'Nanocavity' Sensor Detects Virus-Sized Particles

Scientists have created a nanoscale device that is capable of detecting one quadrillionth of a gram of biological matter, or about the size of certain viruses. In the future, the sensor may be able to detect influenza, severe acute respiratory syndrome (SARS), bird flu, and other viruses.

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<p><a href="http://www.physorg.com/news117374843.html">'Nanocavity' Sensor Detects Virus-Sized Particles</a></p> <p>Scientists have created a nanoscale device that is capable of detecting one quadrillionth of a gram of biological matter, or about the size of certain viruses. In the future, the sensor may be able to detect influenza, severe acute respiratory syndrome (SARS), bird flu, and other viruses.</p>