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首页> 美国卫生研究院文献>Molecules >Dyes from the Ashes: Discovering and Characterizing Natural Dyes from Mineralized Textiles
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Dyes from the Ashes: Discovering and Characterizing Natural Dyes from Mineralized Textiles

机译：灰烬中的染料：从矿化纺织品中发现和表征天然染料

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摘要

Vesuvius eruption that destroyed Pompeii in AD 79 represents one of the most important events in history. The cataclysm left behind an abundance of archeological evidence representing a fundamental source of the knowledge we have about ancient Roman material culture and technology. A great number of textiles have been preserved, rarely maintaining traces of their original color, since they are mainly in the mineralized and carbonized state. However, one outstanding textile sample displays a brilliant purple color and traces of gold strips. Since the purple was one of the most exclusive dyes in antiquity, its presence in an important commercial site like Pompeii induces us to deepen the knowledge of such artifacts and provide further information on their history. For this reason, the characterization of the purple color was the main scope of this research, and to deepen the knowledge of such artifacts, the SERS (Surface Enhanced Raman Scattering) in solution approach was applied. Then, these data were enriched by HPLC-HRMS analyses, which confirmed SERS-based hypotheses and also allowed to hypothesize the species of the origin mollusk. In this context, a step-by-step integrated approach resulted fundamental to maximize the information content and to provide new data on textile manufacturing and trade in antiquity.
机译：维苏威火山爆发摧毁了公元79年的庞贝古城，这是历史上最重要的事件之一。这场灾难留下了大量考古证据，这些考古证据代表了我们对古代罗马物质文化和技术的了解的基本来源。已保存了许多纺织品，很少保留其原始颜色的痕迹，因为它们主要处于矿化和碳化状态。但是，一个出色的纺织品样品显示出鲜艳的紫色和金条痕迹。由于紫色是古代最独特的染料之一，因此它在庞贝古城等重要商业场所的存在使我们加深了对此类人工制品的了解，并提供了有关其历史的更多信息。因此，紫色的表征是本研究的主要范围，并且为了加深此类伪像的知识，在解决方法中应用了SERS（表面增强拉曼散射）。然后，通过HPLC-HRMS分析丰富了这些数据，这些分析证实了基于SERS的假设，并且还可以假设起源软体动物的种类。在这种情况下，分步集成的方法从根本上最大化了信息的含量，并提供了有关纺织品制造和古代贸易的新数据。

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