(ultra) high performance liquid chromatography-mass spectrometry
Optimisation of pressurized liquid extraction using a multivariate chemometric approach for the determination of anticancer drugs in sludge by ultra high performance liquid chromatography-tandem mass spectrometry
... Tandem mass spectrometry a b s t r a c t The present paper describes an analytical method for the determination of 2 widely administered anti- cancer drugs, ifosfamide and cyclophosphamide, contained in ...
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Optimisation of pressurized liquid extraction using a multivariate chemometric approach for the determination of anticancer drugs in sludge by ultra high performance liquid chromatography–tandem mass spectrometry
... Tandem mass spectrometry a b s t r a c t The present paper describes an analytical method for the determination of 2 widely administered anti- cancer drugs, ifosfamide and cyclophosphamide, contained in ...
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Analysis by high-performance liquid chromatography diode array detection mass spectrometry of phenolic compounds in fruit of Eucalyptus globulus cultivated in Algeria
... on high-performance liquid chromatography coupled with diode array detection and electrospray ionization mass spectrometry (HPLC-DAD-ESI-MS) following fractionation by chromatog- ...
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Determination of lidocaine and its two N-desethylated metabolites in dog and horse plasma by high-performance liquid chromatography combined with electrospray ionization tandem mass spectrometry
... using high-performance liquid chromatography combined with electrospray ionization mass spectrometry is ...a liquid–liquid extraction with methyl tert-butylmethyl ...
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Validating the use of an ultra-performance liquid chromatography with tandem mass spectrometry method to quantify equol in cow's milk
... ultra-performance liquid chromatography coupled with a tandem mass spectrometry detector to quantify the equol in commercial milks (raw, whole, semi-skimmed, and skimmed ...double ...
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Quantitative determination and validation of 17 cannabinoids in cannabis and hemp using liquid chromatography-tandem mass spectrometry
... the high concentration of cannabinoids in matrix and the lack of adequate blank matrices, it is not practical or affordable to spike cannabinoids or internal standards directly into matrix prior to ...
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Separation, identification and quantitation of ceramides in human cancer cells by liquid chromatography–electrospray ionization tandem mass spectrometry
... by liquid chromatography ...The high-performance liquid chromatograph to allow a sensitive UV measurement, fluorescent or (HPLC) is a HP 1100 series; it is equipped with a radioisotope ...
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Mapping of selenium metabolic pathway in yeast by Liquid Chromatography−Orbitrap mass spectrometry
... 53 High performance liquid chromatography and mass spectrometry Chromatographic separation was performed using an Agilent series 1100 HPLC ...
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Contribution of multidimensional liquid chromatography with Inductively Coupled Plasma Mass Spectrometry and Ion Mobility Mass Spectrometry detection in speciation analyses of selenium containing from selenium-rich yeasts
... Selenium (Se) is an essential trace element. Several reports like the NPC [1] clinical trial support that high dietary intake of organic Se has beneficial effects, notably protective effects against various ...
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Liquid chromatography–mass spectrometry to study chondroitin lyase action pattern
... Liquid chro ma tog ra phy–mass spec trom e try was applied to deter mine the action pattern of dif fer ent chon droi tin lyases. Two com mer cial enzymes, chon dro itin ase ABC (Pro teus vul ga ris) and ...
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Development and validation of a multi-residue method for pesticide determination in honey using on-column liquid-liquid extraction and liquid chromatography-tandem mass spectrometry
... for high sample input ...relatively high limit of detection ...on-column liquid-liquid extraction (OCLLE) method has been tested as it seemed to combine advantages of LLE, SPE and ...
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Sensitive determination of domoic acid in mussel tissue using dansyl chloride derivatization and liquid chromatography-mass spectrometry
... / La version de cette publication peut être l’une des suivantes : la version prépublication de l’auteur, la version acceptée du manuscrit ou la version de l’éditeur. For the publisher’[r] ...
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Determination of methionine and selenomethionine in selenium-enriched yeast by species-specific isotope dilution with liquid chromatography-mass spectrometry and inductively coupled plasma mass spectrometry detection
... by liquid chromatography-mass spectrometry (LC/MS) using standard additions calibrations as well as isotope dilution (ID) based on species-specific 13 C-enriched ...plasma mass ...
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An attempt to characterize the human Chorionic Gonadotropin protein by reversed phase liquid chromatography coupled with high-resolution mass spectrometry at the intact level
... 19 digestion after a reduction step will help to reduce the complexity of hCG-sample and favor the ionization of hCGβ isoforms. Nevertheless, more than 30 isoforms were detected for both r-hCGα and u-hCGα, and some of ...
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Comprehensive two-dimensional gas chromatography combined with high-resolution mass spectrometry: exploring mass defect information to characterize base oil
... GAS CHROMATOGRAPHY COMBINED WITH HIGH-RESOLUTION MASS SPECTROMETRY: EXPLORING MASS DEFECT INFORMATION TO CHARACTERIZE BASE OIL Anupam Giri 1 , Marion Courtiade 2 , Amandine Racaud 2 , ...
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Selective gas chromatography mass spectrometry method for ultratrace detection of selenocyanate
... causing shifts in the retention times. The effect of sulfate on the GC/MS/MS method was studied. The derivatization of 6 ng/g Se was carried out in a solution with Na 2 SO 4 . The sulfate did not interfere significantly ...
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Toxic Cyanobacteria in Svalbard: Chemical Diversity of Microcystins Detected Using a Liquid Chromatography Mass Spectrometry Precursor Ion Screening Method
... extracted mass of lyophilized material, their toxin content as determined by enzyme-linked immune sorbent assays (ELISAs), the liquid chromatography mass spectrometry (LC-MS) precursor ...
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Untargeted Serum Metabolic Profiling by Comprehensive Two-Dimensional Gas Chromatography-High-Resolution Time-of-Flight Mass Spectrometry.
... improved by using a larger pool of (carefully selected) ISs. We would recommend to inject at least three ISs per major chemical class and one per minor one. One IS per intensity level (high, medium, or low) and ...
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High Performance Thin-Layer Chromatography of Plant Ecdysteroids Coupled with Desorption Electrospray Ionisation-Ion Mobility-Time of Flight High Resolution Mass Spectrometry (HPTLC/DESI/IM/ToFMS)
... Data Processing Acquisition setup, processing and visualisation of imaging data were performed using High Definition Imaging (HDI) 1.5 (Waters Corporation, Manchester, UK). Data were acquired and mined using ...
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A rational strategy based on experimental designs to optimize parameters of a liquid chromatography-mass spectrometry analysis of complex matrices
... to manage in order to control the ionization efficiency inside the atmospheric pressure ionization 43 . source (API). Indeed, the signal obtained depends on several[r] ...
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