The laboratory technique of Protein Electrophoresis Serum is to measure and detect the levels of various proteins in a blood sample. The doctor may ask you to go for a test as such for a number of varied reasons. The test helps in the detection of a number of disorders or syndromes associated with the abnormal fall or rise in the levels of various proteins. The fact that the Electrophoresis technique cannot be used independently is something which cannot be denied. Thus, it comes with a combination of other laboratory tests to give accurate and reliable results.