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Comparison of Mass Spectrometry Imaging by Desorption Electrospray Ionization (DESI) and Desorption Electro-Flow Focusing Ionization (DEFFI) [PDF]

open access: yesMetabolites
Background: Among atmospheric-pressure mass spectrometry imaging (MSI) methods, desorption electrospray ionization (DESI) and desorption electro-flow focusing ionization (DEFFI) represent cost-effective, high-throughput approaches that utilize ...
Yunshuo Tian   +3 more
doaj   +2 more sources

pH Effects on Electrospray Ionization Efficiency

open access: yesJournal of the American Society for Mass Spectrometry, 2017
Jaanus Liigand, Anneli Kruve
exaly   +2 more sources

A:Recent advances in ambient electrospray ionization technologies [PDF]

open access: yesRecords of Pharmaceutical & Biomedical Sciences, 2020
Mass spectrometry is one of the most powerful techniques for detection and identification. Due to its sensitivity and selectivity, exact mass of analytes, and in effect, their relative fragments, allow for total structure information.
Sara Amer   +6 more
doaj   +1 more source

Extractive electrospray ionization mass spectrometry for analytical evaluation and synthetic preparation of pharmaceutical chemicals

open access: yesFrontiers in Pharmacology, 2023
Extraction electrospray ionization mass spectrometry (EESI-MS), due to the unique configuration of its ionization module, enables the effective ionization of trace molecules of interest in samples containing complex matrices with high sensitivity, high ...
Manman Qin   +9 more
doaj   +1 more source

Desorption Electrospray Ionization Mass Spectrometry: 20 Years

open access: yesAccounts of Chemical Research, 2023
CONSPECTUS: Mass spectrometry (MS) is one of the most widely used technologies in the chemical sciences. With applications spanning the monitoring of reaction products, the identification of disease biomarkers, and the measurement of thermodynamic ...
Nicolás M. Morato, R. Cooks
semanticscholar   +1 more source

Enhancing Metabolomic Coverage in Positive Ionization Mode Using Dicationic Reagents by Infrared Matrix-Assisted Laser Desorption Electrospray Ionization

open access: yesMetabolites, 2021
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

Analysis of inositol phosphate metabolism by capillary electrophoresis electrospray ionization mass spectrometry

open access: yesNature Communications, 2020
The analysis of myo-inositol phosphates (InsPs) and myo-inositol pyrophosphates (PP-InsPs) is a daunting challenge due to the large number of possible isomers, the absence of a chromophore, the high charge density, the low abundance, and the instability ...
Danye Qiu   +14 more
semanticscholar   +1 more source

Research Progress of Highly Selective Solid Substrate Electrospray Ionization Sources for Mass Spectrometry [PDF]

open access: yesZhipu Xuebao, 2022
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]

open access: yesZhipu Xuebao, 2023
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

open access: yesScientific Data, 2022
Measurement(s) electrospray ionization Technology Type(s) Ultra High-performance Liquid Chromatography • Tandem Mass ...
Salemon Akpa Agnès   +12 more
doaj   +1 more source

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