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Calcium phosphate ceramics with sodium‐rich calcium phosphate phases at the surface
Materialwissenschaft und Werkstofftechnik, 2013AbstractCalcium phosphate was prepared by aqueous wet‐chemical precipitation from sodium phosphate and calcium nitrate under standard conditions. By incomplete removal of the mother liquor, the by‐product sodium nitrate remained in the dried powder. Upon annealing at 1150°C, the sodium‐rich phases β‐rhenanite (NaCaPO4) and Na3Ca6(PO4)5 were formed.
Zyman, Zoltan Z. +3 more
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XRD Analysis of Calcium Phosphate and Biocomposite Calcium Phosphate/Bioresorbable Polymer
Materials Science Forum, 2006Composite biomaterials based on calcium phosphate ceramic due to their high bioactivity are of interest for biological application and bone tissue repair. Structural and microstructural parameters of inorganic constituent of these materials are very important for the synthesis and characterization of composites.
Kandić, Ljiljana +2 more
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Characterization of calcium phosphate cements modified by addition of amorphous calcium phosphate
Acta Biomaterialia, 2010In this study the influence of amorphous calcium phosphate (ACP) on the setting of, and the formed apatite crystallite size in, a calcium phosphate cement (CPC) based on alpha-tricalcium phosphate (alpha-TCP) or tetracalcium phosphate (TTCP)/monocalcium phosphate monohydrate (MCPM) was investigated.
Natasja M F, Van den Vreken +4 more
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Development of a new calcium phosphate cement that contains sodium calcium phosphate
Biomaterials, 2001A cement powder consisting of sodium calcium phosphate, Na3Ca6(PO4)5, in addition to tetracalcium phosphate and beta-tricalcium phosphate was prepared by pulverizing blocks of 4 wt% sodium-, 11 wt% carbonate-containing apatite samples that were heated at 1700 degrees C for 5 h.
Y, Doi +7 more
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Phospholipid—Calcium Phosphate Complex: Enhanced Calcium Migration in the Presence of Phosphate
Science, 1971In the presence of acidic phospholipids, inorganic phosphate greatly enhances the net migration of calcium ions from the aqueous phase to the organic phase, an effect that does not occur at less than the physiological p H.
J M, Cotmore, G, Nichols, R E, Wuthier
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Inhibition of calcium phosphate crystallization by nucleoside phosphates
Calcified Tissue Research, 1974The 5′-triphosphates of adenosine, guanosine, uridine, and cytidine inhibited the crystallization of calcium phosphate from stable supersaturated solutions that had been seeded with crystals of hydroxyapatite. Concentrations of the nucleoside triphosphates in the micromolar range were sufficient to have a significant effect on the crystal growth ...
J L, Meyer, J T, McCall, L H, Smith
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Conversion of octacalcium phosphate in calcium phosphate cements
Journal of Biomedical Materials Research, 2000This study investigated the in vitro conversion reaction in calcium phosphate cements (CPCs) containing octacalcium phosphate (OCP) as one of the reagents. OCP is known to be a precursor for apatite formation in vivo. The reaction products were characterized using infrared spectroscopy and X-ray diffraction.
E A, De Maeyer +2 more
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Stereolithography printing of bone scaffolds using biofunctional calcium phosphate nanoparticles
Journal of Materials Science and Technology, 2021Kanglai Tang, Xing Zhang
exaly