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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
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Computed Tomography01:10

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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: May 30, 2025

Three-dimensional Optical-resolution Photoacoustic Microscopy
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Three-dimensional Optical-resolution Photoacoustic Microscopy

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三维衍射声学断层扫描仪

Luca Menozzi1, Tri Vu1, Aidan J Canning1

  • 1Department of Biomedical Engineering, Duke University, Durham, NC, USA.

Nature communications
|January 29, 2025
PubMed
概括
此摘要是机器生成的。

三维衍射声学断层扫描 (3D-DAT) 可同时进行3D光声学和超声波成像. 这种可访问的技术为生物医学研究提供了高分辨率,快速和深层组织成像.

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Universal Hand-held Three-dimensional Optoacoustic Imaging Probe for Deep Tissue Human Angiography and Functional Preclinical Studies in Real Time
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Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography
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相关实验视频

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科学领域:

  • 生物医学成像技术 生物医学成像技术
  • 声学断层扫描仪声学断层扫描仪声学断层扫描仪
  • 摄影声学成像技术的成像

背景情况:

  • 光声学和超声波成像提供深层组织的解剖学和功能信息.
  • 目前的系统仅限于具有异构分辨率和高度聚焦的二维成像.

研究的目的:

  • 引入三维衍射声学断层扫描 (3D-DAT) 以同时进行3D光声学和超声波成像.
  • 与现有方法相比,证明了更好的成像性能和可访问性.

主要方法:

  • 使用了一种现成的线性阵列传感器,具有单槽声波衍射.
  • 实现了快速焦线体积重建,以快速处理数据.

主要成果:

  • 实现了同时进行3D光声学和超声波成像,几乎具有同位素分辨率.
  • 展示了高成像速度,大视野和增强的定量准确性.
  • 与传统方法相比,报告的重建时间快50倍.

结论:

  • 3D-DAT为深层组织可视化提供了卓越的成像性能和可访问性.
  • 该技术显示出在生命科学和生物医学研究中广泛应用的潜力,包括体内研究.