"SENSOR: Prof claims 5� device can sniff out ricin"
As government workers closed three Senate office buildings last week after intercepting a letter containing the deadly poison ricin, researchers at Pennsylvania State University said they have developed a cheap, wireless, ready-to-go sensor able to detect ricin and as many as nine other toxins simultaneously.
Audio Interviews / Text: http://www.eetimes.com/story/OEG20040209S0008