Reference : Analysis of mainstream tobacco smoke particulate phase using comprehensive two-dimens...
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/146116
Analysis of mainstream tobacco smoke particulate phase using comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry
English
Brokl, Michal mailto [Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique, organique et biologique >]
Bishop, L [> >]
Wright, C [> >]
Liu, C [> >]
McAdam, K [> >]
Focant, Jean-François mailto [Université de Liège - ULiège > Département de chimie (sciences) > Chimie analytique, organique et biologique >]
2013
Journal of Separation Science
Wiley-VCH Verlag Gmbh
31
3366-3374
Yes (verified by ORBi)
International
1615-9306
1615-9314
Weinheim
Germany
[en] tobacco ; smoke ; GCxGC
[en] In tobacco research, the comparison of different tobacco blends as well as the puffdependent
<br />behaviour of cigarettes is a matter of particular interest. For the investigation
<br />of smoke characteristics, GC6GC offers different ways for data analysis,
<br />namely, compound target analysis, automated peak-based compound classification
<br />and comprehensive pixel-based data analysis. This study will show the application
<br />as well as the pros and cons of these types of data analysis for very complex matrices
<br />like cigarette particulate matter. In addition, new aspects about the recently discovered
<br />puff-dependent behaviour of compounds in cigarette smoke will be presented.
<br />Automated peak-based compound classification including mass spectrometric pattern
<br />recognition is used for the classification of tobacco particulate matter samples
<br />and the puff-dependent investigation of different compound classes. This compound
<br />group specific analysis is further reinforced by applying an even more comprehensive
<br />pixel-based analysis. This kind of analysis is used to generate fingerprints of
<br />different types of cigarettes. The combination of fast feature reduction methods like
<br />analysis of variance (ANOVA) and t-test with multivariate feature transformation
<br />methods like partial least squares discriminate analysis (PLSDA) for feature selection
<br />provides a powerful tool for a detailed inspection of different types of cigarettes.
Centre Interfacultaire d'Analyse des Résidus en Traces - CART
Researchers
http://hdl.handle.net/2268/146116
10.1002/jssc.201200812

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