References of "Focant, Jean-François"
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See detailStatistical comparisons of beer types using GC×GC-HRTOFMS
Stefanuto, Pierre-Hugues ULg; Dubois, Lena ULg; Perrault, Katelynn ULg et al

Scientific conference (2016, June 02)

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See detailPOP measurements: Tracking Down the Part in the Quintillion
Focant, Jean-François ULg

Conference (2016, June)

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See detailPhotoionization as a Soft Ionization Source for Comprehensive Two-dimensional GC (GCxGC) and High-Resolution TOFMS
Ubukata, M; Cody, RB; Dane, J et al

Poster (2016, June)

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See detailStructural classification and characterization of heavy petroleum base oil hydrocarbons by GC×GC-HR-TOF/MS
Giri, Anupam ULg; Courtiade, Marion; Racaud, Amandine et al

Conference (2016, May 31)

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See detailPeak dispersion evaluation and optimization in GC×GC
Stefanuto, Pierre-Hugues ULg; Dimandja, Jean-Marie; Focant, Jean-François ULg

Poster (2016, May 30)

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See detailGC×GC-HRTOFMS to better understand cloak-and-dagger activities of Madagascar Mantella frogs
Stefanuto, Pierre-Hugues ULg; Brasseur, Catherine; Cecchini, Harisoa et al

Poster (2016, May 30)

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See detailGC×GC-TOFMS for forensic blood VOC profiling
Dubois, Lena ULg; Perrault, Katelynn ULg; Stefanuto, Pierre-Hugues ULg et al

Poster (2016, May 30)

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See detailA New Approach for the Characterization of Organic Residues from Stone Tools Using GC×GC-TOFMS
Perrault, Katelynn ULg; Stefanuto, Pierre-Hugues ULg; Dubois, Lena ULg et al

in Separations (2016), 3(2), 16

Headspace solid-phase microextraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS) have traditionally been used, in combination with other analyses, for the chemical characterization of ... [more ▼]

Headspace solid-phase microextraction (HS-SPME) and gas chromatography-mass spectrometry (GC-MS) have traditionally been used, in combination with other analyses, for the chemical characterization of organic residues recovered from archaeological specimens. Recently in many life science fields, comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC×GC-TOFMS) has provided numerous benefits over GC-MS. This study represents the first use of HS-SPME-GC×GC-TOFMS to characterize specimens from an experimental modern reference collection. Solvent extractions and direct analyses were performed on materials such as ivory, bone, antlers, animal tissue, human tissue, sediment, and resin. Thicker film column sets were preferred due to reduced column overloading. The samples analyzed by HS-SPME directly on a specimen appeared to give unique signatures and generally produced a higher response than for the solvent-extracted residues. A non-destructive screening approach of specimens may, therefore, be possible. Resin and beeswax mixtures prepared by heating for different lengths of time appeared to provide distinctly different volatile signatures, suggesting that GC×GC-TOFMS may be capable of differentiating alterations to resin in future studies. Further development of GC×GC-TOFMS methods for archaeological applications will provide a valuable tool to uncover significant information on prehistoric technological changes and cultural behavior. [less ▲]

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See detailGCxGC-TOFMS for the Investigation of Archeological Mysteries
Perrault, Katelynn ULg; Dubois, Lena ULg; Stefanuto, Pierre-Hugues ULg et al

Scientific conference (2016, March)

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