About: Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion?

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This work reports on a new and extremely simple approach for determination of a double bond position by a laser desorption ionization mass spectrometry. It is solely based on the catalytic properties of nanostructured surfaces used in nanoassisted laser desorption ionization experiments. These surfaces can induce oxidation of analytes, which results in a mass shift that can be detected by mass spectrometry. If a site of unsaturation is oxidized and cleaved, the m/z difference is diagnostic of the position of a double bond. By demonstrating that the oxidation depends on the analyte surface dwell time, it was proven that it is caused by the surface activity and not by the laser desorption ionization process itself. Control matrix-assisted laser desorption/ionization (MALDI)experiment showed only a limited partial oxidation and no time dependency of the process This work reports on a new and extremely simple approach for determination of a double bond position by a laser desorption ionization mass spectrometry. It is solely based on the catalytic properties of nanostructured surfaces used in nanoassisted laser desorption ionization experiments. These surfaces can induce oxidation of analytes, which results in a mass shift that can be detected by mass spectrometry. If a site of unsaturation is oxidized and cleaved, the m/z difference is diagnostic of the position of a double bond. By demonstrating that the oxidation depends on the analyte surface dwell time, it was proven that it is caused by the surface activity and not by the laser desorption ionization process itself. Control matrix-assisted laser desorption/ionization (MALDI)experiment showed only a limited partial oxidation and no time dependency of the process (en)
Title	Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion? Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion? (en)
skos:prefLabel	Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion? Time-Dependent Oxidation during Nano-Assisted Laser Desorption Ionization Mass Spectrometry: A Useful Tool for Structure Determination or a Source of Possible Confusion? (en)
skos:notation	RIV/61388971:_____/11:00369749!RIV12-AV0-61388971
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GPP206/10/P018), P(LC545), P(ME10013), Z(AV0Z50200510)
http://linked.open...iv/cisloPeriodika	14
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Havlíček, Vladimír Pavlásková, Kateřina Šulc, Miroslav Volný, Michael Strohalm, Martin Strnadová, Marcela
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	235374
http://linked.open...ai/riv/idVysledku	RIV/61388971:_____/11:00369749
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	DOUBLE-BOND POSITION; UNSATURATED FATTY-ACIDS; ELECTROSPRAY-IONIZATION (en)
http://linked.open.../riv/klicoveSlovo	ELECTROSPRAY-IONIZATION DOUBLE-BOND POSITION UNSATURATED FATTY-ACIDS
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[D3C286785D3F]
http://linked.open...i/riv/nazevZdroje	Analytical Chemistry
http://linked.open...in/vavai/riv/obor	CE
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Process of ionization during mass spectrometric analysis of small sample amounts. Functional Organisation of the Cell Desorption-ionization at atmospheric pressure: ambient mass spectrometry
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	83
http://linked.open...iv/tvurceVysledku	Pavlásková, Kateřina Šulc, Miroslav Havlíček, Vladimír Volný, Michael Strohalm, Martin Strnadová, Marcela
http://linked.open...ain/vavai/riv/wos	000292892000026
http://linked.open...n/vavai/riv/zamer	Microorganisms in Research and Biotechnology
issn	0003-2700
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1021/ac200801t

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