Gel electrophoresis is a group of techniques used by scientists to separate molecules based on physical characteristics such as size, shape, or isoelectric point. Gel electrophoresis is usually performed for analytical purposes, but may be used as a preparative technique to partially purify molecules prior to use of other methods such as mass spectrometry, PCR, cloning, DNA sequencing, or immuno-blotting for further characterization.

GoldBamboo

... Why get tested?
To help diagnose and monitor multiple myeloma and a variety of other conditions that affect protein absorption, production, and loss as seen in severe organ disease and altered nutritional states

When to get tested?
If you have an abnormal total protein or albumin level or if your doctor suspects that you have a condition that affects protein concentrations in the blood and/or causes protein loss through the urine

Sample required?
A blood sample drawn from a vein in your arm; sometimes a random or 24-hour urine sample
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Lab Tests Online - more...

For specific types of electrophoresis (for example, the process of administ ...
Wikipedia - [full article]

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