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Related Concept Videos

Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

2.4K
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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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

NMR Spectrometers: Overview

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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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Atomic Nuclei: Magnetic Resonance01:05

Atomic Nuclei: Magnetic Resonance

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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

NMR Spectrometers: Resolution and Error Correction

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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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MRM Microcoil Performance Calibration and Usage Demonstrated on Medicago truncatula Roots at 22 T
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NMRduino: A modular, open-source, low-field magnetic resonance platform.

Michael C D Tayler1, Sven Bodenstedt1

  • 1ICFO - Institut de Ciències Fotòniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain.

Journal of Magnetic Resonance (San Diego, Calif. : 1997)
|April 10, 2024
PubMed
Summary
This summary is machine-generated.

The NMRduino is an affordable, compact Nuclear Magnetic Resonance (NMR) spectrometer using open-source parts. It simplifies setup and data control, making NMR spectroscopy more accessible for research and education.

Keywords:
EducationHyperpolarizationLow-field NMRMagnetometryNuclear magnetismOpen-source instrumentation

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Area of Science:

  • Analytical Chemistry
  • Spectroscopy
  • Instrumentation

Background:

  • Nuclear Magnetic Resonance (NMR) spectroscopy is a powerful analytical technique.
  • Traditional NMR spectrometers can be expensive and complex to operate.
  • There is a need for more accessible and cost-effective NMR solutions.

Purpose of the Study:

  • To introduce the NMRduino, a novel, low-cost, sub-MHz NMR spectrometer.
  • To demonstrate the simplification of instrument setup and data acquisition control.
  • To highlight the potential applications of the NMRduino in research and education.

Main Methods:

  • Development of a compact NMR spectrometer using open-source hardware.
  • Integration of open-source software for instrument control and data acquisition.
  • Characterization of the NMRduino's performance at sub-MHz frequencies.

Main Results:

  • The NMRduino is a cost-effective and compact NMR spectrometer.
  • The system simplifies NMR setup and data acquisition.
  • The device demonstrates versatility for various applications.

Conclusions:

  • The NMRduino offers an accessible platform for experimental NMR spectroscopy.
  • Its design facilitates broader adoption in both research and educational settings.
  • The open-source nature promotes further development and customization.