Basic principle from electrospray ionization to soft ionization mass spectrometry and development of ion source:part Ⅰ [PDF]
Since the electrospray phenomenon was discovered, there is still an unsolved mystery about the prinple of generating charged analyte in the soft ionization phenomenon which represented by ESI.
jiehong, luo
core +1 more source
Mass spectrometry imaging is a powerful tool to analyze a large number of metabolites with their spatial coordinates collected throughout the sample. However, the significant differences in ionization efficiency pose a big challenge to metabolomic mass ...
Ying Xi, David C. Muddiman
doaj +1 more source
Efficiency of nano-electrospray ionization [PDF]
The efficiency of nano-electrospray ionization, defined as the flux of ions reaching the detector of a triple-quadrupole mass spectrometer divided by the flux of analyte ions leaving the needle, has been measured in a series of controlled experiments with dodecyltrimethyl ammonium (DDTMA) bromide, myoglobin, Glu- [1]-fibrinopeptide, and gramicidin S ...
El-Faramawy, Ayman +2 more
openaire +2 more sources
Research Progress of Highly Selective Solid Substrate Electrospray Ionization Sources for Mass Spectrometry [PDF]
Solid substrate electrospray mass spectrometry is an ambient mass spectrometry method that involves carrying, ionization and detection of the samples. This approach has a wide range of applications, and which is appropriate for rapid mass spectrometric ...
ZHANG Feng;MU Guo-dong;LIU Tong
doaj
Development and Performance Test of Enclosed Extractive Electrospray Ionization Device [PDF]
Extractive electrospray ionization (EESI) technology has the advantages of directly ionizing the target molecules in the samples without complex sample pretreatments, and it is widely used for analysis of complex matrix samples, especially for aerosol ...
DONG Xiao-feng1 +4 more
doaj +1 more source
Implementation of a MS/MS database for isoquinoline alkaloids and other annonaceous metabolites
Measurement(s) electrospray ionization Technology Type(s) Ultra High-performance Liquid Chromatography • Tandem Mass ...
Salemon Akpa Agnès +12 more
doaj +1 more source
Liquid Chromatography-High Resolution Mass Spectrometry (LC-HRMS) based lipidomics has become the most versatile analytical tool to discover and detect lipids using a non-targeted approach.
Carolina Gonzalez-Riano +2 more
doaj +1 more source
Desorption Electrospray Ionization (DESI) Mass Spectrometric Imaging of the Distribution of Rohitukine in the Seedling of Dysoxylum binectariferum Hook. F. [PDF]
Ambient ionization mass spectrometric imaging of all parts of the seedling of Dysoxylum binectariferum Hook. f (Meliaceae) was performed to reconstruct the molecular distribution of rohitukine (Rh) and related compounds.
Patel Mohana Kumara +5 more
doaj +1 more source
Relative affinity constants by electrospray ionization and Fourier transform ion cyclotron resonance mass spectrometry: calmodulin binding to peptide analogs of myosin light chain kinase [PDF]
Synthetic RS20 peptide and a set of its point-mutated peptide analogs have been used to analyze the interactions between calmodulin (CaM) and the CaM-binding sequence of smooth-muscle myosin light chain kinase both in the presence and the absence of Ca2+.
Lafitte, Daniel +3 more
core +1 more source
Conducting and Characterizing Femto Flow Electrospray Ionization [PDF]
Femto flow electrospray ionization (ESI) ranging from 240 fL/min to low pico flow (< 10 pL/min) was conducted and measured using submicron emitter tip and relay ESI configuration. Signature analyte ion intensities and profiles were obtained.
Nicholas, Allen +3 more
core +1 more source

