Hydroxyapatite coating by biomimetic method on titanium alloy using concentrated SBF

Bharati, Sanghamitra; Sinha, Mithilesh Kumar; Basu, Debabrata

doi:10.1007/bf02706352

Cited by 53 publications

(39 citation statements)

References 23 publications

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“…The globules appear to consist of small spherical crystals, approximately 1-2 m in diameter. The resultant surface confirms the success of biomimetic carbonate apatite coating of Ti-6Al-4V [33,34]. A subsequent heat treatment dehydrates this hydrogel layer and stabilizes it by the formation of an amorphous sodium titanate layer (HTiO 3 Na), [37].…”

Section: C-sbf Samplessupporting

confidence: 57%

Biomimetic Coating of Precalcified Ti-6Al-4V Alloy

Adawy¹,

Abdel-Fattah²,

El-Sayed³

et al. 2009

TOMDJ

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Calcium hydroxyapatite, HA, (Ca 10 (PO 4 ) 6 (OH) 2 ) bioceramics, owing to their similarity with the human bone and dentin minerals, attract significant interest for orthopaedic and dental applications. Biological apatites, on the other hand, are carbonate substituted and calcium-deficient. Biomimetic coating of titanium and related alloys with carbonated apatitic calcium phosphate is an important area of research in implantology. While this paper specifically refers to coating Ti-6Al-4V, (TAV) the obtained results are valid with other related alloys as well.An attempt was made in the current research to accelerate the biomimetic coating process through precalcification of the alkali and heat treated alloy. The precalcification resulted in a homogenous layer of calcium precursors on the surface of the alloys. Such precursors accelerated the biomimetic deposition of carbonate hydroxyapatite (CHA) coat resembling that of the biomineral apatite upon soaking in Kukubo corrected simulated body fluid (1.5 c-SBF). The development of coats on Ti-6Al-4V surfaces were assessed by step by step diffuse reflectance infra-red spectroscopy and scanning electron microscopy.The essential information of biodeposition was obtained by following the uptake or release of calcium and inorganic phosphorus, Ca, iP, ionic species biochemically and mirrored by parallel electrical conductivity measurements of the soaking solutions.

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Section: C-sbf Samplessupporting

confidence: 57%

Biomimetic Coating of Precalcified Ti-6Al-4V Alloy

Adawy¹,

Abdel-Fattah²,

El-Sayed³

et al. 2009

TOMDJ

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“…Hydroxyapatite [HA; Ca 10 (PO 4 ) 6 OH 2 ] has been widely applied to the biomaterials for bone tissue implantation due to its good biocompatibility and bioactivity as well as the similarity to the inorganic component of the hard tissues in natural bones. [1][2][3] Hydroxyapatite has also been widely used as coating materials for bone implant applications.…”

Section: Introductionmentioning

confidence: 99%

RETRACTED: Effect of fluorine ion addition on structural, thermal, mechanical, solubility and biocompatibility characteristics of hydroxyapatite nanopowders

Eslami

Solati‐Hashjin

Tahriri

2010

Advances in Applied Ceramics

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In this study, the effect of fluorine ion addition on the structural, thermal, mechanical and solubility characteristics of hydroxyapatite nanopowders was investigated. The fluorine substituted hydroxyapatite powders with compositions of Ca 5 (PO 4 ) 3 (OH) 12x F x [x50 (hydroxyapatite), x50?68 (fluorhydroxyapatite) and x50?97 (fluorapatite)] were prepared. The powders were uniaxially pressed and were formed as disc shape. Subsequently, sinterability and thermal stability of disc samples were compared together. Also the effects simultaneously of fluoride content and temperature on the lattice parameters, crystallites size, microstrain and microstructure of the samples were examined. The sintering density and flexural strength of these samples were evaluated with the sintering temperature. Finally, the in vitro dissolution studies of the apatite samples were performed at osteoclastic resorption conditions. The above mentioned experimental results showed that the fluorine content had significant impact on the sintering behaviour, densification and mechanical properties of the hydroxyapatite nanopowders.

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“…1) Therefore, the synthesis gave A-type carbonate hydroxylapatite (CHA) [29,39], which is now widely used in practical surgery [40].…”

Section: Resultsmentioning

confidence: 99%

Carbonate hydroxylapatite synthesis and crystallization on metallic implants

2014

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The work deals with the synthesis of carbonate hydroxylapatite from a prototype human synovial fluid. The process of carbonate hydroxylapatite crystallization on the alloys of different composition, roughness, and treatment techniques is studied. The quantitative characteristics measuring the efficiency of coating deposition by biomimetic synthesis from the model solution of human synovial fluid are calculated.

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Hydroxyapatite coating by biomimetic method on titanium alloy using concentrated SBF

Cited by 53 publications

References 23 publications

Biomimetic Coating of Precalcified Ti-6Al-4V Alloy

Biomimetic Coating of Precalcified Ti-6Al-4V Alloy

RETRACTED: Effect of fluorine ion addition on structural, thermal, mechanical, solubility and biocompatibility characteristics of hydroxyapatite nanopowders

Carbonate hydroxylapatite synthesis and crystallization on metallic implants

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