Development of resonant laser mass spectrometry for organic trace analysis in archaeometry

考古学中有机痕量分析的共振激光质谱法的发展

• 批准号: 1018804
• 负责人: Mattanjah de Vries
• 金额: $ 22.22万
• 依托单位: University of California-Santa Barbara
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-08-15 至 2014-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1018804&HistoricalAwards=false
• 关键词: Development; resonant; laser; mass; spectrometry

With National Science Foundation support, Dr. Mattanjah de Vries and Dr. Stuart Tyson-Smith and their graduate students will develop a technique for organic tracer molecule analysis for archaeometry. Their novel approach is based on a specialized form of laser mass spectrometry or LMS. In the vast arsenal of powerful analytical chemical techniques that are routinely used in archaeometry, the majority is particularly suited to elemental analysis. On the other hand, analysis of organic compounds in archeological samples is more challenging, generally requiring combinations of techniques and often yielding less specific identifications. The LMS technique will address these problems by combining the selectivity of resonant laser spectroscopy with the sensitivity of mass spectrometry. As a result LMS is simultaneously highly specific and sensitive. The ability to detect and identify organic compounds in archeological samples is highly desirable because many types of samples can be uniquely characterized based on their organic molecular composition. Examples include food residues in pottery, affording a glimpse into what people ate or drank, resins, revealing materials used for incense, or dyes from which we can learn details on ancient coloring and manufacturing techniques as well as sources of materials and their trade routes. This project is interdisciplinary in nature, as the group of Dr. de Vries in the Department of Chemistry and biochemistry at UCSB is teaming up with the group of Dr. Tyson-Smith in the Department of Anthropology at the same university. The primary goals in this pilot study are to optimize the technique, to develop a catalogue of tracer compounds for archaeometric use, and to work with researchers in the field to facilitate further practical development of applications of the technique. The unique combination of state of the art physical chemistry techniques with topics related to anthropology and archaeology is particularly suitable for educational projects. In addition to training graduate and postgraduate students, the research will involve undergraduate students as well as high school students, in the framework of UCSB sponsored outreach programs to minority students and high schools. In an additional collaboration students will participate from Jackson State University, a historically black college. Material from this research will also be shared with the Bay Area Museum-School Online Science Learning Collaboratory Pilot Project. In a broader sense, the ability to characterize ancient materials that were previously inaccessible to such analysis will open new windows to insights in our history and culture.

在国家科学基金会的支持下，Mattanjah de Vries博士和Stuart Tyson-Smith博士及其研究生将开发一种有机示踪剂分子分析的技术。他们的新方法基于激光质谱或LMS的专业形式。在经常用于考古学的强大分析化学技术的广泛武器库中，大多数人特别适合元素分析。另一方面，考古样本中有机化合物的分析更具挑战性，通常需要技术的组合，并且通常会产生较少的特定识别。 LMS技术将通过将共振激光光谱的选择性与质谱的灵敏度相结合，以解决这些问题。结果，LMS同时具有高度特异性和敏感性。高度可取，在考古样品中检测和鉴定有机化合物的能力是可取的，因为许多类型的样品可以根据其有机分子组成的特征来唯一地表征。例子包括陶器中的食物残留物，可以瞥见人们吃或喝的东西，树脂，揭示用于香的材料或我们可以从中学习有关古代着色和制造技术的细节以及材料及其贸易路线的详细信息。该项目本质上是跨学科的，因为UCSB化学和生物化学系的De Vries博士小组正在与同一大学人类学系的Tyson-Smith博士合作。这项试验研究的主要目标是优化该技术，开发用于考古使用的示踪剂化合物目录，并与该领域的研究人员合作，以促进该技术应用的进一步实际开发。最先进的物理化学技术与人类学和考古学有关的主题的独特组合特别适合教育项目。除了培训毕业生和研究生培训外，这项研究还将涉及本科生和高中生，这是UCSB赞助的向少数族裔学生和高中的外展计划的框架。在其他合作中，学生将参加历史悠久的黑人学院杰克逊州立大学。这项研究的材料也将与湾区博物馆学校在线科学学习合作试点项目共享。从更广泛的意义上讲，表征以前无法访问的古代材料的能力将为我们的历史和文化中的见解打开新窗口。