Tandem mass spectrometry studies of acetone and acetone/water cluster ions
نویسندگان
چکیده
منابع مشابه
Tandem Mass Spectrometry and Glycoproteins
Glycoproteins and glycopeptides are organic compounds that are composed of both polypeptide and carbohydrate chains bonded together. For many years glycoproteins and glycopeptides have been a subject of interest; however, recently they have aroused the interest of biochemists and biologists from a wide range of fields. This increased interest is partly due to the fact that glycoproteins were di...
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1 Selected tandem mass spectrometry (MS/MS) ion monitoring (SMIM) is the most 2 suitable scanning mode to detect known peptides in complex samples when an ion-trap 3 mass spectrometer is the instrument used for the analysis. In this mode, the MS detector 4 is programmed to perform continuous MS/MS scans on one or more selected 5 precursors, either during a selected time interval, or along the w...
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Tandem mass spectrometry coupled to liquid chromatography (LC-MS/MS) allows identification of proteins in a complex mixture without need for protein purification ("shotgun" proteomics). Recent progress in LC-MS/MS-based quantification, phosphoproteomic analysis, and targeted LC-MS/MS using multiple reaction monitoring (MRM) has made LC-MS/MS a powerful tool for the study of cell physiology.
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The structure and fragmentation mechanism of metal (Mn(II), Al(III) and Cu(II)) complexes of xanthone glycosides as well as metal coordination sites were investigated by electrospray ionization tandem mass spectrometry. Four Mn(II) complexes of xanthone glycoside with different stoichiometric ratios were observed from swertianin 7-Orhamnosyl(1 2)xyloside, swertianin 7-O-xylosyl(1 2)xyloside and...
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ژورنال
عنوان ژورنال: Journal of the American Society for Mass Spectrometry
سال: 1991
ISSN: 1044-0305,1879-1123
DOI: 10.1016/1044-0305(91)80004-q