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

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences01:17

NMR Spectrometers: Radiofrequency Pulses and Pulse Sequences

A pulse is a short burst of radio waves distributed over a range of frequencies that simultaneously excites all the nuclei in the sample. Upon passing a radio frequency pulse along the x-axis, the nuclei absorb energy corresponding to their Larmor frequencies and achieve resonance. This shifts the net magnetization vector from the z-axis toward the transverse plane. This angle of rotation of the magnetization vector, or the flip angle, is proportional to the duration and intensity of the pulse.
Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Double Resonance Techniques: Overview01:12

Double Resonance Techniques: Overview

Double resonance techniques in Nuclear Magnetic Resonance (NMR) spectroscopy involve the simultaneous application of two different frequencies or radiofrequency pulses to manipulate and observe two distinct nuclear spins. One important application of double resonance is spin decoupling, which selectively suppresses coupling with one type of nucleus while observing the NMR signal from another nucleus, simplifying the spectrum and enhancing resolution.
Spin decoupling is usually achieved by...

You might also read

Related Articles

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

Sort by
Same author

A System for Retrofitting Conventional MRI Systems for Simultaneous Multinuclear MRI/MRS.

NMR in biomedicine·2026
Same author

A High Power Vector Network Analyzer for Testing MRI Transmit Hardware.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Improvements to an Accessible and Flexible Spectrometer for Teaching and Research in MRI Based on the Analog Discovery.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

Odd-Leg Birdcages for Geometric Decoupling in Multinuclear Imaging and Spectroscopy.

Concepts in magnetic resonance. Part B, Magnetic resonance engineering·2025
Same author

An Accessible and Flexible Spectrometer for Teaching and Research in MRI Based on the Analog Discovery.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same author

An Investigation of Triple-Tuned Traps for MRI Receiver Coil Design.

Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference·2025
Same journal

Liver Diffusion Weighted MRI: Effect of Iron Overload on Apparent Diffusion Coefficient.

NMR in biomedicine·2026
Same journal

In Vivo Assessment of Placental Structure and Perfusion in Late-Gestation Pregnancies and Their Association With Fetal Growth.

NMR in biomedicine·2026
Same journal

Reproducibility of Splanchnic Blood Flow Measured Using Phase-Contrast MRI.

NMR in biomedicine·2026
Same journal

Restriction-Weighted Q-Space Trajectory Imaging (ResQ): Toward Mapping Diffusion-Time Effects With Tensor-Valued Diffusion Encoding in Human Prostate Cancer Xenografts.

NMR in biomedicine·2026
Same journal

In Vivo Quantitative Detection of PEGylated Macromolecules by Magnetic Resonance Spectroscopy.

NMR in biomedicine·2026
Same journal

Metabolic Assessment in Human Pluripotent Stem Cell-Derived Cerebral Organoids Using HR-MAS NMR Spectroscopy.

NMR in biomedicine·2026
See all related articles

Related Experiment Video

Updated: Jun 23, 2026

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI
11:00

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Published on: March 19, 2021

Single echo acquisition MRI using RF encoding.

Steven M Wright1, Mary Preston McDougall

  • 1Department of Electrical and Computer Engineering, Texas A&M University, TX, USA. smwright@tamu.edu

NMR in Biomedicine
|May 15, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces single echo acquisition (SEA) imaging, a novel magnetic resonance imaging (MRI) technique. SEA imaging uses radiofrequency (RF) coil encoding to achieve high-speed imaging, enabling new applications.

More Related Videos

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Acquisition of Resting-State Functional Magnetic Resonance Imaging Data in the Rat
12:41

Acquisition of Resting-State Functional Magnetic Resonance Imaging Data in the Rat

Published on: August 28, 2021

Related Experiment Videos

Last Updated: Jun 23, 2026

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI
11:00

Reliable Acquisition of Electroencephalography Data during Simultaneous Electroencephalography and Functional MRI

Published on: March 19, 2021

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease
09:30

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

Published on: December 18, 2016

Acquisition of Resting-State Functional Magnetic Resonance Imaging Data in the Rat
12:41

Acquisition of Resting-State Functional Magnetic Resonance Imaging Data in the Rat

Published on: August 28, 2021

Area of Science:

  • Magnetic Resonance Imaging (MRI)
  • Medical Physics
  • Biomedical Engineering

Background:

  • Conventional MRI relies on magnetic field gradients for spatial encoding, limiting imaging speed due to gradient power and nerve stimulation.
  • Parallel imaging accelerates MRI by using radiofrequency (RF) coil sensitivity patterns to partially encode spatial information, complementing gradient encoding.

Purpose of the Study:

  • To describe a one-dimensional limit of parallel imaging where RF coils perform all spatial localization in one dimension.
  • To introduce and detail the single echo acquisition (SEA) imaging technique for ultra-fast MRI.
  • To demonstrate the potential of SEA imaging for new MRI applications previously limited by speed constraints.

Main Methods:

  • Utilized a one-dimensional array of RF coil elements for spatial localization in one direction.
  • Acquired an entire image from a single line of k-space, minimizing gradient manipulation.
  • Employed a phase compensation gradient pulse to counteract RF coil pattern phase variations and prevent signal cancellation.

Main Results:

  • Demonstrated SEA imaging capable of acquiring MR movies at frame rates of 125 frames per second.
  • Showcased the ability to monitor transverse magnetization evolution and image rapid motion.
  • Validated image reconstruction and resolution enhancement methods compatible with SEA imaging's speed.

Conclusions:

  • SEA imaging, by leveraging inherent RF coil patterns rather than time-integrated gradients, overcomes speed limitations of conventional MRI.
  • This RF encoding approach enables novel MRI applications previously inaccessible due to temporal constraints.
  • SEA imaging offers a promising method for extending detection limits in magnetic resonance imaging.