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関連する概念動画

Electron Microscope Tomography and Single-particle Reconstruction01:07

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...
Three-Dimensional Microscopy in Microbiology01:28

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...
Computed Tomography01:10

Computed Tomography

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...
X-ray Imaging01:24

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...
Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

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関連する実験動画

Updated: Jul 12, 2026

Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
08:46

Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

Published on: April 13, 2016

三次元X線マイクロトモグラフィー

B P Flannery, H W Deckman, W G Roberge

    Science (New York, N.Y.)
    |September 18, 1987
    PubMed
    まとめ

    X線マイクロトモグラフィーは,材料組成の詳細な3Dマップを作成するための新しい非破壊的方法を提供します. この技術は高い精度と解像度を達成し,小さなサンプルでも精密な元素分析を可能にします.

    科学分野:

    • マテリアルサイエンス 材料科学
    • 物理 物理学 物理学とは
    • イメージング技術 イメージング技術

    背景:

    • X線マイクロトモグラフィーは,破壊的でない分析のための強力な技術です.
    • 材料の特性の正確な3Dマッピングは,様々な科学分野において極めて重要です.

    研究 の 目的:

    • 新しいX線マイクロトモグラフィの技術を紹介し,説明する.
    • 高精度,高解像度の3Dマップを生成する能力を実証するためです.
    • シンクロトロンソースを用いた元素マッピングを紹介する.

    主な方法:

    • 破壊的でない3DイメージングのためのX線マイクロトモグラフィーを利用しました.
    • 空間的に解像度の高い元素のマッピングのためにシンクロトロンX線源を使用した.
    • トモグラフィック再構築のための高速アルゴリズムを開発した.
    • 高解像度画像撮影用X線検出器を組み込みました.

    主要な成果:

    • X線減弱係数のマッピングで約1%の精度を達成しました.
    • 空間解像度は1マイクロメートル近くに達した.
    • 空間的に解像度の高い元素マップを成功裏に作成しました.

    さらに関連する動画

    High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT
    08:57

    High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT

    Published on: June 21, 2011

    Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography
    08:51

    Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography

    Published on: May 27, 2008

    関連する実験動画

    Last Updated: Jul 12, 2026

    Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages
    08:46

    Using Synchrotron Radiation Microtomography to Investigate Multi-scale Three-dimensional Microelectronic Packages

    Published on: April 13, 2016

    High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT
    08:57

    High Resolution 3D Imaging of Ex-Vivo Biological Samples by Micro CT

    Published on: June 21, 2011

    Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography
    08:51

    Non-invasive 3D-Visualization with Sub-micron Resolution Using Synchrotron-X-ray-tomography

    Published on: May 27, 2008

  • シンクロトロンと実験室のソースによるパフォーマンスを示すトモグラフィック画像が提示されました.

    • 結論:

    • 新しいX線マイクロトモグラフィー技術は,正確で高解像度の3D材料の特徴付けを提供します.
    • 詳細な元素分析,特にシンクロトロン放射を可能にする.
    • このシステムは,シンクロトロンとラボベースのアプリケーションの両方に有効です.