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

Properties of Enantiomers and Optical Activity02:24

Properties of Enantiomers and Optical Activity

16.8K
It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
16.8K
Measuring Reaction Rates03:09

Measuring Reaction Rates

24.9K
Polarimetry finds application in chemical kinetics to measure the concentration and reaction kinetics of optically active substances during a chemical reaction. Optically active substances have the capability of rotating the plane of polarization of linearly polarized light passing through them—a feature called optical rotation. Optical activity is attributed to the molecular structure of substances. Normal monochromatic light is unpolarized and possesses oscillations of the electrical...
24.9K
High-Performance Liquid Chromatography: Types of Detectors01:15

High-Performance Liquid Chromatography: Types of Detectors

507
The role of the detectors in High-Performance Liquid Chromatography (HPLC) is to analyze the solutes as they exit from the chromatographic column. The detector recognizes the solute's property and generates corresponding electrical signals, which are converted into a readable graph of the detector's response versus elution time called a chromatogram at the computer. There are several types of HPLC detectors, each with its own advantages and limitations, depending on the analyte...
507
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

273
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT) is an advanced Nuclear Magnetic Resonance (NMR) technique specifically designed to detect and enhance the signals of low-abundance nuclei, such as carbon-13 and nitrogen-15, in small molecules. The fundamental principle behind INEPT is the transfer of polarization from a more abundant and highly polarizable nucleus, typically hydrogen-1, to the low-abundance nucleus of interest. This process effectively boosts the NMR signal of the...
273

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

APASL clinical practice guidelines on the management of chronic hepatitis B infection: a 2026 update.

Hepatology international·2026
Same author

Research on characteristics of cab interior noise under different conditions by neural network algorithm.

Fundamental research·2026
Same author

Tolvaptan for hyponatremia in patients with cirrhosis: a post hoc subgroup analysis of a multicenter, randomized, double-blind, placebo-controlled trial.

Hepatology international·2026
Same author

Biomarker Combinations and Novel Surveillance Strategies: A "Traffic Light" Approach and Resource Optimization.

Gastroenterology·2026
Same author

Beyond steroid-dependent care: can TNF blockade evolve into a precision therapy for autoimmune hepatitis?

Journal of hepatology·2026
Same author

Abnormal lymphatic system function in patients with chronic neck and shoulder pain: neuroimaging evidence from DTI-ALPS.

Frontiers in molecular neuroscience·2026
Same journal

Gaussian-modulated continuous-variable quantum key distribution over 60 km fiber using an integrated silicon photonic receiver.

Optics letters·2026
Same journal

E2E-OCT: end-to-end joint learning model using optical coherence tomography images for vocal cord leukoplakia diagnosis.

Optics letters·2026
Same journal

Holographic generation of panoramic 3D scenes by concave ellipsoidal mirror reflection.

Optics letters·2026
Same journal

Dual-pilot phase recovery with pair-wise maximum-ratio combining for coherent PONs.

Optics letters·2026
Same journal

Mapping the whispering gallery modes of a CaF<sub>2</sub> disk resonator with half-tapered fibers to estimate the fundamental mode volume.

Optics letters·2026
Same journal

Quantitative estimation of deep-subwavelength scale via dark-field scattering axial energy concentration decay profiles.

Optics letters·2026
查看所有相关文章

相关实验视频

Updated: Jun 13, 2025

Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
05:54

Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy

Published on: September 8, 2023

1.1K

具有高度敏感的强度类型的偏振合传感器,具有参考光.

Pengpeng Xie, Xiaoxue Xu, Ren Jiao

    Optics letters
    |September 13, 2024
    PubMed
    概括
    此摘要是机器生成的。

    这项研究引入了一种优化的偏振性传感器,使用弱度测量进行敏感的性分子检测. 这种新型传感器实现了高信号噪声比,分辨率为2×10−5rad.

    更多相关视频

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
    07:39

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

    Published on: July 21, 2018

    6.8K
    Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies
    09:38

    Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

    Published on: January 3, 2018

    7.2K

    相关实验视频

    Last Updated: Jun 13, 2025

    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy
    05:54

    Author Spotlight: Non-Invasive Imaging of Complex Bio-Structures Using Polarization-Sensitive Two-Photon Microscopy

    Published on: September 8, 2023

    1.1K
    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
    07:39

    Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons

    Published on: July 21, 2018

    6.8K
    Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies
    09:38

    Fabrication Procedures and Birefringence Measurements for Designing Magnetically Responsive Lanthanide Ion Chelating Phospholipid Assemblies

    Published on: January 3, 2018

    7.2K

    科学领域:

    • 光学和光子学 在光学和光子学.
    • 分析化学 分析化学
    • 整形眼镜光谱法 整形眼镜光谱法

    背景情况:

    • 光学旋转是奇拉分子的一个关键性质.
    • 测量光学旋转的现有方法可能受到灵敏度和稳定性的限制.
    • 在各种科学领域中,准确检测奇拉物质至关重要.

    研究的目的:

    • 开发和优化一种新型的偏振合传感器.
    • 为了提高光学旋转测量的灵敏度和信号噪声比.
    • 通过使用弱测量原理,实现合介质的高分辨率检测.

    主要方法:

    • 实现一个利用弱度测量光路径的偏振合传感器.
    • 理论优化相位移和极化角度差异,以提高灵敏度.
    • 通过将参考灯集成,对传感器性能进行实验验证.

    主要成果:

    • 优化的传感器显示了显著提高的灵敏度.
    • 引入参考灯有效地减少了光源的波动.
    • 实现了高的信号噪声比和2 × 10−5rad的光学旋转分辨率.

    结论:

    • 开发的传感器提供了低成本,高灵敏度和实时检测方法.
    • 这种技术显示出在化学分析中的应用潜力很大,特别是用于奇拉分子检测.
    • 弱度测量方法与参考灯相结合,为手术感应提供了一个强大的平台.