Planar Chromatography

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In biochemistry, large molecules (like proteins or DNA fragments) are frequently separated by gel chromatography. Since they are usually invisible, one needs to stain them. One row in the picture represents the stained separated fragments of a large molecule. The more intense the color, the higher the concentration found at that spot. This Demonstration shows the variation in intensity in a chromatogram.
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Contributed by: Michael Alois Margreiter (August 2011)
Open content licensed under CC BY-NC-SA
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"Planar Chromatography"
http://demonstrations.wolfram.com/PlanarChromatography/
Wolfram Demonstrations Project
Published: August 3 2011