By Layal Liverpool
A device inspired by fidget spinner toys can diagnose a urinary tract infection (UTI) in less than an hour, without the need for a laboratory or electricity.
The device takes advantage of the centrifugal force generated by spinning to push the urine sample through a membrane lining its interior. Any bacteria in the urine will be separated from the liquid and stick to the surface of the membrane. Adding a dye that stains bacterial cells orange will then reveal their presence within 45 minutes.
“It is easy to …