| abstract |
PROBLEM TO BE SOLVED: To provide a method for purifying a biological substance from a sample containing the biological substance by an inexpensive and simple method. SOLUTION: A step of mixing a biological substance-binding carrier, a sample containing a biological substance and a biological extraction solution, a step of separating the biological substance-binding carrier from a liquid, and a step of: The biological material is purified by a method including a step of releasing the biological material. Thereby, the biological material can be released from the carrier according to the electrical properties of the biological material. |