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Electron Microscope Tomography and Single-particle Reconstruction

Electron Microscope Tomography and Single-particle Reconstruction

Transmission electron microscopy (TEM) can be used to determine the 3D structure of biological samples with the help of techniques such as electron microscope tomography and single-particle reconstruction. While single-particle reconstruction can examine macromolecules and macromolecular complexes in vitro conditions only, tomography permits the study of cell components or small cells in vivo.
Electron Tomography
Electron tomography can be performed either in TEM or STEM (scanning transmission...

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相关实验视频

Updated: Jan 6, 2026

$Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene$

Measurements of Long-range Electronic Correlations During Femtosecond Diffraction Experiments Performed on Nanocrystals of Buckminsterfullerene

Published on: August 22, 2017

ExaFEL:用于X射线自由电子激光科学的极大规模实时数据处理.

Johannes P Blaschke¹, Robert Bolotovsky², Aaron S Brewster²

¹National Energy Research Scientific Computing Center (NERSC), Lawrence Berkeley National Laboratory, Berkeley, CA, United States.

Frontiers in high performance computing

|October 31, 2025

概括

ExaFEL软件可以使用超级计算机实时分析X射线自由电子激光器 (XFEL) 数据. 这项工作为将高性能计算整合到科学工作流程中提供了一个蓝图.

关键词:

连续的女性秒结晶学.单个粒子成像技术数据密集型数据密集型数据密集型数据密集型数据密集型在 exascale 尺度上硬件加速加速器硬件加速器高性能计算的高性能计算.互联设施互联设施.实时处理实时处理.

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相关实验视频

Last Updated: Jan 6, 2026

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Published on: August 22, 2017

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科学领域:

计算科学是一种计算科学.
在X射线科学方面,X射线科学
数据分析数据分析

背景情况:

射线自由电子激光 (XFEL) 设备产生了大量的数据集.
实时分析对于优化实验参数至关重要.
现有的工作流需要与高性能计算 (HPC) 资源进行集成.

研究的目的:

介绍ExaFEL软件的开发和应用.
将XFEL数据分析与超大规模计算集成的经验分享.
概述对实时数据分析基础设施的要求.

主要方法:

开发ExaFEL,一个支持HPC的XFEL数据分析软件套件.
实现跨设施的工作流,跨越XFEL源和HPC中心.
在超级计算机 (Perlmutter和Frontier) 上进行性能工程和测试.

主要成果:

埃克萨菲尔成功地支持实时数据分析,用于串行女性秒结晶学 (SFX) 和单颗粒成像 (SPI).
证明了LCLS数据分析与NERSC和OLCFHPC中心的集成.
记录了经验和经验经验和经验经验和经验经验的经验和经验经验和经验经验的经验.

结论:

ExaFEL提供了一个实用的蓝图,用于将exa规模计算集成到科学工作流中.
基本的数据中心服务和机构政策被确定用于实时分析.
该项目推进了美国能源部的综合研究基础设施 (IRI) 计划.