[PDF] Top 20 Development of nanoinjector devices for electrospray ionization - tandem mass spectrometry (ESI-MSn)

... In mass spectrometric (MS) systems with electrospray ionization (ESI), the sample can be analyzed coupled to separation systems (such as liquid chromatography or capillary electrophoresis) or simply ... See full document

... by electrospray ionization tandem mass spectrometry (ESI-MS/MS) is a potent tool for the diagnosis and screening of fatty acid oxidation and organic acid ...(DBS) of ... See full document

... body mass index (Table ...OA of the knee were selected as the experimental groups, and 48 healthy women, including 24 premenopausal women (aged 37-46 years) and 24 postmenopausal women (aged 56-69 years), ... See full document

... class of natural phenolic compounds after lignin ...class of proanthocyanidins, which are oligomers and polymers of (epi)catechin subunits; prodelphinidins, which are made up of ... See full document

... vents the analysis of aqueous samples. Recently, other analytical methods without derivatization step were developed for monosaccharide anhydrides quantification us- ing High Performance Liquid Chromatography ... See full document

... Determination of pesticides in apple-based infant foods using liquid chromatography electrospray ionization tandem mass spectrometry. Journal of Agricultural and Food Chemistry,[r] ... See full document

... activity of nucleic acids, proteins and other biomolecules, causing significant oxidative ...and mass spectrometry data, this work discusses products that prove acetyl radicals are produced and are ... See full document

... infusion electrospray ionization tandem mass spectrometry in the negative ion mode with single reaction monitoring is show to allow high selectivity and sensitivity in the quantiication ... See full document

... use of moxidectin (MOX), a parasiticide used in the sheep breeding, has induced the parasite resistance in Brazilian ...frequency of drug utilization, and disregards safety of meat or ... See full document

... relevance of this procedure. In this work we evaluated the potential of 10,15,20-tetrakis (pental uorophenyl) porphyrin metal(III) chloride [Fe(TFPP)Cl] catalyst models to afford a putative monensin A ... See full document

... bacterium of the genus ...attention of the scientific ...investigation of the gas-phase chemistry fragmentation reactions of seriniquinone in electrospray ionization ... See full document

... determination of the dissociation pathways of these main antimalarial drugs should benefit their monitoring by MS techniques in pharmaceutical products and biological fluids and the proper identification ... See full document

... detection of specific protein modifications ...potential of top-down approaches, the chromato- graphic separation of intact proteins should be brought to the level as now achieved in shotgun ... See full document

... O padrão de fragmentação de uma série homóloga de alcalóides piperidínicos isolados de Senna spectabilis foi investigado utilizando-se espectrometria de massas tandem com ionização por electrospray ... See full document

... Six of the 25 lipid classes and subclasses were significantly associated with ALC, these included the glycosphingolipids, dihexosylceramide and trihexosylceramide, the ether linked lipids alkylphosphatidylcholine ... See full document

... current mass spectrometric method, it is difficult to unambiguously deter- mine the structure of these detected ...possibility of the frag- mentation of large ions in the mass ... See full document

... roots of Cordia ...(NMR) spectrometry, Fourier transform infrared (FTIR) spectroscopy and high resolution atmospheric pressure chemical ionization mass spectrometry (HRAPCIMS) data ... See full document

... not included in the database. When the sample spectra is acquired by the system but not recognized by the database, it is possible to include its spectra into the individual database (library), but the operator must be ... See full document

... hydrogen of E-3 (in red) led to enhanced signals for one of the methyl group at the dioxolane ring and hydrogen at chiral center (Figure ...Configuration of Z-8 and E-8 were established by comparison ... See full document

... majority of previous experimental and field stud- ies identifying SOA compounds focused on low molecu- lar weight (LMW) species (m/z<200; ...formation of HMW SOA com- pounds that are oligomers of ... See full document