References of "Focant, Jean-François"
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See detailValidated ready-to-use GC-MS/MS method for dioxin analysis in food and feed following the new EU Regulations
L'Homme, Benjamin ULg; Sandy, Chris; Scholl, Georges ULg et al

in Organohalogen Compounds (in press)

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See detailDeveloping the sixth sense of thanato-chemistry
Stefanuto, Pierre-Hugues ULg; Perrault, Katelynn; Varlet, Vincent et al

Scientific conference (2014, November)

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See detailComparison of the Decomposition VOC Profile during Winter and Summer in a Moist, Mid-latitude (Cfb) Climate
Forbes, Shari L.; Perrault, Katelynn A.; Stefanuto, Pierre-Hugues ULg et al

in PLoS ONE (2014), 9(e113681), 1-11

The investigation of volatile organic compounds (VOCs) associated with decomposition is an emerging field in forensic taphonomy due to their importance in locating human remains using biological detectors ... [more ▼]

The investigation of volatile organic compounds (VOCs) associated with decomposition is an emerging field in forensic taphonomy due to their importance in locating human remains using biological detectors such as insects and canines. A consistent decomposition VOC profile has not yet been elucidated due to the intrinsic impact of the environment on the decomposition process in different climatic zones. The study of decomposition VOCs has typically occurred during the warmer months to enable chemical profiling of all decomposition stages. The present study investigated the decomposition VOC profile in air during both warmer and cooler months in a moist, mid-latitude (Cfb) climate as decomposition occurs year-round in this environment. Pig carcasses (Sus scrofa domesticus L.) were placed on a soil surface to decompose naturally and their VOC profile was monitored during the winter and summer months. Corresponding control sites were also monitored to determine the natural VOC profile of the surrounding soil and vegetation. VOC samples were collected onto sorbent tubes and analyzed using comprehensive two-dimensional gas chromatography – time-of-flight mass spectrometry (GC6GC-TOFMS). The summer months were characterized by higher temperatures and solar radiation, greater rainfall accumulation, and comparable humidity when compared to the winter months. The rate of decomposition was faster and the number and abundance of VOCs was proportionally higher in summer. However, a similar trend was observed in winter and summer demonstrating a rapid increase in VOC abundance during active decay with a second increase in abundance occurring later in the decomposition process. Sulfur-containing compounds, alcohols and ketones represented the most abundant classes of compounds in both seasons, although almost all 10 compound classes identified contributed to discriminating the stages of decomposition throughout both seasons. The advantages of GC6GC-TOFMS were demonstrated for detecting and identifying trace levels of VOCs, particularly ethers, which are rarely reported as decomposition VOCs. [less ▲]

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See detailTaking Cadaveric Decomposition Chemistry out of Flatland
Stefanuto, Pierre-Hugues ULg; Perrault, K; Stadler, S et al

Conference (2014, July 07)

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See detailThe Sweet Smell of Science
Stefanuto, Pierre-Hugues ULg; Focant, Jean-François ULg

Scientific conference (2014, July)

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See detailReading Cadaveric Decomposition Chemistry with a New Pair of Glasses
Stefanuto, Pierre-Hugues ULg; Perrault, Katelynn; Stadler, Sonja et al

in CHEMPLUSCHEM (2014)

Smell it out! Thermal desorption has been coupled with comprehensive two-dimensional gas chromatography time of-flight mass spectrometry for the characterization of a cadaveric volatile organic compound ... [more ▼]

Smell it out! Thermal desorption has been coupled with comprehensive two-dimensional gas chromatography time of-flight mass spectrometry for the characterization of a cadaveric volatile organic compound mixture producedduring the active decay stage (see figure). The combined use of the Fisher ratio and principal component analysis provided further characterization of the chemical profile of decomposition. [less ▲]

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See detailGCxGC-HRTOFMS a Powerful Tool in Separation Science
Focant, Jean-François ULg

Scientific conference (2014, June)

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See detailPersistence of decomposition odour in soil analysed by GC×GC-TOFMS
Perreault, K; Stefanuto, Pierre-Hugues ULg; Stuart, B et al

Conference (2014, May 22)

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See detailTrappist Beers: Exploring the Cloak of Secrecy by GC×GC-TOFMS
Allen, C; Loughnane, C; Stefanuto, Pierre-Hugues ULg et al

Poster (2014, May 21)

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See detailMeasurement of Trace levle Dechlorane Flame Retardants in Food and Feed by GC-MS/MS
L'Homme, Benjamin ULg; Calaprice, C; Brasseur, Catherine ULg et al

Poster (2014, May 21)

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