Results 11 to 20 of about 19,683 (109)

Quantitative analysis of endocrine disruptors by comprehensive two-dimensional gas chromatography [PDF]

, 2015
Comprehensive two-dimensional gas chromatography has been successfully applied to the analysis of various organic contaminants; however, few studies report its use in the analysis of endocrine disrupting compounds.
Moreira, Miriany A., Cardeal, Zenilda L., Andre, Leiliane C., Ribeiro, Alexandra, Silva, Marco Diogo Richter Gomes da   +4 more
core   +2 more sources

Evaluation of ionic liquid stationary phases for one dimensional gas chromatography-mass spectrometry and comprehensive two dimensional gas chromatographic analyses of fatty acids in marine biota

, 2011
Evaluation of ionic liquid stationary phases for one dimensional gas chromatography-mass spectrometry and comprehensive two dimensional gas chromatographic analyses of fatty acids in marine biotaIonic liquid stationary phases were tested for one ...
Sandra, Pat, Frank David, Wim Vyverman, Guowang Xu, Vyverman, Wim, Pat Sandra, Qun, Gu, Klaus Rumpel, Frédéric Lynen, Pieter Vanormelingen, Rumpel, Klaus, Gu, Qun, SandraPat, Sandra, Patrick, Vanormelingen, Pieter, David, Frank, Lynen, Frederic, Xu, Guowang, Qun Gu   +18 more
core   +1 more source

Comparison of comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry and gas chromatography-mass spectrometry for the analysis of tobacco essential oils

, 2005
A sample of tobacco essential oil was analyzed using gas chromatography-mass spectrometry (GUMS)and comprehensive two-dimensional gas chromatography coupled to a time-of-flight mass spectrometry (GC x GC/TOFMS), respectively.
Kong, HW, 吴采樱, Xing, J, Wu, CY, Zhu, SK, Zhang, SW, Xu, GW, Lu, X   +7 more
core   +1 more source

Characterization of complex hydrocarbons in cigarette smoke condensate by gas chromatography-mass spectrometry and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry

, 2004
Gas chromatography-mass spectrometry with electron ionization and positive-ion chemical ionization and comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC x GC-TOF-MS) were applied for the characterization of the ...
Kong, HW, Cai, JL, Liu, JF, Zhao, MY, Wu, JF, Wu, M, Hua, RX, Xu, GW, Lu, X   +8 more
core   +1 more source

Innovative solutions for enhanced illicit drugs profiling using comprehensive two-dimensional gas chromatography and mass spectrometry technologies [PDF]

, 2014
This project aimed to determine whether comprehensive two-dimensional gas chromatography is suitable for routine use in a forensic laboratory for profiling illicit substances.
Philip Marriot, Blagoj Mitrevski
core  

Analysis of crude oils using gas purge microsyringe extraction coupled to comprehensive two dimensional gas chromatography-time-of-flight mass spectrometry

, 2016
As a complex mixture, the analysis of individual compounds in crude oil is a great challenge. The traditional sample preparation method such as column chromatography is time-consuming, solvent-wasting, and very possible to cause the loss of light ...
Gao, Xuanbo, Zhang, Wanfeng, Zhu, Shukui, Li, Donghao, He, Sheng, Dai, Wei   +5 more
core   +1 more source

Resolution prediction and optimization of temperature programme in comprehensive two-dimensional gas chromatography

, 2005
A model is developed for predicting the resolution of interested component pair and calculating the optimum temperature programming condition in the comprehensive two-dimensional gas chromatography (GC x GC).
Kong, HW, 许国旺, Li, HF, Tian, J, Ma, CF, Xu, GW, Lu, X   +6 more
core   +1 more source

Quantitative determination of compounds in tobacco essential oils by comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry

, 2005
A quantitative analysis of the individual compounds in tobacco essential oils is performed by comprehensive two-dimensional gas chromatography (GC x GC) combined with flame ionization detector (FID).
Kong, HW, 吴采樱, Xing, J, Wu, CY, Dong, L, Zhu, SK, Su, XL, Xu, GW, Lu, X   +8 more
core   +1 more source

Analysis of Artemisia annua L. volatile oil by comprehensive two-dimensional gas chromatography time-of-flight mass spectrometry

, 2007
Artemisia annua L. is an annual herb native of Asia, it has been used for many centuries for the treatment of fever and malaria. In this paper, analysis of the volatile oil of Artemisia annua L.
刘本叶, 许国旺, Ma, Chenfei, Lu, Xin, Li, Haifeng, Liu, Benye, Wang, Huahong, Xu, Guowang   +7 more
core   +1 more source

A comprehensive urinary steroid analysis strategy using two-dimensional gas chromatography - time of flight mass spectrometry.

, 2018
Steroids are key players in a high variety of physiological processes and are typically analyzed for the diagnosis of hormonal disorders. Due to their chemical and structural similarity many of these metabolites cannot be separated by conventional ...
Escher, Geneviève, Genevieve Escher, Michael Groessl, Bruno Vogt, Andrea Bileck, Grössl, Michael, Verouti, Sophia N, Vogt, Bruno, Sophia N. Verouti, Bileck, Andrea   +9 more
core   +1 more source