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 Experiment Videos

Pulsed gradient analysis using a dedicated magnetometer

P Desgoutte1, L Chaabane, B Favre

  • 1Laboratoire de Résonance Magnétique Nucléaire, UCB Lyon, Villeurbanne, France.

Magma (New York, N.Y.)
|March 1, 1997
PubMed
Summary
This summary is machine-generated.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

T cell therapy against cancer: A predictive diffuse-interface mathematical model informed by pre-clinical studies.

Journal of theoretical biology·2022
Same author

A recessive mutation in the DSP gene linked to cardiomyopathy, skin fragility and hair defects impairs the binding of desmoplakin to epidermal keratins and the muscle-specific intermediate filament desmin.

The British journal of dermatology·2018
Same author

In Vivo MR Imaging of Fibrin in a Neuroblastoma Tumor Model by Means of a Targeting Gd-Containing Peptide.

Molecular imaging and biology·2015
Same author

Macrophages and liposomes in inflammatory disease: friends or foes?

International journal of pharmaceutics·2011
Same author

Induction of p38, tumour necrosis factor-α and RANTES by mechanical stretching of keratinocytes expressing mutant keratin 10R156H.

The British journal of dermatology·2010
Same author

Investigation of NMR limits of detection for implantable microcoils.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2007
Same journal

Online image reconstruction via Multiple Orthogonal Reference Sensitivity Encoding (MORSE).

Magma (New York, N.Y.)·2026
Same journal

Correction: MRS4Brain: a software for preclinical proton and deuterium-based MR spectroscopic imaging data.

Magma (New York, N.Y.)·2026
Same journal

Influence of gadolinium-based contrast agent (GBCA) on the diffusion weightings of breast lesions: an intra-patient analysis.

Magma (New York, N.Y.)·2026
Same journal

Evaluation of the diffusion time dependence of the IVIM effect based on realistic capillary flow simulations in mouse brain.

Magma (New York, N.Y.)·2026
Same journal

An evaluation of brain volume and cortical thickness measurement at 0.55 T.

Magma (New York, N.Y.)·2026
Same journal

Net zero emission MR imaging using a permanent 0.4 T magnet.

Magma (New York, N.Y.)·2026
See all related articles

This study presents a simple method to measure magnetic field gradients in magnetic resonance imaging. Results reveal residual defects in gradient coil systems, crucial for accurate imaging and spectroscopy.

Area of Science:

  • Physics
  • Engineering
  • Medical Imaging

Background:

  • Accurate characterization of magnetic field gradients is essential for magnetic resonance imaging (MRI) and spectroscopy.
  • Understanding temporal and spatial field variations is critical for optimizing pulse sequences and data analysis.

Purpose of the Study:

  • To develop and demonstrate a straightforward method for characterizing magnetic field gradient behavior.
  • To investigate the performance of gradient coil systems in a superconducting magnet.

Main Methods:

  • Utilized a home-built magnetometer controlled by a personal computer.
  • Employed an array of spatially distributed small probes to record NMR signals.
  • Performed measurements on a 2-Tesla (T) superconducting magnet.

Related Experiment Videos

Main Results:

  • Successfully characterized the temporal and spatial dependence of the main magnetic field during gradient switching.
  • Identified residual defects within an active shielded gradient coils system.
  • Demonstrated the effectiveness of the developed measurement technique.

Conclusions:

  • The presented method offers a simple and effective way to assess magnetic field gradient performance.
  • The findings highlight the presence of imperfections in gradient coil systems that can impact MRI/MRS quality.
  • This characterization is vital for improving the precision and reliability of magnetic resonance techniques.