An extremely sensitive and selective sensor that can detect minute traces of the chemical nerve agents sarin and soman has been successfully tested by researchers at Johns Hopkins University. Sarin was the agent used in the infamous 1995 terrorist attack on a Tokyo subway. Both compounds are reputed chemical weapons in the arsenals of some countries.
The above story is based on materials provided by American Chemical Society. Note: Materials may be edited for content and length.
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American Chemical Society. "Nerve Agent Sensor A Million Times More Sensitive." ScienceDaily. ScienceDaily, 4 January 1999. <www.sciencedaily.com/releases/1999/01/990104073501.htm>.
American Chemical Society. (1999, January 4). Nerve Agent Sensor A Million Times More Sensitive. ScienceDaily. Retrieved March 7, 2014 from www.sciencedaily.com/releases/1999/01/990104073501.htm
American Chemical Society. "Nerve Agent Sensor A Million Times More Sensitive." ScienceDaily. www.sciencedaily.com/releases/1999/01/990104073501.htm (accessed March 7, 2014).