[PDF] Top 20 Ultra performance liquid chromatography quadrupole/time of flight mass spectrometry analysis of the impact of processing on toxic components of Kansui Radix
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Ultra performance liquid chromatography quadrupole/time of flight mass spectrometry analysis of the impact of processing on toxic components of Kansui Radix
... that processing with vinegar caused conspicuous chemical changes in Gan- ...11 toxic terpe- noids, 3-O-benzoyl-13-O- dodecanoylingenol/20-O-benzoyl- 13-O-dodecanoylingenol, kansuinine D, kansuinine A, 3-O- ... See full document
8
Ultra performance liquid chromatography quadrupole\time of flight mass spectrometry with multivariate statistical analysis for exploring potential chemical markers to distinguish between raw and processed Rheum palmatum
... for time-consuming extraction, isolation, purification, and identification ...component analysis (PCA) and orthogonal partial least square discriminant analysis ... See full document
10
Tissue-specific metabolite profiling and quantitative analysis of ginsenosides in Panax quinquefolium using laser microdissection and liquid chromatography–quadrupole/time of flight-mass spectrometry
... active components of herbal ...active components in Sinomenium acutum, Aloe vera ...active components could not be ...and ultra-high performance liquid ... See full document
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Original Article Metabolomics analysis on patients with ischemic stroke based on ultra-performance liquid chromatography with quadrupole-time-of-flight mass spectrometry
... important components of the cell membrane, and can participate in many bio- logical processes, such as cell growth, differen- tiation, aging and apoptosis ... See full document
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Identification of nuclear factor κB inhibitors in the folk herb Rhizoma Menispermi via bioactivity based ultra performance liquid chromatography/quadrupole time of flight mass spectrometry analysis
... removing toxic material, dispelling wind and relieving pain, and RM is typically used to treat swelling and pain for sore throat, enteritis and rheumatic arthralgia in the ...primary components of RM are ... See full document
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Simultaneous untargeted and targeted metabolomics profiling of underivatized primary metabolites in sulfur-deficient barley by ultra-high performance liquid chromatography-quadrupole/time-of-flight mass spectrometry
... on mass spectrometry analysis are increasingly applied in diverse scientific domains, notably agronomy and plant biology, in order to understand plants’ behaviors under different stress condi‑ ...the ... See full document
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Discrimination of Radix Polygoni Multiflori from different geographical areas by UPLC-QTOF/MS combined with chemometrics
... with liquid chromatog- raphy and other spectrometric methods are widely used in many fields concerning TCMs, such as the comparison of different species [18], quality control and moderniza- tion of TCM ...using ... See full document
12
Simultaneous determination of various platycosides in Four Platycodon grandiflorum cultivars by UPLC-QTOF/MS
... Platycodi Radix (root of Platycodon grandiflorum), there are a number of platycosides that consist of a pentacyclic triterpenoid aglycone and two sugar ...on ultra performance liquid ... See full document
10
Mass spectrometry-based microbiological testing for blood stream infection
... MS analysis of volatile pyrolysis products to identify complex organic materials was reported in 1952 ...gas–liquid chromatography (Py-GLC); the values of Py-GLC for the classification and ID of ... See full document
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“Production and Identification of Destruxins in Crude Extract of the Local Fungus Metarhizium anisopliae var anisopliae by Liquid Chromatography-Electrospray time-of-flight Mass Spectrometry” by Benserradj O, Albrieux F, Mihoubi I, Algeria.
... The distinction between about 12 expected destruxins is not possible using a simple gradient HPLC method. The development of liquid chromatography coupled with mass spectrometry (LC-MS) ... See full document
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Biotransformation of ginsenosides Rb1, Rg3 and Rh2 in rat gastrointestinal tracts
... Panax ginseng (Renshen) is used in Chinese medicines to treat various conditions such as debility, ageing, stress, diabetes, insomnia and sexual inadequacy [1-3]. The major bioactive components of P. ginseng are ... See full document
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Theoretical analysis of the retention behavior of pesticides and active pharmaceutical compounds in wastewater and river waters in liquid chromatography–quadrupole-time-of-flight mass spectrometry
... of the pre-processing methods we need before performing the regression methods combined with FE. The results of the projection methods depend on the normalization of the data. Descriptors with small absolute ... See full document
11
Modeling of Sic Power Semiconductor Devices For Switching Converter Applications
... Prior to extraction analysis, all samples are cut to prescribed lengths. In previous CE analyses for fiber dyes, percent relative standard deviations (RSDs) for peak areas have varied from 10-20%, of most ... See full document
163
Rapid and Reproducible Dibutylation Derivatization Coupled with Ultra High Performance Liquid Chromatography Tandem Mass Spectrometry for the Simultaneous Determination of Dopamine, Norepinephrine and 5 Hydroxytryptamine in Rat Brain Microdialysates
... In this work, a simple dibutylation derivatization method coupled with a rapid UPLC-MS/MS was developed for the simultaneous determination of DA, NE and 5-HT. Derivatization was easy to handle, which was performed with ... See full document
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A Sensitive, Stability indicating UPLC method for the identification and characterization of forced degradation products for Drometrizole Trisiloxane through MSn studies
... accurate mass measurement was also conducted to confirm the molecular formulae of DRT and its ...accurate mass data for protonated molecules was determined and calculated error in parts per million (ppm) ... See full document
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Analysis of the metabolic properties of maintenance hemodialysis patients with glucose-added dialysis based on high performance liquid chromatography quadrupole time-of-flight mass spectrometry
... Test optimization, precision, and repeatability control Liquid chromatographic conditions were optimized by study- ing the impact of flow rate, injection volume, and column temperature. MS conditions were ... See full document
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Hanke, Stefan (2008): Characterization of signal transduction pathways by MS-based quantitative proteomics: Phosphotyrosine interactomics and insulin signaling Absolute quantitation of proteins by mass spectrometry. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... Escherichia coli strain auxotrophic for arginine and lysine. This yields stable isotope-labeled proteins when expressed in mini- mal medium supplemented with heavy labeled analogues of these two amino acids. Following ... See full document
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Untargeted Mass Spectrometry Lipidomics identifies correlation between serum sphingomyelins and plasma cholesterol
... the metabolites had undergone loss of specific frag- ments. Each compound was characterized by its m/z and retention time (Table 2). A same compound can be ionized in positive and negative ion mode, respectively ... See full document
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Original Article Effects of Evodiae Fructus on targeted distribution of berberine in rats
... adrupole mass spectrometer (Xevo-TQ-S mass spectrometer, Waters Corporation) was employ- ed for quantification of berberine and the inter- nal standard ...The mass spectrometer was set in the ... See full document
9
Development and Validation of a HPTLC Method to Determine Serum Zonisamide levels for Therapeutic Drug Monitoring in Clinical Settings
... Maintaining effective concentrations of antiepileptic drugs in blood is very important to attain proper seizure control in epileptic patients. Changes in the blood concentration of an antiepileptic drug can lead to ... See full document
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