Research 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) Research Pulmonary Imaging Research MR Hardware Engineering Hyperpolarisation Hyperpolarised gas ventilation images from four patients with COPD (top) and four patients with asthma (bottom). Current studies Links Medical School: Imaging