On 9 December 2014, Dr. Alexandros Chatgilialoglu will hold a seminar entitled “The dichotomy between in-vivo and in-vitro membrane lipidomics: an ubiquitous and underestimated problem” at Rizzoli Orthopedic Institute, Bologna, Italy. Dr. Chatgilialoglu will welcome and answer all questions on the topic and will be glad to exchange views with peers.