To provide a microreactor by which an amount of sampling blood or the like from a subject is suppressed to a minimum and by which a possibility that an operator contacts the blood or the like is reduced as far as possible.
The microreactor is provided with a reactor mainframe 4 which comprises a channel used to pass a sample, a sample dissolving part 5 which is installed in the reactor mainframe 4 and which is used to dissolve the sample, a needle 7 which is attached to a sample injection part of the part 5 so as to be freely detachable, a filter function part 9 which is installed in the reactor mainframe 4 so as to communicate with the part 5 and which filters and removes an insoluble residue from the sample, a DNA extraction part 11 which is installed in the reactor mainframe 4 so as to communicate with the part 5, and a check valve 10 which is installed in the reactor mainframe 4 between the part 5 and the part 11.
INUZUKA HIROMASA
TAWARA SATOSHI
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