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Mass-resolved ion microscope imaging over expanded mass ranges using double-field post-extraction differential acceleration

Abstract:

A modified post-extraction differential acceleration (PEDA) technique employing two pulsed electrodes was used to demonstrate mass-resolved stigmatic imaging over a broad m/z range. By varying the pulse voltages, a potential energy cusp was introduced into the ion acceleration region of an imaging mass spectrometer, creating two m/z foci that were tuned to overlap at the detector plane. This resulted in two focused m/z distributions that stretched the mass-resolved window with m/Δm ≥ 1000 to ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.ijms.2017.06.010

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Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Chemistry
Sub department:
Physical & Theoretical Chem
Role:
Author
More by this author
Institution:
University of Oxford
Oxford college:
Jesus College
Role:
Author
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Grant:
FP7 ITN ‘ICONIC’, Project No. 238671
Publisher:
Elsevier Publisher's website
Journal:
International Journal of Mass Spectrometry Journal website
Volume:
429
Pages:
121-126
Publication date:
2017-07-03
Acceptance date:
2017-06-22
DOI:
ISSN:
1387-3806
Source identifiers:
709316
Keywords:
Pubs id:
pubs:709316
UUID:
uuid:51d7987d-f3db-4c6a-bf05-f5904c2f882f
Local pid:
pubs:709316
Deposit date:
2017-07-26

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