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Enhanced efficiency of MS/MS all-ion fragmentation for non-targeted analysis of trace contaminants in surface water using multivariate curve resolution and data fusion
Data-independent acquisition–all-ion fragmentation (DIA-AIF) mode of mass spectrometry can facilitate wide-scope non-target analysis of contaminants...
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Fragmentation of Adenine Molecules Upon Interaction with Ions
AbstractThe mechanism of the fragmentation processes of adenine ions (Ade, C 5 H 5 N 5 ) occurring during the interaction of molecules in the gas phase...
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Variable fragmentation and ionization of amyloid-beta epimers and isomers
While the existence of D -amino acids in peptides and proteins has recently been accepted in higher forms of life, their roles and importance are yet...
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An Improved Fragmentation Modeling of Aminoacids Under Ionizing Radiation. I. L-Threonine
This work resulted from our observations on the effect of ionizing radiationIonizing radiation on amino acids that was widely debated and interpreted...
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Fragmentation of Doubly-Charged Negative Ions of Dicarboxylic Acids under Collision-Induced Dissociation Conditions
AbstractThe conditions for recording electrospray ionization mass spectra of dicarboxylic acids are selected to ensure the generation of...
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High-resolution ion mobility based on traveling wave structures for lossless ion manipulation resolves hidden lipid features
High-resolution ion mobility (resolving power > 200) coupled with mass spectrometry (MS) is a powerful analytical tool for resolving isobars and...
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Single ion mobility monitoring (SIM2) stitching method for high-throughput and high ion mobility resolution chiral analysis
Chiral analysis is of high interest in many fields such as chemistry, pharmaceuticals and metabolomics. Mass spectrometry and ion mobility...
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Discrimination of leucine and isoleucine via fragmentation by electromagnetic field
ContextWe conduct comparative numerical studies of the effects of electric dipole field and electromagnetic radiation field on the amino acids...
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Molecular ion formation on activated field emitters in atmospheric pressure field desorption mass spectrometry
Atmospheric pressure field desorption (APFD) mass spectrometry (MS) has recently been explored as a new contribution to the field of ambient...
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Chloride ion batteries-excellent candidates for new energy storage batteries following lithium-ion batteries
Because of the safety issues of lithium ion batteries (LIBs) and considering the cost, they are unable to meet the growing demand for energy storage....
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Fragmentation route of doubly ionized benzene, aniline, and nitroanilines monomers using a novel protocol from density functional theory and QTAIM
The possibility of finding the fragmentation routes by theoretical methods led us to compare the molecular ions between neutral molecules of benzene,...
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Tailored extraction and ion mobility-mass spectrometry enables isotopologue analysis of tetrahydrofolate vitamers
Climate change directs the focus in biotechnology increasingly on one-carbon metabolism for fixation of CO 2 and CO 2 -derived chemicals (e.g. methanol,...
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Cryogenic infrared spectroscopy provides mechanistic insight into the fragmentation of phospholipid silver adducts
Tandem mass spectrometry is arguably the most important analytical tool for structure elucidation of lipids and other metabolites. By fragmenting...
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Gas-phase fragmentation of single heteroatom-incorporated Co5MS8(PEt3)6+ (M = Mn, Fe, Co, Ni) nanoclusters
Functionalization of metal-chalcogenide clusters by either replacing core atoms or by tuning the ligand is a powerful technique to tailor their...
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Complementary methods for structural assignment of isomeric candidate structures in non-target liquid chromatography ion mobility high-resolution mass spectrometric analysis
Non-target screening with LC/IMS/HRMS is increasingly employed for detecting and identifying the structure of potentially hazardous chemicals in the...
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Progress in Targeted Mass Spectrometry (Parallel Accumulation-Serial Fragmentation) and Its Application in Plasma/Serum Proteomics
Targeted mass spectrometry using multiple reaction monitoring (MRM) or parallel reaction monitoring (PRM) has been commonly used for protein...
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Improved analysis of derivatized steroid hormone isomers using ion mobility-mass spectrometry (IM-MS)
Over the last decade, applications of ion mobility-mass spectrometry (IM-MS) have exploded due primarily to the widespread commercialization of...
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Preparation of Novel Restricted Access Material-Surface Molecularly Imprinted Polymers via Reversible Addition-Fragmentation Chain Transfer Polymerization for 17β-Estradiol Determination in Milk Powder
AbstractNovel surface molecularly imprinted polymers ( MIPs ) combined to restricted access materials ( RAMs ) were prepared by reversible...
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