Upgrade of 500 MHz NMR Spectrometer
500 MHz核磁共振波谱仪升级
基本信息
- 批准号:8447923
- 负责人:
- 金额:$ 34.75万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-06-20 至 2014-05-31
- 项目状态:已结题
- 来源:
- 关键词:16 year oldAutomationBiochemistryCell NucleusChemistryDetectionFundingGenerationsHousingMorphologic artifactsNoisePeptidesPhysiologic pulsePlayPolymersResearchRoleSignal TransductionTemperatureUnited States National Institutes of HealthVendorcold temperaturedigitalimprovedinstrumentmeetingssmall molecule
项目摘要
DESCRIPTION (provided by applicant): The NMR Facility at the Department of Chemistry and Biochemistry UC Santa Barbara houses two outdated NMR spectrometers dedicated to chemistry research of organic/inorganic small molecules, peptides and polymers. Funding is requested to replace the console for a 16-year old 500 MHz spectrometer with a state-of-the-art digital console and a room-temperature universal probe optimized for both 1H and X-nucleus detection. Our current, older generation Varian Untity Inova console lacks basic automation features that are common in current generation of consoles used in routine NMR analysis, severely restricting instrument throughput and efficiency. Moreover, as the stability of the console components deteriorates, vendor support and availability of replacement parts are diminishing. The requested, state-of-the-art console and probe replacements offer much needed auto- tuning and shimming capabilities, complete digital control of signal and RF pulse routing, improved lock sensitivity and stability, reduced noise and artifacts, and expanded experimental capabilities. Moreover, the latest Bruker SmartProbe offers more than double the 1H sensitivity compared to what we currently have on the instrument while achieving a moderate sensitivity gain for all X-nuclei. The upgrade also delivers an expanded variable temperature range, improved temperature stability and more convenient low-temperature setup. The upgraded spectrometer will continue to play an essential role in meeting the research needs of various NIH-funded projects in the department.
描述(由申请人提供):加州大学圣巴巴拉分校化学和生物化学系的NMR设施拥有两台过时的NMR光谱仪,专用于有机/无机小分子、肽和聚合物的化学研究。要求提供资金,用最先进的数字控制台和最适合1H和X-核探测的室温通用探针取代已有16年历史的500 MHz分光计的控制台。我们目前的老一代Varian Untity Inova控制台缺乏常规NMR分析中使用的当前一代控制台中常见的基本自动化功能,严重限制了仪器的吞吐量和效率。此外,随着控制台组件的稳定性恶化,供应商的支持和更换部件的可用性正在减少。所要求的最先进的控制台和探头替代品提供了急需的自动调谐和匀场功能、信号和RF脉冲路由的完整数字控制、改进的锁定灵敏度和稳定性、降低的噪声和伪影以及扩展的实验能力。此外,最新的Bruker SmartProbe提供的1H灵敏度是我们目前仪器的两倍多,同时对所有X核都实现了适度的灵敏度增益。此次升级还提供了更大的可变温度范围、更高的温度稳定性和更方便的低温设置。升级后的光谱仪将继续在满足该部门各种NIH资助项目的研究需求方面发挥重要作用。
项目成果
期刊论文数量(33)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Total Synthesis and Structure Revision of Diplobifuranylone B
- DOI:10.1021/acs.joc.9b01613
- 发表时间:2019-09-06
- 期刊:
- 影响因子:3.6
- 作者:Cheng, Xinpeng;Quintanilla, Carlos D.;Zhang, Liming
- 通讯作者:Zhang, Liming
Chiral Bifunctional Phosphine Ligand Enabling Gold-Catalyzed Asymmetric Isomerization of Alkyne to Allene and Asymmetric Synthesis of 2,5-Dihydrofuran
- DOI:10.1021/jacs.8b12833
- 发表时间:2019-03-06
- 期刊:
- 影响因子:15
- 作者:Cheng, Xinpeng;Wang, Zhixun;Zhang, Liming
- 通讯作者:Zhang, Liming
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Liming Zhang其他文献
Liming Zhang的其他文献
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{{ truncateString('Liming Zhang', 18)}}的其他基金
Development of Asymmetric Cooperative Gold Catalysis and Beyond
不对称协同金催化及其他领域的发展
- 批准号:
10546491 - 财政年份:2021
- 资助金额:
$ 34.75万 - 项目类别:
Development of Asymmetric Cooperative Gold Catalysis and Beyond
不对称协同金催化及其他领域的发展
- 批准号:
10322384 - 财政年份:2021
- 资助金额:
$ 34.75万 - 项目类别:
Insertion Into Unactivated/Deactivated C(sp3)-H Bonds Enabled by Oxidatively Generated, Highly Reactive a-Oxo Gold Carbenes: A Safe Non-Diazo yet More Potent Approach
通过氧化生成的高反应性 a-Oxo 金卡宾插入未活化/失活的 C(sp3)-H 键:一种安全的非重氮且更有效的方法
- 批准号:
9449301 - 财政年份:2017
- 资助金额:
$ 34.75万 - 项目类别:
Development of novel approaches for stereoselective construction of glycosidic linkages
糖苷键立体选择性构建新方法的开发
- 批准号:
9391624 - 财政年份:2017
- 资助金额:
$ 34.75万 - 项目类别:
Insertion Into Unactivated/Deactivated C(sp3)-H Bonds Enabled by Oxidatively Generated, Highly Reactive a-Oxo Gold Carbenes: A Safe Non-Diazo yet More Potent Approach
通过氧化生成的高反应性 a-Oxo 金卡宾插入未活化/失活的 C(sp3)-H 键:一种安全的非重氮且更有效的方法
- 批准号:
10001071 - 财政年份:2017
- 资助金额:
$ 34.75万 - 项目类别:
Insertion Into Unactivated/Deactivated C(sp3)-H Bonds Enabled by Oxidatively Generated, Highly Reactive a-Oxo Gold Carbenes: A Safe Non-Diazo yet More Potent Approach
通过氧化生成的高反应性 a-Oxo 金卡宾插入未活化/失活的 C(sp3)-H 键:一种安全的非重氮且更有效的方法
- 批准号:
9751339 - 财政年份:2017
- 资助金额:
$ 34.75万 - 项目类别:
Au/Pt Catalysis in the Synthesis of Elaborate N-Heterocycles: Methodology Develop
Au/Pt 催化合成精细 N-杂环化合物:方法开发
- 批准号:
8126457 - 财政年份:2009
- 资助金额:
$ 34.75万 - 项目类别:
Au/Pt Catalysis in the Synthesis of Elaborate N-Heterocycles: Methodology Develop
Au/Pt 催化合成精细 N-杂环化合物:方法开发
- 批准号:
7939682 - 财政年份:2009
- 资助金额:
$ 34.75万 - 项目类别:
Au/Pt Catalysis in the Synthesis of Elaborate N-Heterocycles: Methodology Develop
Au/Pt 催化合成精细 N-杂环化合物:方法开发
- 批准号:
8538430 - 财政年份:2009
- 资助金额:
$ 34.75万 - 项目类别:
Au/Pt Catalysis in the Synthesis of Elaborate N-Heterocycles: Methodology Develop
Au/Pt 催化合成精细 N-杂环化合物:方法开发
- 批准号:
8324555 - 财政年份:2009
- 资助金额:
$ 34.75万 - 项目类别:
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