Search Results - "Devos, Christophe"

Capillary gas chromatography inductively coupled plasma mass spectrometry (CGC-ICPMS) for the enantiomeric analysis of d, l-selenomethionine in food supplements and urine by Devos, Christophe, Sandra, Koen, Sandra, Pat

“…Capillary gas chromatography inductively coupled plasma mass spectrometry (CGC-ICPMS) was applied to the determination of d- and l-selenomethionine in food…”
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Improved accuracy in the determination of polycyclic aromatic hydrocarbons in air using 24h sampling on a mixed bed followed by thermal desorption capillary gas chromatography-mass spectrometry by Wauters, Eric, Van Caeter, Peter, Desmet, Gilbert, David, Frank, Devos, Christophe, Sandra, Pat

“…A new sampling method for the determination of polycyclic aromatic hydrocarbons (PAHs) in ambient air is described. The method is based on active sampling on…”
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Cellular energy allocation in the estuarine mysid shrimp Neomysis integer (Crustacea: Mysidacea) following tributyltin exposure by Verslycke, Tim, Vercauteren, Jordy, Devos, Christophe, Moens, Luc, Sandra, Pat, Janssen, Colin R

“…Recently, we described the cellular energy allocation (CEA) methodology to asses the effects of abiotic stress on the energy metabolism of the estuarine…”
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Untargeted flavor profiling of lager beers by stir bar sorptive extraction –capillary gas chromatography – time-of-flight mass spectrometry: High analytical performance with a green touch by Cucu, Tatiana, David, Frank, Devos, Christophe, Sandra, Pat

“…•Generic SBSE is used for extraction of flavor compounds from lager beers.•SBSE is a green analytical method with very broad extraction coverage of odor…”
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A new validated analytical method for the determination of tributyltin in water samples at the quantification level set by the European Union by Devos, Christophe, David, Frank, Sandra, Pat

“…► At sub-ng/L levels interferences are observed in TBT analysis. ► A new method for ultra-trace TBT analysis is presented. ► The combination of SBSE with…”
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Full evaporation dynamic headspace in combination with selectable one-dimensional/two-dimensional gas chromatography–mass spectrometry for the determination of suspected fragrance allergens in cosmetic products by Devos, Christophe, Ochiai, Nobuo, Sasamoto, Kikuo, Sandra, Pat, David, Frank

“…► We applied selectable 1D/2D GC–MS for the allergen analysis in perfume samples. ► No hardware changes are needed when switching between 1D and 2D analysis. ►…”
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Determination of pesticides in fatty matrices using gel permeation clean-up followed by GC-MS/MS and LC-MS/MS analysis: A comparison of low- and high-pressure gel permeation columns by David, Frank, Devos, Christophe, Dumont, Emmie, Yang, Zhen, Sandra, Pat, Huertas-Pérez, José Fernando

“…Two low-pressure columns (Bio-Beads SX-3) and three high-pressure GPC columns were compared for clean-up of a wide range of pesticides in fatty matrices of…”
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Improved sensitivity by use of gas chromatography—positive chemical ionization triple quadrupole mass spectrometry for the analysis of drug related substances by Gansbeke, Wim Van, Polet, Michael, Hooghe, Fiona, Devos, Christophe, Eenoo, Peter Van

“…•NH3 has better ionization characteristics than CH4 for GC-PICI-MS/MS purposes.•Combining chemical ionization and GC–MS/MS improves the detection…”
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Increasing productivity for the analysis of trace contaminants in food by gas chromatography–mass spectrometry using automated liner exchange, backflushing and heart-cutting by David, Frank, Tienpont, Bart, Devos, Christophe, Lerch, Oliver, Sandra, Pat

“…•Instrumental contamination due to minimized sample preparation is discussed.•Automated liner exchange was tested in a routine environment.•Pre-column…”
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Increasing productivity for the analysis of trace contaminants in food by gas chromatography-mass spectrometry using automated liner exchange, backflushing and heart-cutting: Advances in Food Analysis by DAVID, Frank, TIENPONT, Bart, DEVOS, Christophe, LERCH, Oliver, SANDRA, Pat

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Improved accuracy in the determination of polycyclic aromatic hydrocarbons in air using 24 h sampling on a mixed bed followed by thermal desorption capillary gas chromatography–mass spectrometry by Wauters, Eric, Van Caeter, Peter, Desmet, Gilbert, David, Frank, Devos, Christophe, Sandra, Pat

“…A new sampling method for the determination of polycyclic aromatic hydrocarbons (PAHs) in ambient air is described. The method is based on active sampling on…”
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Automated headspace-solid-phase micro extraction–retention time locked-isotope dilution gas chromatography–mass spectrometry for the analysis of organotin compounds in water and sediment samples by Devos, Christophe, Vliegen, Maarten, Willaert, Bart, David, Frank, Moens, Luc, Sandra, Pat

“…An automated method for the simultaneous determination of six important organotin compounds namely monobutyltin (MBT), dibutyltin (DBT), tributyltin (TBT),…”
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Determination of suspected allergens in non-volatile matrices using PTV injection with automated liner exchange and GC-MS by David, Frank, Devos, Christophe, Joulain, Daniel, Chaintreau, Alain, Sandra, Pat

“…A method is described for the analysis of suspected volatile allergens in products containing high molecular weight or non‐volatile compounds such as plant…”
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Stir Bar Sorptive Extraction for the Determination of ppq-Level Traces of Organotin Compounds in Environmental Samples with Thermal Desorption-Capillary Gas Chromatography−ICP Mass Spectrometry by Vercauteren, Jordy, Pérès, Christophe, Devos, Christophe, Sandra, Pat, Vanhaecke, Frank, Moens, Luc

“…The extraction and preconcentration capabilities of a new extraction technique, stir bar sorptive extraction, were combined with the separation power of…”
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Determination of the acaricide fenbutatin oxide in water samples by automated headspace-SPME-GC/MS by Devos, Christophe, Moens, Luc, Sandra, Pat

“…The analysis of the acaricide fenbutatin oxide (FBTO) having a molecular weight of 1052.66 g mol–1 in water samples by capillary GC/MS after in‐situ…”
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Automated headspace-solid-phase micro extraction-retention time locked-isotope dilution gas chromatography-mass spectrometry for the analysis of organotin compounds in water and sediment samples: Separation science: past, present and future: a tribute to Csaba Horváth by DEVOS, Christophe, VLIEGEN, Maarten, WILLAERT, Bart, DAVID, Frank, MOONS, Luc, SANDRA, Pat

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Capillary gas chromatography inductively coupled plasma mass spectrometry (CGC-ICPMS) for the enantiomeric analysis of D, L-selenomethionine in food supplements and urine: The impact of enantioseparation techniques on the development and use of chiral drugs by DEVOS, Christophe, SANDRA, Koen, SANDRA, Pat

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Automated capillary gas chromatographic system to monitor ethylene emitted from biological materials by Pham-Tuan, Hai, Vercammen, Joeri, Devos, Christophe, Sandra, Pat

“…An automated capillary gas chromatographic system to measure ethylene emitted from biological materials is presented. The system consists of an on-line…”
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Testosterone metabolism in the estuarine mysid Neomysis integer (Crustacea; Mysidacea) following tributyltin exposure by Verslycke, Tim, Poelmans, Sofie, De Wasch, Katia, Vercauteren, Jordy, Devos, Christophe, Moens, Luc, Sandra, Patrick, De Brabander, Hubert F., Janssen, Colin R.

“…Current evidence suggests that the biocide tributyltin (TBT) causes the development of imposex, a state of pseudoher‐maphrodism in which females exhibit…”
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Stir bar sorptive extraction for the determination of ppq-level traces of organotin compounds in environmental samples with thermal desorption-capillary gas chromatography-ICP by Vercauteren, Jordy, Peres, Christophe, Devos, Christophe, Pat, Sandra

“…The extraction and preconcentration capabilities of a new extraction technique, stir bar sorptive extraction, were combined with the separation power of…”
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