Many people have had food poisoning and won't soon forget it. Colorado State University chemists are trying to fix that.
Borrowing concepts from medical diagnostic devices, they've created a simple, cheap set of handheld tests that can detect the presence of many water or foodborne pathogens. If applied in the field, such tests could greatly reduce the number of expensive follow-up tests needed to keep the food supply safe from fecal contamination.
The new testing systems are
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