| abstract |
(57) [Problem] To efficiently and stably immobilize a probe on a substrate. A probe capable of specifically binding to a target substance, a probe medium containing a substance for immobilizing the probe on a substrate, a probe capable of binding specifically to a target substance, and a probe A probe medium comprising a plurality of binding substances including a substance A capable of binding and a substance B capable of binding on a substrate, and a probe capable of specifically binding to a target substance and a water-soluble polymer A probe medium comprising the material. |