About: Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A new integrated microchip for liquid chromatography–mass spectrometry (LC–MS) is presented. The chip is made from bonded silicon and glass wafers with structures for a packed LC column channel, a micropillar frit, a channel for optional optical detection, and a heated vaporizer section etched in silicon and platinum heater elements on the glass cover. LC eluent is vaporized and mixed with nebulizer gas in the vaporizer section and the vapor is sprayed out from the chip. Nonpolar and polar analytes can be efficiently ionized in the gas phase by atmospheric pressure photoionization (APPI) as demonstrated with polycyclic aromatic hydrocarbons (PAHs) and selective androgen receptor modulators (SARMs). This is not achievable with present LC–MS chips, since they are based on electrospray ionization, which is not able to ionize nonpolar compounds efficiently A new integrated microchip for liquid chromatography–mass spectrometry (LC–MS) is presented. The chip is made from bonded silicon and glass wafers with structures for a packed LC column channel, a micropillar frit, a channel for optional optical detection, and a heated vaporizer section etched in silicon and platinum heater elements on the glass cover. LC eluent is vaporized and mixed with nebulizer gas in the vaporizer section and the vapor is sprayed out from the chip. Nonpolar and polar analytes can be efficiently ionized in the gas phase by atmospheric pressure photoionization (APPI) as demonstrated with polycyclic aromatic hydrocarbons (PAHs) and selective androgen receptor modulators (SARMs). This is not achievable with present LC–MS chips, since they are based on electrospray ionization, which is not able to ionize nonpolar compounds efficiently (en)
Title	Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry (en)
skos:prefLabel	Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry (en)
skos:notation	RIV/61388971:_____/10:00354131!RIV11-AV0-61388971
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z50200510)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Pól, Jaroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Mikrobiologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	264264
http://linked.open...ai/riv/idVysledku	RIV/61388971:_____/10:00354131
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Liquid chromatography; Mass spectrometry; Microchip (en)
http://linked.open.../riv/klicoveSlovo	Liquid chromatography Mass spectrometry Microchip
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[B1EE00523130]
http://linked.open...i/riv/nazevZdroje	Analytica Chimica Acta
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	662
http://linked.open...iv/tvurceVysledku	Kostiainen, R. Pól, Jaroslav Franssila, S. Haapala, M. Kolari, K. Kotiaho, T. Saarela, V.
http://linked.open...ain/vavai/riv/wos	000275340600006
http://linked.open...n/vavai/riv/zamer	Microorganisms in Research and Biotechnology
issn	0003-2670
number of pages	7 (xsd:int)
is http://linked.open...avai/riv/vysledek of	Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry Integrated liquid chromatography–heated nebulizer microchip for mass spectrometry

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