P-31 solution state NMR investigation of the hydrolysis of a new alkoxide sol-gel hydroxyapatite

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dc.contributor.author Green, Douglas en_US
dc.contributor.author Kannangara, Gs en_US
dc.contributor.author Milev, Adriyan en_US
dc.contributor.author Ben-Nissan, Besim en_US
dc.contributor.editor Brown S; Clarke I; Williams P en_US
dc.date.accessioned 2010-05-18T06:46:49Z
dc.date.available 2010-05-18T06:46:49Z
dc.date.issued 2002 en_US
dc.identifier 2004003547 en_US
dc.identifier.citation Green Douglas et al. 2002, 'P-31 solution state NMR investigation of the hydrolysis of a new alkoxide sol-gel hydroxyapatite', Trans Tech Publications, Zurich, Switzerland, pp. 75-78. en_US
dc.identifier.issn 1013-9826 en_US
dc.identifier.other E1 en_US
dc.identifier.uri http://hdl.handle.net/10453/6682
dc.description.abstract Previous work by these authors found that ageing was necessary to convert the starting precursors of calcium diethoxide [Ca(OEt)(2)] and triethyl phosphite [P(OEt)(3)] Sol-gel system to more reactive intermediates, These conclusions provided the impetus to examine an alternative phosphorous precursor that will not entail a 24-hour ageing period. The use of diethyl phosphite [HOP(OEt)(2)] as an alternate precursor it was possible to produce hydroxyapatite which did not require ageing of the Sol. [1]. The solution-state P-31 NMR spectroscopy was successfully applied to monitor the reaction during the ageing period that provided the vital characteristics of the alternate phosphorous precursor. However, no attempts were made to postulate mechanism(s) and identification of the intermediate species formed in these sol-gel systems. This report encompasses both these aspects; mechanism and identification of the reaction intermediates for P(OEt)3 and [HOP(OEt)(2)] sol-gel systems en_US
dc.publisher Trans Tech Publications en_US
dc.title P-31 solution state NMR investigation of the hydrolysis of a new alkoxide sol-gel hydroxyapatite en_US
dc.parent Key Engineering Materials en_US
dc.journal.volume en_US
dc.journal.number en_US
dc.publocation Zurich, Switzerland en_US
dc.identifier.startpage 75 en_US
dc.identifier.endpage 78 en_US
dc.cauo.name SCI.Faculty of Science en_US
dc.conference en_US
dc.conference Verified OK en_US
dc.conference.location California, USA en_US
dc.for 091200 en_US
dc.personcode 94069150 en_US
dc.personcode 950662 en_US
dc.personcode 0000022063 en_US
dc.personcode 760028 en_US
dc.percentage 70 en_US
dc.classification.name Materials Engineering en_US
dc.classification.type FOR-08 en_US
dc.custom Bioceramics 14 en_US
dc.date.activity 20020114 en_US
dc.location.activity California, USA en_US
dc.description.keywords sol-gel; alkoxide; hydroxyapatite; powders; nanoparticle en_US
dc.staffid 760028 en_US

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