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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F12%3A33142287%21RIV13-MSM-15310___
rdf:type
n7:Vysledek skos:Concept
dcterms:description
Atmospheric pressure chemical ionization is known for producing unusual artifacts of the ionization process in some cases. In this work, processes occuring in atmospheric pressure chemical ionization/MS of orotic acid that afforded ions accompanying protonated and deprotonated orotic acid molecules in the spectra were studied. Two processes ran in parallel in the ion source: decarboxylation of neutral orotic acid and collision-induced dissociation of its protonated or deprotonated form. A procedure discerning pre-ionization decomposition and post-ionization dissociation by manipulating ion source parameters was proposed. Experiments with isotopically labeled solvents confirmed ion-molecule reactions of the product of collision-induced dissociation of protonated orotic acid with solvent molecules in the ion source and even under vacuum in the ion trap. Atmospheric pressure chemical ionization is known for producing unusual artifacts of the ionization process in some cases. In this work, processes occuring in atmospheric pressure chemical ionization/MS of orotic acid that afforded ions accompanying protonated and deprotonated orotic acid molecules in the spectra were studied. Two processes ran in parallel in the ion source: decarboxylation of neutral orotic acid and collision-induced dissociation of its protonated or deprotonated form. A procedure discerning pre-ionization decomposition and post-ionization dissociation by manipulating ion source parameters was proposed. Experiments with isotopically labeled solvents confirmed ion-molecule reactions of the product of collision-induced dissociation of protonated orotic acid with solvent molecules in the ion source and even under vacuum in the ion trap.
dcterms:title
Secondary processes in atmospheric pressure chemical ionization-ion trap mass spectrometry: a case study of orotic acid Secondary processes in atmospheric pressure chemical ionization-ion trap mass spectrometry: a case study of orotic acid
skos:prefLabel
Secondary processes in atmospheric pressure chemical ionization-ion trap mass spectrometry: a case study of orotic acid Secondary processes in atmospheric pressure chemical ionization-ion trap mass spectrometry: a case study of orotic acid
skos:notation
RIV/61989592:15310/12:33142287!RIV13-MSM-15310___
n7:predkladatel
n8:orjk%3A15310
n4:aktivita
n14:I n14:P
n4:aktivity
I, P(ED2.1.00/03.0058), P(GAP206/12/1150), P(ME10013)
n4:cisloPeriodika
6
n4:dodaniDat
n6:2013
n4:domaciTvurceVysledku
n5:4316851 n5:8390924 n5:7415540 n5:6833446
n4:druhVysledku
n17:J
n4:duvernostUdaju
n9:S
n4:entitaPredkladatele
n16:predkladatel
n4:idSjednocenehoVysledku
167157
n4:idVysledku
RIV/61989592:15310/12:33142287
n4:jazykVysledku
n18:eng
n4:klicovaSlova
hydrogen-deuterium exchange; ion-molecule reactions; collision-induced dissociation; atmospheric pressure chemical ionization; mass spectrometry; orotic acid
n4:klicoveSlovo
n11:ion-molecule%20reactions n11:hydrogen-deuterium%20exchange n11:collision-induced%20dissociation n11:atmospheric%20pressure%20chemical%20ionization n11:orotic%20acid n11:mass%20spectrometry
n4:kodStatuVydavatele
DE - Spolková republika Německo
n4:kontrolniKodProRIV
[F0828B3CEAFB]
n4:nazevZdroje
Journal of Mass Spectrometry
n4:obor
n13:CB
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
6
n4:projekt
n10:ED2.1.00%2F03.0058 n10:GAP206%2F12%2F1150 n10:ME10013
n4:rokUplatneniVysledku
n6:2012
n4:svazekPeriodika
47
n4:tvurceVysledku
Bednář, Petr Fryčák, Petr Lemr, Karel Jirkovský, Jaromír Havlíček, Vladimír Ranc, Václav
n4:wos
000305528300007
s:issn
1076-5174
s:numberOfPages
7
n20:doi
10.1002/jms.3006
n12:organizacniJednotka
15310