Advances in ionisation techniques for mass spectrometry‐based omics research
Sign Up to like & getrecommendations! Published in 2022 at "PROTEOMICS"
DOI: 10.1002/pmic.202100394
Abstract: Omics analysis by mass spectrometry (MS) is a vast field, with proteomics, metabolomics and lipidomics dominating recent research by exploiting biological MS ionisation techniques. Traditional MS ionisation techniques such as electrospray ionisation have limitations in… read more here.
Keywords: mass spectrometry; ionisation techniques; omics research; ionisation ... See more keywords
Detailed chemical analysis of a fully formulated oil using dielectric barrier discharge ionisation–mass spectrometry
Sign Up to like & getrecommendations! Published in 2022 at "Rapid Communications in Mass Spectrometry"
DOI: 10.1002/rcm.9320
Abstract: Rationale Fully formulated oils (FFOs) are integral to automotive lubrication; however, detailed compositional analysis is challenging due to high levels of chemical complexity. In particular, existing mass spectrometric approaches often target particular FFO components, leading… read more here.
Keywords: mass spectrometry; analysis; discharge; ionisation ... See more keywords
Dual-polarity SALDI FT-ICR MS imaging and Kendrick mass defect data filtering for lipid analysis
Sign Up to like & getrecommendations! Published in 2020 at "Analytical and Bioanalytical Chemistry"
DOI: 10.1007/s00216-020-03020-w
Abstract: Lipids are biomolecules of crucial importance involved in critical biological functions. Yet, lipid content determination using mass spectrometry is still challenging due to their rich structural diversity. Preferential ionisation of the different lipid species in… read more here.
Keywords: dual polarity; mass; polarity; ionisation ... See more keywords
Ionisation efficiencies can be predicted in complicated biological matrices: A proof of concept.
Sign Up to like & getrecommendations! Published in 2018 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2018.05.072
Abstract: The importance of metabolites is assessed based on their abundance. Most of the metabolites are at present identified based on ESI/MS measurements and the relative abundance is assessed from the relative peak areas of these… read more here.
Keywords: predicted complicated; ionisation efficiencies; efficiencies predicted; abundance ... See more keywords
Construction and testing of an atmospheric-pressure transmission-mode matrix assisted laser desorption ionisation mass spectrometry imaging ion source with plasma ionisation enhancement.
Sign Up to like & getrecommendations! Published in 2019 at "Analytica chimica acta"
DOI: 10.1016/j.aca.2018.11.003
Abstract: Matrix assisted laser desorption ionisation mass spectrometry (MALDI-MS) at atmospheric pressure (AP) is, with a few notable exceptions, overshadowed by its vacuum based forms and AP transmission mode (TM) MALDI-MS lacks the up-take its potential… read more here.
Keywords: mode; ion source; ionisation; enhancement ... See more keywords
Comparison of Heated Electrospray Ionisation (HESI) and nano-Electrospray Ionisation (nano-ESI) sources coupled to ultrahigh resolution mass spectrometry for the analysis of highly complex atmospheric aerosol samples.
Sign Up to like & getrecommendations! Published in 2020 at "Analytical chemistry"
DOI: 10.1021/acs.analchem.0c00971
Abstract: Direct infusion analysis using soft ionisation techniques coupled to ultrahigh resolution mass spectrometers (UHRMS) allows screening of thousands of organic species in complex samples. Despite the high analytical throughput of direct infusion, this technique is… read more here.
Keywords: ionisation; nano esi; analysis; electrospray ionisation ... See more keywords
Utilisation of Ambient Laser Desorption Ionisation Mass Spectrometry (ALDI-MS) Improves Lipid-Based Microbial Species Level Identification
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-39815-w
Abstract: The accurate and timely identification of the causative organism of infection is important in ensuring the optimum treatment regimen is prescribed for a patient. Rapid evaporative ionisation mass spectrometry (REIMS), using electrical diathermy for the… read more here.
Keywords: mass spectrometry; utilisation ambient; ionisation mass; ionisation ... See more keywords
Probing the dynamics of the photo-induced decarboxylation of neutral and ionic pyruvic acid.
Sign Up to like & getrecommendations! Published in 2022 at "Faraday discussions"
DOI: 10.1039/d2fd00023g
Abstract: The dynamics of the electronically excited pyruvic acid (PA) and of its unimolecular decomposition upon single photon ionisation are investigated by means of a table top fs laser and VUV synchrotron radiation. The latter is… read more here.
Keywords: pyruvic acid; neutral ionic; decarboxylation; ion ... See more keywords
Ionisation and swelling behaviour of weak polyampholyte core-shell networks - a Monte Carlo study.
Sign Up to like & getrecommendations! Published in 2023 at "Soft matter"
DOI: 10.1039/d2sm01301k
Abstract: The network charge of polyampholyte microgels can be tuned by varying the pH of the surrounding solution, and a charge reversal from a positively charged microgel at low pH to a negatively charged microgel at… read more here.
Keywords: network; core; monte carlo; core shell ... See more keywords
The lack of electron momentum correlation in strong-field triple ionisation of molecules
Sign Up to like & getrecommendations! Published in 2021 at "Molecular Physics"
DOI: 10.1080/00268976.2021.1931722
Abstract: We report the results of direct measurements of electron momentum correlation in strong-field-driven molecular triple ionisation. With a camera-based imaging apparatus, measurement of quadruple coincidence (electron–electron–electron–ion) from non-dissociative triple ionisation of benzene and quintuple coincidence… read more here.
Keywords: ionisation; triple ionisation; momentum correlation; electron ... See more keywords
Influence of sputtered species ionisation on the hysteresis behaviour of reactive HiPIMS with oxygen admixture
Sign Up to like & getrecommendations! Published in 2020 at "Plasma Sources Science and Technology"
DOI: 10.1088/1361-6595/ab5f2b
Abstract: In this paper, the hysteresis behaviour of reactive magnetron sputtering process with oxygen admixture is studied by both experiment and model. The ground state number densities of titanium atoms and ions, and the deposition rates… read more here.
Keywords: hysteresis behaviour; hysteresis; ionisation; behaviour reactive ... See more keywords