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Spatial encoding in Nuclear Magnetic Resonance

Spatial encoding in Nuclear Magnetic Resonance

Item no.: P5942300

Difficulty Expenditure of Time print
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Principle

It should be demonstrated how spatial encoding does work in the MR technology. Experiments are executed with a MRT training device giving the opportunity ton investigate some small probes in the sample chamber. Device control is done with the provided software. Investigations comprise the generation of a 1D spatial encoding procedure via an additional magnetic field gradient in the driection of encoding and the visualizations of spatiotemporal T1- and T2-profiles. T1 and T2 are specific to the particular sample material and thus give important evidence for the composition of the subject of investigation. 

Benefits

  • Complete, easy to install and affordable MRT education system
  • One system to cover all aspects from NMR basics to sophisticated 2D and 3D imaging sequences
  • Detailed experiment guides included with the system
  • Learning results guaranteed thanks to easy to manage course steps
  • Can be set up at any location in the student lab

Tasks

  1. 1D spatial encoding via a magnetic field gradient (frequency coding).
  2. Visualization of spatiotemporal T1-profiles in spatial encoding direction.
  3. Visualization of spatiotemporal T2-profiles in spatial encoding direction.

What you can learn about

  • Nuclear spins
  • Precession of nuclear spins
  • Resonance condition, MR frequency
  • MR flip angle
  • FID signal (Free Induction Decay)
  • Magnetic gradient fields
  • Spatial encoding (frequency coding)
  • Fast-Fourier-Transformation (FFT)
  • T1/T2 relaxation times 
  • Spin-lattice relaxation
  • Spin-spin relaxation
  • Dephasing
Document     Filesize
p5942100e_excerpt.pdf Experiment guide, English 1.62 MB

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