Studying skin of an Egyptian mummy by infrared microscopy
Studying skin of an Egyptian mummy by infrared microscopy
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DOI：
10.1016/j.vibspec.2005.02.024
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发表时间：
2005-07-29
影响因子：
2.5
通讯作者：
Dumas, P
中科院分区：
文献类型：
--
作者：
Cotte, M;Walter, P;Dumas, P
木乃伊遗骸的保存/降解状态可以从其生化成分以及蛋白质的二级结构中推断出来。红外显微镜是解决这类问题的一种非常合适的技术。在本研究中，我们收集了一具埃及木乃伊的皮肤腿，并通过显微切开术进行了制备，并使用红外成像仪（光谱（TM）聚光灯）和同步加速器红外显微镜进行了分析。在大尺度和接近衍射极限的尺寸上进行互补分析，对了解降解状态有极大的帮助。木乃伊皮肤的外层似乎保存得更完好，在该区域收集的光谱中存在特征性的生物振动特征（特别是酰胺带）。木乃伊皮肤的主要降解产物是脂肪和草酸钙。降解过程的起源尚未完全了解。(c) 2005 Elsevier B.V.版权所有
The state of conservation/degradation of mummy human remains, can be inferred from their biochemical composition, as well as the secondary structures of proteins. Infrared microscopy is a very appropriate technique for addressing such issues. In this study, skin leg of an Egyptian mummy, was collected and prepared by microtomy, and was analysed using an infrared imager (Spectrum (TM) Spotlight) and using synchrotron infrared microscopy. Complementary analyses at both large scale and size close to the diffraction limit help tremendously for understanding the state of degradation. The external layer of mummy skin appears to be more preserved as evidenced by the presence of characteristic biological vibrational features (in particular amide bands) in spectra collected within this region. Adipocere and calcium oxalate are the main degradation products identified in the mummy skin. The origin of the degradation process is not yet fully understood. (c) 2005 Elsevier B.V. All rights reserved.