| 摘要 |
PROBLEM TO BE SOLVED: To provide a device that can shorten a time required for pretreatment for PCR.SOLUTION: A device includes: a tube having a first portion and a second portion having an inside diameter smaller than that of the first portion; and a plunger insertable from the first portion side of the tube and having a tubular portion that can fit an inner surface of the first portion and a rod-like portion that can fit an inner surface of the second portion supported by the tubular portion, wherein when the tubular portion fits the inner surface of the first portion, a first state where the inner surface of the second portion and the rod-like portion are spaced apart from each other and a second state where the inner surface of the second portion and the rod-like portion fit together are formed, and in the first state, a communication path communicating the inside of the second portion with the inside of the tubular portion is formed, while in the second state, the communication path is blocked. |
