Recent advances in petroleum analysis by mass spectrometry
E Niyonsaba, JM Manheim, R Yerabolu… - Analytical …, 2018 - ACS Publications
Chemical characterization of petroleum is a challenging task due to its inherently complex
nature. For example, crude oil is believed to have as many or more compounds than the …
nature. For example, crude oil is believed to have as many or more compounds than the …
Analysis of environmental organic matters by Ultrahigh‐Resolution mass spectrometry—A review on the development of analytical methods
Owing to the increasing environmental and climate changes globally, there is an increasing
interest in the molecular‐level understanding of environmental organic compound mixtures …
interest in the molecular‐level understanding of environmental organic compound mixtures …
Hydrogen/deuterium exchange in mass spectrometry
The isotopic exchange approach is in use since the first observation of such reactions in
1933 by Lewis. This approach allows the investigation of the pathways of chemical and …
1933 by Lewis. This approach allows the investigation of the pathways of chemical and …
Isolation of Crude Oil Peaks Differing by m/z ∼0.1 via Tandem Mass Spectrometry Using a Cyclic Ion Mobility-Mass Spectrometer
Mass spectrometry is widely used in studying the structures of compounds present in crude
oil. In this study, a novel mass spectrometer incorporating a cyclic ion mobility separator was …
oil. In this study, a novel mass spectrometer incorporating a cyclic ion mobility separator was …
Hydrogen/deuterium exchange mass spectrometry in the world of small molecules
A Damont, A Legrand, C Cao… - Mass Spectrometry …, 2023 - Wiley Online Library
The combined use of hydrogen/deuterium exchange (HDX) and mass spectrometry (MS),
referred to as HDX‐MS, is a powerful tool for exploring molecular edifices and has been …
referred to as HDX‐MS, is a powerful tool for exploring molecular edifices and has been …
Elucidating Molecular Structures of Nonalkylated and Short-Chain Alkyl (n < 5, (CH2)n) Aromatic Compounds in Crude Oils by a Combination of Ion Mobility and …
Ultrahigh-resolution mass spectrometry has allowed the determination of elemental formulas
of the compounds comprising crude oils. However, elucidating molecular structures remains …
of the compounds comprising crude oils. However, elucidating molecular structures remains …
Optimization and application of APCI hydrogen–deuterium exchange mass spectrometry (HDX MS) for the speciation of nitrogen compounds
A systematic study was performed to investigate the utility of atmospheric pressure chemical
ionization hydrogen–deuterium exchange mass spectrometry (APCI HDX MS) to identify the …
ionization hydrogen–deuterium exchange mass spectrometry (APCI HDX MS) to identify the …
High desolvation temperature facilitates the ESI-source H/D exchange at non-labile sites of hydroxybenzoic acids and aromatic amino acids
Hydrogen/deuterium exchange coupled with high-resolution mass spectrometry has
become a powerful analytical approach for structural investigations of complex organic …
become a powerful analytical approach for structural investigations of complex organic …
Evaluation of laser desorption ionization coupled to Fourier transform ion cyclotron resonance mass spectrometry to study metalloporphyrin complexes
In this study, the applicability of positive-ion (+) laser desorption ionization (LDI) as an
ionization method for metalloporphyrin complexes was evaluated. The evaluation was …
ionization method for metalloporphyrin complexes was evaluated. The evaluation was …
Development and application of a software tool for the interpretation of organic mixtures' spectra-hydrogen deuterium exchange (STORM-HDX) to interpret APPI HDX …
New software was developed for the assignment of elemental formulae based on high-
resolution mass spectra and subsequent hydrogen/deuterium exchange data. Entire peaks …
resolution mass spectra and subsequent hydrogen/deuterium exchange data. Entire peaks …