CHAMPAIGN, Ill. — University of Illinois chemists have developed a simple sensor to detect an explosive used in shoe bombs. It could lead to inexpensive, easy-to-use devices for luggage and passenger screening at airports and elsewhere.
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Sniffing out shoe bombs: A new and simple sensor for explosive chemicals
Gold nanoparticles and catalytic DNA produce colormetric lead sensor
Detecting the presence of hazardous lead paint could become as simple as pressing a piece of paper against a wall and noting a color change. Scientists at the University of Illinois at Urbana-Champaign have developed a highly sensitive and selective biosensor that functions in much the same fashion as a strip of litmus paper.