Articles with "ion mobility" as a keyword



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Examination of Organic Vapor Adsorption onto Alkali Metal and Halide Atomic Ions by using Ion Mobility Mass Spectrometry

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Published in 2017 at "Chemphyschem"

DOI: 10.1002/cphc.201700747

Abstract: Abstract We utilize ion mobility mass spectrometry with an atmospheric pressure differential mobility analyzer coupled to a time‐of‐flight mass spectrometer (DMA‐MS) to examine the formation of ion‐vapor molecule complexes with seed ions of K+, Rb+,… read more here.

Keywords: seed; mobility; mass; vapor ... See more keywords
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Ion mobility spectrometry as a fast screening tool for synthetic cannabinoids to uncover drug trafficking in jail via herbal mixtures, paper, food, and cosmetics.

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Published in 2019 at "Drug testing and analysis"

DOI: 10.1002/dta.2565

Abstract: The greatest challenge for European drug policies is how to effectively respond to the dynamic and constantly changing market for new psychoactive substances (NPS). Even small modifications in the chemical structure of substances often allow… read more here.

Keywords: synthetic cannabinoids; drug; ion mobility; mobility spectrometry ... See more keywords
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Non-contact Detection of Fentanyl by a Field-portable Ion Mobility Spectrometer.

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Published in 2022 at "Drug testing and analysis"

DOI: 10.1002/dta.3272

Abstract: Rapid on-site detection of fentanyl is paramount for the safety of law enforcement and other first responders. Due to the opioid epidemic, death by overdose is at an all-time high with fentanyl adulteration as the… read more here.

Keywords: detection fentanyl; detection; ion mobility; non contact ... See more keywords
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Coupling of capillary electrophoresis with electrospray ionization multiplexing ion mobility spectrometry

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Published in 2019 at "ELECTROPHORESIS"

DOI: 10.1002/elps.201800462

Abstract: In this work, ion mobility spectrometry (IMS) function as a detector and another dimension of separation was coupled with CE to achieve two‐dimensional separation. To improve the performance of hyphenated CE‐IMS instrument, electrospray ionization correlation… read more here.

Keywords: electrophoresis; ion mobility; mobility spectrometry; ion ... See more keywords
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Adding a new separation dimension to MS and LC-MS: What is the utility of ion mobility spectrometry?

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Published in 2018 at "Journal of separation science"

DOI: 10.1002/jssc.201700919

Abstract: Ion mobility spectrometry is an analytical technique known for more than 100 years, which entails separating ions in the gas phase based on their size, shape, and charge. While ion mobility spectrometry alone can be… read more here.

Keywords: ion mobility; mobility spectrometry; spectrometry; mass spectrometry ... See more keywords
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Evaluation and validation of an ion mobility quadrupole time-of-flight mass spectrometry pesticide screening approach.

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Published in 2018 at "Journal of separation science"

DOI: 10.1002/jssc.201701059

Abstract: An ion mobility quadrupole time-of-flight mass spectrometry-based pesticide suspect screening methodology was developed and validated covering 20 plant-derived food matrices deriving from six commodity groups of different complexity according to the actual European Commission document… read more here.

Keywords: ion mobility; spectrometry; mass spectrometry;
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Ultra-fast screening of free fatty acids in human plasma using ion mobility mass spectrometry.

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Published in 2022 at "Journal of separation science"

DOI: 10.1002/jssc.202200037

Abstract: Free fatty acids involved in many metabolic regulations in human body. In this work, an ultra-fast screening method was developed for the analysis of free fatty acids using trapped ion mobility spectrometry coupled with mass… read more here.

Keywords: free fatty; ultra fast; spectrometry; fast screening ... See more keywords
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Determination of trace organic chlorides in hydrogen for fuel cell vehicles by GC coupled with ion mobility spectrometry.

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Published in 2022 at "Journal of separation science"

DOI: 10.1002/jssc.202200156

Abstract: A method for determination of organic chlorides in hydrogen for fuel cell vehicles by GC coupled with ion mobility spectrometry was established. Organic chlorides were separated by a non-polar GC column and detected in the… read more here.

Keywords: fuel cell; organic chlorides; hydrogen fuel; ion mobility ... See more keywords
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Analysis of Thermoplastic Copolymers by Mild Thermal Degradation Coupled to Ion Mobility Mass Spectrometry.

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Published in 2022 at "Macromolecular rapid communications"

DOI: 10.1002/marc.202200306

Abstract: Thermal desorption/degradation with an atmospheric solids analysis probe (ASAP) and ion mobility (IM) separation are coupled with mass spectrometry (MS) analysis and tandem mass spectrometry (MS/MS) fragmentation to characterize thermoplastic elastomers. The compounds investigated, which… read more here.

Keywords: mass spectrometry; analysis; ion mobility; degradation ... See more keywords
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Four‐dimensional proteomics analysis of human cerebrospinal fluid with trapped ion mobility spectrometry using PASEF

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Published in 2023 at "PROTEOMICS"

DOI: 10.1002/pmic.202200507

Abstract: A quadrupole time‐of‐flight mass spectrometer coupled with a trapped ion mobility spectrometry (timsTOF) operated in parallel accumulation‐serial fragmentation (PASEF) mode has recently emerged as a platform capable of providing four‐dimensional (4D) features comprising of elution… read more here.

Keywords: mobility spectrometry; mass; ion mobility; trapped ion ... See more keywords
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Rapid screening methods for yeast sub‐metabolome analysis with a high‐resolution ion mobility quadrupole time‐of‐flight mass spectrometer

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Published in 2019 at "Rapid Communications in Mass Spectrometry"

DOI: 10.1002/rcm.8420

Abstract: Rationale The wide chemical diversity and complex matrices inherent to metabolomics still pose a challenge to current analytical approaches for metabolite screening. Although dedicated front‐end separation techniques combined with high‐resolution mass spectrometry set the benchmark… read more here.

Keywords: high resolution; analysis; mass; time ... See more keywords