1. 
   SDS-PAGE
   Polyacrylamide gel electrophoresis (PAGE) in which the charge on the proteins results from their binding of SDS. Since the charge is proportional to the surface area of the protein, and the resistance to movement proportional to diameter, small proteins migrate further.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   SDS-PAGE
   SDS-PAGE, sodium dodecyl sulfate polyacrylamide gel electrophoresis, describes a technique widely used in biochemistry, forensics, genetics and molecular biology to separate proteins according to their electrophoretic mobility (a function of the length of a polypeptide chain and its charge). In mos...
   Found op http://en.wikipedia.org/wiki/SDS-PAGE
   
   

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