ATR-FTIR spectroscopy as a way to identify natural protein-based materials, tortoiseshell and horn, from their protein-based imitation, galalith.

@article{Paris2005ATRFTIRSA,
  title={ATR-FTIR spectroscopy as a way to identify natural protein-based materials, tortoiseshell and horn, from their protein-based imitation, galalith.},
  author={C{\'e}line Paris and Sophie Lecomte and Claude Coupry},
  journal={Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy},
  year={2005},
  volume={62 1-3},
  pages={532-8}
}
This paper presents a new totally non-destructive methodology, for the identification of protein-based materials, tortoiseshell, horn and galalith, on heritage objects. Attenuated total reflexion (ATR) infrared spectroscopy combined to a deconvolution procedure of amide I band was performed to characterize the secondary structure of these materials and allows us to identify each material. The component at 1639 cm(-1), attributed to the amide group involved in hydrated random-coil domains… CONTINUE READING

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