MagBiosense (Inc.) is a medical device company developing a diagnostic device and test for heart attacks, offering laboratory-quality sensitivity and the rapid results and ease of use of a point-of-care (POC) system.

The company won 1st place in the Accelerate St. Louis Challenge ($50,000), which is a competition among the St. Louis startups, Peabody Energy Arch Grant, which is a global startup competition providing $50,000 non-dilutive grants to early stage ventures, and 1st place in the Olin Cup ($50,000), a business plan competition led by The Skandalaris Center for Entrepreneurial Studies at Washington University in St. Louis.