Determination of Trace Fluoride in Water Samples by Silylation and Gas Chromatography−Mass Spectrometry Analysis

2021 ◽  
Author(s):  
Jingru Du ◽  
Chunqin Sheng ◽  
Yan Wang ◽  
Huarong Zhang ◽  
Kezhi Jiang
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Water Samples ◽  
Mass Spectrometry Analysis ◽  
Gas Chromatography Mass Spectrometry ◽  
Spectrometry Analysis ◽  
Chromatography Mass Spectrometry

scholarly journals DETERMINATION OF BIOACTIVE COMPONENTS OF BARLERIA COURTALLICA NEES (ACANTHACEAE) BY GAS CHROMATOGRAPHY–MASS SPECTROMETRY ANALYSIS

2017 ◽  
Vol 10 (6) ◽  
pp. 273
Author(s):  
Ponmathi Sujatha A ◽  
Michael Evanjaline R ◽  
Muthukumarasamy S ◽  
Mohan Vr
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Mass Spectrometry Analysis ◽  
Gas Chromatography Mass Spectrometry ◽  
Root Extract ◽  
Bioactive Components ◽  
Spectrometry Analysis ◽  
Chromatography Mass Spectrometry ◽  
Ethanol Extracts

Objective: The present investigation was carried out to determine the possible bioactive components of stem, root, and leaf of Barleria courtallica Nees using a gas chromatography–mass spectrometry (GC-MS).Methods: The phytocomponents of the ethanol extracts of stem, root, and leaf of B. courtallica were investigated using PerkinElmer GC-MS, while the mass spectra of the compounds found in the extracts were matched with the National Institute of Standards and Technology version II library. Results: 25, 23, and 28 compounds were identified in the ethanol extracts of stem, root, and leaf of B. courtallica, respectively. The prevailing compounds of stem were β-sitosterol (20.27%), stigmasterol (17.07%), eicosane, 7-hexyl- (6.64%), 3,7,11,15-tetramethyl-2-hexadecan-1-ol (5.97%), and tetracosane, 11-decyl- (5.91%). The major constituents recorded from root extract of B. courtallica were β-sitosterol (22.94%), stigmasterol (20.17%), urs-12-en-28-oic acid, 3-hydroxy-, methyl ester, (3β)- (18.42%), and eiosane, 7-hexyl- (7.06%). The prevailing compounds of leaf were 3,7,11,15- tetramethyl-2-hexadecan-1-ol (34.42%), phytol (14.18%), β-sitosterol (12.71%), squalene (11.25%), stigmasterol (8.15%), phytol acetate (6.53%). Conclusions: From the results, it is evident that B. courtallica contains various bioactive compounds and is recommended as a plant of phytopharmaceutical importance.

Determination of cocaine in postmortem human liver exposed to overdose. Application of an innovative and efficient extraction/clean up procedure and gas chromatography–mass spectrometry analysis

2013 ◽  
Vol 1309 ◽  
pp. 15-21 ◽  
Author(s):  
Elisângela Jaqueline Magalhães ◽  
Maria Eliana Lopes Ribeiro de Queiroz ◽  
Marcus Luiz de Oliveira Penido ◽  
Marco Antônio Ribeiro Paiva ◽  
Janaína Aparecida Reis Teodoro ◽  
...  
Keyword(s):  
Mass Spectrometry ◽  
Gas Chromatography ◽  
Human Liver ◽  
Mass Spectrometry Analysis ◽  
Gas Chromatography Mass Spectrometry ◽  
Spectrometry Analysis ◽  
Chromatography Mass Spectrometry ◽  
Efficient Extraction
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