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Three-Dimensional Microscopy in Microbiology

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...

Molecular Models

Molecular Models

Physical models representing molecular architectures of chemical compounds play essential roles in understanding chemistry. The use of molecular models makes it easier to visualize the structures and shapes of atoms and molecules.

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...

Three-Dimensional Analysis of Strain

Three-Dimensional Analysis of Strain

Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...

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Updated: Sep 27, 2025

Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization

Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization

Published on: November 12, 2014

ナノ粒子格子と多物質フレームワークの3次元可視化

Aaron Michelson¹, Brian Minevich², Hamed Emamy²

¹Department of Applied Physics and Applied Mathematics, Columbia University, New York, NY 10027, USA.

Science (New York, N.Y.)

|April 7, 2022

まとめ

研究者はナノスケールの自己組み立てを視覚化するための新しい3Dイメージング技術を開発しましたこの方法は高度なX線を用いて個々のナノ粒子の正確な配置と複雑な構造の元素の組成を非破壊的に明らかにします

さらに関連する動画

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Published on: December 18, 2014

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

Published on: July 5, 2016

関連する実験動画

Last Updated: Sep 27, 2025

Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization

Scalable Nanohelices for Predictive Studies and Enhanced 3D Visualization

Published on: November 12, 2014

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Novel 3D/VR Interactive Environment for MD Simulations, Visualization and Analysis

Published on: December 18, 2014

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

Energy Dispersive X-ray Tomography for 3D Elemental Mapping of Individual Nanoparticles

Published on: July 5, 2016

科学分野:

ナノテクノロジー
材料科学
バイオ物理学

背景:

ナノスケールの自己組み立ては複雑なアーキテクチャを可能にしますが,体積画像では課題に直面しています.
現行の方法では単一コンポーネントの解像度と基本的な感度で下から上へとナノ製造が困難です

研究の目的:

複雑なナノ粒子アセンブリのための非破壊的3Dイメージング方法を実証する.
ナノスケールの構造を視覚化するために,高解像度と基本的な感度を達成します.

主な方法:

ナノフォーカスの硬質X線を用いて画像を撮った.
DNAプログラム可能なナノ粒子組立とナノスケールの無機テンプレートを使用しています.
容積分析のための実空間再構築を開発した.

主要な成果:

2マイクロメートルの格子で 7ナノメートルの解像度を達成し ~10,000ナノ粒子を画像化しました
特定された組み立てモチーフと,要素の感度を持つ多素材のフレームワーク.
格子不完全さ,インターフェース,およびアセンブリモチーフとの関係が明らかになりました.

結論:

開発された技術はナノスケールの自己組み立てに前例のない3Dの洞察を提供します.
複雑なナノ粒子構造とその性質の詳細な特徴づけを可能にします.
画像の限界を克服して下から上へとナノ製造を進める