Direct infusion ESI-MS and data analysis
Multi-Segment Direct Inject nano-ESI-LTQ-FT-ICR-MS/MS For Protein Identification
... established direct infusion nano-ESI-MS/MS utilizing the NanoMate for protein identification of gel spots based on full range MS scans with data dependent ...established ...
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Exploring the proteome by CE-ESI-MS
... extent data processing tools have helped many field of biological analysis but none-more so than the field of ...genomic analysis, no amplification tools to identify low concentration proteins are ...
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Fast LC-ESI-MS/MS analysis and influence of sampling conditions for gut metabolites in plasma and serum
... Although the gut metabolite serum levels did not change significantly between the fasted and SLM- challenged time point, an increase in glucose and branched-chain amino acids was demonstrated by Schutte et al. in the ...
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UHPLC DAD ESI MS/MS Analysis of Flavonoids from Ethanolic Extracts of Theobroma cacao Husk in Cuba
... 3 ARVARNAM, 16 lot. les Rosiers, Quartier Thoraille, Rivière-Salée, Martinica, France Abstract A sample of ethanolic extracts of the husk of Theobroma cacao L. was scruti- nized using a UHPLC/DAD/MS Thermo ...
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Rapid differentiation of Xihuangcao from the three Isodon species by UPLC-ESI-QTOF-MS/MS and chemometrics analysis
... UPLC-MS data generated form the 15 reference ...UPLC-MS data of the remain- ing 19 commercial samples were imported and classi- fied using the prediction ...UPLC-MS data for this ...
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Validation of a UHPLC-ESI-MS/MS Method for Anthocyanidin Quantification in Potato Tubers
... (2011). Adequate linearity could be observed only in a very narrow range unsuitable for the routine analysis. Our results have shown that, in this range, a quadratic calibration curve (using a weighing factor 1/x ...
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Qualitative and quantitative HPLC-ELSD-ESI-MS analysis of steroidal saponins in fenugreek seed
... literature data (6, 27), the mobile phase used in our experiments was water/acetonitrile to eliminate the formation of methoxy C-22 derivatives of furostanol saponins with a free hydroxyl group at this ...
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Phytochemical Study of Nothapodytes foetida by LC-ESI-MS
... spectrum analysis including fragmentation patterns and comparison with literature data, without involving the time consuming and hectic separation process of these individual ...quantitative analysis ...
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Phytochemical Diversity in Rhizomes of Three Reynoutria Species and their Antioxidant Activity Correlations Elucidated by LC-ESI-MS/MS Analysis.
... HPLC/UV/ESI-MS studies of three Reynoutria species revealed 171 compounds comprising stilbenes, carbohydrates, procyanidins, flavan-3-ols, anthraquinones, phenylpropanoids, lignin oligomers, hydroxycinnamic ...
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INVESTIGATIONS ON THE PHOTOLYSIS OF IMAZETHAPYR IN AQUEOUS SOLUTIONS UNDER DIRECT SUNLIGHT BY HPLC UV AND LC-MS/MS-ESI - APPLICATIONS OF GREEN ALGA AS A POTENTIAL BIOMARKER
... The photolysis of Imazethapyr in water was investigated at concentrations 1 µg/ml and 2 µg/ml. The study was conducted in Milli-Q water, acidic, neutral and basic buffer solutions. Three replicate determinations were ...
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Picogram level quantification of Afatinib in human plasma samples by LC–ESI MS/MS
... Method development and validation The goal of this work is to develop and validate a simple, rapid and sensitive assay method for the quantitative determination of AT from plasma samples. LC-MS/MS has been ...
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PICOGRAM LEVEL QUANTIFICATION OF VARENICLINE IN HUMAN PLASMA SAMPLES BY LC–ESI MS/MS
... Method development and validation: The goal of this work is to develop and validate a simple, rapid and sensitive assay method for the quantitative determination of VT from plasma samples. LC-MS/MS has been ...
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MALDI MS imaging for direct drug distribution analysis
... presented data on xenobiotic distribution within whole body sections since the first report by Rohner et ...MSI data after an intra-tracheal administration of ...SI data after oral dose but the W B A ...
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LC-ESI-MS analysis, antitumor and antioxidant activities of methanolic extract of Egyptian Allium kurrat
... HPLC-ESI-MS analysis but the data will be more reliable if the extract will be evaluated by HPLC-DAD (UV-Visible spectrum) together with ...
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Combining DI-ESI–MS and NMR datasets for metabolic profiling
... both MS and NMR analyses, minimizing the potential for variability between the two ...preparation, data collection and data handling protocols to effectively integrate direct-infusion ...
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A validated LC-ESI-MS/MS method for the quantification of Selegiline HCl in bulk and pharmaceutical formulation
... LC-MS/MS analysis, an ultra-fast liquid chromatography (UFLC) system which was equipped with a solvent delivery system LC-20AD pump, a photo-diode array detector SPD-M20 PDA, a CTO-20AC column oven, ...
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Computational Analysis of LC-MS/MS Data for Metabolite Identification
... As bioscience research is moving towards systems biology paradigm in the past decade, the study of metabolism receives increasing attention in recent years. When a biological system is perturbed by environment stimuli, ...
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Comparative study of Mentha species growing wild in Egypt: LC-ESI-MS analysis and chemosystematic significance
... Peaks 20 and 27 presented the same molecular ion peak at m/z 609 and the same fragment ion at m/z 301, after the loss of disaccharide moiety (rhamnose+hexose). No fragments were observed at m/z 447 or 463, indicated that ...
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Direct infusion mass spectrometry metabolomics dataset: a benchmark for data processing and quality control
... The datasets presented here arise from a direct infusion mass spectrometry (DIMS) based metabolomics study of mammalian cardiac tissue extracts. The study was originally designed to evaluate intra- and ...
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Characterization of Intact Proteins by ESI-LC/MS
... – for removal of detergents and other components not compatible with mass spec or protein digestion. compatible with mass spec or protein digestion – Methods (See appendix for protocols[r] ...
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