Results 21 to 30 of about 34,491,299 (291)

MIA: non-targeted mass isotopolome analysis [PDF]

open access: yesBioinformatics, 2016
Abstract Summary: MIA detects and visualizes isotopic enrichment in gas chromatography electron ionization mass spectrometry (GC–EI-MS) datasets in a non-targeted manner. It provides an easy-to-use graphical user interface that allows for visual mass isotopomer distribution analysis across multiple datasets.
Daniel Weindl   +2 more
openaire   +2 more sources

Analysis of Chlorophylls/Chlorophyllins in Food Products Using HPLC and HPLC-MS Methods

open access: yesMolecules, 2023
Of the different quality parameters of any food commodity or beverage, color is the most important, attractive and choice-affecting sensory factor to consumers and customers. Nowadays, food industries are interested in making the appearance of their food
Badal Kumar Mandal, Yong-Chien Ling
doaj   +1 more source

Per- and polyfluoralkyl substances (PFAS) in drinking water system: Target and non-target screening and removal assessment

open access: yesEnvironment International, 2022
The massive use and the persistence of per- and polyfluoroalkyl substances (PFAS) have led to their frequent detection in aquatic environments, which may further threaten drinking water safety.
Yu-Qing Wang   +6 more
doaj   +1 more source

Untargeted Analysis of Lemna minor Metabolites: Workflow and Prioritization Strategy Comparing Highly Confident Features between Different Mass Spectrometers

open access: yesMetabolites, 2021
Metabolomics approaches provide a vast array of analytical datasets, which require a comprehensive analytical, statistical, and biochemical workflow to reveal changes in metabolic profiles. The biological interpretation of mass spectrometric metabolomics
Rofida Wahman   +7 more
doaj   +1 more source

Authentication of Greek PDO Kalamata Table Olives: A Novel Non-Target High Resolution Mass Spectrometric Approach

open access: yesMolecules, 2020
Food science continually requires the development of novel analytical methods to prevent fraudulent actions and guarantee food authenticity. Greek table olives, one of the most emblematic and valuable Greek national products, are often subjected to ...
Natasa P. Kalogiouri   +3 more
doaj   +1 more source

Non-targeted analysis of unknown volatile chemicals in medical masks

open access: yesEnvironment International, 2022
This paper reports the non-targeted analysis of unknown volatile chemicals in medical masks through headspace gas chromatography-Orbitrap high-resolution mass spectrometry. In view of the difficulties that may be encountered in the qualitative analysis of unknown substances, several typical cases and the corresponding reliable solutions are given from ...
Yahui Liu   +6 more
openaire   +3 more sources

Suspect and non-target screening: the last frontier in environmental analysis

open access: yesAnalytical Methods, 2021
This review evaluates the state of the art of suspect and non-target screening techniques including sampling, sample treatment, instrumental analysis, data processing and an examination of recent applications in xenobiotics' environmental occurrence.
B. González-Gaya   +9 more
openaire   +3 more sources

Dynamics Analysis of Space Netted Pocket System Capturing Non-Cooperative Target

open access: yesApplied Sciences, 2023
With the increasing amount of space debris, it is necessary to develop space debris active cleaning technology. The space netted pocket system is a flexible mechanism system which can be used to capture a non-cooperative target flexibly due to the ...
Chao Tang   +4 more
doaj   +1 more source

Exposomic Biomonitoring of Polyphenols by Non-Targeted Analysis and Suspect Screening

open access: yesAnalytical Chemistry, 2023
Polyphenols, prevalent in plants and fungi, are investigated intensively in nutritional and clinical settings because of their beneficial bioactive properties. Due to their complexity, analysis with untargeted approaches is favorable, which typically use high-resolution mass spectrometry (HRMS) rather than low-resolution mass spectrometry (LRMS).
Ian Oesterle   +6 more
openaire   +2 more sources

Predicting RP-LC retention indices of structurally unknown chemicals from mass spectrometry data

open access: yesJournal of Cheminformatics, 2023
Non-target analysis combined with liquid chromatography high resolution mass spectrometry is considered one of the most comprehensive strategies for the detection and identification of known and unknown chemicals in complex samples.
Jim Boelrijk   +4 more
doaj   +1 more source

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