MRI: Acquisition of a quadrupole inductively coupled plasma mass spectrometer for research and teaching on marine organisms and biogeochemistry

MRI：购买四极电感耦合等离子体质谱仪，用于海洋生物和生物地球化学的研究和教学

• 批准号: 1625599
• 负责人: Benjamin Twining
• 金额: $ 21.93万
• 依托单位: Bigelow Laboratory for Ocean Sciences
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2016
• 资助国家: 美国
• 起止时间: 2016-09-01 至 2019-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1625599&HistoricalAwards=false
• 关键词: MRI; Acquisition; quadrupole; inductively; coupled

The elements of the periodic table provide the building blocks for the earth and the organisms that inhabit it. Determining the elemental composition of organisms, along with other co-occurring environmental materials, provides valuable information for understanding basic molecular and ecological processes, determining controls on biological processes in the environment, and unraveling past environmental conditions on earth. Additionally, the elemental composition of biological and environmental samples is important information for resource managers and commercial producers. This award will fund (along with non-federal matching funds) the acquisition of a quadrupole inductively coupled plasma mass spectrometer to be used by researchers at Bigelow Laboratory for Ocean Sciences and faculty and students at nearby undergraduate colleges. The instrumentation will enable elemental measurements that will inform understanding of biogeochemical element cycling in the oceans and estuaries, as well as our knowledge of past environmental conditions and the potential response of marine species to future climate change. The instrumentation will used for both research projects and course-associated instruction for students at Bowdoin College and Colby College. Additionally, the instrumentation will provide enhanced, cutting-edge research opportunities for undergraduate students participating in Bigelow Laboratory?s on-site summer REU program and fall Changing Oceans semester program. The instrumentation will also improve research opportunities for postdoctoral researchers at the Laboratory and will enable Bigelow Laboratory to assist the local aquaculture industry with measurements of elemental composition of bivalves and macroalgae. This service will both support costs of maintaining instrumentation and enable growth of commercial output in Maine.The award will fund purchase of a quadrupole inductively coupled plasma mass spectrometer equipped with a collision cell to reduce interferences via kinetic energy discrimination. An instrument such as the Thermo iCap Qc provides an extremely stable plasma and is capable of resolving relevant analytes such as Ti-48, Cr-52 and Fe-56. The instrument is equipped with highly efficient software, self-aligning injector, cone and lens assemblies, and fits on a benchtop. The award will also fund the purchase of an ESI seaFAST automated online sample introduction system that utilizes a resin chelation column to preconcentrate trace metal analytes of interest from seawater matrix prior to analysis.

元素周期表中的元素为地球和居住在地球上的生物提供了基础。确定生物的元素组成，沿着其他共存的环境物质，为理解基本的分子和生态过程，确定对环境中生物过程的控制，以及揭示地球上过去的环境条件提供了有价值的信息。 此外，生物和环境样品的元素组成是资源管理者和商业生产者的重要信息。 该奖项将资助（沿着非联邦配套资金）购买四极电感耦合等离子体质谱仪，供毕格罗海洋科学实验室的研究人员和附近本科院校的教师和学生使用。 该仪器将使元素测量，将告知了解海洋和河口的地球化学元素循环，以及我们对过去环境条件和海洋物种对未来气候变化的潜在反应的知识。 该仪器将用于研究项目和课程相关的指导，为学生在鲍登学院和科尔比学院。 此外，仪器将提供增强，尖端的研究机会，为本科生参加毕格罗实验室？的现场夏季REU计划和秋季变化的海洋学期计划。 该仪器还将改善实验室博士后研究人员的研究机会，并使毕格罗实验室能够协助当地水产养殖业测量双壳类和大型藻类的元素组成。该服务将支持仪器维护成本，并促进缅因州商业产出的增长。该奖项将资助购买配备碰撞池的四极电感耦合等离子体质谱仪，以通过动能鉴别减少干扰。 Thermo iCap Qc等仪器可提供极其稳定的等离子体，并能够解析相关分析物，如Ti-48、Cr-52和Fe-56。 该仪器配备了高效的软件、自对准进样器、锥孔和透镜组件，并可安装在工作台上。 该奖项还将资助购买ESI seaFAST自动在线进样系统，该系统利用树脂螯合柱在分析前从海水基质中预浓缩感兴趣的痕量金属分析物。