Implementation of Ion/Ion Reactions in a Quadrupole/Time-of-Flight Tandem Mass Spectrometer
β Scribed by Xia, Yu; Chrisman, Paul A.; Erickson, David E.; Liu, Jian; Liang, Xiaorong; Londry, Frank A.; Yang, Min J.; McLuckey, Scott A.
- Book ID
- 127193715
- Publisher
- American Chemical Society
- Year
- 2006
- Tongue
- English
- Weight
- 187 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0003-2700
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A matrix-assisted laser desorption/ionization-quadrupole ion trap/reΓectron time-of-Γight (MALDI-QIT/reTOF) mass spectrometer design and its operation in both normal and tandem mass spectrometric modes are described. A parabolic reΓectron was found to be capable of providing mass resolution of 5000
A tandem quadrupole ion-storage trap, time-of-flight instrument using matrix-assisted laser desorptionl ionization has been constructed. Desorbed ions are lint trapped in an RF' field and collisionally relaxed prior to time-of-!light mass analysis. So far masses up to 90 kDa, a resolution of up to 7