electrospray ionization (ESI)
Characterization of isomers selenium containing compounds and determination of isomer ratio from Se-rich yeast water extract using electrospray ionization and Ion Mobility Mass Spectrometry
... N-2,3-dihydroxypropionyl-selenocystathionine ([M+H] + :C 10 H 19 N 2 O 7 Se + , m/z: 359) was identified in Se-rich yeast water extract by three dimensional liquid chromatography using Inductively Coupled Plasma Mass ...
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Structural characterization of hexoses and pentoses using lead cationization. An electrospray ionization and tandem mass spectrometric study
... Desorption Ionization mass spectrometry ...recently, electrospray ionization (ESI) has been also used successfully to characterize isomeric disaccharides 17,18 and to analyse bigger ...soft ...
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Quantitative high-throughput analysis of domoic acid in mussel tissue homogenates using laser ablation electrospray ionization – MS/MS
... Ablation Electrospray Ionization (LAESI) is an ambient ionization technique for mass spectrometry that uses a laser to produce a fine mist of neutral droplets of sample liquid followed by ...
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Separation, identification and quantitation of ceramides in human cancer cells by liquid chromatography–electrospray ionization tandem mass spectrometry
... ¨ evaporative light-scattering detector for the ceramide from Macherey–Nagel (Duren, Germany). The mo- visualization and identification provides direct analy- bile phase was a gradient mixture formed as follows: sis ...
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Detection, identification, and occurrence of thiotetronic acids in drinking water from underground sources by electrospray ionization-high field asymmetric waveform ion mobility spectrometry-quadrupole time-of-flight-mass spectrometry
... (e.g., electrospray ionization-Fourier transform ion cyclotron resonance-mass spectrometry (ESI-FTICR-MS)) has been used to investigate the chemical composition of ...
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Chemical profile of pineapple cv. Vitória in different maturation stages using electrospray ionization mass spectrometry.
... and is therefore able to identify thousands of compounds in a short analysis time (t ∼ 30 s). On the other hand, the GC–MS pro- vides information of low molecular weight molecules ( <500 Da), where the molecules need ...
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High-throughput screening of domoic acid in shellfish by laser ablation electrospray ionization (LAESI)-HRMS
... Ablation Electrospray Ionization (LAESI) is an ambient ionization technique for mass spectrometry that uses a mid-IR laser to produce a fine mist of neutral droplets of sample ...liquid. ...
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Rapid screening and quantitation of domoic acid in shellfish homogenates using laser ablation electrospray ionization mass spectrometry (LAESI-MS)
... ablation electrospray ionization (LAESI) interfaced to a high resolution/accurate mass ...by electrospray to ionize the sample prior to introduction into the mass spectrometer (Figure ...
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Gas-Phase reactivity of lead(II) Ions with D-Glucose. Combined Electrospray Ionization Mass Spectrometry and Theoretical Study
... Conversely, bare lead ion Pb + (m/z 208), originating from PbOH + by loss of a hydroxyl radical, starts to appear at DP=50 Volts, to become the base peak at the highest DP. Numerous studies have shown that ...
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Differentiation of the fucoidan bulding blocks sulfated l-fucose isomers by electrospray ionization mass spectrometry, hyphenated capillary electrophoresis and theoretical molecular calculations
... . Electrospray ionization mass spectrometry is widely recognized as a powerful and highly sensitive analytical method for the characterization of sulfated oligosaccharides that ionize readily in negative ...
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Determination of lidocaine and its two N-desethylated metabolites in dog and horse plasma by high-performance liquid chromatography combined with electrospray ionization tandem mass spectrometry
... A sensitive method for the quantification of lidocaine and its metabolites, monoethylglycinexylidide (MEGX) and glycinexylidide (GX), in animal plasma using high-performance liquid chromatography combined with ...
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Quantitative analysis of positional isomers of triacylglycerols via electrospray ionization tandem mass spectrometry of sodiated adducts
... https://doi.org/10.1002/rcm.4700 Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Quantitative analysis of positional isomers of triacylglycerols via ...
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Sorption of Aldrich Humic Acids onto Hematite: Insights into Fractionation Phenomena by Electrospray Ionization with Quadrupole Time-of-Flight Mass Spectrometry
... Sorption of Aldrich Humic Acids onto Hematite: Insights into Fractionation Phenomena by Electrospray Ionization with Quadrupole Time-of-Flight Mass Spectrometry.. Sorption of Aldrich hum[r] ...
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Separation and characterization of alkaloids in goldenseal (Hydrastis canadensis) by ultra-performance liquid chromatography coupled with electrospray ionization quadruple time of flight mass spectrometry (UPLC/Q-TOF-MS)
... https://doi.org/10.1007/s00216-013-7558-x Access and use of this website and the material on it are subject to the Terms and Conditions set forth at Separation and characterization of alkaloids in goldenseal (Hydrastis ...
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Determination of affinity, stoichiometry and sequence selectivity of minor groove binder complexes with double-stranded oligodeoxynucleotides by electrospray ionization mass spectrometry
... ABSTRACT Electrospray mass spectrometry was evaluated regarding the reliability of the determination of the stoichiometries and equilibrium association con- stants from single ...the electrospray ioniza- ...
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Native Desorption Electrospray Ionization Liberates Soluble and Membrane Protein Complexes from Surfaces
... ambient ionization methods described previously we note the addition of chemicals in the spray solution in reactive DESI applica- tions for small molecule ...
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Biotransformation of the triketone herbicide Mesotrione by a Bacillus strain. Metabolite profiling using liquid chromatography/electrospray ionization quadrupole-time of flight mass spectrometry.
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Mechanism of enzymatic degradation of the azo dye Orange II determined by ex situ 1H nuclear magnetic resonance and electrospray ionization-ion trap mass spectrometry
... L’archive ouverte pluridisciplinaire HAL, est destinée au dépôt et à la diffusion de documents scientifiques de niveau recherche, publiés ou non, émanant des établissements d’enseignemen[r] ...
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Simple liquid chromatography-electrospray ionization ion trap mass spectrometry method for the quantification of galacto-oxylipin arabidopsides in plant samples
... Signal suppression or enhancement due to matrix effects were evaluated by performing arabidopside dilutions of purified molecules in acetonitrile:water (30:70) in triplicate and by spik[r] ...
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Gas-Phase reactivity of silver and copper coordinated monosaccharides cations studied by electrospray ionization and tandem mass spectrometry
... by electrospray present the same decomposition pathways that those observed under FAB/MIKES conditions, that is a loss of methanol for the α-anomer and a loss of silver hydride for the ...
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