Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Susceptibility, Permittivity and Dielectric Constant01:26

Susceptibility, Permittivity and Dielectric Constant

1.5K
When placed in an external electric field, a dielectric material gets polarized. The charge density in the dielectric material is given by the sum of the bound and free charge densities, while the total charge density can also be written in terms of the total electric field. The bound charge density can be measured in terms of polarization, leading to the relationship between electric displacement and polarization.
1.5K
Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)01:15

Insensitive Nuclei Enhanced by Polarization Transfer (INEPT)

281
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...
281

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Altered controllability of functional brain networks among electronic cigarettes users with nicotine dependence.

Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco·2026
Same author

Multiscale ECM Stiffness Characterization and Quantitative Single-Cell Analysis Reveal ITGA3-Mediated Stiffness-Responsive Subpopulation Dynamics in Papillary Thyroid Carcinoma.

Cellular and molecular bioengineering·2026
Same author

Erratum: Publisher Correction: Multiscale ECM Stiffness Characterization and Quantitative Single-Cell Analysis Reveal ITGA3-Mediated Stiffness-Responsive Subpopulation Dynamics in Papillary Thyroid Carcinoma.

Cellular and molecular bioengineering·2026
Same author

Method for fabricating tissue-mimicking materials with designated dielectric and thermal properties for radiofrequency ablation.

International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·2025
Same author

The value of predicting neoadjuvant chemotherapy early efficacy in nasopharyngeal carcinoma based on amide proton transfer imaging and diffusion weighted imaging.

Quantitative imaging in medicine and surgery·2024
Same author

Multimodal imaging evaluation of early neurological deterioration following acute ischemic stroke.

Quantitative imaging in medicine and surgery·2024

Related Experiment Video

Updated: Jun 19, 2025

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

8.7K

Using the Probability Density Function-Based Channel-Combination Bloch-Siegert Method Realizes Permittivity Imaging

Jiajia Wang1, Yunyu Gao1, Sherman Xuegang Xin1

  • 1School of Biomedical Engineering, Southern Medical University, Guangzhou 510515, China.

Bioengineering (Basel, Switzerland)
|July 27, 2024
PubMed
Summary

A new method improves magnetic resonance electrical properties tomography (MR EPT) accuracy for measuring tissue permittivity. This technique enhances signal-to-noise ratio, potentially aiding early cancer diagnosis.

Keywords:
B1 mapping technologyBloch–Siegert methodelectrical properties tomographyrelative permittivity

More Related Videos

Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization
07:50

Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization

Published on: July 17, 2015

11.0K
Three-Dimensional Imaging of Tumor-Bearing Tissue Using the Iterative Bleaching Extends Multiplexity Approach
07:16

Three-Dimensional Imaging of Tumor-Bearing Tissue Using the Iterative Bleaching Extends Multiplexity Approach

Published on: April 25, 2025

140

Related Experiment Videos

Last Updated: Jun 19, 2025

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−
06:53

Photoelectron Imaging of Anions Illustrated by 310 Nm Detachment of F−

Published on: July 27, 2018

8.7K
Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization
07:50

Electron Channeling Contrast Imaging for Rapid III-V Heteroepitaxial Characterization

Published on: July 17, 2015

11.0K
Three-Dimensional Imaging of Tumor-Bearing Tissue Using the Iterative Bleaching Extends Multiplexity Approach
07:16

Three-Dimensional Imaging of Tumor-Bearing Tissue Using the Iterative Bleaching Extends Multiplexity Approach

Published on: April 25, 2025

140

Area of Science:

  • Medical Imaging
  • Biophysics
  • Electrical Engineering

Background:

  • Magnetic resonance electrical properties tomography (MR EPT) measures tissue permittivity using B1+ magnitude.
  • Current MR EPT accuracy is limited by low signal-to-noise ratio (SNR) of B1+ magnitude.

Purpose of the Study:

  • To introduce and evaluate the probability density function (PDF)-based channel-combination Bloch-Siegert (BSS) method for improving MR EPT accuracy.
  • To assess the feasibility of this new method in MR EPT for biological tissues.

Main Methods:

  • Utilized a 3T MRI scanner with an eight-channel receiver coil.
  • Employed the PDF-based channel-combination BSS method for B1+ magnitude assessment.
  • Applied the Helmholtz-based EPT reconstruction algorithm and compared results with open-ended coaxial probe measurements.

Main Results:

  • The PDF-based channel-combination BSS method demonstrated improved permittivity measurement accuracy.
  • Relative permittivity of Gd phantom reconstructed as 52.413 (ground-truth 78.86), with 33.53% error.
  • Relative permittivity of rat leg muscle reconstructed as 54.053 (ground-truth 49.04), with 10.22% error.

Conclusions:

  • The PDF-based channel-combination BSS method significantly enhances the accuracy of MR EPT permittivity measurements.
  • This improved accuracy holds promise for advancing MR EPT applications, including early cancer detection.