Recent advances in GC× GC and chemometrics to address emerging challenges in nontargeted analysis

TJ Trinklein, CN Cain, GS Ochoa… - Analytical …, 2023 - ACS Publications
Pioneered by Liu and Phillips in 1991, 1 comprehensive twodimensional (2D) gas
chromatography (GC× GC) has become an indispensable technique for the separation and …

Foods and contaminants analysis using multidimensional gas chromatography: An update of recent studies, technology, and applications

Y Nolvachai, MSS Amaral, PJ Marriott - Analytical Chemistry, 2023 - ACS Publications
Trace analysis of food contaminants, pathogens, or the presence of undesirable
compounds, investigation of the ongoing concern of food fraud 1 (eg, adulteration …

30th Anniversary of comprehensive two‐dimensional gas chromatography: Latest advances

D Zanella, JF Focant… - Analytical Science …, 2021 - Wiley Online Library
In this review, we report on the latest (2020‐Early 2021) instrumental advances and
applications of comprehensive two‐dimensional gas chromatography (GC× GC), including …

Application of comprehensive 2D gas chromatography coupled with mass spectrometry in beer and wine VOC analysis

P Zhang, M Piergiovanni, P Franceschi, F Mattivi… - Analytica, 2023 - mdpi.com
To meet consumer demand for fermented beverages with a wide range of flavors, as well as
for quality assurance, it is important to characterize volatiles and their relationships with raw …

Automated method using direct-immersion solid-phase microextraction and on-fiber derivatization coupled with comprehensive two-dimensional gas chromatography …

J Crucello, NMFM Sampaio, IM Junior… - … of Chromatography A, 2023 - Elsevier
Naphthenic acids (NAs) are naturally occurring organic acids in petroleum and are found in
waste waters generated during oil production (produced water, PW). Profiling this class of …

Authentication of fish oil (omega-3) supplements using class-oriented chemometrics and comprehensive two-dimensional gas chromatography coupled to mass …

RAM Lima, SMM Ferraz, VGK Cardoso… - Analytical and …, 2023 - Springer
Food supplement authentication is an important concern worldwide due to the ascending
consumption related to health benefits and its lack of effective regulation in underdeveloped …

Miniaturized systems for gas chromatography: Developments in sample preparation and instrumentation

J Crucello, AM de Oliveira, NMFM Sampaio… - … of Chromatography A, 2022 - Elsevier
An important field of research is the miniaturization of analytical systems for laboratory
applications and on-field analysis. In particular, gas chromatography (GC) has benefited …

Tile-based variance rank initiated-unsupervised sample indexing for comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry

PE Sudol, GS Ochoa, CN Cain, RE Synovec - Analytica Chimica Acta, 2022 - Elsevier
Tile-based variance rank initiated-unsupervised sample indexing (VRI-USI) analysis is
introduced for comprehensive two-dimensional gas chromatography time-of-flight mass …

Rapid evaporative ionization mass spectrometry (REIMS) combined with chemometrics for real-time beer analysis

VGK Cardoso, GP Sabin, LW Hantao - Analytical Methods, 2022 - pubs.rsc.org
The beer industry plays an important role in the economy since this is the third most
consumed beverage worldwide. Efficient analytical methods must be developed to ensure …

Advanced tuning of the ion management parameters in GC× GC-HRMS using a Fourier transform Orbitrap mass analyzer for pixel-based data handling and …

AM de Oliveira, CA Teixeira, LW Hantao - Analytical Methods, 2022 - pubs.rsc.org
GC× GC investigations are well known to generate a substantial amount of information-rich
and structurally complex data, requiring advanced data processing strategies like …