Chips That Listen to Bacteria

Researchers led by Ken Shepard (electrical engineering and biomedical engineering professor, Columbia Engineering) and Lars Dietrich, biological sciences assistant professor, Columbia University) have shown integrated circuit technology can be used for a most unusual application--the study of signaling in bacterial colonies. They have developed a chip based on CMOS technology that enables them to electrochemically image the signaling molecules from these colonies spatially and temporally--they've developed chips that "listen" to bacteria.

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