Biochip fuses protein to semiconductor

Purdue scientists have succeeded in building a biochip that bonds proteins onto semiconductor wafers. Other biochips already exist, including those that use DNA materials in the process of automated gene sequencing, but researchers are interested in protein chips because of potential applications that include quick diagnosis of diseases, chemotherapy effectiveness monitoring, and sensors for biological or chemical attack as well as crop diseases. The first planned use of the technology, according to Purdue, will be a sensor able to detect a common source of food poisoning.

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