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

A three-dimensional spin-echo or inversion pulse

J M Pauly1, B S Hu, S J Wang

  • 1Information Systems Laboratory, Stanford University, CA 94305.

Magnetic Resonance in Medicine
|January 1, 1993
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

Magnetic Dipole Transition in ^{48}Ca.

Physical review letters·2024
Same author

Observation of the Exotic 0_{2}^{+} Cluster State in ^{8}He.

Physical review letters·2024
Same author

Isomeric Excitation Energy for ^{99}In^{m} from Mass Spectrometry Reveals Constant Trend Next to Doubly Magic ^{100}Sn.

Physical review letters·2023
Same author

Proton Distribution Radii of ^{16-24}O: Signatures of New Shell Closures and Neutron Skin.

Physical review letters·2022
Same author

Ab Initio Structure Factors for Spin-Dependent Dark Matter Direct Detection.

Physical review letters·2022
Same author

First Report of Seedling Blight of Watermelon Caused by Acidovorax citrulli Transmitted from Rootstock of Pumpkin in China.

Plant disease·2019
Same journal

Multi-Contrast Human Brain CEST MRI at 11.7 T: First In Vivo Demonstration.

Magnetic resonance in medicine·2026
Same journal

Suppression of Oscillation and Ghosting in RF-Spoiled Gradient-Echo-Based Dynamic Imaging.

Magnetic resonance in medicine·2026
Same journal

A Simple, Dynamic Geometric Phantom for MRI and CT Reconstruction Pipelines: Beyond Shepp-Logan.

Magnetic resonance in medicine·2026
Same journal

7T 3D-EPI PCASL With High SNR Efficiency and Robustness to Through-Plane B<sub>0</sub> Field Gradients.

Magnetic resonance in medicine·2026
Same journal

A Comparison of Tissue Property Values Estimated Using Conventional Cardiac MRF and MT-Cardiac MRF.

Magnetic resonance in medicine·2026
Same journal

Dependence of the Extra-Cellular Diffusion Coefficient on the Fractions of Neurites and Cell Bodies in Gray Matter.

Magnetic resonance in medicine·2026
See all related articles

Three-dimensional (3D) pi pulses are now achievable in magnetic resonance imaging (MRI) on standard equipment. This advance expands the possibilities for selective pulse design in advanced MRI applications.

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Pulse Sequence Design
  • Radiofrequency Engineering

Background:

  • Multidimensional pulses offer theoretical selectivity in numerous dimensions for MRI.
  • Practical limitations, primarily gradient power, have restricted their use to two dimensions.

Purpose of the Study:

  • To demonstrate the feasibility of three-dimensional (3D) pi pulses in MRI.
  • To overcome the limitations of gradient power for advanced pulse design.

Main Methods:

  • Designing and implementing 3D pi pulse sequences.
  • Testing feasibility on commercial MRI systems.
  • Evaluating performance under limited off-resonance frequency conditions.

Main Results:

Related Experiment Videos

  • Successful implementation of 3D pi pulses on commercial MRI scanners.
  • Demonstrated feasibility is contingent on limiting the range of off-resonance frequencies.
  • Overcame practical gradient power limitations for 3D pulse design.

    • Conclusions:

    • Three-dimensional pi pulses are practical for clinical MRI.
    • This expands the toolkit for selective excitation in MRI.
    • Future research can explore wider off-resonance ranges.