erform a range of applications from protein identification, to biomarker discovery, de novo sequencing and metabolite profiling, with confidence. The Thermo Scientific™ LTQ Orbitrap XL™ Hybrid Ion Trap-Orbitrap Mass Spectrometer is a Fourier Transform Mass Spectrometer (FTMS) based on Thermo Scientific™ LTQ XL™ linear ion trap and Orbitrap mass spectrometer technologies. To enhance the flexibility of fragmentation experiments for advanced proteomics and small molecule research, the instrument features an HCD collision cell. - See more at: http://www.thermoscientific.com/content/tfs/en/product/ltq-orbitrap-xl-hybrid-ion-trap-orbitrap-mass-spectrometer.html#sthash.sPX6C1XL.dpuf