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Frontiers of Orbitrap Mass Spectrometry

Reputable Mentor II
Reputable Mentor II
Makarov A.
ASMS 2010 Presentation
There are many variants of the Orbitrap analyze. Here I would like to discuss in detail just one variant - so-called compact orbitrap. Actually, it is not that different from the standard trap- it is just 1.5 times smaller while the central electrode is relatively thicker. However, this scaling down means that the entrance aperture reduced more than twice in cross-section and therefore we could expect a similar loss of sensitivity. We simply could not afford to lose on sensitivity, so a miniature lens system was developed to focus ions into a much smaller spot.

Thermo Fisher Scientific
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Last update:
‎10-15-2021 09:15 AM
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