Results 241 to 250 of about 3,985,069 (299)

Bioactive potential of <i>Rhododendron lowndesii</i>: Extraction, antioxidant analysis, antimicrobial assay, and Liquid Chromatography-mass Spectrometry profiling. [PDF]

J Adv Pharm Technol Res
Luitel A, Shrestha R, Pant LM, Shrestha AK, Thapa N, Shrestha M, Shrestha R, Joshi GD, Hullatti K, Lamichhane J.   +9 more
europepmc   +1 more source

Integrated Liquid Chromatography-Tandem Mass Spectrometry and Headspace Solid-Phase Microextraction With Gas Chromatography-Mass Spectrometry-based Profiling Reveals Developmental Metabolic Dynamics of Ligusticum striatum DC. [PDF]

J Sep Sci
Tung NKT, Nam NH, Nhiem NX, Dat NT, Kwon SW, Kang JS, Kim HM.   +6 more
europepmc   +1 more source

Analysis of chemiluminescence and liquid chromatography-mass spectrometry in 25-hydroxyvitamin D detection using fuzzy logic. [PDF]

Sci Rep
Liu H, Li S, Wong KW, Li Y, He X, Liang S, Deng H, Zhang L, Zhang L, Cui J.   +9 more
europepmc   +1 more source

Protocol to purify fatty acid metabolites with two approaches for quantification using liquid chromatography-mass spectrometry. [PDF]

STAR Protoc
Hashidate-Yoshida T, Yamada M, Nagata K, Kihara Y, Kita Y, Shindou H.   +5 more
europepmc   +1 more source

Correction to: "Effect of Processing, Cultivar, and Crop Year on Volatile Composition in Pulses and Pulse Flours Analyzed by Headspace Solid-Phase Microextraction Gas Chromatography-Mass Spectrometry". [PDF]

J Food Sci
europepmc   +1 more source

Analysis of Illicit Street Heroin Seized in Pakistan by Gas Chromatography-Mass Spectrometry (GC-MS) for Identification of Adulterants and Impurities. [PDF]

Int J Anal Chem
Usman M, Baig Y, Naseer A, Nardiello D, Quinto M.   +4 more
europepmc   +1 more source

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Determination of ink photoinitiators in packaged beverages by gas chromatography–mass spectrometry and liquid chromatography–mass spectrometry

Journal of Chromatography A, 2008
A new analytical method, using gas chromatography-mass spectrometry (GC/MS) and liquid chromatography-mass spectrometry (LC/MS) techniques, was developed for the determination in packaged food beverages of five ink photoinitiator residues: 2-isopropylthioxanthone (ITX), benzophenone, 2-ethylhexyl-4-dimethylaminobenzoate (EHDAB), 1-hydroxycyclohexyl-1 ...
Gianni Sagratini, Rosaria Volpini, Giovanni Caprioli   +2 more
exaly   +4 more sources

Applications of Hadamard Transform to Gas Chromatography/Mass Spectrometry and Liquid Chromatography/Mass Spectrometry

Analytical Chemistry, 2008
Successful application of the Hadamard transform (HT) technique to gas chromatography/mass spectrometry (GC/MS) and liquid chromatography/mass spectrometry (LC/MS) is described. Novel sample injection devices were developed to achieve multiple sample injections in both GC and LC instruments. Air pressure was controlled by an electromagnetic valve in GC,
Cheng-Huang, Lin, Takashi, Kaneta, Hung-Ming, Chen, Wen-Xiong, Chen, Hung-Wei, Chang, Ju-Tsung, Liu   +5 more
openaire   +2 more sources

Supersonic gas chromatography/mass spectrometry

Rapid Communications in Mass Spectrometry, 2001
Abstract A new gas chromatography/mass spectrometry (GC/MS) system was designed and evaluated which we have named ‘Supersonic GC/MS’. It is based on a modification of a commercially available GC/MS system to include a supersonic molecular beam (SMB) MS interface.
A, Amirav, A, Gordin, N, Tzanani
openaire   +2 more sources

Liquid Chromatography: Mass Spectrometry of Isoflavones

Journal of Medicinal Food, 1999
High-performance liquid chromatography (HPLC) or capillary electrophoresis (CE) is particularly suited to the separation and analysis of a wide range of biological compounds. When investigating such compounds in complex matrices (e.g., blood, tissue, urine, foods), specificity of the detection method becomes an important issue.
S, Barnes, C C, Wang, M, Smith-Johnson, M, Kirk   +3 more
openaire   +2 more sources