Analysis of bone minerals by time-of-flight secondary ion mass spectrometry

a comparative study using monoatomic and cluster ions sources

Document identifier: oai:dalea.du.se:2692
Access full text here:10.1002/rcm.2890
Keyword: Engineering and Technology, Materials Engineering, Teknik och teknologier, Materialteknik
Publication year: 2007
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Abstract:

Time-of-flight secondary ion mass spectrometry (TOF-SIMS) is an important tool for the analysis of bone minerals at implant surfaces. Most studies have been performed with monoatomic primary ion sources such as Ga+ with poor secondary molecular ion production efficiency and only elemental distributions and minor fragments of bone minerals have been reported. By using cluster ion sources, such as Au and Bi, identification of larger hydroxyapatite species at m/z 485, 541, 597 and 653, identified as Ca5P3O12, Ca6P3O13, Ca7P3O14 and Ca8P3O15, respectively, became possible. The ions appear to be fragments of the hydroxyapatite unit cell Ca10(PO4)6(OH)2. Each ion in the series is separated by 55.9 m/z units, corresponding to CaO, and this separation might reflect the columnar nature of the unit cell. Copyright © 2007 John Wiley & Sons, Ltd.

Authors

P. Malmberg

Other publications >>

Ulf Bexell

Högskolan Dalarna; Materialvetenskap
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C. Eriksson

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H. Nygren

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K. Richter

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        identifier: oai:dalea.du.se:2692
        datestamp: 2021-04-15T12:55:13Z
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                version: 3.7
            recordInfo: 
                recordContentSource: du
                recordCreationDate: 2007-04-04
            identifier: 
                http://urn.kb.se/resolve?urn=urn:nbn:se:du-2692
                10.1002/rcm.2890
                17279603
            titleInfo: 
                @attributes: 
                    lang: eng
                title: Analysis of bone minerals by time-of-flight secondary ion mass spectrometry
                subTitle: a comparative study using monoatomic and cluster ions sources
            abstract: 
Time-of-flight secondary ion mass spectrometry (TOF-SIMS) is an important tool for the analysis of bone minerals at implant surfaces. Most studies have been performed with monoatomic primary ion sources such as Ga+ with poor secondary molecular ion production efficiency and only elemental distributions and minor fragments of bone minerals have been reported. By using cluster ion sources such as Au and Bi identification of larger hydroxyapatite species at m/z 485 541 597 and 653 identified as Ca5P3O12 Ca6P3O13 Ca7P3O14 and Ca8P3O15 respectively became possible. The ions appear to be fragments of the hydroxyapatite unit cell Ca10(PO4)6(OH)2. Each ion in the series is separated by 55.9 m/z units corresponding to CaO and this separation might reflect the columnar nature of the unit cell. Copyright © 2007 John Wiley & Sons Ltd.

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                        lang: eng
                        authority: uka.se
                    topic: 
                        Engineering and Technology
                        Materials Engineering
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                        lang: swe
                        authority: uka.se
                    topic: 
                        Teknik och teknologier
                        Materialteknik
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                    title: Rapid Communications in Mass Spectrometry
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                    1097-0231
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                                type: volume
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