Purchase of an Isothermal Titration Calorimeter
购买等温滴定量热计
基本信息
- 批准号:7792160
- 负责人:
- 金额:$ 12.88万
- 依托单位:
- 依托单位国家:美国
- 项目类别:
- 财政年份:2010
- 资助国家:美国
- 起止时间:2010-07-01 至 2011-06-30
- 项目状态:已结题
- 来源:
- 关键词:AffinityArtsBindingBiochemistryBiophysicsCalorimetryChromosomesColoradoCommunitiesDNA-Protein InteractionEntropyFDA approvedFundingGenerationsGoalsGrantHealthHeatingHumanKineticsLabelMacular degenerationMeasuresMinorNatureNucleic AcidsPharmaceutical PreparationsPhosphotransferasesReactionRegulatory ElementRequest for ProposalsResearchRunningSamplingSignal Transduction PathwayTechniquesTimeTitrationsUniversitiesaptamerbaseenthalpyfightinginstrumentinstrumentationprogramsresearch studystoichiometry
项目摘要
DESCRIPTION (provided by applicant): This shared instrumentation grant program proposal requests funds for the purchase of a state-of-the-art isothermal titration microcalorimeter (ITC). Calorimetry provides a wealth of information about macromolecular interactions and enzymatic kinetics by measuring the heats of reaction. This technique has distinct advantages over others, including that it can obtain information about the binding affinity, enthalpy and entropy of reaction and stoichiometry of the reaction in a single experiment and that it does not require the labeling of either the titrant or titrate molecules. Recent advances in instrumentation also allow for 10-fold lower sample amounts to be used per experiment and significantly decreased run time as compared to previous generation instruments. These considerations make this technique accessible to a broader spectrum of users and facilitates overall higher throughput, which are important features for shared instrumentation. Acquisition of the proposed MicroCal iTC200 would facilitate research programs directly related to human health issues in a number of important ways. Major users of this instrument propose to use this instrument to investigate the regulatory mechanisms of kinases involved in a variety of key cellular signal transduction pathways in humans (Prof. Natalie Ahn), RNA-based regulatory elements that directly sense cellular metabolites (Prof. Robert Batey), a nucleic acid aptamer that is an FDA- approved drug to fight macular degeneration (Prof. Arthur Pardi), and the nature of protein-DNA interactions at the end of linear chromosomes (Prof. Deborah Wuttke). These research goals along with those of the minor users emphasizes the strength of biophysics and biochemistry at the University of Colorado, Boulder and the proposed instrument would fulfill a core need of a large community of users.
描述(由申请人提供):此共享仪器拨款计划提案要求提供资金来购买最先进的等温滴定微量热计 (ITC)。量热法通过测量反应热提供有关大分子相互作用和酶动力学的丰富信息。该技术与其他技术相比具有明显的优势,包括它可以在单个实验中获得有关结合亲和力、反应熵和反应熵以及反应化学计量的信息,并且不需要标记滴定剂或滴定剂分子。与上一代仪器相比,仪器的最新进展还使得每次实验使用的样品量减少了 10 倍,并显着缩短了运行时间。这些考虑因素使得该技术可供更广泛的用户使用,并促进整体更高的吞吐量,这是共享仪器的重要功能。收购拟议的 MicroCal iTC200 将以多种重要方式促进与人类健康问题直接相关的研究项目。该仪器的主要用户建议使用该仪器来研究参与人体多种关键细胞信号转导途径的激酶的调节机制(Natalie Ahn 教授)、直接感知细胞代谢物的基于 RNA 的调节元件(Robert Batey 教授)、FDA 批准的抗黄斑变性药物核酸适体(Arthur Pardi 教授)以及 线性染色体末端蛋白质-DNA 相互作用的本质(Deborah Wuttke 教授)。这些研究目标以及未成年用户的研究目标强调了科罗拉多大学博尔德分校生物物理学和生物化学的实力,并且拟议的仪器将满足广大用户社区的核心需求。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Robert T Batey其他文献
Robert T Batey的其他文献
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{{ truncateString('Robert T Batey', 18)}}的其他基金
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