Bruker Autoflex maX TOF/TOF MALDI Mass Spectrometer

Mass Range : up to 500,000

Resolution :

Linear Mode
Positive Ion Mode            ≥ 1,100 @ m/z 12,361 (Cytochrome C)
Negative Ion Mode          ≥ 2,500 @ m/z 1,569 (Glu-Fib)
Reflector Mode
Positive Ion Mode           > 26,000 @ m/z 3,147 (Somatostatin)
Negative Ion Mode         > 13,000 @ m/z 1568.66 Glu-Fib)

Mass accuracy: <2 (int. calib.) [ppm] Reflector mode

Laser

• BRUKER smartbeam™-II laser, 355 nm wavelength
• Minimum number of 3.5*109 laser shots
• Repetition rate up to 2 kHz

Laser frequency [Hz]: 2000 (MS) / 200 (TOF/TOF)

Ion Optics                                 Effective Flight Length
Linear Mode                             120 cm
Reflector Mode                         215 cm

 

TOF/TOF-Acquisition:
Max. usable Laser speed                         200 Hz
MS/MS Sensitivity                                    [Glu1]-Fib fragment (m/z 1,056) @ S/N ≥ 10:1 for 250 amol shown on Bruker AnchorChip™ target with 2,000 laser shots
MS/MS Mass Accuracy                            Average Mass Error ≤ 0.05 Da for relevant fragments of [Glu1]-Fibrinopeptide B (m/z 1,570)
MS/MS fragment resolution                     ≥ 800 for [Glu1]-Fib fragment m/z 175
≥ 2,000 for [Glu1]-Fib fragment m/z 684
≥ 2,500 for [Glu1]-Fib fragment m/z 1,056
≥ 3,500 for [Glu1]-Fib fragment m/z 1,441

Pre Cursor Ion Selector Resolution Precursor ion selection has a resolution of ≥450.

Location: Hunter 241A

Contact:  Dr. Rakesh Sachdeva