Results 251 to 260 of about 720,330 (288)

Insights into complementary exposomic targeted analysis and suspect screening approaches: a case study examining human serum for chemicals with LC-IMS-MS.

Env Sci Adv
Dodds JN, Barlow N, Joseph KM, Rehm SJ, Chiu WA, Han G, Luo YS, Zhu K, Casey W, Rusyn I, Baker ES.   +10 more
europepmc   +1 more source

Targeted and non‐targeted drug screening in whole blood by UHPLC‐TOF‐MS with data‐independent acquisition

Drug Testing and Analysis, 2017
High-resolution mass spectrometry (HRMS) is widely used for the drug screening of biological samples in clinical and forensic laboratories. With the continuous addition of new psychoactive substances (NPS), keeping such methods updated is challenging ...
Christian Brinch Mollerup, Pétur Weihe Dalsgaard, Marie Mardal   +2 more
exaly   +2 more sources

Evidence of complementarity between targeted and non-targeted analysis based on liquid and gas-phase chromatography coupled to mass spectrometry for screening halogenated persistent organic pollutants in environmental matrices

Chemosphere, 2022
International audienceComplementarity of targeted and nontargeted screening of organohalogens is studied. • Targeted quantification of legacy and novel BFRs, CPs and PCBs (n > 80).
Stéphane Bayen, P Marchand, Ronan Cariou   +2 more
exaly   +2 more sources

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Data acquisition methods for non-targeted screening in environmental analysis

TrAC - Trends in Analytical Chemistry, 2023
Yujue Yang, Lili Yang, Minghui Zheng
exaly   +2 more sources

Targeted and non-targeted screening of flame retardants in rural and urban honey

Chemosphere, 2023
Flame retardants (FRs) are often added to commercial products to achieve flammability resistance, but they are not chemically bonded to the materials, so, they can be easily released into the environment during the production and disposal processes.
Gabriel Leung, Caren Akiki, Shaghig Bilamjian, Lei Tian, Lan Liu, Stéphane Bayen   +5 more
openaire   +2 more sources

Non-targeted Screening in Environmental Monitoring Programs

2019
Contaminant monitoring programs have been tasked with understanding the fate and transport of toxic chemicals in the environment. Mass spectrometry based methods have traditionally been developed to maximize sensitivity and accuracy of a select set of target compounds. As mass spectrometry methods have advanced, so has the breadth of questions proposed
Bernard S, Crimmins, Thomas M, Holsen
openaire   +2 more sources

Recent developments and workflows of non-targeted LC-HRMS screening in the detection of veterinary drug residues in foods

TrAC - Trends in Analytical Chemistry
Monitoring veterinary drug residues in food is one key link to ensuring food safety. In recent years, non-targeted screening technology based on liquid chromatography-high resolution mass spectrometry (LC-HRMS) has attracted widespread attention. However,
Anastasios Koidis, Hongtao Lei, Xiaoqun Wei   +2 more
exaly   +2 more sources

How Unbiased is Non-Targeted Metabolomics and is Targeted Pathway Screening the Solution?

Current Pharmaceutical Biotechnology, 2011
Metabolomics is only truly unbiased if the whole metabolome is captured. Current metabolomics technologies capture only a part of the metabolome and therefore produce inherently biased results. Important factors that introduce such bias into a metabolomic analysis may include but are not limited to, timing of sample collection, the sample collection ...
Uwe, Christians, Jelena, Klawitter, Andrea, Hornberger, Jost, Klawitter   +3 more
openaire   +2 more sources

A method for rapid, non-targeted screening for environmental contaminants in household dust

Journal of Chromatography A, 2010
Household dust can be a major source of human exposure to environmental contaminants such as polybrominated diphenyl ethers, pesticides, and other compounds. This work shows a screening technique that may be used to identify components in an environmental sample as xenobiotics based on mass spectral characteristics of classes of compounds that may be ...
Donald C, Hilton, Richard S, Jones, Andreas, Sjödin   +2 more
openaire   +2 more sources