ELECTRIC EXTRACTOR, ELECTRIC EXTRACTION DEVICE, AND ELECTRIC EXTRACTION METHOD

摘要

PROBLEM TO BE SOLVED: To collect a sample in an electrophoretic medium with high accuracy.SOLUTION: An electric extractor (100) which stores buffer solution in an internal portion includes: an opening (6) which opens to a medium (21) from the internal portion; an extraction chip (4) which includes an extraction electrode (1) arranged in the internal portion; and a counter electrode (9) which has a protruding portion (8) with a tip part contacting the medium (21) in a position facing the extraction chip (4) through the medium (21).SELECTED DRAWING: Figure 1