globalchange  > 过去全球变化的重建
DOI: 10.1371/journal.pone.0132827
论文题名:
Different Types of Peptide Detected by Mass Spectrometry among Fresh Silk and Archaeological Silk Remains for Distinguishing Modern Contamination
作者: Li Li; Yuxuan Gong; Hao Yin; Decai Gong
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-7-17
卷: 10, 期:7
语种: 英语
英文关键词: Silk ; Peptides ; Archaeology ; Archaeological excavation ; Chlorides ; Chymotrypsin ; Crystal structure ; Paleoanthropology
英文摘要: Archaeological silk provides abundant information for studying ancient technologies and cultures. However, due to the spontaneous degradation and the damages from burial conditions, most ancient silk fibers which suffered the damages for thousands of years were turned into invisible molecular residues. For the obtained rare samples, extra care needs to be taken to accurately identify the genuine archaeological silk remains from modern contaminations. Although mass spectrometry (MS) is a powerful tool for identifying and analyzing the ancient protein residues, the traditional approach could not directly determine the dating and contamination of each sample. In this paper, a series of samples with a broad range of ages were tested by MS to find an effective and innovative approach to determine whether modern contamination exists, in order to verify the authenticity and reliability of the ancient samples. The new findings highlighted that the detected peptide types of the fibroin light chain can indicate the degradation levels of silk samples and help to distinguish contamination from ancient silk remains.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0132827&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/21139
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Basic Research Center of Heritage Conservation Science, Department for History of Science and Scientific Archaeology, University of Science and Technology of China, Hefei, China 230026;Basic Research Center of Heritage Conservation Science, Department for History of Science and Scientific Archaeology, University of Science and Technology of China, Hefei, China 230026;Hefei National Laboratory for Physical Sciences at Microscale, University of Science and Technology of China, Hefei, China 230026;Basic Research Center of Heritage Conservation Science, Department for History of Science and Scientific Archaeology, University of Science and Technology of China, Hefei, China 230026

Recommended Citation:
Li Li,Yuxuan Gong,Hao Yin,et al. Different Types of Peptide Detected by Mass Spectrometry among Fresh Silk and Archaeological Silk Remains for Distinguishing Modern Contamination[J]. PLOS ONE,2015-01-01,10(7)
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