Intergrowth and Interfacial Structure of Biomimetic Fluorapatite-Gelatin Nanocomposite : A Solid-State NMR Study

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2014
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Vyalikh, Anastasia
Simon, Paul
Bruder, Jana
Kniep, Rüdiger
Scheler, Ulrich
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The Journal of Physical Chemistry B ; 118 (2014), 3. - S. 724-730. - ISSN 1520-6106. - eISSN 1520-5207
Zusammenfassung
The model system fluorapatite–gelatin allows mimicking the formation conditions on a lower level of complexity compared to natural dental and bone tissues. Here, we report on solid-state NMR investigations to examine the structure of fluorapatite–gelatin nanocomposites on a molecular level with particular focus on organic–inorganic interactions. Using 31P, 19F, and 1H MAS NMR and heteronuclear correlations, we found the nanocomposite to consist of crystalline apatite-like regions (fluorapatite and hydroxyfluorapatite) in close contact with a more dissolved (amorphous) layer containing first motifs of the apatite crystal structure as well as the organic component. A scheme of the intergrowth region in the fluorapatite–gelatin nanocomposite, where mineral domains interact with organic matrix, is presented.
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ISO 690VYALIKH, Anastasia, Paul SIMON, Elena V. STURM, Jana BRUDER, Rüdiger KNIEP, Ulrich SCHELER, 2014. Intergrowth and Interfacial Structure of Biomimetic Fluorapatite-Gelatin Nanocomposite : A Solid-State NMR Study. In: The Journal of Physical Chemistry B. 118(3), pp. 724-730. ISSN 1520-6106. eISSN 1520-5207. Available under: doi: 10.1021/jp410299x
BibTex
@article{Vyalikh2014Inter-30215,
  year={2014},
  doi={10.1021/jp410299x},
  title={Intergrowth and Interfacial Structure of Biomimetic Fluorapatite-Gelatin Nanocomposite : A Solid-State NMR Study},
  number={3},
  volume={118},
  issn={1520-6106},
  journal={The Journal of Physical Chemistry B},
  pages={724--730},
  author={Vyalikh, Anastasia and Simon, Paul and Sturm, Elena V. and Bruder, Jana and Kniep, Rüdiger and Scheler, Ulrich}
}
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