From physorg, a DNA switch has been developed by British Molecular Biotechnology expert Dr Keith Firman at the University of Portsmouth working in collaboration with other European researchers. The DNA switch has immediate practical application in toxin detection, and could be used in a biodefence role as a biological sensor to detect airborne pathogens. The future applications are also considerable, including molecular scale mechanical devices for interfacing to computer-controlled artificial limbs. The device emits electrical signals – signals that can be sent to a computer. The switch, therefore, links the biological world with the silicon world of electronic signals.
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