Monitoring the Light‐induced Isomerisation of the Prototypical Polycyclic Aromatic Hydrocarbons C10H8 + through Ion‐Molecule Reactions
Sign Up to like & getrecommendations! Published in 2022 at "Chemphyschem"
DOI: 10.1002/cphc.202200474
Abstract: Abstract Structural rearrangements in ions are essential for understanding the composition and evolution of energetic and chemically active environments. This study explores the interconversion routes for simple polycyclic aromatic hydrocarbons, namely naphthalene and azulene radical… read more here.
Keywords: polycyclic aromatic; aromatic hydrocarbons; molecule reactions; ion molecule ... See more keywords
Investigating reduced metal species via sequential ion/ion and ion/molecule reactions: The reactions of transition metal phenanthrolines with allyl iodide
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2016.11.018
Abstract: Abstract Sequential ion/ion and ion/molecule reactions are demonstrated in a linear ion trap mass spectrometer and are used to probe the reactivity of metal complexes in unusual ionization states. Taking advantage of the instrument’s electron… read more here.
Keywords: molecule reactions; iodide; ion; ion molecule ... See more keywords
Ion mobility studies on the negative ion-molecule chemistry of pentachloroethane
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mass Spectrometry"
DOI: 10.1016/j.ijms.2017.04.011
Abstract: Abstract In this study we present an investigation of the negative ion-molecule chemistry of pentachloroethane (PCE) in air based ion mobility spectrometry and ion mobility spectrometry–mass spectrometry systems. The observed product ions are Cl −… read more here.
Keywords: chemistry; ion mobility; ion; ion molecule ... See more keywords
Accelerating Ozonolysis Reactions Using Supplemental RF-Activation of Ions in a Linear Ion Trap Mass Spectrometer.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.1c04915
Abstract: Gas-phase ion-molecule reactions provide structural insights across a range of analytical applications. A hindrance to the wider use of ion-molecule reactions is that they are relatively slow compared to other ion activation modalities and can… read more here.
Keywords: activation; ion molecule; linear ion; ion trap ... See more keywords
A Diagnostic Nitrosamine Detection Approach for Pharmaceuticals by Using Tandem Mass Spectrometry Based on Diagnostic Gas-Phase Ion-Molecule Reactions.
Sign Up to like & getrecommendations! Published in 2022 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.2c02282
Abstract: N-Nitrosamines are strictly regulated in pharmaceutical products due to their carcinogenic nature. Therefore, the ability to rapidly and reliably identify the N-nitroso functionality is urgently needed. Unfortunately, not all ionized N-nitroso compounds produce diagnostic fragment… read more here.
Keywords: molecule reactions; ion molecule; nitroso functionality; mass ... See more keywords
Differentiating Isomeric Deprotonated Glucuronide Drug Metabolites via Ion/Molecule Reactions in Tandem Mass Spectrometry.
Sign Up to like & getrecommendations! Published in 2018 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.8b02083
Abstract: Isomeric O- and N-glucuronides are common drug metabolites produced in phase II of drug metabolism. Distinguishing these isomers by using common analytical techniques has proven challenging. A tandem mass spectrometric method based on gas-phase ion/molecule… read more here.
Keywords: drug metabolites; drug; ion; ion molecule ... See more keywords
Modification of a Quadrupole/Orbitrap/Linear Quadrupole Ion Trap Tribrid Mass Spectrometer for Diagnostic Gas-Phase Ion-Molecule Reactions.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Society for Mass Spectrometry"
DOI: 10.1021/jasms.2c00313
Abstract: Tandem mass spectrometry based on diagnostic gas-phase ion-molecule reactions represents a robust method for functional group identification in unknown compounds. To date, most of these reactions have been studied using unit-resolution instruments, such as linear… read more here.
Keywords: gas phase; molecule reactions; ion molecule; mass ... See more keywords
Differentiating Toxic and Nontoxic Tricresyl Phosphate Isomers Using Ion-Molecule Reactions with Oxygen.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of the American Society for Mass Spectrometry"
DOI: 10.1021/jasms.2c00334
Abstract: Ortho-substituted isomers of tricresyl phosphates (TCPs) and their toxic metabolites (e.g., CBDP: cresyl saligenin phosphate) can cause neurotoxic effects in humans. When TCP is introduced to an atmospheric pressure chemical ionization source using gas chromatography,… read more here.
Keywords: phosphate; molecule reactions; ion molecule; ion ... See more keywords
Hollow Cathode Discharge Ionization Mass Spectrometry: Detection, Quantification and Gas Phase Ion-Molecule Reactions of Explosives and Related Compounds.
Sign Up to like & getrecommendations! Published in 2022 at "Critical reviews in analytical chemistry"
DOI: 10.1080/10408347.2022.2067467
Abstract: Mass spectrometry (MS) has become an essential analytical method in every sector of science and technology. Because of its unique ability to provide direct molecular structure information on analytes, an extra method is rarely required.… read more here.
Keywords: gas; ion; molecule reactions; ion molecule ... See more keywords
Cold Ion-Molecule Chemistry: The Very Different Reactions of He+ with CO and NO
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DOI: 10.2533/chimia.2023.221
Abstract: The ion-molecule reactions He+ + CO → He + C+ + O and He+ + NO → He + N+ + O have been measured at collision energies between 0 and kB · 10 K.… read more here.
Keywords: ion molecule; cold ion; chemistry; molecule chemistry ... See more keywords