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Showing 1 to 12 of 42 entries
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Application of time array detection to capillary column gas chromatography/conventional time-of-flight mass spectrometry.

Analytical chemistry

Erickson ED, Enke CG, Holland JF, Watson JT.
PMID: 2360715
Anal Chem. 1990 May 15;62(10):1079-84. doi: 10.1021/ac00209a022.

The technique of time array detection (TAD) is designed to take advantage of the high spectral generation rate available in time-of-flight (TOF) mass spectrometry. In TAD, a number of successive TOF arrival time transient signals are summed to produce...

Genetic verification and chemical contents identification of Allamanda species (Apocynaceae).

Pakistan journal of pharmaceutical sciences

Chaveerach A, Aungkapattamagul S, Tanee T, Noikotr K, Sudmoon R.
PMID: 24811796
Pak J Pharm Sci. 2014 May;27(3):417-24.

Allamanda species (Apocynaceae) are popular ornamentals. Additionally, A. cathartica possesses medicinal properties whereas all other species have not been reported. This research aims to analyze genetics and chemical contents of Allamanda species existing in Thailand. The explored species are...

Comparative evaluation of eight software programs for alignment of gas chromatography-mass spectrometry chromatograms in metabolomics experiments.

Journal of chromatography. A

Niu W, Knight E, Xia Q, McGarvey BD.
PMID: 25435458
J Chromatogr A. 2014 Dec 29;1374:199-206. doi: 10.1016/j.chroma.2014.11.005. Epub 2014 Nov 20.

Since retention times of compounds in GC-MS chromatograms always vary slightly from chromatogram to chromatogram, it is necessary to align chromatograms before comparing them in metabolomics experiments. Several software programs have been developed to automate this process. Here we...

Metabolomics: The greatest omics of them all?.

Analytical chemistry

Ryan D, Robards K.
PMID: 17134127
Anal Chem. 2006 Dec 01;78(23):7954-8. doi: 10.1021/ac0614341.

No abstract available.

Comprehensive analysis of metabolites in Corynebacterium glutamicum by gas chromatography/mass spectrometry.

Biological chemistry

Strelkov S, von Elstermann M, Schomburg D.
PMID: 15493881
Biol Chem. 2004 Sep;385(9):853-61. doi: 10.1515/BC.2004.111.

An analytical method based on gas chromatography/mass spectrometry was developed for metabolome investigation of Corynebacterium glutamicum. For the first time a fast method for metabolic screening that can be automated is described for this organism. More than 1000 compounds...

Practical approaches to fast gas chromatography-mass spectrometry.

Journal of chromatography. A

Mastovská K, Lehotay SJ.
PMID: 12877170
J Chromatogr A. 2003 Jun 06;1000(1):153-80. doi: 10.1016/s0021-9673(03)00448-5.

Fast gas chromatography-mass spectrometry (GC-MS) has the potential to be a powerful tool in routine analytical laboratories by increasing sample throughput and improving laboratory efficiency. However, this potential has rarely been met in practice because other laboratory operations and...

Towards smaller and faster gas chromatography-mass spectrometry systems for field chemical detection.

Journal of chromatography. A

Smith PA, Sng MT, Eckenrode BA, Leow SY, Koch D, Erickson RP, Jackson Lepage CR, Hook GL.
PMID: 15844534
J Chromatogr A. 2005 Mar 04;1067(1):285-94. doi: 10.1016/j.chroma.2004.11.008.

Gas chromatography-mass spectrometry (GC-MS) is already an important laboratory method, but new sampling techniques and column heating approaches will expand and improve its usefulness for detection and identification of unknown chemicals in field settings. In order to demonstrate commercially-available...

[AMWFA method applied to research on changes of essential components and extractive ratioes of herbal pair Cinnamomum cassia and Poria cocos].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Xiang Z, Wang XQ, Yu XM, Wei T, Li YX.
PMID: 19160782
Zhongguo Zhong Yao Za Zhi. 2008 Sep;33(18):2056-60.

Gas chromatography/mass spectrometry, chemometric resolution method-Alternative movingwindow factor analysis that were proposed recently and the Kovats retention index were used to analyze the essential components of herbal pair Cinnamomum cassia Presl and Poria cocos (CCP-PC) and compare them with...

[Gas chromatography-mass spectrometry (GC-MS) and its application in metabonomics].

Sheng wu gong cheng xue bao = Chinese journal of biotechnology

Li J, Ren L, Sun G, Huang H.
PMID: 23894817
Sheng Wu Gong Cheng Xue Bao. 2013 Apr;29(4):434-46.

Metabonomics involves the unbiased quantitative and qualitative analysis of the complete set of metabolites present in cells, body fluids and tissues (the metabolome) based on modern analytic technique with high throughput, high sensitivity, and high resolution. Gas chromatography-mass spectrometry...

[Metabolomic study of flower buds of Tussilago farfara in different development stages by GC-MS].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

Xue SY, Wang XJ, Sun HF, Zhang LZ, Qin XM, Li ZY.
PMID: 23270222
Zhongguo Zhong Yao Za Zhi. 2012 Oct;37(19):2863-9.

OBJECTIVE: Plant metabolomics combined with GC-MS was used to investigate metabolic fingerprinting of Tussilago farfara at different growth stages.METHOD: Dried Samples were extracted by two-phase solvent system to obtain polar and nonpolar parts, which were subjected to GC-MS analysis....

A direct sensitivity comparison between flow-modulated comprehensive 2D and 1D GC in untargeted and targeted MS-based experiments.

Journal of separation science

Tranchida PQ, Franchina FA, Zoccali M, Bonaccorsi I, Cacciola F, Mondello L.
PMID: 23868497
J Sep Sci. 2013 Sep;36(17):2746-52. doi: 10.1002/jssc.201300423. Epub 2013 Jul 19.

The present contribution is focused on the measurement of the analytical sensitivity attained in untargeted/targeted MS/MS experiments, performed using flow-modulator comprehensive 2D and 1D GC. The comprehensive 2D experiment was performed by diverting part of the high flow (circa...

metaMS: an open-source pipeline for GC-MS-based untargeted metabolomics.

Journal of chromatography. B, Analytical technologies in the biomedical and life sciences

Wehrens R, Weingart G, Mattivi F.
PMID: 24656939
J Chromatogr B Analyt Technol Biomed Life Sci. 2014 Sep 01;966:109-16. doi: 10.1016/j.jchromb.2014.02.051. Epub 2014 Mar 12.

Untargeted metabolomics are rapidly becoming an important tool for studying complex biological samples. Gas chromatography-mass spectrometry (GC-MS) is the most widely used analytical technology for metabolomic analysis of compounds that are volatile or can be chemically derivatised into volatile...

Showing 1 to 12 of 42 entries