A TEST that can detect as few as 100 dangerous bacteria in just 15 minutes
has been developed by researchers in Utah. The existing commercial tests take at
least a day.
The test could be used to detect bacteria such as the O157:H7 strain of
E. coli, which causes 20,000 cases of severe food poisoning a year and can
be fatal. It could also pick up other food-poisoning bugs such as Listeria
or Salmonella. Developed by Bart Weimer and his colleagues
at Utah State University in Logan, the sensor uses antibodies attached to a bed
of glass beads.…
