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Toyoda et al., 2007 - Google Patents

High-energy collision induced dissociation fragmentation pathways of peptides, probed using a multiturn tandem time-of-flight mass spectrometer “MULTUM-TOF/TOF …

Toyoda et al., 2007

Document ID
17119184523936498994
Author
Toyoda M
Giannakopulos A
Colburn A
Derrick P
Publication year
Publication venue
Review of Scientific Instruments

External Links

Snippet

A new multiturn tandem time-of-flight (TOF) mass spectrometer “MULTUM-TOF/TOF” has been designed and constructed. It consists of a matrix-assisted laser desorption/ionization ion source, a multiturn TOF mass spectrometer, a collision cell, and a quadratic-field ion …
Continue reading at pubs.aip.org (other versions)

Classifications

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    • H01J49/34—Dynamic spectrometers
    • H01J49/42—Stability-of-path spectrometers, e.g. monopole, quadrupole, multipole, farvitrons
    • H01J49/4205—Device types
    • H01J49/422—Two-dimensional RF ion traps
    • H01J49/4225—Multipole linear ion traps, e.g. quadrupoles, hexapoles
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    • H01J49/4205—Device types
    • H01J49/424—Three-dimensional ion traps, i.e. comprising end-cap and ring electrodes
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    • H01J49/426—Methods for controlling ions
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    • H01J49/40—Time-of-flight spectrometers
    • H01J49/405—Time-of-flight spectrometers characterised by the reflectron, e.g. curved field, electrode shapes
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    • H01J49/40—Time-of-flight spectrometers
    • H01J49/403—Time-of-flight spectrometers characterised by the acceleration optics and/or the extraction fields
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    • H01J49/062—Ion guides
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    • H01J49/10—Ion sources; Ion guns
    • H01J49/16—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission
    • H01J49/161—Ion sources; Ion guns using surface ionisation, e.g. field-, thermionic- or photo-emission using photoionisation, e.g. by laser
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    • H01J49/004—Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn
    • H01J49/0045—Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn characterised by the fragmentation or other specific reaction
    • H01J49/0059—Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn characterised by the fragmentation or other specific reaction by a photon beam, photo-dissociation
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    • H01J49/0054—Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn characterised by the fragmentation or other specific reaction by an electron beam, e.g. electron impact dissociation, electron capture dissociation
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    • H01J49/04—Arrangements for introducing or extracting samples to be analysed, e.g. vacuum locks; Arrangements for external adjustment of electron- or ion-optical components
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    • H01J2237/153—Correcting image defects, e.g. stigmators
    • H01J2237/1538—Space charge (Boersch) effect compensation

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