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Showing 13 to 24 of 42 entries
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[Difference of volatile constituents contained in female and male flowers of Trichosanthes kirilowii by HS-SPME-GC-MS].

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

Sun W, Chao Z, Wang C, Wu X, Tan Z.
PMID: 22993982
Zhongguo Zhong Yao Za Zhi. 2012 Jun;37(11):1570-4.

OBJECTIVE: To compare and analyze volatile constituents from flowers of Trichosanthes kirilowii, in order to point out characteristic differences between female and male flowers.METHOD: Blooming female and male flowers were collected in the same place. Volatile constituents were extracted...

Talarodiolide, a New 12-Membered Macrodiolide, and GC/MS Investigation of Culture Filtrate and Mycelial Extracts of .

Molecules (Basel, Switzerland)

Salvatore MM, DellaGreca M, Nicoletti R, Salvatore F, Vinale F, Naviglio D, Andolfi A.
PMID: 29671776
Molecules. 2018 Apr 19;23(4). doi: 10.3390/molecules23040950.

Talarodiolide, a new 12-membered macrodiolide, was isolated and characterized from the culture filtrate of strain LT6 of

NMR and MS Methods for Metabolomics.

Methods in molecular biology (Clifton, N.J.)

Amberg A, Riefke B, Schlotterbeck G, Ross A, Senn H, Dieterle F, Keck M.
PMID: 28748468
Methods Mol Biol. 2017;1641:229-258. doi: 10.1007/978-1-4939-7172-5_13.

Metabolomics, also often referred as "metabolic profiling," is the systematic profiling of metabolites in biofluids or tissues of organisms and their temporal changes. In the last decade, metabolomics has become more and more popular in drug development, molecular medicine,...

[Recent advances in the application of headspace gas chromatography-mass spectrometry].

Se pu = Chinese journal of chromatography

Zhang X, Liu W, Lu Y, Lü Y.
PMID: 30378354
Se Pu. 2018 Oct 08;36(10):962-971. doi: 10.3724/SP.J.1123.2018.05013.

As a sample preparation technique without extraction by organic solvent, headspace analysis is usually combined with gas chromatography-mass spectrometry (GC-MS) to analyze volatile organic compounds in complex matrices. Headspace gas chromatography-mass spectrometry (HS-GC-MS) is a fast, efficient, green, and...

[Identification of dalbergia odorifera and dalbergia spp by solid phase microextraction-gas chromatography-mass spectrometry].

Se pu = Chinese journal of chromatography

Hou S, Huang X, Ma Y, Huang F, Lin X, Ma Y, Zhu Z, Luo H, Wu H.
PMID: 30136492
Se Pu. 2018 May 08;36(5):493-498. doi: 10.3724/SP.J.1123.2017.11058.

In addition to species identification, the volatile components of dalbergia odorifera and dalbergia spp, were investigated by solid phase microextraction-gas chromatography-mass spectrometry (SPME-GC-MS). Small amounts of powder samples were acquired by drilling from dalbergia, then the volatile components of...

Data Processing for GC-MS- and LC-MS-Based Untargeted Metabolomics.

Methods in molecular biology (Clifton, N.J.)

Yao L, Sheflin AM, Broeckling CD, Prenni JE.
PMID: 31119670
Methods Mol Biol. 2019;1978:287-299. doi: 10.1007/978-1-4939-9236-2_18.

Gas chromatography and liquid chromatography coupled to mass spectrometry are used extensively in untargeted metabolomics, which involves the profiling of small metabolites in biological samples. The complex raw dataset produced from untargeted metabolomics requires proper processing before it can...

Gas chromatographic - mass spectrometric identification of 9,10-epoxystearate in human blood.

The Analyst

Ulsaker GA, Teien G.
PMID: 6869844
Analyst. 1983 Apr;108(1285):521-4. doi: 10.1039/an9830800521.

No abstract available.

Deep Learning Driven GC-MS Library Search and Its Application for Metabolomics.

Analytical chemistry

Matyushin DD, Sholokhova AY, Buryak AK.
PMID: 32867500
Anal Chem. 2020 Sep 01;92(17):11818-11825. doi: 10.1021/acs.analchem.0c02082. Epub 2020 Aug 12.

Preliminary compound identification and peak annotation in gas chromatography-mass spectrometry is usually made using mass spectral databases. There are a few algorithms that enable performing a search of a spectrum in a large mass spectral library. In many cases,...

Profiles of Secondary Metabolites (Phenolic Acids, Carotenoids, Anthocyanins, and Galantamine) and Primary Metabolites (Carbohydrates, Amino Acids, and Organic Acids) during Flower Development in .

Biomolecules

Park CH, Yeo HJ, Kim YJ, Nguyen BV, Park YE, Sathasivam R, Kim JK, Park SU.
PMID: 33572277
Biomolecules. 2021 Feb 09;11(2). doi: 10.3390/biom11020248.

This study aimed to elucidate the variations in primary and secondary metabolites during

Aroma volatile compounds from two fresh pineapple varieties in China.

International journal of molecular sciences

Zheng LY, Sun GM, Liu YG, Lv LL, Yang WX, Zhao WF, Wei CB.
PMID: 22837701
Int J Mol Sci. 2012;13(6):7383-92. doi: 10.3390/ijms13067383. Epub 2012 Jun 14.

Volatile compounds from two pineapples varieties (Tainong No.4 and No.6) were isolated by headspace solid phase microextraction (HS-SPME) and identified and quantified by gas chromatography-mass spectrometry (GC/MS). In the Tainong No. 4 and No. 6 pineapples, a total of...

Bioactive compounds in cashew nut (Anacardium occidentale L.) kernels: effect of different shelling methods.

Journal of agricultural and food chemistry

Trox J, Vadivel V, Vetter W, Stuetz W, Scherbaum V, Gola U, Nohr D, Biesalski HK.
PMID: 20387832
J Agric Food Chem. 2010 May 12;58(9):5341-6. doi: 10.1021/jf904580k.

In the present study, the effects of various conventional shelling methods (oil-bath roasting, direct steam roasting, drying, and open pan roasting) as well as a novel "Flores" hand-cracking method on the levels of bioactive compounds of cashew nut kernels...

Chromatographic preprocessing of GC-MS data for analysis of complex chemical mixtures.

Journal of chromatography. A

Christensen JH, Mortensen J, Hansen AB, Andersen O.
PMID: 15679149
J Chromatogr A. 2005 Jan 07;1062(1):113-23. doi: 10.1016/j.chroma.2004.11.037.

Hyphenated analytical techniques such as gas chromatography-mass spectrometry (GC-MS) can provide extensive amounts of analytical data when applied to environmental samples. Quantitative analyses of complex contaminant mixtures by commercial preprocessing software are time-consuming, and baseline distortion and incomplete peak...

Showing 13 to 24 of 42 entries