A simple centripetal force model for explaining the focusing effect of ion funnels
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2018.07.002
Abstract: Abstract The ion funnel is one of the key components for transferring ions from higher pressure into vacuum. While known for over twenty years and thoroughly analyzed by mathematical means and simulations, its working principle… read more here.
Keywords: force; ion; force model; ion funnel ... See more keywords
A new ion funnel for improving the transmission of low mass ions
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2021.116702
Abstract: Abstract To solve the problem of low mass ion discrimination of conventional ion funnel and optimize ion transmission, a new ion funnel with a quadrupolar electrode configuration, was evaluated, based on the theoretical modeling, in… read more here.
Keywords: transmission; mass; ion; ion funnel ... See more keywords
Increased Sensitivity in Proton Transfer Reaction Mass Spectrometry by Using a Novel Focusing Quadrupole Ion Funnel.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c01893
Abstract: Sensitivity enhancement in proton transfer reaction mass spectrometry (PTR-MS) is an important development direction. We developed a novel drift tube called a focusing quadrupole ion funnel (FQ-IF) for use in PTR-MS to improve the sensitivity.… read more here.
Keywords: sensitivity; proton transfer; transfer reaction; ion funnel ... See more keywords
Characterisation and optimisation of ion discrimination in a mini ion funnel for a miniature mass spectrometer
Sign Up to like & getrecommendations! Published in 2019 at "Analytical Methods"
DOI: 10.1039/c9ay00677j
Abstract: The ion discrimination in ion funnel was characterized. And a funnel RF scanning injection method was introduced to overcome the ion discrimination. read more here.
Keywords: characterisation optimisation; ion funnel; optimisation ion; ion ... See more keywords