A nonvolatile memory device includes a first node, a current source configured to have a current value determined according to a voltage supplied to the first node, and a memory cell string coupled to the first node, the memory cell string including at least one memory cell. The turned-up portion has an auxiliary turned-up portion passing through the vicinity of a radially outer side of the bead core. having a very thin porous hollow elongated metallic support tube having a thickness from 0. A biological sample can be rapidly subjected to the immunoassay without culturing or after culturing for a time before Mycobacterium tuberculosis complex bacteria in the sample substantially start to grow.