Results 31 to 40 of about 157,015 (313)

CHEMICAL STRUCTURE IDENTIFICATION IN METABOLOMICS: COMPUTATIONAL MODELING OF EXPERIMENTAL FEATURES

open access: yesComputational and Structural Biotechnology Journal, 2013
The identification of compounds in complex mixtures remains challenging despite recent advances in analytical techniques. At present, no single method can detect and quantify the vast array of compounds that might be of potential interest in metabolomics
Lochana C. Menikarachchi   +3 more
doaj   +3 more sources

Screening of Charge Carrier Migration in the MgSc2Se4 Spinel Structure

open access: yesFrontiers in Energy Research, 2020
Periodic density functional theory calculations have been performed to study the migration of various charge carriers in spinel‐type MgSc2Se4.
Manuel Dillenz   +4 more
doaj   +1 more source

Perspective on Developments in Ion Mobility Spectrometry-Mass Spectrometry Combined with Ion Spectroscopy [PDF]

open access: yesZhipu Xuebao, 2022
Combined with mass spectrometry, ion spectroscopy can obtain a spectrum of the target ion by measuring its intensity change, which is induced by laser strength and wavelength.
WANG Na1   +5 more
doaj   +1 more source

Charge Inversion Ion/Ion Reactions for Separations of Isomers by Ion Mobility/Mass Spectrometry: Oligosaccharides

open access: yes, 2023
Various ion mobility-based separation techniques and instruments have been recently developed to increase the operational resolution of ion mobility separations, especially of isomers and isobars. In addition to developments in instrumentation, different
Ian, Webb, Ankita, Gurav
core   +1 more source

Effective Ion Mobility and Long‐Term Dark Current of Metal Halide Perovskites with Different Crystallinities and Compositions

open access: yesAdvanced Photonics Research, 2022
Ion transport properties in metal halide perovskite still constitute a subject of intense research because of the evident connection between mobile defects and device performance and operation degradation.
Marisé García-Batlle   +5 more
doaj   +1 more source

Detection of Reaction Intermediates in Suzuki-Miyaura by Electrospray Ionization Ion Mobility Mass Spectrometry [PDF]

open access: yesZhipu Xuebao
Mass spectrometry is one of the most extensive scientific analysis techniques, which plays an important role in analysis and research of biology, pharmaceutical, chemical industry, new materials and so on.
LI Zhe1   +4 more
doaj   +1 more source

Protein Secondary Structure Affects Glycan Clustering in Native Mass Spectrometry

open access: yesLife, 2021
Infection by the human noroviruses (hNoV), for the vast majority of strains, requires attachment of the viral capsid to histo blood group antigens (HBGAs).
Hao Yan   +8 more
doaj   +1 more source

Study on the Influence of Temperature, Moisture and Electric Field on the Electrical Conductivity of Oil-Impregnated Pressboard

open access: yesEnergies, 2019
The main insulation of converter transformers consists of transformer oil and oil-impregnated pressboard. Under operating conditions, the valve-side winding of the converter transformer is subject to DC voltage components.
Yuan Li   +5 more
doaj   +1 more source

High-resolution separation of bioisomers using ion cloud profiling

open access: yesNature Communications, 2023
Ion mobility is used in mass spectrometers for structure analysis of biomolecules. Here, the authors show that ion mobility analysis in an ion trap under ultra-high fields enables isomer separation at resolutions over 10,000, wich they demonstrate for ...
Xiaoyu Zhou   +3 more
doaj   +1 more source

Ion Mobility–Mass Spectrometry for Bioanalysis

open access: yesSeparations, 2021
This paper aims to cover the main strategies based on ion mobility spectrometry (IMS) for the analysis of biological samples. The determination of endogenous and exogenous compounds in such samples is important for the understanding of the health status ...
Xavier Garcia   +4 more
doaj   +1 more source

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