Chemical Engineering: A high-tech snout sniffs out toxic trouble.
By Trevor ThiemePosted 01.18.2002 at 7:54 pm 0 Comments
You can't wear a gas chromatograph," says Nicholas Abbott, a chemical engineering professor at the University of Wisconsin-Madison. He's referring to a 50-pound device used to check air for chemical poisons. These days, when terrorism is a concern to all, there's considerable demand for a chemical sensor no larger than a badge.