| 摘要 |
Provided are a biosensor and a method of fabricating the same. The biosensor has a transistor structure including a gate electrode formed on a substrate, a gate insulating layer formed on the gate electrode, source and drain electrodes formed on the gate insulating layer, and a channel region formed between the source and drain electrodes. Here, the channel region includes an active layer formed of an active polymer sensing an antigen-antibody reaction and a hydrophilic nano particle. The active layer is formed through direct printing, for example, inkjet printing. The biosensor having such a structure can be increased in reactivity between an antigen and an antibody and hydrophilicity to improve the sensor's characteristics, fabricated in a large-area process using direct printing, and further facilitates formation of devices on various substrates formed of, for example, plastic.
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