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相关概念视频

Electron Microscope Tomography and Single-particle Reconstruction01:07

Electron Microscope Tomography and Single-particle Reconstruction

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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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Computed Tomography01:10

Computed Tomography

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Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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相关实验视频

Updated: Jun 23, 2025

Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy
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Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy

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可扩展电子断层扫描用于连接学.

Aaron T Kuan1,2, Sébastien Phan3, Keun-Young Kim3

  • 1Department of Neurobiology, Harvard Medical School, Boston, MA, USA.

bioRxiv : the preprint server for biology
|June 19, 2024
PubMed
概括
此摘要是机器生成的。

我们开发了有限倾斜串行断面电子断层扫描来绘制大3D大脑电路. 这种方法揭示了高分辨率的细节,如突触和间隙交叉点在厚的部分,使连接原子规模的项目.

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Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging
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A Method for 3D Reconstruction and Virtual Reality Analysis of Glial and Neuronal Cells
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A Method for 3D Reconstruction and Virtual Reality Analysis of Glial and Neuronal Cells

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相关实验视频

Last Updated: Jun 23, 2025

Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy
09:47

Array Tomography Workflow for the Targeted Acquisition of Volume Information using Scanning Electron Microscopy

Published on: July 15, 2021

4.8K
Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging
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Cryo-Electron Tomography Remote Data Collection and Subtomogram Averaging

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A Method for 3D Reconstruction and Virtual Reality Analysis of Glial and Neuronal Cells
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A Method for 3D Reconstruction and Virtual Reality Analysis of Glial and Neuronal Cells

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科学领域:

  • 神经科学是一个神经科学.
  • 显微镜的使用方法
  • 计算生物学 计算生物学

背景情况:

  • 绘制复杂的神经回路的地图对于理解大脑功能至关重要.
  • 对大脑体积的高分辨率成像仍然是一个重大挑战.

研究的目的:

  • 展示一种新的电子断层扫描 (ET) 方法,用于非破坏性,大体积的3D大脑电路映射.
  • 为了实现神经回路内的超分子细节的高分辨率成像.

主要方法:

  • 限度倾斜,串行截面电子断层扫描 (ET) 应用到厚的大脑截面 (>500 nm).
  • 系统评估成像参数以优化图像质量和速度.
  • 开发加速ET成像协议的开发.

主要成果:

  • 在大3D卷上成功地进行了大脑电路的非破坏性映射.
  • 关键神经元电路特征的分辨率,包括化学突触,内细胞结构和间隙连接.
  • 对厚切口进行加速ET成像的演示.

结论:

  • 有限倾斜串行截面ET是大规模连接经济学的强大工具.
  • 该方法可以对神经元电路进行详细的超分子分析.
  • 优化的成像参数促进了连接原子规模的项目.