Search Results - "Fjeldsted, John C"
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An Interlaboratory Evaluation of Drift Tube Ion Mobility–Mass Spectrometry Collision Cross Section Measurements
Published in Analytical chemistry (Washington) (05-09-2017)“…Collision cross section (CCS) measurements resulting from ion mobility–mass spectrometry (IM-MS) experiments provide a promising orthogonal dimension of…”
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Recommendations for reporting ion mobility Mass Spectrometry measurements
Published in Mass spectrometry reviews (01-05-2019)“…Here we present a guide to ion mobility mass spectrometry experiments, which covers both linear and nonlinear methods: what is measured, how the measurements…”
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Broadscale resolving power performance of a high precision uniform field ion mobility-mass spectrometer
Published in Analyst (London) (21-10-2015)“…An extensive study of two current ion mobility resolving power theories ("conditional" and "semi-empirical") was undertaken using a recently developed drift…”
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Resolution of Isomeric Mixtures in Ion Mobility Using a Combined Demultiplexing and Peak Deconvolution Technique
Published in Analytical chemistry (Washington) (21-07-2020)“…A combined data acquisition and data processing strategy for improving the sensitivity and resolution of ion mobility measurements is described. This strategy…”
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Separation of phosphorothioated oligonucleotide diastereomers using multiplexed drift tube ion mobility mass spectrometry
Published in Analytica chimica acta (25-01-2022)“…Hydrophilic interaction liquid chromatography (HILIC) coupled to drift tube ion mobility spectrometry (DTIMS) was used to separate diastereomers of five-unit…”
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Enhanced ion mobility resolution of Abeta isomers from human brain using high-resolution demultiplexing software
Published in Analytical and bioanalytical chemistry (01-07-2022)“…Isomerization of aspartic acid (Asp) residues in long-lived proteins is a key feature associated with neurodegenerative proteinopathies such as Alzheimer’s…”
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Conformational Ordering of Biomolecules in the Gas Phase: Nitrogen Collision Cross Sections Measured on a Prototype High Resolution Drift Tube Ion Mobility-Mass Spectrometer
Published in Analytical chemistry (Washington) (18-02-2014)“…Ion mobility-mass spectrometry measurements which describe the gas-phase scaling of molecular size and mass are of both fundamental and pragmatic utility…”
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Enhanced Collision Induced Unfolding and Electron Capture Dissociation of Native-like Protein Ions
Published in Analytical chemistry (Washington) (01-12-2020)“…Native ion mobility-mass spectrometry (IM-MS) is capable of revealing much that remains unknown within the structural proteome, promising such information on…”
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A Preprocessing Tool for Enhanced Ion Mobility–Mass Spectrometry-Based Omics Workflows
Published in Journal of proteome research (04-03-2022)“…The ability to improve the data quality of ion mobility–mass spectrometry (IM-MS) measurements is of great importance for enabling modular and efficient…”
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A Modified Drift Tube Ion Mobility-Mass Spectrometer for Charge-Multiplexed Collision-Induced Unfolding
Published in Analytical chemistry (Washington) (02-07-2019)“…Collision-induced unfolding (CIU) of protein ions and their noncovalent complexes offers relatively rapid access to a rich portfolio of biophysical…”
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Collision-Induced Unfolding Reveals Stability Differences in Infliximab Therapeutics under Native and Heat Stress Conditions
Published in Analytical chemistry (Washington) (07-12-2021)“…Ion mobility-mass spectrometry (IM-MS) and collision-induced unfolding (CIU) assays of monoclonal antibody (mAb)-based biotherapeutics have proven sensitive to…”
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Effect of Sampling Rate and Data Pretreatment for Targeted and Nontargeted Analysis by Means of Liquid Chromatography Coupled to Drift Time Ion Mobility Quadruple Time-of-Flight Mass Spectrometry
Published in Journal of the American Society for Mass Spectrometry (06-10-2021)“…Ion mobility as an additional separation dimension can help to resolve and annotate metabolite and lipid biomarkers and provides important information about…”
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Performance evaluation of in-source ion activation hardware for collision-induced unfolding of proteins and protein complexes on a drift tube ion mobility-mass spectrometer
Published in Analyst (London) (16-01-2023)“…Native ion mobility-mass spectrometry (IM-MS) has emerged as an information-rich technique for gas phase protein structure characterization; however, IM…”
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Exploring Ion Mobility Mass Spectrometry Data File Conversions to Leverage Existing Tools and Enable New Workflows
Published in Journal of the American Society for Mass Spectrometry (07-08-2024)“…Ion mobility (IM) is often combined with LC-MS experiments to provide an additional dimension of separation for complex sample analysis. While highly complex…”
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AutoCCS: automated collision cross-section calculation software for ion mobility spectrometry–mass spectrometry
Published in Bioinformatics (Oxford, England) (18-11-2021)“…Abstract Motivation Ion mobility spectrometry (IMS) separations are increasingly used in conjunction with mass spectrometry (MS) for separation and…”
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Quasi‐continuous infrared matrix‐assisted laser desorption electrospray ionization source coupled to a quadrupole time‐of‐flight mass spectrometer for direct analysis from well plates
Published in Journal of mass spectrometry. (01-01-2023)“…High‐throughput screening (HTS) is a technique mostly used by pharmaceutical companies to rapidly screen multiple libraries of compounds to find drug hits with…”
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Instrumental aspects of capillary supercritical fluid chromatography
Published in Analytical chemistry (Washington) (01-06-1982)Get full text
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Quasi-Continuous IR-MALDESI Source Coupled to a Q-TOF Mass Spectrometer for Direct Analysis from Well Plates
Published in Journal of mass spectrometry. (01-01-2023)“…High-throughput screening (HTS) is a technique mostly used by pharmaceutical companies to rapidly screen multiple libraries of compounds to find drug hits with…”
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Capillary Supercritical Fluid Chromatography
Published in Analytical chemistry (Washington) (01-03-1981)Get full text
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AutoCCS: automated collision cross-section calculation software for ion mobility spectrometry–mass spectrometry
Published in Bioinformatics (Oxford, England) (19-06-2021)“…Abstract Motivation Ion mobility spectrometry (IMS) separations are increasingly used in conjunction with mass spectrometry (MS) for separation and…”
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