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Magnetic Resonance Imaging

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...

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Updated: Mar 24, 2026

Quantifying Mixing using Magnetic Resonance Imaging

Quantifying Mixing using Magnetic Resonance Imaging

Published on: January 25, 2012

MRI for Mixing Quality in Microfluidics.

J Götz¹, T Rudszuck¹, L Kontschak¹

¹Institute of Mechanical Engineering and Mechanics, KIT, Karlsruhe, Germany.

Magnetic Resonance in Chemistry : MRC

|March 23, 2026

Summary

This summary is machine-generated.

This study explores Magnetic Resonance Imaging (MRI) as a non-optical method for monitoring mixing in microfluidic systems. MRI offers detailed insights into hydrodynamic parameters and molecular mixing, overcoming limitations of traditional optical techniques.

Keywords:

MRI NMR chemical shift imaging mixing quality paramagnetic relaxation enhancement process monitoring

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Quantifying Mixing using Magnetic Resonance Imaging

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Area of Science:

Chemical Engineering
Fluid Dynamics
Analytical Chemistry

Background:

Liquid state processes frequently involve the mixing of multiple process streams.
Microfluidics in chemical engineering necessitates advanced analytical tools for spatial and time-resolved monitoring.
Optical techniques are common but limited by the requirement of sample optical transparency.

Purpose of the Study:

To investigate the potential of Magnetic Resonance Imaging (MRI) for analyzing microfluidic processes.
To assess MRI's capability in measuring hydrodynamic parameters within microfluidic devices.
To explore MRI for monitoring molecular and chemical information during mixing processes.

Main Methods:

Utilizing Magnetic Resonance Imaging (MRI) techniques.
Applying MRI for spatially and time-resolved measurements.
Analyzing hydrodynamic parameters and molecular/chemical information.

Main Results:

MRI demonstrates potential for non-invasive monitoring of mixing in microfluidic systems.
Hydrodynamic parameters can be effectively measured using MRI.
Molecular and chemical information can be obtained during the mixing process.

Conclusions:

Magnetic Resonance Imaging (MRI) presents a viable alternative to optical methods for microfluidic process monitoring.
MRI provides valuable insights into mixing dynamics and chemical composition.
Further exploration of MRI can enhance analytical capabilities in microfluidic chemical engineering.