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   Articles with "ion trap" as a keyword



Experimental Observation of the Effects of Translational and Rotational Electrode Misalignment on a Planar Linear Ion Trap Mass Spectrometer

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recommendations! Published in 2018 at "Journal of The American Society for Mass Spectrometry"

DOI: 10.1007/s13361-018-1942-x

Abstract: AbstractThe performance of miniaturized ion trap mass analyzers is limited, in part, by the accuracy with which electrodes can be fabricated and positioned relative to each other. Alignment of plates in a two-plate planar LIT… read more here.

Keywords: misalignment; ion trap; ion; trap mass ... See more keywords

Chemical Mass Shifts in a Digital Linear Ion Trap as Analytical Identity of o-, m-, and p-Xylene

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recommendations! Published in 2018 at "Journal of The American Society for Mass Spectrometry"

DOI: 10.1007/s13361-018-1963-5

Abstract: AbstractChemical mass shifts between isomeric ions of o-, m-, and p-xylene were measured using a digital linear ion trap, and the directions and values of the shifts were found to be correlated to the collision… read more here.

Keywords: mass shifts; ion trap; mass; chemical mass ... See more keywords

Performance Investigation of Ion Trap with Various Collision Gas and Pressures

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recommendations! Published in 2017 at "Chinese Journal of Analytical Chemistry"

DOI: 10.1016/s1872-2040(17)61007-7

Abstract: Abstract Ion trap performances were investigated based on digital ion trap technology with different collision gases and their pressures. Collision gases of helium ( M = 4 amu), nitrogen ( M = 28 amu) and… read more here.

Keywords: ion trap; mass; gas; collision ... See more keywords

Accelerating Ozonolysis Reactions Using Supplemental RF-Activation of Ions in a Linear Ion Trap Mass Spectrometer.

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recommendations! 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

Evaluating Linear Ion Trap for MS3-Based Multiplexed Single-Cell Proteomics.

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recommendations! Published in 2023 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.2c03739

Abstract: There is a growing demand to develop high-throughput and high-sensitivity mass spectrometry methods for single-cell proteomics. The commonly used isobaric labeling-based multiplexed single-cell proteomics approach suffers from distorted protein quantification due to co-isolated interfering ions… read more here.

Keywords: cell; ms3; single cell; ion trap ... See more keywords

Challenges in Detecting Hydroxyl Radicals Generated in Water Droplets with Mass Spectrometry.

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recommendations! Published in 2025 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.5c00386

Abstract: Water is sprayed into the air using three distinct methods: (1) nanoelectrospray ionization, (2) a vibrating membrane nebulizer, and (3) a pneumatic nebulizer. The resulting droplets are analyzed by three different mass analyzers: (a) a… read more here.

Keywords: mass analyzer; water; ion trap; mass ... See more keywords

Multistage Tandem Mass Spectrometry Using an Electron-Activated Dissociation Device with a Linear Ion Trap and Structural Identification of Cardiolipins.

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recommendations! Published in 2025 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.5c05400

Abstract: We have developed an electron-activated dissociation (EAD) device with product isolation functionality for multistage tandem mass spectrometry (MSn). The EAD portion is a branched magneto-radio frequency ion trap with an electron beam source, and we… read more here.

Keywords: device; ion trap; dissociation; electron activated ... See more keywords

Single Analyzer Neutral Loss Scans in a Linear Quadrupole Ion Trap Using Orthogonal Double Resonance Excitation.

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recommendations! Published in 2017 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.7b01963

Abstract: In this follow-up paper to our previous work on single analyzer precursor ion scans in a linear quadrupole ion trap (Snyder, D. T.; Cooks, R. G. Single analyzer precursor ion scans in a linear quadrupole… read more here.

Keywords: single analyzer; ion trap; neutral loss; scans linear ... See more keywords

Discontinuous Subatmospheric Pressure Interface Reduces the Gas Flow Effects on Miniature CAPI Mass Spectrometer.

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recommendations! Published in 2020 at "Analytical chemistry"

DOI: 10.1021/acs.analchem.9b04824

Abstract: In the range of miniature mass spectrometers, the miniature ion trap mass spectrometer with continuous atmospheric pressure interface (CAPI) shows good performance potential and advantages due to its excellent sensitivity and analysis speed. However, in… read more here.

Keywords: gas flow; ion trap; mass spectrometer; gas ... See more keywords

Bioinspired Construction of Uranium Ion Trap with Abundant Phosphate Functional Groups.

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recommendations! Published in 2021 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.1c04892

Abstract: Highly efficient extraction of radioactive uranium from aqueous solution remains a serious task in the nuclear energy field. To address this, we here create an effective uranium ion trap by using a novel and facile… read more here.

Keywords: pcn 222; abundant phosphate; uranium ion; ion trap ... See more keywords

In Vitro Identification of Potential Metabolites of Plinabulin (NPI 2358) in Hepatic Preparations Using Liquid Chromatography–Ion Trap Mass Spectrometry

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recommendations! Published in 2022 at "ACS Omega"

DOI: 10.1021/acsomega.2c00929

Abstract: Plinabulin (1, NPI2358), a vascular disrupting agent (VDA) molecule, is a synthetic analogue of the natural product phenylahistin (2, NPI 2350), which is isolated from Aspergillus ustus. Evaluation of the in vitro metabolic profile of… read more here.

Keywords: chromatography ion; cells cryopreserved; liquid chromatography; hlms heparg ... See more keywords