Detecting waterborne, airborne and food borne contaminants usually involves collecting a sample, sending it to a laboratory and waiting for the samples to be identified. Now researchers are developing a “lab on a chip” where pathogens can be identified in minutes rather than days. One day the device could be part of a cell phone and people could easily test samples of water and food to see whether they are safe to ingest.

‘Lab on a Chip’ Detects Human, Agricultural Contaminants - By Susan McGinley, College of Agriculture and Life Sciences