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Article: Biomimetic deposition of hydroxyapatite on brushite single crystals grown by the gel technique

TitleBiomimetic deposition of hydroxyapatite on brushite single crystals grown by the gel technique
Authors
KeywordsBiomimetic
Brushite
Gel Technique
Hydrothermal
Hydroxyapatite
Simulated Body Fluid
Single Crystal
Issue Date2001
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/matlet
Citation
Materials Letters, 2001, v. 49 n. 1, p. 15-19 How to Cite?
AbstractRecently, attention has been paid to the production of hydroxyapatite (HA) single crystals or whiskers for making a variety of bioactive composites as new implant materials. Brushite single crystals were grown by gel technique at room temperature by chemical reaction method using Ca(NO3)2 · 4H2O and (NH4)2HPO4 as the reactants. Sodium silicate solution was used as the gel medium. The growth parameters, such as the gel density, concentration of the two reactants and pH of the medium, were varied to optimize the suitable growth conditions of brushite crystals. Single crystals of brushite of size nearly 10 mm in length were obtained when 1 M of (NH4)2HPO4 and 2 M of Ca(NO3)2 · 4H2O were used as the inner and outer reactants, respectively. The grown crystals were used as the seed crystals for HA deposition under electrochemical hydrothermal treatment in SBF solution. Experiments were performed by varying the temperature from 80°C to 200°C, current from 25 to 150 mA, and time from 10 to 60 min. A thick layer deposition of HA was obtained at 140°C for a time interval of 30 min by passing 100-mA current. Brushite single crystals and HA-coated brushite crystals were subjected to various characterizations, such as XRD, FTIR and SEM, to confirm the HA deposition on brushite. © 2001 Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/156593
ISSN
2023 Impact Factor: 2.7
2023 SCImago Journal Rankings: 0.602
References

 

DC FieldValueLanguage
dc.contributor.authorRoop Kumar, Ren_US
dc.contributor.authorWang, Men_US
dc.date.accessioned2012-08-08T08:43:06Z-
dc.date.available2012-08-08T08:43:06Z-
dc.date.issued2001en_US
dc.identifier.citationMaterials Letters, 2001, v. 49 n. 1, p. 15-19en_US
dc.identifier.issn0167-577Xen_US
dc.identifier.urihttp://hdl.handle.net/10722/156593-
dc.description.abstractRecently, attention has been paid to the production of hydroxyapatite (HA) single crystals or whiskers for making a variety of bioactive composites as new implant materials. Brushite single crystals were grown by gel technique at room temperature by chemical reaction method using Ca(NO3)2 · 4H2O and (NH4)2HPO4 as the reactants. Sodium silicate solution was used as the gel medium. The growth parameters, such as the gel density, concentration of the two reactants and pH of the medium, were varied to optimize the suitable growth conditions of brushite crystals. Single crystals of brushite of size nearly 10 mm in length were obtained when 1 M of (NH4)2HPO4 and 2 M of Ca(NO3)2 · 4H2O were used as the inner and outer reactants, respectively. The grown crystals were used as the seed crystals for HA deposition under electrochemical hydrothermal treatment in SBF solution. Experiments were performed by varying the temperature from 80°C to 200°C, current from 25 to 150 mA, and time from 10 to 60 min. A thick layer deposition of HA was obtained at 140°C for a time interval of 30 min by passing 100-mA current. Brushite single crystals and HA-coated brushite crystals were subjected to various characterizations, such as XRD, FTIR and SEM, to confirm the HA deposition on brushite. © 2001 Elsevier Science B.V.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/matleten_US
dc.relation.ispartofMaterials Lettersen_US
dc.subjectBiomimeticen_US
dc.subjectBrushiteen_US
dc.subjectGel Techniqueen_US
dc.subjectHydrothermalen_US
dc.subjectHydroxyapatiteen_US
dc.subjectSimulated Body Fluiden_US
dc.subjectSingle Crystalen_US
dc.titleBiomimetic deposition of hydroxyapatite on brushite single crystals grown by the gel techniqueen_US
dc.typeArticleen_US
dc.identifier.emailWang, M:memwang@hku.hken_US
dc.identifier.authorityWang, M=rp00185en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/S0167-577X(00)00333-5en_US
dc.identifier.scopuseid_2-s2.0-0035339046en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035339046&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume49en_US
dc.identifier.issue1en_US
dc.identifier.spage15en_US
dc.identifier.epage19en_US
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridRoop Kumar, R=6602435898en_US
dc.identifier.scopusauthoridWang, M=15749714100en_US
dc.identifier.issnl0167-577X-

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