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Untargeted metabolomics based on ultra-high-performance liquid chromatography-ion mobility-quadrupole time-of-flight mass spectrometry for biomarker discovery of orange intake in a cross-over trial
(Gordon Research Conferences, 2019-02-03)
Diet is one of the most important lifestyle factors associated with health status. Currently, one of the main limitations of nutritional epidemiology and nutritional genomics is the difficulty in the measurements of dietary ...
Application of liquid chromatography/mass spectrometry in assessment of potential use of azadirachtins (TreeAzin ™ ) against Asian longhorned beetle
(Royal Society of Chemistry, 2014-08)
Azadirachtins are natural triterpenoid compounds derived from Neem tree extracts with potential for use as systemic insecticides against invasive wood-boring insect pests. In this work, a sensitive and selective analytical ...
Wide-scope screening of pharmaceuticals, illicit drugs and their metabolites in the Amazon River
(IWA PublishingElsevier, 2021-05-17)
Only a limited number of households in the Amazon are served by sewage collection or treatment facili- ties, suggesting that there might be a significant emission of pharmaceuticals and other wastewater contaminants into ...
Pesticide Inhalation Exposure of Applicators and Bystanders Using Conventional and Innovative Cropping Systems in the Valencian Region, Spain
(MDPI, 2021-05-15)
This paper provides scientific results from a European LIFE project carried out in the Valencian region of Spain during the 2017 to 2018 time frame. In 2018, more than 60,000 tons of pesticides were commercialized in Spain, ...
Electrochemical oxidation of meglumine in a pharmaceutical formulation using a nanocomposite anode
(Elsevier, 2022-10-30)
The electrocatalytic oxidation of meglumine and gadoterate meglumine (Gd-DOTA) on a TiO2-Ni(SO4)0.3(OH)1.4 composite anode was investigated in alkaline medium (5 M KOH) using cyclic voltammetry and chronoamperometry. The ...
Investigation of drugs of abuse and relevant metabolites in Dutch sewage water by liquid chromatography coupled to high resolution mass spectrometry
(Elsevier, 2012-11)
An extensive study on the presence of illicit drugs and pharmaceuticals with potential for abuse in sewage waters was made for the first time in the Netherlands. A total number of 24 target drugs were investigated in ...
Efficient Validation Strategies in Environmental Analytical Chemistry: A Focus on Organic Micropollutants in Water Samples
(Annual Reviews, 2023)
This article critically reviews analytical method validation and quality control applied to the environmental chemistry field. The review focuses on the determination of organic micropollutants (OMPs), specifically emerging ...
Searching for pharmaceutically active products and metabolites in environmental waters of Peru by HRMS-based screening: Proposal for future monitoring and environmental risk assessment
(Elsevier, 2023-06-28)
The presence of pharmaceutical active products (PhACs) in the aquatic environment is a matter of current concern, and there is an increasing trend to include these compounds in water quality monitoring programs and ...
Benefits of Ion Mobility Separation in GC-APCI-HRMS Screening: From the Construction of a CCS Library to the Application to Real-World Samples
(American Chemical Society, 2022-06-28)
The performance of gas chromatography (GC) combined with the improved identification properties of ion mobility separation coupled to high-resolution mass spectrometry (IMS-HRMS) is presented as a promising approach for ...
Application of gas chromatography time-of-flight mass spectrometry for target and non-target analysis of pesticide residues in fruits and vegetables
(Elsevier, 2012)
In this work, the capability of gas chromatography coupled to time-of-flight mass spectrometry (GC–TOF MS) for quantitative analysis of pesticide residues has been evaluated. A multiclass method for rapid screening of ...