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

Magnetic field mapping in NMR imaging.

M R Willcott1, G L Mee, J P Chesick

  • 1NMR Imaging, Inc., Houston, Texas 77092.

Magnetic Resonance Imaging
|January 1, 1987
PubMed
Summary

The Hahn spin preparation sequence enables fast and sensitive magnetic field mapping for Nuclear Magnetic Resonance (NMR) imaging. This study discusses its use in chemical shift imaging, including optimal pulse delay times.

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

Two-dimensional proton chemical-shift imaging of human muscle metabolites.

Journal of magnetic resonance (San Diego, Calif. : 1997)·1997
Same author

"What do nurses really do?".

Nursing·1997
Same author

Protein folding triggered by electron transfer.

Science (New York, N.Y.)·1996
Same author

Brain proton magnetic resonance spectroscopy studies in recently abstinent alcoholics.

Alcoholism, clinical and experimental research·1995
Same author

Dissecting and implementing STEAM spectroscopy.

Magnetic resonance in medicine·1993
Same author

Removing effects of eddy currents in proton MR spectroscopy.

Medical physics·1992

Area of Science:

  • Physics
  • Medical Imaging
  • Spectroscopy

Background:

  • Magnetic field inhomogeneity is a critical factor affecting NMR imaging quality.
  • Accurate mapping of magnetic fields is essential for advanced NMR applications.

Purpose of the Study:

  • To present the Hahn spin preparation sequence as a method for rapid and sensitive magnetic field inhomogeneity mapping.
  • To discuss the application of this sequence for chemical shift imaging.

Main Methods:

  • Utilized the Hahn spin preparation sequence for magnetic field mapping.
  • Analyzed the impact of radiofrequency (rf) pulse delay times (tau 1 and tau 2).

Main Results:

  • Demonstrated the sequence's capability for practical and sensitive magnetic field mapping.
  • Identified conditions and limitations for its use in chemical shift imaging.

Conclusions:

  • The Hahn spin preparation sequence is a valuable tool for NMR imaging applications.
  • Optimizing pulse delays is key for effective chemical shift imaging with this sequence.

Related Experiment Videos