mass spectrometry of polymers new techniques

mass spectrometry of polymers new techniques

... coupled plasma mass spectrometry IMS-MS Ion mobility spectrometry mass spectrometry LC Liquid chromatography LDI-MS Laser desorption ionization mass spectrometry LOD Limits of detection m/z Mass- to-charge ... Electrospray ionization -mass spectrometry FTICR-MS Fourier transform ion cyclotron resonance- mass spectrometry FTMS Fourier transform mass spectrometry GC-MS G...

Ngày tải lên : 30/05/2014, 00:23

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Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf

... Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation process of onconase 2 Marc Ribo ´ 1 , Montserrat Bosch 1 , ... the Materials and methods. Completion of the hydrolysis was conﬁrmed by the disappearance of the (Met1)-ONC (M23L) signal in the MALDI-TOF mass spectra 1 h after the addition of AAP. T...

Ngày tải lên : 19/02/2014, 12:20

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mass spectrometry of proteins and peptides

... isotopic profiles of labeled ions are clearly visible. The series of y′′ ions is followed downward in mass and should terminate at the labeled y′′ ion of arginine or lysine. Upward in mass, the ... the mass of the singly protonated ion of an intact peptide. The high resolution of a QqTOF instrument greatly assists in spectrum inter- pretation and allows one to obtain addition...

Ngày tải lên : 11/04/2014, 09:50

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TECHNIQUES FOR THE ANALYSIS OF ORGANIC CHEMECALS BY INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY (ICP-MS) pptx

... Techniques for the Analysis of Organic Chemicals by Inductively Coupled Plasma Mass Spectrometry (ICP-MS) Petrochemical Authors Ed ... the analytical capability of the technique to the determination of similarly low levels of metal contamination in organic solvents and other complex matrices. The new instrument hardware overcomes ... reactions...

Ngày tải lên : 05/03/2014, 21:20

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Determination of EDTA in Water Samples by SPE-Gas Chromatography/Mass Spectrometry

... Examination of Water. Occurrence of EDTA in river water samples from three regions of Japan was examined. EDTA was detected in ten of thirteen river water samples. A high level of EDTA was ... 1.2 mL/min. Mass spectrometry was carried out using a 5973 Mass Selective Detector (Hewlett Packard, Wilmington, DE, USA) in electron-ionization mode with an ionization voltage of...

Ngày tải lên : 05/09/2013, 10:15

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Tài liệu Real-time, on-line monitoring of organic chemical reactions using extractive electrospray ionization tandem mass spectrometry pdf

... Mass spectrometry-based methods are of particular interest for the on- line analysis of reactions, 1 due to their high sensitivity and high speciﬁcity. Tandem mass spectrometry (MS n ) is often used ... electrospray ionization spectrometry (ESI-MS) 4–9 and membrane introduction mass spectrometry (MIMS) 10–12 are gaining popularity in this ﬁeld, both techniques require a...

Ngày tải lên : 14/02/2014, 08:20

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$Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic proﬁles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx$

Tài liệu Báo cáo khoa học: Comparison of membrane fraction proteomic proﬁles of normal and cancerous human colorectal tissues with gel-assisted digestion and iTRAQ labeling mass spectrometry pptx

... Keller JW, Merchant NB, Levy SE, Coffey RJ & Caprioli RM (2004) Proteome analysis of human colon cancer by two-dimensional difference gel electrophoresis and mass spectrometry. Proteomics 4, 793–811. 5 ... provide comprehensive analyses of soluble proteins, the analysis of membrane proteins has lagged behind because of their low concentration and high hydropho- bicity. New to...

Ngày tải lên : 16/02/2014, 15:20

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Tài liệu Báo cáo khoa học: A functional polymorphism of apolipoprotein C1 detected by mass spectrometry docx

... vivo. Known variants of the ApoC1 gene are limited to un- translated regions of the gene, synonymous mutations of the coding sequence and a number of variants of the intron regions of the gene (NCBI ... comparison of m ⁄ z values with those of known plasma proteins, Edman degradation of the entire sam- ple with observed removal of mass appropriate for the expected N-term...

Ngày tải lên : 19/02/2014, 05:20

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Tài liệu Báo cáo khóa học: Determination by electrospray mass spectrometry and 1H-NMR spectroscopy of primary structures of variously fucosylated neutral oligosaccharides based on the iso-lacto-N-octaose core doc

... sequence analysis of underivatized oligosaccharides by com- bined MS/MS of singly and doubly charged molecular ions in negative-ion electrospray mass spectrometry. J. Am. Soc. Mass Spectrom. 13, ... Primary structure of human milk octa-, dodeca- and tridecasaccharides determined by a combination of 1 H-NMR spectroscopy and fast-atom-bombard- ment mass spectrometry. Evidence fo...

Ngày tải lên : 19/02/2014, 12:20

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Tài liệu Báo cáo khoa học: Si-face stereospeciﬁcity at C5 of coenzyme F420 for F420H2 oxidase from methanogenic Archaea as determined by mass spectrometry ppt

... that of a mixture of [5- 1 H]F 420 and [5- 2 H]F 420 (c). The simulated stick spectrum of reduced F 420 (b, white) and that of the FprA oxidation product (c, white) are for a 1 : 1 mixture of [5- 1 H]F 420 and ... be an intrinsic property of F 420 rather than of the F 420 -dependent enzymes. An example of the stereospeciﬁcity of a dehydrogenase being dicta- ted by the struct...

Ngày tải lên : 20/02/2014, 03:20

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