Article (Scientific journals)
Modulators for comprehensive two-dimensional gas chromatography
Tranchida, P. Q.; Purcaro, Giorgia; Dugo, P. et al.
2011In TrAC: Trends in Analytical Chemistry, 30 (9), p. 1437-1461
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Keywords :
Comprehensive two-dimensional gas chromatography; Cryogenic modulator; Flow modulator; Heart-cutting; In-line valve system; Longitudinally-modulated cryogenic system; Out-line valve system; Pneumatic modulator; Re-injection; Thermal modulator; In-line; Thermal modulators; Valve systems; Cryogenics; Modulators; Pneumatics; Smoke detectors; Two dimensional; Gas chromatography
Abstract :
[en] The analytical benefits of comprehensive two-dimensional gas chromatography (GC × GC) methods have been exploited and emphasized in the past two decades. The unexpectedly complex nature of many real-world samples amenable to GC analysis has been elucidated through the enhanced resolving power of GC × GC. Simple but fundamental devices, called modulators, enable continuous heart-cutting and re-injection, without which GC × GC analysis cannot be achieved. The present review focuses on the history (1991-2010), and present trends and future prospects for GC × GC modulation. We provide detailed descriptions and set out the advantages and the disadvantages of the most significant thermal and pneumatic modulators. © 2011 Elsevier Ltd.
Disciplines :
Chemistry
Author, co-author :
Tranchida, P. Q.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, Viale Annunziata, 98168 - Messina, Italy
Purcaro, Giorgia  ;  Université de Liège - ULiège > Agronomie, Bio-ingénierie et Chimie (AgroBioChem) > Chimie des agro-biosystèmes
Dugo, P.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, Viale Annunziata, 98168 - Messina, Italy
Mondello, L.;  Dipartimento Farmaco-chimico, Facoltà di Farmacia, Università di Messina, Viale Annunziata, 98168 - Messina, Italy
Language :
English
Title :
Modulators for comprehensive two-dimensional gas chromatography
Publication date :
2011
Journal title :
TrAC: Trends in Analytical Chemistry
ISSN :
0165-9936
eISSN :
1879-3142
Publisher :
Elsevier, Amsterdam, Netherlands
Volume :
30
Issue :
9
Pages :
1437-1461
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 11 January 2019

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