Researchers from The George Washington University and Northwestern University filed for protection of a bioresorbable, transparent, microelectrode array (MEA) technology that they believe offers unique advantages.

Dexcom Inc. put real money behind expanding its integration efforts, with a $75 million investment in the $200 million series D for Ōura Health Oy, the maker of the Ōura smart ring. Ōura and Dexcom also provided details on a strategic partnership that integrates data from Dexcom’s continuous glucose monitors with vital sign, sleep, stress, heart health and activity data from the Ōura ring.

U.K. researchers at Nottingham Trent University, the University of Southampton and University Hospital Southampton and product development company Zelemiq Ltd. developed a wearable sensor that accurately monitors and detects changes in people’s breathing without requiring direct contact with the skin.