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Related Concept Videos

Applications Of NMR In Biology01:25

Applications Of NMR In Biology

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.
The...
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...
Nuclear Magnetic Resonance (NMR): Overview01:07

Nuclear Magnetic Resonance (NMR): Overview

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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Related Experiment Video

Updated: May 28, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

Magnetic nanoparticles for biomedical NMR-based diagnostics.

Huilin Shao1, Tae-Jong Yoon, Monty Liong

  • 1Center for Systems Biology, Massachusetts General Hospital, 185 Cambridge St, CPZN 5206, Boston, MA 02114, U.S.A.

Beilstein Journal of Nanotechnology
|October 7, 2011
PubMed
Summary
This summary is machine-generated.

Magnetic nanoparticles enhance biosensing sensitivity for early disease diagnosis. Diagnostic magnetic resonance (DMR) technology offers portable, low-cost detection of biomolecules and cells.

Keywords:
biosensordiagnosticsmagnetic nanoparticlemicrofluidicsnuclear magnetic resonance

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Last Updated: May 28, 2026

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
07:01

Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples

Published on: June 9, 2016

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring
17:16

Registered Bioimaging of Nanomaterials for Diagnostic and Therapeutic Monitoring

Published on: December 9, 2010

Biofunctionalization of Magnetic Nanomaterials
06:40

Biofunctionalization of Magnetic Nanomaterials

Published on: July 16, 2020

Area of Science:

  • Biomedical Engineering
  • Nanotechnology
  • Analytical Chemistry

Background:

  • Accurate detection of biomarkers, pathogens, and cells is crucial for disease diagnosis and personalized medicine.
  • Biological samples have low magnetic susceptibility, necessitating sensitive detection methods.
  • Magnetic nanoparticles (MNPs) offer enhanced sensitivity and reduced sample preparation for biosensing.

Purpose of the Study:

  • To review the application of MNPs in in vitro detection of biomolecules and cells using magnetic resonance.
  • To highlight the diagnostic magnetic resonance (DMR) platform and its advancements.
  • To discuss the potential of DMR technology for biomedical applications.

Main Methods:

  • Utilizing MNPs as proximity sensors in the DMR platform.
  • Exploiting the modulation of water molecule spin-spin relaxation times by MNPs.
  • Developing advanced MNPs, miniaturized detectors, and novel conjugational methods.

Main Results:

  • DMR technology demonstrates improved detection limits for various targets.
  • A library of MNPs enables quantification of DNA/mRNA, proteins, small molecules, bacteria, and tumor cells.
  • Recent advancements allow for parallel, sensitive measurements from small sample volumes.

Conclusions:

  • DMR technology, leveraging MNPs, provides a sensitive and efficient platform for biomolecular detection.
  • Advancements in MNPs and detection systems enhance DMR capabilities.
  • DMR is a promising technology for portable, low-cost, and efficient biomedical diagnostics.