mass spectrometry
The role of lipids in defining membrane protein interactions: insights from mass spectrometry
... with mass spectrometry (IM–MS), information on the size and shape of the ions can be obtained ...same mass but different topology have distinct arrival times on ...
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Analysis of polychlorinated dibenzo p dioxins and dibenzofurans in stack gas emissions by gas chromatography atmospheric pressure chemical ionization triple quadrupole mass spectrometry
... ionization APCI source based method was compared with the high resolution mass.. spectrometry HRMS standard reference method EN1948, for the analysis of.[r] ...
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Application of maldi-tof mass spectrometry in clinical virology: a review.
... Abstract: MALDI-TOF mass spectrometry is a diagnostic tool of microbial identification and characterization based on the detection of the mass of molecules. In the majority of clinical laboratories, ...
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Application of tandem mass spectrometry to biochemical genetics and newborn screening
... Tandem mass spectrometry (MS/MS) was devel- oped over 20 years ago [5] and was first applied to biochemical genetics soon afterwards ...quadrupole mass spectrom- eter which, as the name suggests, ...
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Development and validation of a liquid chromatography isotope dilution mass spectrometry method for the reliable quantificationof alkylphenols in environmental water samples by isotopepattern deconvolution
... We present here a new measurement method for the rapid extraction and accurate quantification of technical nonylphenol (NP) and 4-t-octylphenol (OP) in complex matrix water samples by UHPLC-ESI-MS/MS. The extraction of ...
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Standardization of commercial cinnamon essential oils by gas chromatography-mass spectrometry analysis
... The chemical composition of seven Cinnamomum zeylanicum Blume essential oils traded as spices and me- dicinal items has been determined by gas chromatography-mass spectrometry analysis. Eighty-two compounds ...
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Gas Chromatography Mass Spectrometry Profiles of Ten Pilea Species (Urticaceae)
... chromatography-mass spectrometry profiles of 10 species, collected by the herbarium of the Universidad del Valle, were performed in gas chromatography-mass spectrometry, using samples in ...
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TítuloA simple procedure to select a model for mass discrimination correction in isotope dilution inductively coupled plasma mass spectrometry
... A fast, simple and straightforward procedure to decide on the best model to calculate the mass discrimination factor in Isotope Dilution Inductively Coupled Plasma Mass Spectrometry (ID-ICP-MS) is ...
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Metabolomics of diet related diseases using mass spectrometry / Emily G Armitage, Francisco J Rupérez, Coral Barbas
... Tolstikov, Comprehensive mass spectrometry based metabolic profiling of blood plasma reveals potent discriminatory classifiers of pancreatic cancer, Rapid Commun.. Idle, Aberrant lipid m[r] ...
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Optimization of a headspace solid phase microextraction and gas chromatography/mass spectrometry procedure for the determination of aromatic amines in water and in polyamide spoons
... determined aromatic amines in hair dye, henna and dyed hair samples by a GC/MS method [30]. These methods include ion-pair extraction with bis-2-ethylhexylphosphate (BEHPA), derivatization of compounds with isobutyl ...
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False sugar sequence phenomenon and structural analysis of α hederin and hederacoside c through electrospray ionization and multi stage tandem mass spectrometry
... tandem mass spectrometry in the structural analysis of glycosides is prevalent in several ...tandem mass spectra of these molecules only show ions type B and Y without the presence of Y*, which ...
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Identification and quantitation of cis ketoconazole impurity by capillary zone electrophoresis mass spectrometry
... trans-Ketoconazole was identified and quantified as impurity of cis-ketoconazole, an antifungal compound, by capillary zone electrophoresis–electrospray–mass spectrometry (CZE–ESI–MS). The chirality of this ...
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Quantification of torsemide in rabbit plasma by liquid chromatography/electrospray mass spectrometry and its application
... A sensitive and simple liquid chromatography/electrospray mass spectrometry (LC-ESI-MS) method for determination of torsemide in rabbit plasma using one-step protein precipitation was de[r] ...
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Robustness testing in the determination of seven drugs in animal muscle by liquid chromatography–tandem mass spectrometry
... The rules laid down in Commission Decision No 2002/657/EC [14] require confirmatory methods for organic residues such as those from veterinary drugs or contaminants to provide information on the chemical structure of the ...
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Analytical study on ethephon residue determination in water by ion pairing liquid chromatography/tandem mass spectrometry
... Analytical study on ethephon residue determination in water by ion-pairing liquid.. chromatography/tandem mass spectrometry.[r] ...
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MALDI-TOF mass spectrometry of oligomeric food polyphenols
... quadrapole mass spectrometer (MS) with an atmospheric pressure ionization (API) ...in mass spectrometry have also allowed for the characterization of complex mixtures of anthocyanin-polyflavan-3-ol ...
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Newborn mass screening and selective screening using electrospray tandem mass spectrometry in Japan
... tandem mass spectrometry was applied to detect a series of inherited metabolic disorders during a newborn-screening pilot study and a selective screening in ...our mass screening of 102 200 newborns, ...
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Chiral capillary electrophoresis mass spectrometry of amino acids in foods / Coral Barbas [et al ]
... the mass analyzer, a physically coated capillary able to provide EOF values equal to zero at a separation pH at which the derivatized amino acids can bear elec- trical net-charge (and, therefore, move by ...
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