Discontinuous atmospheric pressure interface
WebJun 15, 2010 · The system was fitted with a discontinuous atmospheric pressure interface to allow external ionization by desorption electrospray ionization (DESI). It was used to identify the explosives 2,4,6-trinitrotoluene (TNT), 2,4,6-trinitrophenyl-N-methylnitramine (Tetryl), and octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocane (HMX) … WebNov 24, 2024 · Discontinuous atmospheric pressure interface (DAPI) consisting of a pinch valve, a silicone tube, and two metal capillaries has been widely used in miniature mass spectrometry. It is …
Discontinuous atmospheric pressure interface
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WebAug 1, 2010 · The discontinuous atmospheric pressure interface (DAPI) has allowed the transfer of ions from atmospheric pressure ionization sources to an ion trap mass …
WebAnother aspect of the invention provides a method of discontinuously transferring ions at atmospheric pressure into a trapping device at reduced pressure, the method … WebThe performance of mass spectrometers with limited pumping capacity is shown to be improved through use of a discontinuous atmospheric pressure interface (DAPI). A …
WebApr 2, 2015 · The instrument used in this study was modified from the miniature mass spectrometer with continuous atmospheric pressure interface, which has been developed in our lab and reported in our... WebJun 1, 2009 · The discontinuous atmospheric pressure interface (DAPI) [5, 6] allows the transfer of ions, generated at atmospheric pressure, into the miniature mass spectrometer and, hence, direct analysis...
WebAug 1, 2024 · The discontinuous atmospheric pressure interface (DAPI) is especially suitable for miniature ion trap devices, because the change of gas pressure during a discontinuous injection can match the operation steps of the trap analyzer [10, 12, 19 ].
WebDec 7, 2024 · Discontinuous atmospheric pressure interface (DAPI), consisting of a pinch valve, a silicone tube, and two metal capillaries, is a common inlet for miniature ion trap mass spectrometers (ITMS). try to to laughWebAbstract The discontinuous atmospheric pressure interface (DAPI) has been developed as a facile means for efficiently introducing ions generated at atmospheric pressure to an ion trap in vacuum [e.g., a rectilinear ion trap (RIT)] for mass analysis. phillips dawn to dusk light bulbs outdoorWebJul 1, 2008 · The discontinuous atmospheric pressure interface (DAPI) is especially suitable for miniature ion trap devices, because the change of gas pressure during a discontinuous injection can match the ... phillips deliveryWebJun 1, 2009 · Discontinuous atmospheric pressure interfaces (DAPI) are used to match the rate of sample introduction to the pumping capacity of miniature mass spectrometers. … phillips deli washington dcWebJan 7, 2024 · The pressure conditions are important for performing a variety of ion manipulations in mass spectrometers including ion transfer, ion dissociation and mass analysis. In contrast with lab-scale... try to type fastWebSep 17, 2013 · The understanding of the gas dynamics of the atmospheric pressure interface is very important for the development of mass spectrometry systems with high sensitivity. While the gas flows at high pressure (>1 Torr) and low pressure (<10–3 Torr) stages are relatively well understood and could be modeled using continuum and … phillips development wiWebShort forms to Abbreviate Discontinuous. 3 popular forms of Abbreviation for Discontinuous updated in 2024. Suggest. Discontinuous Abbreviation ... Discontinuous Atmospheric Pressure Interface. Chemistry. DALS. Discontinuous Additional Lung Sound. Bioengineering, Microbiology. Related acronyms and abbreviations. Abbr. phillips dental water flosser