Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

X-ray Crystallography02:18

X-ray Crystallography

24.2K
The size of the unit cell and the arrangement of atoms in a crystal may be determined from measurements of the diffraction of X-rays by the crystal, termed X-ray crystallography.
Diffraction
Diffraction is the change in the direction of travel experienced by an electromagnetic wave when it encounters a physical barrier whose dimensions are comparable to those of the wavelength of the light. X-rays are electromagnetic radiation with wavelengths about as long as the distance between neighboring...
24.2K
X-ray Diffraction of Biological Samples01:10

X-ray Diffraction of Biological Samples

4.0K
X-ray diffraction or XRD is an analytical tool that utilizes X-rays to study ordered structures such as crystalline organic and inorganic samples, polycrystalline materials, proteins, carbohydrates, and drugs.
According to Bragg's law, when X-rays strike the sample positioned on a stage, the rays are  scattered by the electron clouds around the sample atoms. The  X-ray diffraction or scattering is caused by constructive interference of the X-ray waves that reflect off the internal...
4.0K
Phase Contrast and Differential Interference Contrast Microscopy01:26

Phase Contrast and Differential Interference Contrast Microscopy

9.6K
Phase-Contrast Microscopes
In-phase-contrast microscopes, interference between light directly passing through a cell and light refracted by cellular components is used to create high-contrast, high-resolution images without staining. It is the oldest and simplest type of microscope that creates an image by altering the wavelengths of light rays passing through the specimen. Altered wavelength paths are created using an annular stop in the condenser. The annular stop produces a hollow cone of...
9.6K

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

Advanced X-Ray Imaging Technology.

Recent results in cancer research. Fortschritte der Krebsforschung. Progres dans les recherches sur le cancer·2026
Same author

Estimations of lung structural properties from a single propagation-based dark-field x-ray image.

Physics in medicine and biology·2026
Same author

Beam-hardening correction in clinical x-ray dark-field chest radiography using deep-learning-based bone segmentation.

Medical physics·2026
Same author

Multiple linear regression models for individualized radiation exposure planning in dark-field chest radiography.

European journal of radiology·2026
Same author

Look-up table correction for beam hardening-induced signal of clinical dark-field chest radiographs.

Medical physics·2026
Same author

Demonstration of a family of X-ray dark-field retrieval approaches on a common set of samples.

Journal of synchrotron radiation·2026
Same journal

Long-term stabilization of intensity-difference squeezing from four-wave mixing in rubidium vapor.

Optics express·2026
Same journal

Robust 3D topography measurement of large-range high-aspect-ratio structures based on dual-domain statistical filtering in SD-OCT.

Optics express·2026
Same journal

Broadband transmissive terahertz metasurface for simultaneous quad-mode OAM multiplexing.

Optics express·2026
Same journal

Leveraging two-dimensional materials for high-sensitivity optical sensors: quasi-bound states in the continuum within hybrid metasurfaces.

Optics express·2026
Same journal

Resolution investigation for dual-spherical-wave optical scanning holographic microscopy: methods and performance.

Optics express·2026
Same journal

Robustness of parallel subnetwork-filtered diffractive deep neural networks.

Optics express·2026
查看所有相关文章

相关实验视频

Updated: Sep 13, 2025

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
10:39

Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

Published on: October 11, 2016

9.8K

在基于格子的X射线成像中单材料相位检索,使用基于物理的模型.

Florian Schaff, Johannes Brantl, Kaye S Morgan

    Optics express
    |July 30, 2025
    PubMed
    概括
    此摘要是机器生成的。

    这项研究将单一材料的近似应用到基于格子的X射线相位对比成像. 这种新的方法可以减少噪音,并提高生物样本分析中的图像质量.

    更多相关视频

    In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
    06:49

    In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

    Published on: March 2, 2021

    6.4K
    Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography
    09:00

    Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

    Published on: September 29, 2019

    13.5K

    相关实验视频

    Last Updated: Sep 13, 2025

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating
    10:39

    Measurement of X-ray Beam Coherence along Multiple Directions Using 2-D Checkerboard Phase Grating

    Published on: October 11, 2016

    9.8K
    In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation
    06:49

    In situ Grazing Incidence Small Angle X-ray Scattering on Roll-To-Roll Coating of Organic Solar Cells with Laboratory X-ray Instrumentation

    Published on: March 2, 2021

    6.4K
    Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography
    09:00

    Visualization of Failure and the Associated Grain-Scale Mechanical Behavior of Granular Soils under Shear using Synchrotron X-Ray Micro-Tomography

    Published on: September 29, 2019

    13.5K

    科学领域:

    • 医疗成像医学成像
    • 生物物理学的生物物理.
    • 射线光学X射线光学

    背景情况:

    • 与传统的基于衰减的方法相比,X射线相位对比成像为生物组织提供了优越的对比.
    • 基于格子的成像和基于传播的成像是医学成像和显微镜的关键技术.
    • 基于传播的成像中的单材料近似度提高了图像质量,并减少了噪音.

    研究的目的:

    • 为了研究单一材料近似在基于格子的X射线相位对比成像中的适用性.
    • 开发和验证基于物理的模型,将这种近似方法集成到基于格子系统的信号处理中.

    主要方法:

    • 一个基于物理的模型的推导,该模型包含基于格子成像的单材料近似.
    • 该模型应用于基于格子的X射线相位对比成像的实验数据.
    • 与现有的基于单一材料的后加工技术进行比较.

    主要成果:

    • 集成的单一材料近似成功地减少了复合图像中的噪声.
    • 开发的基于物理的模型证明了有效的降噪.
    • 结果与已建立的单一材料后加工方法可比.

    结论:

    • 单一材料近似适用于基于格子的X射线相位对比成像,并有利于此.
    • 这种方法提高了生物样本成像中的图像质量和降噪.
    • 这些发现支持基于格子的成像技术的发展,用于显微镜和医疗应用.