Getting results from a blood test can take anywhere from one day to a week, depending on what a test is targeting. The same goes for tests of water pollution and food contamination.
Tiny magnetic beads produce an optical signal that could be used to quickly detect pathogens sciencedaily.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from sciencedaily.com Daily Mail and Mail on Sunday newspapers.
MIT engineers identified an optical signature in a widely used class of magnetic “Dynabeads” that could be used to quickly detect contaminants in food, water, or the human body.