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

MPG-Autoren
http://pubman.mpdl.mpg.de/cone/persons/resource/persons126855

Simon,  Paul
Paul Simon, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126820

Rosseeva,  Elena V.
Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126554

Buder,  Jana
Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

http://pubman.mpdl.mpg.de/cone/persons/resource/persons126692

Kniep,  Rüdiger
Rüdiger Kniep, Inorganic Chemistry, Max Planck Institute for Chemical Physics of Solids, Max Planck Society;

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Zitation

Vyalikh, A., Simon, P., Rosseeva, E. V., Buder, J., Kniep, R., & Scheler, U. (2014). Intergrowth and Interfacial Structure of Biomimetic Fluorapatite- Gelatin Nanocomposite: A Solid-State NMR Study. The Journal of Physical Chemistry B, 118(3), 724-730. doi:10.1021/jp410299x.


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0017-B37B-5
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 P-31, F-19, and H-1 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.