Fruit or vegetable packers concerned that their produce may be contaminated with unsafe pathogens will soon have a simple screening method they can use to ease or confirm their fears. It’s a handheld tool that’s said to be easy to use on-site, gives results in about an hour, and costs about a dollar per test. Called the X-Mark, the detection technology is being developed by nanoRETE, a Lansing, Michigan-based company formed to market the invention of a Michigan State University biosystems engineering professor, Dr. Evangelyn Alocilja. Alocilja directs the Nano-Biosensors Laboratory at MSU, and has been working on these kinds […]