Instrument | Characteristics | Performance for proteomics | ||||
---|---|---|---|---|---|---|
Ion source | Mass resolution | Sensitivity | Dynamic range | Identification | Quantification | |
QIT, LTQ | ESI & MALDI | Low to medium | Medium | Narrow to medium | Medium | Medium |
QqQ | ESI | Low | High | Very wide | Low | Very high |
TOF-TOF | MALDI | Medium | Medium | Narrow | High | Low |
Q-TOF | ESI & MALDI | Medium | Medium | Medium | High | High |
LTQ-Orbitrap | ESI & MALDI | Medium to high | Medium | Narrow to medium | High | Medium |
FTICR | ESI & MALDI | Very high | Medium | Very narrow | High | Very low |