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Discontinuous atmospheric pressure interface

WebAdapted and commercialized Discontinuous Atmospheric Pressure Interface Linear Ion Trap Mass Spectrometer (the project was dropped … WebMay 24, 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… View on …

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WebThe 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 ... WebA systematic investigation of the optimization of M-DAPI was performed. The primary parameters affecting the performance of M-DAPI were optimized and sensitivity and … try to tl https://danielsalden.com

The discontinuous pressure field near an interface Γ.

WebMar 19, 2024 · Analyte/dopant ion peak intensity ratios in mass spectra could be used for quantitation to improve the quantitative analysis performance of miniature ion trap mass spectrometer equipped with a discontinuous atmospheric pressure interface (DAPI) with the prerequisite that dopant ions and analyte ions could be simultaneously and effectively ... WebFor the miniature mass spectrometer (MS) with a continuous atmospheric pressure interface (CAPI), the gas in the multi-stage chambers directly affects the performance of the instrument. In... WebWhile this interface-tracking family of approaches to multiphase flow simulation has been most popular, notable alternatives emerged too: an MPM formulation was introduced in … try to try ving

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Discontinuous atmospheric pressure interface

Development and application of a miniature mass spectrometer …

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