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Related Concept Videos

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...
Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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Related Experiment Video

Updated: May 24, 2026

In vivo 19F MRI for Cell Tracking
10:05

In vivo 19F MRI for Cell Tracking

Published on: November 25, 2013

MPI Cell Tracking: What Can We Learn from MRI?

Jeff W M Bulte1, Piotr Walczak, Bernhard Gleich

  • 1Russell H. Morgan Dept. of Radiology and Radiological Science, Division of MR Research, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.

Proceedings of Spie--The International Society for Optical Engineering
|March 6, 2012
PubMed
Summary
This summary is machine-generated.

Magnetic resonance imaging (MRI) cell tracking uses superparamagnetic iron oxide (SPIO) particles. Magnetic particle imaging (MPI) offers advantages for tracking transplanted cells with higher sensitivity and linear quantification.

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Area of Science:

  • Biomedical imaging
  • Cellular therapeutics
  • Nanotechnology

Background:

  • Magnetic resonance imaging (MRI) cell tracking is crucial for monitoring transplanted cells.
  • Real-time monitoring of cell injection, engraftment, and biodistribution is vital for cellular therapeutics.
  • MRI cell tracking relies on superparamagnetic iron oxide (SPIO) particles for contrast.

Purpose of the Study:

  • To introduce Magnetic Particle Imaging (MPI) as a novel cellular imaging technique.
  • To highlight the advantages of MPI over MRI for cell tracking.
  • To explore the potential of SPIO particles as MPI tracers.

Main Methods:

  • Utilizing SPIO particles, commonly used in MRI, as tracers for MPI.
  • Loading cells with SPIO particles for imaging.
  • Detecting MPI signals from SPIO-loaded cells.

Main Results:

  • MPI demonstrates potential for linear quantification of cells.
  • MPI offers higher sensitivity compared to MRI.
  • MPI can identify "hot spots" without background signal interference.
  • Cells loaded with SPIO particles generate detectable MPI signals.

Conclusions:

  • MPI is a promising new technique for cellular imaging and cell tracking.
  • SPIO particles are viable tracers for MPI, enabling enhanced cell tracking capabilities.
  • Further development of MPI holds significant potential for advancing cellular therapeutics.