[article]
| Titre : |
Sampling strategies for infrared spectroscopic studies of raw, pickled, and in-process chrome tanned bovine hides |
| Type de document : |
texte imprimé |
| Auteurs : |
Dennis C. Shelly, Auteur ; Eleanor M. Brown, Auteur |
| Année de publication : |
1999 |
| Article en page(s) : |
p. 315-321 |
| Note générale : |
Bibliogr. |
| Langues : |
Américain (ame) |
| Index. décimale : |
675.2 Préparation du cuir naturel. Tannage |
| Résumé : |
Infrared spectroscopy is a powerful research tool for studying structure and structural changes in complex biomaterials, such as animal hides and leather. Recent advances in optical design and materials have made available accessories that enable the sampling of biomaterials as liquids, gels, pastes, powders and porous solids. For this report, the Gemini, a new sampling device for Horizontal Attenuated Total Reflection (HATR) and Diffuse Reflectance (DR) FTIR spectroscopy was evaluated as an option for the study of bovine hides, in successive stages of chrome tanning. Specifically, raw, pickled and chrome sulfate-treated bovine hides were subjected to HATR FTIR analysis so that changes in collagen structure as a function of chemical treatment could be observed. Also, freeze dried hides were examined by DR FTIR in order to detect the presence and structure of collagen-chromium complexes. Comparisons of HATR and DR FTIR show that the expected chemical changes in the hide can be observed. The quality of the spectra obtained is comparable to that reported by biomedical research groups. The Gemini shows excellent versatility for in-processing hide sampling, enabling the detailed study of many truly unique chemical and biochemical phenomena of the tanning process. |
| En ligne : |
https://drive.google.com/file/d/1OqKnhFW_PX1dlceATzeV8rtURk-I5ZVM/view?usp=drive [...] |
| Format de la ressource électronique : |
Pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=4447 |
in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA) > Vol. XCIV, N° 8 (10/1999) . - p. 315-321
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Sampling strategies for infrared spectroscopic studies of raw, pickled, and in-process chrome tanned bovine hides in JOURNAL OF THE AMERICAN LEATHER CHEMISTS ASSOCIATION (JALCA), Vol. XCIV, N° 8 (10/1999)
