Duty cycle enhancement of an orthogonal acceleration TOF mass spectrometer using an axially-resonant excitation linear ion trap | Zendy

Yuichiro Hashimoto | Zendy; Hideki Hasegawa | Zendy; Hiroyuki Satake | Zendy; Takashi Baba | Zendy; Izumi Waki | Zendy

Open Access

Duty cycle enhancement of an orthogonal acceleration TOF mass spectrometer using an axially-resonant excitation linear ion trap

Author(s) -

Yuichiro Hashimoto,

Hideki Hasegawa,

Hiroyuki Satake,

Takashi Baba,

Izumi Waki

Publication year - 2006

Publication title -

journal of the american society for mass spectrometry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.961

H-Index - 127

eISSN - 1879-1123

pISSN - 1044-0305

DOI - 10.1016/j.jasms.2006.07.020

Subject(s) - duty cycle , ion trap , axial symmetry , chemistry , mass spectrometry , excitation , ion , acceleration , atomic physics , quadrupole ion trap , range (aeronautics) , time of flight mass spectrometry , time of flight , analytical chemistry (journal) , physics , materials science , voltage , chromatography , organic chemistry , quantum mechanics , classical mechanics , composite material , ionization

We report a new technique to enhance detection duty cycle of an orthogonal-acceleration time-of-flight mass spectrometer (oaTOF) over a broad mass range. To this end, we used an axially-resonant-excitation linear ion trap, which ejects ions axially and mass selectively into a non-mass-selective linear ion trap in front of the TOF pusher. A delay between the ejection timing of the non-mass-selective LIT and the push timing of the oaTOF was swept mass-synchronously with the axially-resonant-excitation linear ion trap, so that ions are detected with duty cycle larger than 60% over a wide mass range from m/z 174.1 to 1922.0, which is 3 to 10 times better than conventional oaTOF.

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