"Previous biodetection programs relied on continuous daily testing," Hultgren says. "Air filters would be collected every day by hand, and brought to a lab for analysis."
That lab analysis has now been engineered into a suitcase-sized box, and happens on site whenever the triggers detect unusual quantities of a biological agent. "We are aiming to do in 20 minutes what used to take two days," Hultgren says.
New Scientist (sub required0
photo credit of killed Bacillus subtilis that was sprayed
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