Improvements in Shotgun Proteomics Using a Benchtop Quadrupole Ultra- High-Field Orbitrap Tabiwang N. Arrey, 1 Eugen Damoc, 1 Kai Scheffler, 2 Yue Xuan, 1 Bromirski Maciej, 1 and Thomas Moehring, 1 Markus Kellmann 1 1 Thermo Fisher Scientific, Bremen, Germany; 2 Thermo Fisher Scientific, Dreieich, Germany