"introduction To Forensic Science"

a: Electrophoresis ~
b: stream containing many nets with holes

What: "One analogy that has been used is that gel electrophoresis is like a stream containing many nets with holes in them placed across the stream (the stream's current is analogous to the electrical charge running through the gel). The smallest fish in the stream pass through the nets most easily and will emerge downstream the fastest. Larger fish travel through the netting obstacles more slowly and, therefore, emerge at a later time. In a similar fashion, the smallest fragments pass through the gel fastest and travel the farthest. Larger fragments travel more slowly and are found closer to the starting point."

Writer: J. T. Spencer
Date: May 7 2013 10:00 AM

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