Results 21 to 30 of about 260,257 (350)

Shotgun lipidomics of cardiolipin molecular species in lipid extracts of biological samples

open access: yesJournal of Lipid Research, 2006
Cardiolipin is a prominent component of the mitochondrial inner membranes contributing to the regulation of multiple discrete mitochondrial functions. Here, we extend shotgun lipidomics to identify and quantitate cardiolipin molecular species directly ...
Xianlin Han   +4 more
doaj   +1 more source

Model mass spectrometric study of competitive interactions of antimicrobial bisquaternary ammonium drugs and aspirin with membrane phospholipids [PDF]

open access: yes, 2013
The aim of the study is to reveal molecular mechanisms of possible activity modulation of antimicrobial bis-quaternary ammonium compounds (BQAC) and aspirin (ASP) through noncovalent competitive complexation under their combined introduction into the ...
Gömöry, Ágnes   +3 more
core   +2 more sources

Applications of Direct Injection Soft Chemical Ionisation-Mass Spectrometry for the Detection of Pre-blast Smokeless Powder Organic Additives [PDF]

open access: yes, 2019
Analysis of smokeless powders is of interest from forensics and security perspectives. This article reports the detection of smokeless powder organic additives (in their pre-detonation condition), namely the stabiliser diphenylamine and its derivatives 2-
A Jordan   +45 more
core   +2 more sources

Absolute protein quantitation of the mouse macrophage Toll-like receptor and chemotaxis pathways

open access: yesScientific Data, 2022
Measurement(s) molecules per cell Technology Type(s) nanoflow high-performance liquid chromatography-electrospray ionisation tandem mass spectrometry Sample Characteristic - Organism Mus ...
Nathan P. Manes   +6 more
doaj   +1 more source

The application of mass spectrometry imaging in traditional Chinese medicine: a review

open access: yesChinese Medicine, 2022
Mass spectrometry imaging is a frontier technique which connects classical mass spectrometry with ion imaging. Various types of chemicals could be visualized in their native tissues using mass spectrometry imaging.
Lieyan Huang   +7 more
doaj   +1 more source

Degrees of freedom effect on fragmentation in tandem mass spectrometry of singly charged supramolecular aggregates of sodium sulfonates [PDF]

open access: yes, 2013
The characteristic collision energy (CCE) to obtain 50% fragmentation of positively and negatively single charged non-covalent clusters has been measured.
Bongiorno, David   +7 more
core   +2 more sources

Seminolipid and its precursor/degradative product, galactosylalkylacylglycerol, in the testis of saposin A- and prosaposin-deficient mice

open access: yesJournal of Lipid Research, 2003
Sphingolipid activator proteins (saposins A, B, C, and D) are derived from a common precursor protein (prosaposin) and specifically activate in vivo degradation of glycolipids with short carbohydrate chains.
Keiko Tadano-Aritomi   +4 more
doaj   +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

Betalains and phenolic compounds of leaves and stems of Alternanthera brasiliana and Alternanthera tenella [PDF]

open access: yes, 2018
Betacyanins and phenolic compounds from acetonitrile:acidified water extracts of Alternanthera brasiliana and Alternanthera tenella were characterized and quantified using a high-performance liquid chromatography system coupled with diode array and ...
Alvarez, I.   +5 more
core   +1 more source

Newborn Sickle Cell Disease Screening Using Electrospray Tandem Mass Spectrometry

open access: yesInternational Journal of Neonatal Screening, 2018
There is a growing demand for newborn sickle cell disease screening globally. Historically techniques have relied on the separation of intact haemoglobin tetramers using electrophoretic or liquid chromatography techniques.
Yvonne Daniel, Charles Turner
doaj   +1 more source

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