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Related Concept Videos

Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

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Nuclear magnetic resonance (NMR) is a phenomenon exhibited by certain nuclei that can absorb characteristic radio frequency radiation under certain conditions. NMR has been extensively applied in molecular spectroscopy and medical diagnostic imaging. In both these applications, the molecule or subject under study is placed in a magnetic field and irradiated with radio frequency energy.
NMR spectroscopy generates a spectrum where the characteristic absorption frequencies of the sample are...
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Atomic Nuclei: Magnetic Resonance01:05

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The number of nuclear spins aligned in the lower energy state is slightly greater than those in the higher energy state. In the presence of an external magnetic field, as the spins precess at the Larmor frequency, the excess population results in a net magnetization oriented along the z axis. When a pulse or a short burst of radio waves at the Larmor frequency is applied along the x axis, the coupling of frequencies causes resonance and flips the nuclear spins of the excess population from the...
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Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

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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...
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NMR Spectrometers: Resolution and Error Correction01:14

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When magnetic nuclei in a sample achieve resonance and undergo relaxation, the signal detected in NMR is an approximately exponential free induction decay. Fourier transform of an exponential decay yields a Lorentzian peak in the frequency domain. Lorentzian peaks in an NMR spectrum are defined by their amplitude, full width at half maximum, and position, where the peak width is governed by the spin-spin relaxation time alone. In real experiments, however, the applied magnetic field is rendered...
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Applications Of NMR In Biology01:25

Applications Of NMR In Biology

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Nuclear magnetic resonance (NMR) spectroscopy is a very valuable analytical technique for researchers. It has been used for more than 50 years as an analytical tool. F. Bloch and E. Purcell formulated NMR in 1946 and won the 1952 Nobel Prize in Physics  for their work. Biological macromolecules such as proteins, nucleic acids, lipids, and organic molecules including pharmaceutical compounds, can be studied using this versatile tool that exploits the magnetic properties of certain nuclei.
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NMR Spectrometers: Overview01:20

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NMR spectrometers consist of a strong magnet, a radiofrequency transmitter, and a detector attached to a computer console for recording spectra of samples containing NMR-active nuclei. In first-generation NMR instruments called continuous-wave spectrometers, the resonance frequencies of the nuclei are determined by frequency-sweep or field-sweep methods. The magnetic field strength is fixed and the rf signal is swept in the former, while the radiofrequency signal is fixed and the magnetic field...
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Related Experiment Video

Updated: Feb 24, 2026

High-Temperature and High-Pressure In situ Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
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What is MR spectroscopy?

Karen Angela Manias1,2, Andrew Peet1,2

  • 1Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, West Midlands, UK.

Archives of Disease in Childhood. Education and Practice Edition
|August 28, 2017
PubMed
Summary
This summary is machine-generated.

¹H-Magnetic Resonance Spectroscopy (MRS) offers non-invasive biochemical insights, aiding pediatric diagnoses like brain tumors and metabolic diseases. Further trials are needed to integrate this advanced imaging technique into routine clinical practice for improved patient outcomes.

Keywords:
imagingneurologyoncology

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Area of Science:

  • Biomedical Imaging
  • Neuroscience
  • Biochemistry

Background:

  • ¹H-Magnetic Resonance Spectroscopy (MRS) is an advanced imaging technique.
  • It complements MRI by providing non-invasive biochemical information about tissues.
  • Current clinical uses are primarily in pediatrics for diagnosing various neurological conditions.

Purpose of the Study:

  • To provide an overview of ¹H-Magnetic Resonance Spectroscopy (MRS).
  • To discuss its potential clinical applications, particularly in pediatrics.
  • To address the challenges in translating MRS into routine clinical practice.

Main Methods:

  • Review of existing literature and clinical applications of ¹H-Magnetic Resonance Spectroscopy (MRS).
  • Discussion of MRS utility in diagnosing pediatric brain tumors, neonatal disorders, inherited metabolic diseases, traumatic brain injuries, demyelinating conditions, and infectious brain lesions.
  • Exploration of MRS applications beyond the brain, including liver disease and muscle metabolism disorders.

Main Results:

  • ¹H-Magnetic Resonance Spectroscopy (MRS) aids in diagnosing a range of pediatric neurological conditions.
  • It shows potential for improving diagnosis, treatment monitoring, surgical planning, and providing prognostic biomarkers for childhood brain tumors and other CNS diseases.
  • MRS is also utilized as a research tool in non-neurological conditions like liver and muscle disorders.

Conclusions:

  • ¹H-Magnetic Resonance Spectroscopy (MRS) has significant potential to enhance diagnosis and management of various diseases.
  • Wider clinical adoption requires further multicenter trials to establish definitive benefits and integrate the technique into standard care.
  • Overcoming translation challenges is key to realizing the full potential of MRS in improving patient care.