A5075677692- Pharmaceutical and Antibiotic Environmental Impacts
- Analytical chemistry methods development
- Isotope Analysis in Ecology
- Pesticide Residue Analysis and Safety
- Toxic Organic Pollutants Impact
- Algal biology and biofuel production
- Mass Spectrometry Techniques and Applications
- Constructed Wetlands for Wastewater Treatment
- Environmental remediation with nanomaterials
- Air Quality and Health Impacts
- Chemistry and Chemical Engineering
- Analytical Chemistry and Chromatography
- Electrochemical sensors and biosensors
- Water Treatment and Disinfection
- Effects and risks of endocrine disrupting chemicals
Institute of Environmental Assessment and Water Research
2018-2024
Consejo Superior de Investigaciones Científicas
2018
Oilseed crops are greatly extended all over the world. Their high fat content can interfere during pesticide multiresidue analysis through liquid chromatography-tandem mass spectrometry (LC-MS/MS). This work aimed at overcoming this issue by developing and validating two QuEChERS-based methods for LC-MS/MS determination of 42 pesticides in fatty food matrices: olives sunflower seeds. Optimization extraction method was achieved following a 26-2 fractional factorial design highly...
Analytical methods based on QuEChERS and liquid chromatography-tandem mass spectrometry were developed for the determination of 42 polar semi-polar pesticides in three representative vegetable matrices, viz. corn, grapes alfalfa. A 26-2 fractional factorial experimental design was used to cost-effectively optimize extraction procedure. The optimal analytical approaches validated terms linearity, sensitivity, trueness, precision. Most target showed a relative recovery 70-120 %. Moreover,...
Nontargeted screening (NTS) utilizing liquid chromatography electrospray ionization high-resolution mass spectrometry (LC/ESI/HRMS) is increasingly used to identify environmental contaminants. Major differences in the efficiency of compounds ESI/HRMS result widely varying responses and complicate quantitative analysis. Despite an increasing number methods for quantification without authentic standards NTS, approaches are evaluated on limited diverse data sets with chemical coverage collected...
This work assesses the capacity of a microalgae-based system to remove three highly medium polar pesticides typically found in freshwater: acetamiprid, bentazone, and propanil. Degradation was firstly studied individually at batch lab-scale reactors abiotic heated-killed controls were employed clarify their removal pathways. At lab-scale, propanil acetamiprid completely removed after 7 days whereas bentazone not removed. Four two transformation products (TPs) generated biodegradation process...
A prioritization procedure was developed and implemented at the local level to identify most relevant organic contaminants of emerging concern (CECs) in an agricultural area irrigated with reclaimed water. wide-scope screening methodology based on UPLC-HRMS analysis applied holistically characterize CEC footprint water its spatial temporal variations. One hundred fifty-eight CECs, including pharmaceuticals, industrial chemicals, pesticides, among others, were identified a confidence 2...