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Related Concept Videos

Electro-mechanical Systems01:19

Electro-mechanical Systems

Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
Scanning Electron Microscopy01:07

Scanning Electron Microscopy

A scanning electron microscope (SEM) is used to study the surface features of a sample by using an electron beam that scans the sample surface in a two-dimensional manner. Typically, areas between ~1 centimeter to 5 micrometers in width can be imaged. SEM can be used to image bacteria, viruses, tissues as well as larger samples like insects. Conventional SEM gives a magnification ranging from 20X to 30,000X and spatial resolution of 50 to 100 nanometers.
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Frequency Mixing Magnetic Detection Scanner for Imaging Magnetic Particles in Planar Samples
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Published on: June 9, 2016

Scanner components.

Volker C Behr1

  • 1Experimentelle Physik V (Biophysik), Universität Würzburg, 97074 Würzburg, Germany. behr@physik.uni-wuerzburg.de

Methods in Molecular Biology (Clifton, N.J.)
|August 30, 2011
PubMed
Summary
This summary is machine-generated.

Explore technological innovations in magnetic resonance imaging (MRI) scanners, including magnets, gradient units, and radio frequency hardware. Learn how hardware improvements enhance imaging quality for better MRI diagnostics.

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Area of Science:

  • Medical Imaging
  • Biomedical Engineering

Background:

  • Magnetic Resonance Imaging (MRI) advancements occur in both methodological and technological domains.
  • Technological innovations in MRI scanners are crucial for improving diagnostic capabilities.

Purpose of the Study:

  • To focus on the technological aspects of MRI scanners.
  • To explain fundamental concepts related to MRI hardware.
  • To provide guidance on addressing hardware-related issues in MRI.

Main Methods:

  • Introduction to magnets and gradient units used in MRI systems.
  • Detailed description and explanation of radio frequency (rf) hardware.
  • Discussion of custom-built devices for hardware improvement.

Main Results:

  • Understanding of MRI magnet and gradient unit functionalities.
  • Comprehension of radio frequency (rf) hardware's role in image quality.
  • Insights into improving MRI imaging quality through hardware optimization.

Conclusions:

  • Technological innovations, particularly in RF hardware, significantly impact MRI imaging quality.
  • Knowledge of MRI hardware allows for effective troubleshooting and performance enhancement.
  • Custom-built solutions can optimize MRI scanner performance.