| 摘要 |
A probe medium for being placed on a substrate comprises a probe which can specifically bond to a target substance and a substance having a site which can bond to the probe and/or a substance having a site which can bond to a substrate surface. A process for manufacturing a substrate on which a probe was immobilized comprises the steps of providing a substrate, and providing the substrate with the probe medium. A process for manufacturing a DNA array comprises the steps of providing a substrate, and providing the substrate with the probe medium. A process for detecting a target substance comprises the steps of providing a substrate, providing the substrate with the probe medium, and detecting the target substance using the substrate with the immobilized probe. A process for manufacturing a probe medium comprises the steps of providing a probe, a substance having a site which can bond to the probe, and a substance having a site which can bond to a substrate surface, placing respective solutions containing the substances having a site capable of bonding into containers, and mixing the probe and the substance having the site which can bond when the probe is immobilized to the substrate.
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