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Hantao LW. Revisiting the Fundamentals of Untargeted Data Analysis with Comprehensive Two-Dimensional Gas Chromatography (GC×GC): With Great Peak Capacity, There Must Also Come Great Responsibility. LCGC NORTH AMERICA 2023. [DOI: 10.56530/lcgc.na.yz7686f4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/08/2023]
Abstract
This article provides a general overview of untargeted analysis using comprehensive two-dimensional gas chromatography (GC×GC), while revisiting some fundamental aspects of method development. The original definition of chemometrics is also revised according to the latest developments of the field. We discuss how GC×GC has become an important backbone for new strategies in separation science, especially in multivariate data analysis. The concept of pixel is also revisited, as an important pixel-based data processing method, namely the Fisher ratio proposed by Synovec and coworkers, has been successfully implemented in important software for GC×GC.
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Affiliation(s)
- Leandro Wang Hantao
- University of Campinas and the National Institute of Science and Technology in Bioanalytics
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Arsene C, Vione D, Grinberg N, Olariu RI. GC × GC-MS HYPHENATED TECHNIQUES FOR THE ANALYSIS OF VOLATILE ORGANIC COMPOUNDS IN AIR. J LIQ CHROMATOGR R T 2011. [DOI: 10.1080/10826076.2011.587749] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Cecilia Arsene
- a Faculty of Chemistry, Laboratory of Analytical Chemistry, “Al. I. Cuza” University of Iasi , Iasi, Romania
| | - Davide Vione
- b Dipartimento di Chimica Analitica , Università di Torino , Torino, Italy
- c Centro Interdipartimentale NatRisk, Università di Torino , Grugliasco (TO), Italy
| | - Nelu Grinberg
- d Boehringer Ingelheim Pharmaceuticals Inc. , Ridgefield, Connecticut, USA
| | - Romeo Iulian Olariu
- a Faculty of Chemistry, Laboratory of Analytical Chemistry, “Al. I. Cuza” University of Iasi , Iasi, Romania
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