Results 11 to 20 of about 544,006 (376)

Advances in MALDI Mass Spectrometry Imaging Single Cell and Tissues

open access: yesFrontiers in Chemistry, 2022
Compared with conventional optical microscopy techniques, mass spectrometry imaging (MSI) or imaging mass spectrometry (IMS) is a powerful, label-free analytical technique, which can sensitively and simultaneously detect, quantify, and map hundreds of ...
Xiaoping Zhu   +6 more
doaj   +2 more sources

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

open access: yesNature Communications, 2020
Myo-Inositol phosphates (InsPs) and pyrophosphates (PP-InsPs) are important second messengers but their analysis remains challenging. Here, the authors develop a capillary electrophoresis-mass spectrometry method for the identification and quantitation ...
Danye Qiu   +14 more
doaj   +2 more sources

Applications of Tandem Mass Spectrometry (MS/MS) in Protein Analysis for Biomedical Research

open access: yesMolecules, 2022
Mass Spectrometry (MS) allows the analysis of proteins and peptides through a variety of methods, such as Electrospray Ionization-Mass Spectrometry (ESI-MS) or Matrix-Assisted Laser Desorption Ionization-Mass Spectrometry (MALDI-MS).
Anca-Narcisa Neagu   +5 more
doaj   +2 more sources

Recent Applications of Ambient Ionization Mass Spectrometry for Environmental Pollutant Detection [PDF]

open access: yesZhipu Xuebao, 2023
Along with the industrial development and human society progress, large number of pollutants have been discharged to induce the environmental pollution, which have attracted global attentions.
QIN Jing-yi, OUYANG Jin, NA Na
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
ConspectusMass 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

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

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  

Desorption Electrospray Ionization (DESI) Mass Spectrometric Imaging of the Distribution of Rohitukine in the Seedling of Dysoxylum binectariferum Hook. F. [PDF]

open access: yesPLoS ONE, 2016
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

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