INSTRUMENTATION FOR INELASTIC SCATTERING AND ADVANCED SPECTROSCOPY

非弹性散射和先进光谱仪器

• 批准号: 8170003
• 负责人: UWE BERGMANN
• 金额: $ 3.05万
• 依托单位: STANFORD UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2010
• 资助国家: 美国
• 起止时间: 2010-05-01 至 2011-02-28
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/8170003
• 关键词: Active Sites; Computer Retrieval of Information on Scientific Projects Database; Development; Funding; Grant; Institution; Nitrogenase; Proteins; Research; Research Personnel; Resolution; Resources; Source; Spectrum Analysis; Time; United States National Institutes of Health; Zinc; base; design; emission spectroscopy; instrument; instrumentation; photosystem II

This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. The subproject and investigator (PI) may have received primary funding from another NIH source, and thus could be represented in other CRISP entries. The institution listed is for the Center, which is not necessarily the institution for the investigator. Development and commissioning have continued for a spectrometer based on multiple high resolution crystal analyzers for resonant inelastic x-ray scattering (RIXS), x-ray emission spectroscopy (XES) and advanced EXAFS. Currently the setup has six Si(553) analyzers (used for Cu K(beta) XES), three Ge(110) (in (440) order used for Fe 1s2p RIXS), three Ge(111) analyzers (in (333) order used for Mn 1s2p RIXS and range extended (RE) EXAFS, and in (444) order used for Zn K(beta) XES), three Ge(310) analyzers (in (620) order used or Fe K(beta) XES), seven Si(111) analyzers (in (444) order used for Cu 1s2p RIXS and RE EXAFS). During 2009, planning and design to move this instrument to a dedicated hutch (middle hutch of BL6-2) was initiated, to allow for reduced setup time and maximizing user access. Several collaborative user groups made use of the new setup. Studies included XES examination of zinc protein active site mimics, nitrogenase and photosystem II.

这个子项目是许多研究子项目中的一个 由NIH/NCRR资助的中心赠款提供的资源。子项目和 研究者（PI）可能从另一个NIH来源获得了主要资金， 因此可以在其他CRISP条目中表示。所列机构为 研究中心，而研究中心不一定是研究者所在的机构。 基于多个高分辨率晶体分析仪的光谱仪的开发和调试工作仍在继续，该光谱仪用于共振非弹性X射线散射、X射线发射光谱和先进EXAFS。 目前，该装置有六个Si（553）分析仪（用于Cu K（β）XES），三个Ge（110）（以（440）顺序用于Fe 1 s2 p RIXS），三个Ge（111）分析器（以（333）顺序用于Mn 1 s2 p RIXS和范围扩展（RE）EXAFS，以及以（444）顺序用于Zn K（β）XES），三个Ge（310）分析器（以（620）顺序用于Fe K（β）XES），七个Si（111）分析器（以（444）顺序用于Cu 1 s2 p RIXS和RE EXAFS）。2009年期间，启动了将该仪器移至专用柜（BL 6 -2的中间柜）的规划和设计，以缩短设置时间并最大限度地提高用户访问权限。 几个协作用户组使用了新的设置。研究包括锌蛋白活性位点模拟物、固氮酶和光系统II的XES检测。