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4th Feb 2021

Friday 11 November 2016

STPM Biology Biological Molecules (Part 25)

Analytical Techniques – Electrophoresis

  • Electrophoresis is a technique used to separate charged molecules such as amino acids and proteins using an electric field.
  • Charged molecules migrate in an electric field. The rate of migration depends on the size, shape and charge of the molecule. 
  • So different types of molecules will be separated in the field.

How to use a paper electrophoresis to separate a mixture of amino acids?

Paper electrophoresis
Paper electrophoresis

Process of paper electrophoresis
Process of paper electrophoresis

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