Pexa AB specializes in developing and commercializing innovative technologies... Pexa AB specializes in developing and commercializing innovative technologies within the realm of respiratory medicine. The firm provides lung researchers with a straightforward, non-invasive technique to collect microscopic particles that serve as potential biomarkers for conditions affecting the small airways. Established in 2010 by Anna-Carin Olin, Pexa AB is based in Gothenburg, Sweden.