使用 6545 Q-TOF 液质联用系统采集脂质组数据
The measurement of lipids in a biological matrix to studytheir responses to diseases, drugs, genetic modifications, and other stimuli requires a Q-TOF system with outstanding resolution, mass accuracy, and sensitivity. In this application, the 6545 Q-TOF and 1290 Infinity LC system are used to analyze an induced sputum lipid extract from a donorwith chronic obstructive pulmonary disease (COPD). The 6545 Q-TOF is tuned by novel Swarm Autotune for optimal performance in the m/z range of the lipids, and data acquired in both positive and negative ionization modes with reference mass correction