MRI: Acquisition of a Multi-Collector Inductively-Coupled Mass Spectrometer

该奖项是根据2009年美国复苏和再投资法案（公法111-5）资助的。多收集器电感耦合等离子体质谱计（MC-ICPMS）将用于解决与固体地球、海洋、行星、环境、生物、医学和考古科学相关的前沿问题。该仪器不仅能够分析溶解样品溶液的精确同位素比率，而且（当连接到激光烧蚀系统时）可以对几乎任何固体材料进行现场分析，空间分辨率为10微米（X-Y方向）和亚微米深度剖面分辨率（使用新的准分子激光器）。质谱分析的这种先进能力正在对广泛的自然过程及其发生的时间尺度产生深刻的见解。布朗MC-ICPMS将成为罗德岛州同类仪器中的第一台。MC-ICPMS将服务于一个大型科学界，并将作为催化剂，促进跨部门和机构间的合作（海洋生物实验室，罗德岛大学，罗杰威廉姆斯大学和布莱恩特大学）在研究，教育和公众宣传方面的合作。布朗大学的跨学科环境确保了这种新仪器将被应用于广泛的科学问题。同位素地球化学的研究工作与下一代科学家的教育和培训密切相关。MC-ICPMS仪器将为我们的研究生和本科生以及其他机构的学生提供最先进的设施，同时促进未来科学家队伍的多样性。地质科学系和布朗大学通过NSF GK-12、EPSCOR和领导力联盟夏季研究早期识别项目，参与了一些针对社区中服务不足和代表性不足群体的科学教育推广项目。

This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5). The multi-collector inductively coupled plasma mass spectrometer (MC-ICPMS) will be used to address cutting-edge questions related to solid earth, ocean, planetary, environmental, biological, medical and archeological sciences. The instrument is capable of analyzing precise isotope ratios not only on dissolved sample solutions, but also (when attached to a laser ablation system) allows in-situ analyses of almost any solid material with a spatial resolution of 10 microns (X-Y direction) and submicron depth-profiling resolution (using new excimer lasers). Such advanced capabilities in mass spectrometry are producing profound insights into a wide range of natural processes and the time scales over which they occur. The Brown MC-ICPMS will be the first instrument of its kind in the state of Rhode Island. The MC-ICPMS will serve a large science community and will function as a catalyst to foster inter-departmental and inter-institutional collaborations (Marine Biological Laboratories, University of Rhode Island, Roger Williams University and Bryant University) in research, education, and public outreach. The interdisciplinary environment at Brown University ensures that this new instrument will be applied to a broad array of scientific problems. Research efforts in isotope geochemistry are intimately linked with the education and training of the next generation of scientists. The MC-ICPMS instrument will provide our graduate and undergraduate students and those from other institutions access to state-of-the-art facilities and at the same time foster diversity among the ranks of future scientists. The Department of Geological Sciences and Brown University through the NSF GK-12, EPSCOR and Leadership Alliance Summer Research Early Identification Programs, are involved in a number of science education outreach programs that target under-served and under-represented groups in the community.