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

¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

1.1K
The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
1.1K
¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)01:20

¹³C NMR: Distortionless Enhancement by Polarization Transfer (DEPT)

1.0K
When proton-coupled carbon-13 spectra are simplified by a broadband proton decoupling technique, structural information about the coupled protons is lost. Distortionless enhancement by polarization transfer (DEPT) is a technique that provides information on the number of hydrogens attached to each carbon in a molecule. While the DEPT experiment utilizes complex pulse sequences, the pulse delay and flip angle are specifically manipulated. The resulting signals have different phases depending on...
1.0K
Carbon-13 (¹³C) NMR: Overview01:10

Carbon-13 (¹³C) NMR: Overview

5.6K
Carbon-13 is a naturally occurring NMR-active isotope of carbon with a low natural abundance of 1.1%. In contrast, carbon-12 is the most abundant isotope of carbon with zero nuclear spin. Therefore, it is NMR inactive. The gyromagnetic ratio of carbon-13 is smaller than that of protons. As a result, carbon-13 resonance is about 6000 times weaker than proton resonance. For a given magnetic field strength, the resonance frequency of carbon-13 is about one-fourth of the resonance frequency for...
5.6K

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

Neonatal Brain Network Integration Trajectories Predict Neurodevelopment in Congenital Heart Disease.

medRxiv : the preprint server for health sciences·2026
Same author

Environmental Exposures Influence Fetal Brain Growth and Risk of Neonatal Brain Injury in Congenital Heart Disease.

Pediatric cardiology·2026
Same author

Development and First-in-Human Translation of Hyperpolarized [1-<sup>13</sup>C]Alpha-Ketoglutarate MR Spectroscopy in the Brain.

Sensors (Basel, Switzerland)·2026
Same author

Evaluation of treatment response in patients with recurrent grade 4 glioma using hyperpolarized [1-<sup>13</sup>C]pyruvate MRI.

Research square·2026
Same author

UCSF RMaC: University of California San Francisco 3D Multi-Phase Renal Mass CT Dataset with Tumor Segmentations.

medRxiv : the preprint server for health sciences·2026
Same author

Machine learning to infer neurocognitive testing scores among adolescents and young adults with congenital heart disease.

Communications medicine·2026

相关实验视频

Updated: Jun 26, 2025

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging
11:43

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging

Published on: December 30, 2016

10.5K

数据格式标准化和DICOM集成用于超极化CMRI

Ernesto Diaz1, Renuka Sriram1, Jeremy W Gordon1

  • 1Department of Radiology and Biomedical Imaging, University of California - San Francisco, San Francisco, California, USA.

ArXiv
|May 20, 2024
PubMed
概括

标准化对超极化 (HP) 13CMRI的数据存储对于多站点试验至关重要. 这项研究提出了最低数据集,并证明了DICOM标准对HP13CMRI数据的利用.

关键词:
这是一个DICOM格式.实验的元数据是实验的元数据.超极化13C核磁共振成像 (MRI) 是一种超极化13C核磁共振成像.代谢成像 - - 代谢成像

更多相关视频

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI
09:08

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI

Published on: November 21, 2023

827
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.5K

相关实验视频

Last Updated: Jun 26, 2025

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging
11:43

Hyperpolarized 13C Metabolic Magnetic Resonance Spectroscopy and Imaging

Published on: December 30, 2016

10.5K
Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI
09:08

Author Spotlight: Standardization and Best Practices for Advancing Lung Imaging Using 129Xe MRI

Published on: November 21, 2023

827
Hyperpolarized Xenon for NMR and MRI Applications
16:20

Hyperpolarized Xenon for NMR and MRI Applications

Published on: September 6, 2012

19.5K

科学领域:

  • 医疗成像医学成像
  • 代谢成像 - 代谢成像
  • 磁共振成像是一种磁共振成像技术.

背景情况:

  • 超极化 (HP) 13C核磁共振可实现体内代谢测量,并正在通过人体试验在全球范围内扩展.
  • 标准化数据存储对于在多个研究站点中比较数据至关重要.

研究的目的:

  • 定义HP13CMRI研究的最低数据集.
  • 展示使用医学数字成像和通信 (DICOM) 标准来存储HP13CMRI数据.
  • 为HP13CMRI数据存储提出最佳实践,以支持多站点试验和技术进步.

主要方法:

  • 描述了HP13CMRI的基本数据元素.
  • 利用现有的DICOM属性,特别是"对比度/波拉斯"模块,以适应HP13C MRI特定信息.
  • 开发了用于使用各种脉冲序列创建DICOM对象的管道,用于人类和动物的HP13C MRI研究.
  • 实现了基于Python的方法来修改DICOM对象以获得独特的HP13CMRI数据.

主要成果:

  • 成功地将HP13CMRI数据映射到DICOM格式中,包括代谢和光谱维度.
  • 展示了DICOM的灵活性来存储专业信息,如超极化代理细节.
  • 展示了用于HP13CMRI的DICOM数据创建和修改的功能管道.

结论:

  • DICOM标准提供了一个灵活和合适的框架来存储HP13CMRI数据.
  • 使用DICOM的标准化数据存储将促进跨研究站点的数据比较和协作.
  • 提出的方法和最佳实践将支持HP13C MRI研究的增长和发展.