HPO4-NH3-CNT-H2O system (25°C) under condi...
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Article
Synthesis and physicochemical characterization of nanocrystalline chitosan-containing calcium carbonate apatites
The CaCl2-(NH4)2HPO4-NH4HCO3-(C6H11NO4) n -H2O system at 25°C has been investigated by the solubility (Tananaev’s residual concentration) method and pH measurements. Coprecipitat...
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Article
Synthesis and physicochemical study of nanocrystalline magnesium-containing calcium hydroxylapatites and chitosan
The interaction in the CaCl2-MgCl2-(NH4)2HPO4-NH3-H2O and CaCl2-MgCl2-(NH4)2HPO4-(C6H11NO4) n -NH3-H2O systems at 25°C has been investigated by the solubility (Tananaev’s residua...
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Article
Gelatin-containing calcium hydroxyapatites: Synthesis and physicochemical characterization
The CaCl2-(NH4-)2HPO4-NH3-H2O-gelatin system was studied at 25°C using the solubility (residual concentrations) method. Stoichiometric nanocrystalline (11–15.4 nm) gelatin-containing calcium hydroxyapatites (HAs)...
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Article
Synthesis and Physicochemical Study of Chitosan-Containing Calcium Hydroxylapatites
The CaCl2-(NH4)2HPO4-(C6H11NO4)n-NH3-H2O system at 25°C was studied by the solubility (Tananaev’s residual concentrations) technique and pH measurements. The parameters providing for the coprecipitation of nanocr...
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Article
Lysine-containing calcium hydroxylapatite: Synthesis and physicochemical characterization
The CaCl2-(NH4)2HPO4-NH2(CH2)4NH2CHCOOH-NH3-H2O system at 25°C is studied using Tananaev’s solubility (residual concentrations) method and pH measurements. Lysine-containing calcium hydroxylapatite Ca10(PO4)6(OH)
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Article
Synthesis and physicochemical characterization of carboxymethylcellulose-containing calcium hydroxylapatite
The CaCl2-(NH4)2HPO4-C8H11O7Na-NH3-H2O system was studied at 25°C using the solubility method (Tananaev’s residual concentration method) and pH measurements. The solid phases isolated from the system were charact...
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Article
Hydroxyapatite-Carboxymethyl Cellulose Nanocomposite Biomaterial
An organic-mineral composite of hydroxyapatite (Ca10(PO4)6(OH)2) nanoparticles and carboxymethyl cellulose (CMC) is synthesized via coprecipitation from a solution containing CaCl2, aqueous ammonia, (NH4)2HPO4, a...