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magnesiumdoped biphasic calcium phosphate nanopowders via




Calcium Phosphate

Types include dibasic reagent calcium phosphate hydroxide reagent calcium phosphate monobasic reagent calcium phosphate Available in package sizes ranging 100 g to 2.5 kg Features of monobasic calcium phosphate include density of 2.2 losing water of hydration at 109 degrees C decomposition at 203 degrees C solubility in water of 1.8 g per 100 cc white crystal or powder form odorless

magnesium ascorbyl phosphate Topics by Science.gov

Role of magnesium on the biomimetic deposition of calcium phosphate NASA Astrophysics Data System ADS Sarma Bimal K Sarma Bikash 2016 10 01 Biomimetic depositions of calcium phosphate CaP are carried out using simulated body fluid SBF calcifying solution and newly developed magnesium containing calcifying solution Calcium phosphate has a rich phase diagram

Morphogenesis and Tissue Engineering of and Cartilage

09 07 2004  Porous biphasic calcium phosphate ceramics coated with nano hydroxyapatite and seeded with mesenchymal stem cells for reconstruction of radius segmental defects in rabbits Mechanical Properties of Chitosan Starch Composite Filled Hydroxyapatite Micro and Nanopowders Journal of Nanomaterials Vol 2011.

Controlled Crystallization of Calcium Phosphate Apatites

04 08 2000  The growing necessity of biomaterials has increased the interest in calcium phosphates particularly apatites Small differences in stoichiometry crystallinity morphology etc could contribute to the different clinical behaviors observed so perfect control of the synthesis parameters and their influence in the characteristics of the samples is a must In the present work a crystallization

A new method for biological synthesis of agriculturally

21 10 2019  A Ca/P ratio <1.5 indicates biphasic mixtures composed of a calcium phosphate apatite and CaHPO 4 whereas that of >1.667 contains calcium phosphate apatite and Ca OH 2 53.

Nanodimensional and Nanocrystalline Calcium Orthophosphates

03 02 2012  Through we still do not exactly know why the highly intelligent animals use conformable calcium orthophosphates as their crucial biomineral for survival 6 current biomedical questions of persistent pathological and physiological mineralization in the body force people to focus on the processes including the occurrence formation and degradation of calcium orthophosphates in living

SciELO

The results indicated the formation of a biphasic calcium phosphate bioceramic comprising 67.6 of β calcium pyrophosphate β CPP and 32.1 of β tricalcium phosphate β TCP This biphasic calcium phosphate bioceramic synthesized using fish waste presented nanostructured nature with an average crystallite size of 69.58 nm which is very promising for biomedical applications.

IJMS

Oyster shells are rich in calcium and thus the potential use of waste shells is in the production of calcium phosphate CaP minerals for osteopathic biomedical applications such as scaffolds for regeneration Implanted scaffolds should stimulate the differentiation of induced pluripotent stem cells iPSCs into osteoblasts In this study oyster shells were used to produce nano grade

USB2

USB2 US15/276 293 USA USB2 US B2 US B2 US B2 US A US A US A US B2 US B2 US B2 Authority US United States Prior art keywords particles composition calcium phosphate calcium phosphate Prior art date 2015 09 25 Legal status The legal status is an

Effect of the Synthesis Parameters on the Properties of

Effect of the Synthesis Parameters on the Properties of Biphasic Ca OH HA Nanopowders for Tissue Engineering Applications Mojtaba Ansari Fathollah Moztarzadeh Faculty of Biomedical Engineering Amirkabir University of Technology Tehran Iran Abstaract Nanocrystalline hydroxyapatite was precipitated from calcium hydroxide and phosphoric acid.

Zinc doped biphasic calcium phosphate nanopowders

Zinc doped biphasic calcium phosphate nanopowders synthesized via sol gel method Gunawana b I Sopyana Suryantoa A Naqshbandia aDepartment of Manufacturing and Materials Engineering Faculty of Engineering International Islamic University Malaysia 50728 Kuala Lumpur Malaysia Email sopyan iium.edu.my

Microstructure property relations of biphasic calcium

milled using the equal amount of balls with diameters of 10 15 and 20mm The ratio of the milling media to HA powder was 3 1 by volume and the milling time was 15min 2.2 Biphasic calcium phosphate fabrication The prepared HA powder was placed into a graphite

Effect of the Synthesis Parameters on the Properties of

Nanocrystalline hydroxyapatite was precipitated from calcium hydroxide and phosphoric acid Effects of precipitation temperature and different calcium to phosphate ratios Ca/P on the obtained powders were investigated Characteriza tion of the powders was performed using XRD and FTIR spectra scanning electron microscopy and transmission electron microscopy.

science.gov

01 05 2018  The thermal stability of hydroxyapatite in biphasic calcium phosphate ceramics PubMed Nilen R W N Richter P W 2008 04 01 Biphasic calcium phosphate ceramics BCP comprisin

BIOACTIVE GLASSES

Antibacterial activity evaluation of bioactive glass and biphasic calcium phosphate nanopowders mixtures Zahra Nazemi Mehdi Mehdikhani Nahrkhalaji Masoumeh Haghbin Nazarpak Hamid Staji and Mohammad Mehdi Kalani 30 November 2016 Applied Physics A Vol 122 No 12.

Modification of titanium surface via Ag Sr

02 08 2019  The Sr and Si presence locally at the interface between the implant and via a calcium phosphate coating should stimulate formation and enhance osteointegration However further research of the antibacterial and osteotropic properties of Ag CP and Sr Si CP biocoatings for functionalization of the surface of metallic implants and biomedical application is also required.

Biomedical Engineering Research Group Conferences

I Sopyan S F Adlina S.A Mohamad  Preparation of Dense Biphasic Calcium Phosphate Ceramics Using Eggshell Derived Nano Powders Presented at  2nd International Conference on Mechanical Aerospace Engineering July 29 31 2011 Bangkok Thailand.

Hydroxyapatite and Other Calcium Orthophosphates

Sergey V Dorozhkin Moscow Russia Series Biomaterials Properties Production and Devices BISAC TEC021000 As the inorganic constituents of skeletons dentine and the enamel of teeth in all vertebrates as well as antlers of male deer calcium orthophosphates CaPO4 appear to be the key materials to sustain all life on Earth.

Ionic Substituted Hydroxyapatite Scaffolds Prepared by

Biphasic calcium phosphate consists of a bioactive mixture of HA and β TCP An optimum balance of the more stable The morphology and size of nanopowders were observed using Transmission Electron Microscope TEM 7500 with resolution of 0.2 nm operated at an accelerating

Zinc doped biphasic calcium phosphate nanopowders

Zinc doped biphasic calcium phosphate BCP powders have been synthesized via sol gel method The dopant concentration ions were adjusted at 1 2 3 5 10 and 15 mol The powders have been calcined at varying temperatures ranging from 500 900 C and then characterized by XRD FTIR TG/DTA TEM and FESEM data X ray diffraction patterns show that the phases present in Zn doped

Materials Chemistry and Physics

porous 79 nanostructured diopside/biphasic calcium phosphate BCP scaffolds with interconnected porosity were developed using various diopside contents via space holder method X ray diffraction XRD transmission electron microscopy TEM and scanning electron microscopy SEM techniques were utilized to evaluate different samples.

Citations for the paper

Citations for the paper A C TAS Combustion Synthesis of Calcium Phosphate Bioceramic Powders Journal of The European Ceramic Society 20 14 15 2389 2394 2000 1 Harabi A Zouai S A new and economic approach to synthesize and fabricate bioactive diopside ceramics using a modified domestic microwave oven Part 1 Study of sintering and bioactivity

Characterization of β tricalcium phosphate powders

Calcium carbonate and calcium dibasic phosphate powders were mixed in a roller mill for 30 min Ca/P = 1.5 Furthermore the ratio of ball to powder was of 8 1 The mechanosynthesis was carried out for 12 and 24 h with a speed of 350 rounds per minute rpm .

FTIR study on phase behavior of magnesium doped biphasic

29 06 2012  Incorporation of metal as sintering additive is a simple way to improve physical and mechanical properties of biphasic calcium phosphate BCP materials as well as its performance in biomedical applications In this work magnesium Mg was incorporated into the BCP as sintering additive to improve the properties of BCP The aim of this work was to study the effect of Mg doping to

A New Rhenanite NaCaPO4 and Hydroxyapatite Biphasic

facture of biphasic nanopowders of NaCaPO 4 and carbon ated apatitic calcium phosphate using temperatures less than 700°C Specifically the apatitic calcium phosphate powders are known to lose their carbonate ions when and if a temper ature higher than 700°C was used.67 The soluble component of these biphasic mixtures i.e NaCaPO 4

Preformed chitosan cryogel biphasic calcium phosphate a

We report a biocomposite comprised of preformed chitosan cryogel with dispersed biphasic calcium phosphate that can flow under moderate pressure allowing passage through a small gauge needle while maintaining sufficient integrity and strength during injection for gel recovery.

HA based nanocomposite for tissue engineering drug

A scaffold made from hydroxyapatite gelatin and alginate nanocomposite via titration of precursor materials calcium chloride sodium biphasic phosphate and gelatin/alginate solution was found to be an excellent material to endow the crystallinity the mechanical strength of hydroxyapatite and particle distribution on the scaffold surface for biomedical applications 104 The functional

Modification of titanium surface via Ag Sr

02 08 2019  The Sr and Si presence locally at the interface between the implant and via a calcium phosphate coating should stimulate formation and enhance osteointegration However further research of the antibacterial and osteotropic properties of Ag CP and Sr Si CP biocoatings for functionalization of the surface of metallic implants and biomedical application is also required.

Preparation and Properties of Biphasic Calcium Phosphate

30 05 2012  Roohani Esfahani et al 32 33 prepared the biphasic calcium phosphate scaffold coated with HA PCL composites and found that gaps between inorganic particles and polymer matrix could provide a channel for the penetration of water into polymer led to the pH change in SBF solution and weight loss of scaffolds however the mechanical strength of scaffolds was unsatisfactory for load

Citations for the paper

Citations for the paper A C TAS Combustion Synthesis of Calcium Phosphate Bioceramic Powders Journal of The European Ceramic Society 20 14 15 2389 2394 2000 1 Harabi A Zouai S A new and economic approach to synthesize and fabricate bioactive diopside ceramics using a modified domestic microwave oven Part 1 Study of sintering and bioactivity

Publications

Strontium substituted calcium phosphate biphasic ceramics obtained by a powder precipitation method J Mater Sci Mater Med 2004 37 Kim HW Knowles JC Kim HE Effect of biphasic calcium phosphates on drug release and biological and mechanical properties of poly e caprolactone composite membranes J Biomed Mater Res.

Zinc doped biphasic calcium phosphate nanopowders

Zinc doped biphasic calcium phosphate nanopowders synthesized via sol gel method Zinc doped biphasic calcium phosphate BCP powders have been synthesized via sol gel method The dopant concentration ions were adjusted at 1 2 3 5 10 and 15 mol .

Full density calcium phosphate bioceramics from

Full density calcium phosphate bioceramics from nanopowders by sintering which is shown to be useful in obtaining full density fine grained biphasic calcium phosphate HAp nanopowder is synthesized via hydrothermal processing of calcium phosphate precipitate.

Porous Biphasic Calcium Phosphate Granules from Oyster

31 08 2021  Porous Biphasic Calcium Phosphate Granules from Oyster Shell Promote the Differentiation of Induced Pluripotent Stem Cells Wen Fu Ho 1 Mei Hwa Lee 2 James L Thomas 3 Jin An Li 1 Shih Ching Wu 4 Hsueh Chuan Hsu 4 and Hung Yin Lin 1 1 Department of Chemical and Materials Engineering National University of Kaohsiung Kaohsiung 81148

Optimization of Synthesis Parameters for the Production of

Optimization of Synthesis Parameters for the Production of Biphasic Calcium Phosphate Ceramics via Wet Precipitation and Sol‐Gel Process

Sintering and Properties of Dense Manganese Doped Calcium

27 06 2011  Dense manganese doped biphasic calcium phosphate Mn BCP ceramics were fabricated via uniaxial pressing using the sol gel derived powders The compacted discs were sintered in ambient atmosphere with temperatures ranging from 800°C to 1400°C Manganese Mn level was varied in the range of 0.6 1.9 4.3 and 11.9 mol and its effect on physical and mechanical properties of

Synthesis characterisation and antibacterial effects of

Synthesis characterisation and antibacterial effects of sol–gel derived biphasic calcium phosphate nanopowders Zahra Nazemi1 Masoumeh Haghbin Nazarpak2 3 Mehdi Mehdikhani Nahrkhalaji4 Hamid Staji5 Mohammad Mehdi Kalani1 1Department of Material and Metallurgical Engineering Semnan University Semnan 35131 19111 Iran 2New Technologies Research Center NTRC

Publications

Strontium substituted calcium phosphate biphasic ceramics obtained by a powder precipitation method J Mater Sci Mater Med 2004 37 Kim HW Knowles JC Kim HE Effect of biphasic calcium phosphates on drug release and biological and mechanical properties of poly e caprolactone composite membranes J Biomed Mater Res.

synthesis nano biphasic calcium phosphate by untrasound

SYNTHESIS NANO BIPHASIC CALCIUM PHOSPHATE BY UNTRASOUND ASSISTED PROCESS FOR BIOMATERIAL APPLICATION Ngoc Quyen Tran 1 Cuu Khoa Nguyen 1 phosphates is a promising material for biomedical applications Biphasic calcium phosphate nanopowders mixture