Results 71 to 80 of about 4,133,758 (201)

Quantification of seminolipid by LC-ESI-MS/MS-multiple reaction monitoring: compensatory levels in Cgt mice[S]

Journal of Lipid Research, 2010
Seminolipid, also known as sulfogalactosylglycerolipid (SGG), plays important roles in male reproduction. Therefore, an accurate and sensitive method for SGG quantification in testes and sperm is needed.
Kessiri Kongmanas, Hongbin Xu, Arman Yaghoubian, Laura Franchini, Luigi Panza, Fiamma Ronchetti, Kym Faull, Nongnuj Tanphaichitr   +7 more
doaj   +1 more source

Multistage electrospray ionization mass spectrometric analyses of sulfur-containing iridoid glucosides in Paederia scandens

, 2007
Paederia scandens is a traditional Chinese herbal medicine that possesses important bioactive sulfur-containing iridoid glucosides. This study reports the investigation of the fragmentation behavior of four sulfur-containing iridoid glucosides isolated ...
Liu, X, Zou, X, Peng, SL, Ding, LS, Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Sichuan Prov, Peoples R China., Ding, LS, Zhou, Y   +5 more
core  

Three-Dimensional-Printed Lateral Extraction Enhanced Desorption Electrospray Ionization Source for Mass Spectrometry

Applied Sciences
This paper introduces a novel Lateral Extraction Enhanced Desorption Electrospray Ionization (LEE-DESI) source. This source is specifically designed to tackle the crucial issue of electric field interference in dual-channel ambient ionization mass ...
Jilin Liu, Xiang Qian
doaj   +1 more source

High mass accuracy analytical applications of Fourier transform ion cyclotron resonance mass spectrometry [PDF]

The performance capabilities of Fourier transform ion cyclotron resonance (FTICR) mass spectrometry are higher than any other type of mass spectrometer, making this technique suitable for a range of analytical applications.
Wills, Rebecca Helen
core  

Reversible addition-fragmentation chain-transfer polymerization: Unambiguous end-group assignment via electrospray ionization mass spectrometry

, 2002
Electrospray ionization mass spectrometry was performed to identify the structure of polymeric methyl acrylates generated via the cumyl dithiobenzoate (CDB), cumyl p-fluorodithiobenzoate (CPFDB), and 1-phenylethyl dithiobenzoate (PEDB) mediated ...
Davis, T. P., Barner, Leonie, Barner, L, Vana, Philipp, Vana, P, Davis, TP, Albertin, L, Barner-Kowollik, C., Davis, Thomas P., Albertin, L., Vana, P., Barner-Kowollik, C, Barner, L., Barner-Kowollik, Christopher, Albertin, Luca   +14 more
core   +1 more source

Stereochemical differentiation of C-7 hydroxyltaxane isomers by electrospray ionization mass spectrometry

, 2009
In this study, different electrospray ionization mass spectrometric (ESI-MS) methods were utilized to analyze several pairs of taxane stereoisomers including paclitaxel and 7-epi-paclitaxel.
He, Yu-Qi, Liu, Xing-Bao, Yang, Li, 杨凌, Zhang, Rong, Ge, Guang-Bo, Wang, Zheng-Tao, Zhang, Yan-Yan, Yang, Ling, Ai, Chun-Zhi   +9 more
core   +1 more source

Advanced methods in fourier transform ion cyclotron resonance mass spectrometry [PDF]

Mass spectrometry (MS) is a powerful analytical technique used to characterize various compounds by measuring the mass-to-charge ratio (m/z). Among different types of mass analyzers, Fourier transform ion cyclotron resonance mass spectrometer (FT-ICR ...
Qi, Yulin
core  

The analysis of collision induced dissociation of rhodium and osmium carbonyl clusters by energy-dependent electrospray ionisation mass spectrometry

The derivatization of neutral transition metal carbonyl clusters with an alkoxide anion, [Mn(CO)xOR]- is discussed. The electrospray ionization mass spectrometry technique is used for the purpose.
Whyte, C., Langridge-Smith, P.R.R., Dyson, Paul Joseph, McIndoe, J.S.   +3 more
core  

ESI-MS spectra of 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones [PDF]

Journal of the Serbian Chemical Society, 2009
Twelve 3-cyano-4-(substituted phenyl)-6-phenyl-2(1H)-pyridinones were investigated by tandem mass spectrometry using positive as well as negative electrospray ionization.
BRATISLAV Ž. JOVANOVIĆ, MILA D. LAUŠEVIĆ, TATJANA M. VASILJEVIĆ, ALEKSANDAR D. MARINKOVIĆ   +3 more
doaj  

Applications of Laser Desorption and Electrospray Ionization Mass Spectrometry at the Transition between Clusters and Colloids

, 2016
Applications of Laser Desorption and Electrospray Ionization Mass Spectrometry at the Transition between Clusters and ...
Brian F. G. Johnson (2710843), J. Scott McIndoe (1554292), Patrick R. R. Langridge-Smith (1728484), Paul J. Dyson (103515)   +3 more
core   +1 more source