Early Career: Instrument and Technician Support for the Isotopic Analysis of Individual Organic Compounds in the Earth System

早期职业：地球系统中单个有机化合物同位素分析的仪器和技术人员支持

• 批准号: 1349539
• 负责人: Susan Lang
• 金额: $ 9.99万
• 依托单位: University of South Carolina at Columbia
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-05-01 至 2015-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1349539&HistoricalAwards=false
• 关键词: Early; Career; Instrument; Technician; Support

This grant from the Division of Earth Sciences Instrumentation and Facilities program will support the purchase of a peripheral device to be coupled to existing instrumentation shared by Earth science researchers at the University of South Carolina. The instrumentation will provide new analytical capabilities allowing the characterization of isotopic composition of specific organic compounds, which can then be used to better understand processes such as microbial physiology, global biogeochemical cycles and ancient climates. The availability of this instrumentation will provide researchers to enhance their ongoing research, and also provide essential hands-on training to students. The instrumentation will be used as an educational tool to expand on ?textbook? knowledge presented in undergraduate studies, and will be used in a NSF-sponsored Research Experience for Undergraduates (REU) program. Specifically, the researchers will acquire a gas chromatograph (GC) peripheral for the operation of a gas-chromatograph-combustion-isotope ratio mass spectrometer (GC-c-IRMS). The integration of a GC front-end peripheral to an existing IRMS instrument will allow the isolation of specific compounds for individual isotopic analysis, which are otherwise masked by ?bulk? analysis of organic matter. The combined instrumentation will advance research in quantifying the amount of bacterially-produced refractory organic matter in the ocean, identifying the activities of belowground microbial communities, and investigating microbial processes in Arctic permafrost.

地球科学仪器和设施项目司的这笔赠款将支持购买外围设备，以与南卡罗来纳大学地球科学研究人员共享的现有仪器相连接。该仪器将提供新的分析能力，能够表征特定有机化合物的同位素组成，然后可用于更好地了解微生物生理学、全球生物地球化学循环和古代气候等过程。 该仪器的可用性将为研究人员提供加强他们正在进行的研究的能力，并为学生提供必要的实践培训。 该仪器将用作教育工具来扩展“教科书”的内容。本科学习中介绍的知识，并将用于 NSF 资助的本科生研究体验 (REU) 计划。具体来说，研究人员将购买一台气相色谱仪 (GC) 外围设备，用于操作气相色谱仪-燃烧-同位素比质谱仪 (GC-c-IRMS)。 将 GC 前端外围设备集成到现有 IRMS 仪器将允许分离特定化合物以进行单个同位素分析，否则这些化合物会被“批量”掩盖。有机物分析。 组合仪器将推进量化海洋中细菌产生的难熔有机物的数量、识别地下微生物群落的活动以及调查北极永久冻土微生物过程的研究。

项目成果

Assessment of apolar lipids in subseafloor rocks and potential contaminants from the Atlantis Massif (IODP Expedition 357)

评估亚特兰蒂斯地块海底岩石中的非极性脂质和潜在污染物（IODP Expedition 357）

• DOI: 10.1016/j.orggeochem.2018.05.003
• 发表时间: 2018-08
• 期刊: Organic Geochemistry
• 影响因子: 3
• 作者: Hickok, Katherine A.;Nguyen, Tran B.;Lang, Susan Q.
• 通讯作者: Lang, Susan Q.