کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9757057 | 1495290 | 2005 | 7 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
ATR-FTIR spectroscopy as a way to identify natural protein-based materials, tortoiseshell and horn, from their protein-based imitation, galalith
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: ATR-FTIR spectroscopy as a way to identify natural protein-based materials, tortoiseshell and horn, from their protein-based imitation, galalith ATR-FTIR spectroscopy as a way to identify natural protein-based materials, tortoiseshell and horn, from their protein-based imitation, galalith](/preview/png/9757057.png)
چکیده انگلیسی
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 1639Â cmâ1, attributed to the amide group involved in hydrated random-coil domains, allows us to distinguish horn from galalith and tortoiseshell. A second component, at 1614Â cmâ1, assigned to amide group involved in protein self-association, allows us to differentiate galalith and tortoiseshell. This differentiation is applicable to both raw and manufactured materials. Then, we applied our models to identify what unknown object was made of.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy - Volume 62, Issues 1â3, November 2005, Pages 532-538
Journal: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy - Volume 62, Issues 1â3, November 2005, Pages 532-538
نویسندگان
Céline Paris, Sophie Lecomte, Claude Coupry,