Move over, colonoscopies — researchers writing in ACS Sensors report that they have created tiny microspheres filled with bacteria that can sense the presence of blood, a key sign of gastrointestinal disease. These microspheres function like…

Move over, colonoscopies — researchers writing in ACS Sensors report that they have created tiny microspheres filled with bacteria that can sense the presence of blood, a key sign of gastrointestinal disease. These microspheres function like…