全部文献期刊会议图书|学者科研项目
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作者:Lixin Duan , Aimin Ma , Xianbin Meng ...
来源:[J].Journal of Chromatography A(IF 4.612), 2020
摘要:Abstract(#br)Gas chromatography-mass spectrometry (GC-MS) is a robust analytical platform for analysis of small molecules. Recently, it is widely used for large-scale metabolomics studies, in which hundreds or even thousands of samples are analyzed simultaneously, producing a ver...
作者:Nadezhda V. Bakaikina , Bulat Kenessov , Nikolay V. Ul’yanovskii ...
来源:[J].Chromatographia(IF 1.437), 2017, Vol.80 (6), pp.931-940
摘要:... The goal of this research was to develop a simple and automated method for sensitive quantification of UDMH transformation products in water using headspace (HS) solid-phase microextraction (SPME) in combination with GC-MS and GC-MS/MS. HS SPME is based on extraction of a...
作者:Issam Barra , Mourad Kharbach , Mohamed Bousrabat ...
来源:[J].Talanta(IF 3.498), 2020, Vol.209
摘要:Abstract(#br)The purpose of this study was to perform a discrimination and classification of diesel samples from the four major suppliers of petroleum products in Morocco using Fourier Transform Infrared Spectroscopy (FTIR), Gas Chromatography coupled with Mass Spectrometry (GC-MS...
作者:Yi-Jie Chen , Yanhao Zhang , Yanyan Chen ...
来源:[J].Ecotoxicology and Environmental Safety(IF 2.203), 2020, Vol.193
摘要:Abstract(#br)Emerging POPs have received increasing attention due to their potential persistence and toxicity, but thus far the report regarding the occurrence and distribution of these POPs in PM 2.5 is limited. In this study, an extremely sensitive and reliable method, usi...
作者:Heba A. Hassan , Naglaa M. Ammar , Ahmed Serag ...
来源:[J].Microchemical Journal(IF 2.879), 2020, Vol.155
摘要:... The aim of this study is to decipher the disturbed metabolites associated with CRC susceptibility in at-risk obese population along with their altered metabolic pathways via gas chromatography-mass spectrometry (GC-MS) metabolomics based approach. Multivariate chemometric met...
作者:Ahmad Mani-Varnosfaderani , Mohammad Javad Masroor , Yadollah Yamini
来源:[J].Chemometrics and Intelligent Laboratory Systems(IF 2.291), 2020, Vol.200
摘要:Abstract(#br)Since mass spectra are sparse in nature, the “sparsity” has been recently proposed as a constraint in multivariate curve resolution-alternating least squares (MCR-ALS) methods for analyzing LC/GC-MS data. There are different ways for implementation of sparsi...
作者:Jenny Strehlau , Till Weber , Constantin Lürenbaum ...
来源:[J].Analytical and Bioanalytical Chemistry(IF 3.659), 2017, Vol.409 (26), pp.6123-6131
摘要:A novel method based on liquid-liquid extraction with subsequent gas chromatography separation and mass spectrometric detection (GC-MS) for the quantification of organic carbonates in cell culture materials is presented. Method parameters including the choice of extraction solve...
作者:Tao Zhang , Liangliang Xie , Ruijie Liu ...
来源:[J].LWT(IF 2.546), 2020, Vol.124
摘要:Abstract(#br)4,4-Dimethylsterols, are a special class of naturally-occurring phytosterols that possess numerous health benefits via improving the endogenous cannabinoid system. The established 4,4-dimethylsterols profile in vegetable oils is limited to few common compounds, notab...
作者:Ananda S. Amarasekara , Cristian D. Gutierrez Reyes
来源:[J].Journal of Analytical and Applied Pyrolysis(IF 2.56), 2020, Vol.145
摘要:... The liquefied products were fractionated to polar and non-polar fractions by solvent extractions and analyzed using liquid chromatography - mass spectrometry (LC MS) and gas chromatography - mass spectrometry (GC-MS). The weights of polar fraction : non-polar fraction was 2 ...

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