Results 301 to 310 of about 776,948 (400)

Study on the Screening of Anti‐Osteoporosis Components in Processed Epimedium‐Based on Spectrum‐Effect Analysis

Chemistry &Biodiversity, EarlyView.
ABSTRACT Epimedium (EP) is a traditional Chinese medicine that has been used to treat osteoporosis for several years, but its mechanism of action is unclear. We used ultrahigh‐performance liquid chromatography coupled with triple–quadrupole mass spectrometry (UPLC–QQQ–MS/MS) to detect the components of raw and processed EP samples.
Jinling Liang, Jia Liu, Weixia Sun, Pan Li, Huaizhu Sun, Wenxuan Cao, Yulin Dai, Tianyang Xu, Peng Yu   +8 more
wiley   +1 more source

Developing Lanthanide-Nitrate Cluster Chemistry toward Rare Earth Separations. [PDF]

Inorg Chem
McCusker TL, Roseborough A, McDonald MA, Jackson SA, Redeker FA, Nyman M, Knope KE.   +6 more
europepmc   +1 more source

Stabilization of Protein Interactions through Electrospray Additives in Negative Ion Mode Native Mass Spectrometry. [PDF]

Anal Chem
Stevens A, Abramsson ML, Agasid MT, Allison TM, Landreh M.   +4 more
europepmc   +1 more source

Dynamic Quadrupole Selection to Associate Precursor Masses with MS/MS Products in Data-Independent Acquisition. [PDF]

J Am Soc Mass Spectrom
Mertz KL, Serrano LR, Sinitcyn P, Coon JJ.   +3 more
europepmc   +1 more source

Isotopologue Ratios Identify ¹³C-Depleted Biomarkers in Environmental Samples Impacted by Methane Turnover. [PDF]

Rapid Commun Mass Spectrom
Groninga J, Lipp J, Song M, Hinrichs KU.
europepmc   +1 more source

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Electrospray mass spectrometry of phospholipids.

Mass Spectrometry Reviews, 2003
Abstract  I. Introduction 332 II. Techniques and Methods 334 A.  Sample Preparation 334 B.  ESI‐MS/MS 336     1.  Glycerophosphocholine (GPCho) Lipids 336     2.  Sphingomyelin 341     3.  Glycerophosphoethanolamine (GPEtn) Lipids 342     4.  Glycerophosphatidic Acid (GPA) Lipids 344     5.
M. Pulfer, R. Murphy
semanticscholar   +4 more sources

Electrospray Mass Spectrometry [PDF]

, 1992
The objective in this chapter is to introduce the principles and methods of electrospray mass spectrometry (ESMS), a relatively new technique for the analysis of complex, polar, and labile molecules. Based on electrospray (ES) ionization at atmospheric pressure of solute species in volatile solvents, ESMS has attracted widespread interest only since ...
M. Mann, S. Shen, J. B. Fenn
openaire   +1 more source

Pulsed Electrospray for Mass Spectrometry

Analytical Chemistry, 2001
Pulsed electrospray has been developed and been reported for the first time. This new technique is based on the principle of pulsed ion sources, combined with the conventional electrospray. The pulsed ion spray was realized by a homemade pulsed HV circuit and was monitored by a digital microscope and an oscilloscope.
Feng Zhou, Liping Bian, Pengyuan Yang, Yu Lu, and Yinlong Guo, Wenqing Shui   +5 more
openaire   +3 more sources