About: Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I

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About: Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I - Derivatives of 3-quinuclidinol Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A method based on the coupling of capillary electrophoresis with mass spectrometry (CE/MS) was developed for the monitoring of 3-quinuclidinol and its four N-alkyl derivatives (methyl, ethyl, propyl and isopropyl derivatives). A fragmentation study (collision-induced dissociation of ions in an ion trap) and optimization of the ion optics set-up for CE/MS experiments using direct infusion of a methanolic solution of the standards into the mass spectrometer were carried out in advance. Molecular ions ofall quaternary compounds and the quasi-molecular ion [M + H](+) of free 3-quinuclidinol prevail in the mass spectra. In the MS/MS of propyl and isopropyl derivatives, the elimination of the alkyl chain dominates, leading to the ion at m/z 128. The fragm entation of the other compounds is more complex. Previous CE separation of the mixture of isobaric propyl and isopropyl derivatives is necessary for their unambiguous identification. A 10 mm ammonium acetate buffer (pH 4.0) is the optimum running electro A method based on the coupling of capillary electrophoresis with mass spectrometry (CE/MS) was developed for the monitoring of 3-quinuclidinol and its four N-alkyl derivatives (methyl, ethyl, propyl and isopropyl derivatives). A fragmentation study (collision-induced dissociation of ions in an ion trap) and optimization of the ion optics set-up for CE/MS experiments using direct infusion of a methanolic solution of the standards into the mass spectrometer were carried out in advance. Molecular ions ofall quaternary compounds and the quasi-molecular ion [M + H](+) of free 3-quinuclidinol prevail in the mass spectra. In the MS/MS of propyl and isopropyl derivatives, the elimination of the alkyl chain dominates, leading to the ion at m/z 128. The fragm entation of the other compounds is more complex. Previous CE separation of the mixture of isobaric propyl and isopropyl derivatives is necessary for their unambiguous identification. A 10 mm ammonium acetate buffer (pH 4.0) is the optimum running electro (en)
Title	Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I - Derivatives of 3-quinuclidinol Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I - Derivatives of 3-quinuclidinol (en)
skos:prefLabel	Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I - Derivatives of 3-quinuclidinol Capillary electrophoresis/mass spectrometry: a promising tool for the control of some physiologically hazardous compounds. I - Derivatives of 3-quinuclidinol (en)
skos:notation	RIV/61989592:15310/02:00001413!RIV/2003/MSM/153103/N
http://linked.open.../vavai/riv/strany	1213-1218
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 153100013)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Stránský, Zdeněk Hlaváč, Jan Barták, Petr Lemr, Karel Bednář, Petr Ševčík, Juraj Fryšová, Iveta Stýskala, Jakub
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	Univerzita Palackého v Olomouci / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	640097
http://linked.open...ai/riv/idVysledku	RIV/61989592:15310/02:00001413
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	3-quinuclidinol; quaternary ammonium salt; capillary electrophoresis; electrospray ionization; mass spectrometry; capillary electrophoresis/mass spectrometry (en)
http://linked.open.../riv/klicoveSlovo	capillary electrophoresis electrospray ionization mass spectrometry 3-quinuclidinol capillary electrophoresis/mass spectrometry quaternary ammonium salt
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[1B80F0B84FD8]
http://linked.open...i/riv/nazevZdroje	Journal of Mass Spectrometry
http://linked.open...in/vavai/riv/obor	CB
http://linked.open...ichTvurcuVysledku	8 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	37
http://linked.open...iv/tvurceVysledku	Barták, Petr Bednář, Petr Hlaváč, Jan Lemr, Karel Ševčík, Juraj Stýskala, Jakub Stránský, Zdeněk Wiedermanová, Iveta
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20153100013
issn	1076-5174
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	15310

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