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1.
Increased sensitivity in proton transfer reaction mass spectrometry by incorporation of a radio frequency ion funnel
Andrew M Ellis, Stephen Mullock, Fraser Reich, Paul S Monks, Iain R White, Robert S Blake, Shane Barber, 2012, original scientific article

Abstract: A drift tube capable of simultaneously functioning as an ion funnel is demonstrated in proton transfer reaction mass spectrometry (PTR-MS) for the first time. The ion funnel enables a much higher proportion of ions to exit the drift tube and enter the mass spectrometer than would otherwise be the case. An increase in the detection sensitivity for volatile organic compounds of between 1 and 2 orders of magnitude is delivered, as demonstrated using several compounds. Other aspects of analytical performance explored in this study include the effective E/N (ratio of electric field to number density of the gas) and dynamic range over which the drift tube is operated. The dual-purpose drift tube/ion funnel can be coupled to various types of mass spectrometers to increase the detection sensitivity and may therefore offer considerable benefits in PTR-MS work.
Found in: ključnih besedah
Summary of found: ...A drift tube capable of simultaneously functioning as an...
Keywords: Analytical performance, Detection sensitivity, Drift tube, Dynamic range, Ion funnels, Proton-transfer reaction mass spectrometry, Volatile organic compounds
Published: 18.07.2019; Views: 488; Downloads: 0
.pdf Fulltext (799,47 KB)

2.
Mapping the Local: Budapest, Belgrade, Nova Gorica.
Elżbieta Wysakowska-Walters, Eszter Lazar, Szabolcs Kisspal, Peter Purg, Batajić Olivera Sretenović, Allan Siegel, 2019, professional monograph

Found in: ključnih besedah
Summary of found: ...mapping, methodology, city, urban, drift, flaneur, contemporary art, new media...
Keywords: mapping, methodology, city, urban, drift, flaneur, contemporary art, new media
Published: 29.10.2019; Views: 472; Downloads: 0
.pdf Fulltext (331,91 KB)

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