MRI: Acquisition of an upgraded radio frequency console, a broadband nitrogen-cooled probe and an autosampler for a 400 MHz nuclear magnetic resonance (NMR) spectrometer

MRI：为 400 MHz 核磁共振 (NMR) 波谱仪采购升级的射频控制台、宽带氮冷探头和自动进样器

• 批准号: 1625340
• 负责人: William Dougherty
• 金额: $ 22.39万
• 依托单位: Susquehanna University
• 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: 2016-08-15 至 2019-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1625340&HistoricalAwards=false
• 关键词: MRI; Acquisition; upgraded; radio; frequency

With this award from the Major Research Instrumentation Program (MRI) and support from the Chemistry Research Instrumentation Program (CRIF), Professor William Dougherty from Susquehanna University and colleagues Geneive Henry and Elizabeth Valentin have upgraded a 400 MHz Nuclear Magnetic Resonance (NMR) spectrometer by equipping it with a new radio frequency console, a broadband probe capable of operating between -100 and +150 degrees Centigrade and a 24-position autosampler. The upgraded electronics for the spectrometer allows research in a variety of fields such as those that accelerate chemical reactions of significant economic importance, as well as those that allow study of biologically relevant species. In general, NMR spectroscopy is one of the most powerful tools available to chemists for the elucidation of the structure of molecules. It is used to identify unknown substances, to characterize specific arrangements of atoms within molecules, and to study the dynamics of interactions between molecules in solution or in the solid state. The results from these NMR studies have an impact in synthetic organic/inorganic chemistry, materials chemistry and biochemistry. The acquired probe acts both as a broadband and high-field probe which increases sensitivity. This instrument is an integral part of teaching as well as research performed by undergraduate students via independent student research and traditional academic coursework.The award is aimed at enhancing research and education at all levels, especially in areas such as (a) understanding the influence chemical structure has on the redox properties of transition metal complexes; (b) studying the redox properties of first row transition metal complexes bearing sterically bulky trispyrazolylborate ligands and (c) isolating and spectroscopically characterizing natural products from Carex (grassy plants or sedge) and Hypericum species (herbaceous shrubs) growing in Pennsylvania.

在主要研究仪器计划（MRI）和化学研究仪器计划（CRIF）的支持下，来自萨斯奎哈纳大学的威廉·多蒂（CRIF）和同事吉恩·亨利（Geneive Henry）和伊丽莎白·瓦伦丁（Elizabeth elizabeth）教授通过将其与新的无线电频率级别的频率配置为频率的000 MHz核磁共振（NMR）升级为400 MHz核磁共振（NMR） - 和24位自动采样器。光谱仪的升级电子设备允许在各种领域进行研究，例如加速具有重要经济意义的化学反应的电子产品，以及允许研究生物学相关物种的化学反应。通常，NMR光谱是化学家可用的最强大工具之一，用于阐明分子结构。它用于识别未知物质，表征分子内原子的特定排列，并研究溶液中分子或固态中分子之间相互作用的动力学。 这些NMR研究的结果对合成有机/无机化学，材料化学和生物化学有影响。获得的探针既充当宽带和高场探针，从而提高了灵敏度。该乐器是教学的组成部分，也是本科生通过独立学生研究和传统学术课程进行的研究。该奖项旨在增强各个层次的研究和教育，尤其是在（a）理解化学结构对过渡金属络合物氧化还原特性的领域中； （b）研究带有宽敞的三角吡唑酯配体的第一排过渡金属配合物的氧化还原性能，以及（c）在宾夕法尼亚州生长的Carex（草皮或莎草）和高尚种类（草皮植物）和Hyperium种类（草皮植物）和Hyperium种类（草皮植物）的天然产物的分离和光谱表征。