PERMANENT SMALL ANGLE X-RAY SCATTERING STATION ON BEAM LINE 4-2

束线上永久性小角度 X 射线散射站 4-2

• 批准号: 7370586
• 负责人: HIROTSUGU TSURUTA
• 金额: $ 3.43万
• 依托单位: STANFORD UNIVERSITY
• 依托单位国家: 美国
• 财政年份: 2006
• 资助国家: 美国
• 起止时间: 2006-03-01 至 2007-02-28
• 项目状态: 已结题
• 来源: https://reporter.nih.gov/project-details/7370586
• 关键词: PERMANENT; SMALL; ANGLE; RAY; SCATTERING

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. The SSRL Structural Molecular Biology small-angle x-ray scattering facility BL4-2 is a permanent experimental station dedicated for structural biology studies. It receives the central fan of radiation from the new 20-pole wiggler beam, which was installed as a part of the SPEAR3 upgrade last year. The wiggler has been operated at a reduced wiggler field to manage thermal load on the optic components, which will be upgraded during the summer shutdown in 2006. This facility has operated fully since becoming a dedicated station in 2004 and has been oversubscribed at all times. This has been our second year of running the new instrument, which combines the conventional pin-hole geometry small angle scattering camera and the ultra small angle scattering setup. All users benefited significantly from the new automated sample-to-detector distance change capability and were able to cover desired angular ranges. The USAXS setup was commissioned as an integrated part of the in-hutch system this year. Our results show that the integrated instrument has at this point achieved the basic specifications comparable to those of the older stand-alone USAXS instrument. Notable hardware and software improvements are described within the specific subprojects.

该子项目是利用 NIH/NCRR 资助的中心拨款提供的资源的众多研究子项目之一。子项目和研究者 (PI) 可能已从另一个 NIH 来源获得主要资金，因此可以在其他 CRISP 条目中得到体现。列出的机构是中心的机构，不一定是研究者的机构。 SSRL结构分子生物学小角度X射线散射装置BL4-2是专门用于结构生物学研究的永久性实验站。它接收来自新型 20 极摆动光束的中央风扇辐射，该光束是去年作为 SPEAR3 升级的一部分安装的。该摆动器一直在缩小的摆动器场中运行，以管理光学元件上的热负荷，该光学元件将在 2006 年夏季停工期间进行升级。该设施自 2004 年成为专用站以来一直在全面运行，并且始终处于超额认购状态。这是我们运行新仪器的第二年，该仪器结合了传统的针孔几何小角度散射相机和超小角度散射装置。所有用户都从新的自动样品到检测器距离变化功能中受益匪浅，并且能够覆盖所需的角度范围。 USAXS 设置于今年作为厨内系统的集成部分进行调试。我们的结果表明，集成仪器此时已达到与旧式独立 USAXS 仪器相当的基本规格。特定子项目中描述了显着的硬件和软件改进。