BioScience Dictionary

 
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Found Electrophoresis 1 time.

Displaying results 1 to 10.

1. Electrophoresis (ionophoresis)
A method of separating large molecules (such as DNA fragments or protein s) from a mixture of similar molecules. An electric current is passed through a medium containing the mixture, and each kind of molecule travels through the medium at a different rate, depending on its electrical charge and size. Separation is based on these differences. Agarose and acrylamide gels are the media commonly used for electrophoresis of proteins and nucleic acid s. Specific electrophoretic methods include Northern blot , Southern blot , and Western blot .