Âé¶¹ÊÓÆµ Our multidisciplinary research into pulmonary, respiratory and lung imaging spans MRI methods, technology and clinical translation. You are here Home POLARIS (Pulmonary, Lung and Respiratory Imaging Sheffield) Âé¶¹ÊÓÆµ Pulmonary Imaging Âé¶¹ÊÓÆµ Hyperpolarisation MR Hardware Engineering Hyperpolarised gas ventilation images from four patients with COPD (top) and four patients with asthma (bottom). Current studies Sheffield-GE Lung MRI Protocol Links Medical School: Imaging