Search Results - "ION mobility spectroscopy"

Separation of PS diastereomers in GalNAc-conjugated siRNA—a comparative study of chromatographic and ion mobility mass spectrometry approaches.

Authors: Bill, Mona-Katharina Graglia, Micaela Riley, Jo-Anne et al.

Source: Analytical & Bioanalytical Chemistry. Nov2025, Vol. 417 Issue 28, p6313-6325. 13p.

Subject Terms: *DIASTEREOISOMERS, *ION mobility spectroscopy, *SEPARATION (Technology), *CHROMATOGRAPHIC analysis, *TECHNOLOGICAL complexity, *QUANTITATIVE research, *SMALL interfering RNA, *CHIRALITY

Development of Differential Ion Mobility Spectrometry Based Tandem Devices for Ion Separation Prior to Mass Spectrometry Analysis.

Authors: Zhang, Simin Lui, T.‐Y. Hu, Danna et al.

Source: Rapid Communications in Mass Spectrometry: RCM. 10/15/2025, Vol. 39 Issue 19, p1-9. 9p.

Subject Terms: *ION mobility spectroscopy, *MASS spectrometry, *SEPARATION (Technology), *ANALYTICAL chemistry, *SCIENTIFIC apparatus & instruments, *CARRIER gas

Queuing theory-based predictions of ion mobility shifts via vapor clustering at arbitrary field strength.

Authors: Tamadate, Tomoya Hogan, Christopher J.

Source: Journal of Chemical Physics; 7/14/2025, Vol. 163 Issue 2, p1-14, 14p

Subject Terms: ION mobility, QUEUING theory, ELECTRIC field strength, ION mobility spectroscopy, CONDENSERS (Vapors & gases), IONS, MOLECULAR dynamics, IONIZED gases

Revisiting the structure of [PdAu9(PPh3)8(CN)]²⁺ produced by atmospheric pressure plasma irradiation of [PdAu8(PPh3)8]²⁺ in methanol.

Authors: Imagawa, Takumi Ito, Shun Hennrich, Frank et al.

Source: Journal of Chemical Physics. 7/14/2024, Vol. 161 Issue 2, p1-7. 7p.

Subject Terms: *ATMOSPHERIC pressure plasmas, *ION mobility spectroscopy, *FOURIER transform infrared spectroscopy, *METHANOL, *METAL clusters, *DENSITY functional theory

Absorption and fluorescence spectroscopy of cold proflavine ions isolated in the gas phase.

Authors: Lindkvist, Thomas Toft Kjær, Christina Langeland, Jeppe et al.

Source: Journal of Chemical Physics. 5/14/2024, Vol. 160 Issue 18, p1-8. 8p.

Subject Terms: *ION mobility spectroscopy, *FLUORESCENCE spectroscopy, *TIME-dependent density functional theory, *IONS, *ABSORPTION spectra, *ION traps

Seamless analysis of liquid samples by coupling a thermal desorption chip with ion mobility spectrometry.

Authors: Fechner, Annika Drees, Carolin Vautz, Wolfgang et al.

Source: Analytical & Bioanalytical Chemistry. Sep2025, Vol. 417 Issue 22, p5037-5046. 10p.

Subject Terms: *THERMAL desorption, *ION mobility spectroscopy, *QUANTITATIVE research, *SOLVENT analysis, *STATISTICAL accuracy, *ION sources

Unraveling the thermal decomposition and chemical ionization of methionine using ion mobility spectrometry and computational chemistry.

Authors: Amiri, Mina Vahedpour, Morteza Bahrami, Hamed et al.

Source: Scientific Reports. 9/26/2025, Vol. 15 Issue 1, p1-33. 33p.

Subject Terms: *METHIONINE, *ION mobility spectroscopy, *ORGANIC reaction mechanisms, *DENSITY functional theory, *ANTIOXIDANTS, *COMPUTATIONAL chemistry, *THERMOLYSIS, *CHEMICAL decomposition

Distinguishing isomeric N-methylhistidine peptidoforms by ion mobility mass spectrometry.

Authors: Bilgin, Nurgül Berthias, Francis Ravnsborg, Tina et al.

Source: Chemical Communications. 9/7/2025, Vol. 61 Issue 69, p12940-12943. 4p.

Subject Terms: *ION mobility spectroscopy, *METHYLATION, *PEPTIDES, *METHYL groups, *AMINO acid residues, STEREOISOMERISM

反向离子迁移谱离子门驱动电源研制及应用.

Alternate Title: Development and Application of an Ion Gate Driving Power Supply for Inverse Ion Mobility Spectrometry.

Authors: 黎皖君 罗元江 孔令文 et al.

Source: Journal of Chinese Mass Spectrometry Society. Sep2025, Vol. 46 Issue 5, p554-561. 8p.

Subject Terms: *ION mobility spectroscopy, *ELECTRICAL supplies, *GALVANIC isolation, *SIGNAL detection, *DETECTION algorithms

Improved Annotation of Internal Fragments via Trapped‐Ion Mobility Enhanced Top‐Down Sequencing of Protein Ions.

Authors: Graham, Katherine A. Lawlor, Charles F. Reddy, Rachitha S. et al.

Source: Journal of Mass Spectrometry. Aug2025, Vol. 60 Issue 8, p1-8. 8p.

Subject Terms: *ION mobility spectroscopy, *COLLISION induced dissociation, *BIOINFORMATICS, *MASS spectrometry, *IONS, *PEPTIDES

Reference library for suspect screening of environmental toxicants using ion mobility spectrometry-mass spectrometry.

Authors: Teri, Devin Aly, Noor A. Dodds, James N. et al.

Source: Communications Chemistry. 8/1/2025, Vol. 8 Issue 1, p1-9. 9p.

Subject Terms: *XENOBIOTICS, *ION mobility spectroscopy, *POISONS, *DATABASES, *TOXIC substance exposure, *MASS spectrometry, *HAZARDS

Company/Entity: UNITED States. Environmental Protection Agency

Buffer 4‐Ethylmorpholinium/Acetate: Exploring a New Alternative Buffer for Native Mass Spectrometry.

Authors: Hadavi, Darya Ng, Che Yee Zhao, Yuandi et al.

Source: Rapid Communications in Mass Spectrometry: RCM. 7/30/2025, Vol. 39 Issue 14, p1-10. 10p.

Subject Terms: *ION mobility spectroscopy, *ION mobility, *AMMONIUM acetate, *DENATURATION of proteins, *PROTEIN folding, *LYSOZYMES

Deciphering Branched Galactomannan Structures via Multistage Ion Mobility MS and MSn Fragmentation (Multistage IMSn)

Authors: Benazza, Rania Fanuel, Mathieu Rogniaux, Hélène et al.

Source: Rapid Communications in Mass Spectrometry: RCM. Jul2025, p1. 11p. 5 Illustrations.

Subject Terms: *GALACTOMANNANS, *ION mobility spectroscopy, *STRUCTURAL analysis (Science), *OLIGOSACCHARIDES, *HEMICELLULOSE, *MASS spectrometry, *BIOMATERIALS, *ISOMERISM

Volatile compound profiling and storage-induced flavor dynamics in commercial whole egg powder via GC-IMS.

Authors: Gao, Yuan Lin, Songyi Song, Jiahui et al.

Source: European Food Research & Technology. Jul2025, Vol. 251 Issue 7, p1789-1805. 17p.

Subject Terms: *VOLATILE organic compounds, *ION mobility spectroscopy, *FOOD quality, *POWDERS, *TASTE perception, *DATA analysis, *PRINCIPAL components analysis, *CROP quality

Quality Differences of Longnan Green Tea Based on Physicochemical Parameters and Volatile Organic Compound Profile.

Authors: Liu, Youqiong Zhang, Hongjie Ma, Junyi et al.

Source: Polish Journal of Food & Nutrition Sciences. 2025, Vol. 75 Issue 3, p261-273. 13p.

Subject Terms: *ION mobility spectroscopy, *PRINCIPAL components analysis, *GREEN tea, *VOLATILE organic compounds, *TEA

Recent advances in high‐resolution traveling wave‐based ion mobility separations coupled to mass spectrometry.

Authors: Naylor, Cameron N. Nagy, Gabe

Source: Mass Spectrometry Reviews. Jul/Aug2025, Vol. 44 Issue 4, p581-598. 18p.

Subject Terms: *ION mobility spectroscopy, *MASS spectrometry, *ION mobility, *MULTIOMICS

Structural and Quantitative Analysis of Polyfluoroalkyl Substances (PFASs) and Para-Phenylenediamines (PPDs) by Direct Analysis in Real Time Ion Mobility Mass Spectrometry (DART-IM-MS).

Authors: Bochenek, Calum Edwards, Jack Liu, Zhibo et al.

Source: Molecules. Jul2025, Vol. 30 Issue 13, p2828. 15p.

Subject Terms: *MASS spectrometry, *ION mobility spectroscopy, *POLLUTANTS, *FLUOROALKYL compounds, *ION mobility, *PHENYLENEDIAMINES

Accurate and Rational Collision Cross Section Prediction Using Voxel‐Projected Area and Deep Learning.

Authors: Wang, Jiongyu Liao, Yuxuan Xie, Ting et al.

Source: Journal of Chemometrics. Jul2025, Vol. 39 Issue 7, p1-12. 12p.

Subject Terms: *ION mobility spectroscopy, *DEEP learning, *GRAPH neural networks, *STRUCTURAL analysis (Science), *MOLECULAR collisions, *METABOLOMICS

用于高场非对称波形离子迁移谱的 高压射频方波电源研究.

Alternate Title: Study of a High-voltage RF Square-wave Power Supply for High-field Asymmetric Waveform Ion Mobility Spectrometry.

Authors: 朱辰霄 李 鹏 李灵锋 et al.

Source: Journal of Chinese Mass Spectrometry Society. Jul2025, Vol. 46 Issue 4, p403-412. 10p.

Subject Terms: *ION mobility spectroscopy, *SENSITIVITY analysis, *HIGH voltages, *ATMOSPHERIC pressure, *SEPARATION (Technology), *SQUARE waves

In-depth characterization of acylcarnitines: utilizing nitroxide radical–directed dissociation in tandem mass spectrometry.

Authors: Gao, Xiangyu Zhao, Xue

Source: Analytical & Bioanalytical Chemistry. Jun2025, Vol. 417 Issue 15, p3327-3335. 9p.

Subject Terms: *ION mobility spectroscopy, *TANDEM mass spectrometry, *ANALYTICAL chemistry, *LIFE sciences, *STRUCTURAL isomers, *ISOMERS