Determination of pharmaceutical residues in wastewater using high performance liquid chromatography coupled to quadrupole-Orbitrap mass spectrometry I Pugajeva, J Rusko, I Perkons, E Lundanes, V Bartkevics Journal of Pharmaceutical and Biomedical Analysis 133, 64-74, 2017 | 102 | 2017 |
Removal of pharmaceuticals from municipal wastewaters at laboratory scale by treatment with activated sludge and biostimulation O Muter, P Ingus, T Selga, A Berzins, D Gudra, I Radovica-Spalvina, ... Science of the total environment 584, 402-413, 2017 | 60 | 2017 |
Amino acid metabolism is significantly altered at the time of admission in hospital for severe COVID-19 patients: findings from longitudinal targeted metabolomics analysis L Ansone, M Briviba, I Silamikelis, A Terentjeva, I Perkons, L Birzniece, ... Microbiology spectrum 9 (3), e00338-21, 2021 | 54 | 2021 |
A comparison of gas chromatography coupled to tandem quadrupole mass spectrometry and high-resolution sector mass spectrometry for sensitive determination of polycyclic … I Rozentale, D Zacs, I Perkons, V Bartkevics Food Chemistry 221, 1291-1297, 2017 | 43 | 2017 |
Addressing main challenges regarding short-and medium-chain chlorinated paraffin analysis using GC/ECNI-MS and LC/ESI-MS methods M Mézière, K Krätschmer, I Pe̅rkons, D Zacs, P Marchand, G Dervilly, ... Journal of the American Society for Mass Spectrometry 31 (9), 1885-1895, 2020 | 42 | 2020 |
The impact of baking on chlorinated paraffins: Characterization of C10–C17 chlorinated paraffins in oven-baked pastry products and unprocessed pastry dough by HPLC–ESI–Q–TOF–MS I Perkons, E Pasecnaja, D Zacs Food chemistry 298, 125100, 2019 | 36 | 2019 |
Polybrominated diphenyl ethers (PBDEs), hexabromocyclododecanes (HBCDD), dechlorane-related compounds (DRCs), and emerging brominated flame retardants (EBFRs) in foods: The … D Zacs, I Perkons, E Abdulajeva, E Pasecnaja, E Bartkiene, V Bartkevics Science of the Total Environment 752, 141996, 2021 | 34 | 2021 |
Identification and determination of stilbenes by Q-TOF in grape skins, seeds, juice and stems I Pugajeva, I Perkons, P Górnaś Journal of food composition and analysis 74, 44-52, 2018 | 34 | 2018 |
Profiling of the bioactive components of safflower seeds and seed oil: cultivated (Carthamus tinctorius L.) vs. wild (Carthamus oxyacantha M. Bieb.) S Chakradhari, I Perkons, I Mišina, E Sipeniece, ... European Food Research and Technology 246, 449-459, 2020 | 30 | 2020 |
Decomposition of multi-class pharmaceutical residues in wastewater by exposure to ionising radiation I Reinholds, I Pugajeva, I Perkons, E Lundanes, J Rusko, G Kizane, ... International Journal of Environmental Science and Technology 14, 1969-1980, 2017 | 30 | 2017 |
Rapid determination of pharmaceuticals in wastewater by direct infusion HRMS using target and suspect screening analysis I Perkons, J Rusko, D Zacs, V Bartkevics Science of The Total Environment 755, 142688, 2021 | 29 | 2021 |
Determination of acidic non-steroidal anti-inflammatory drugs in aquatic samples by liquid chromatography-triple quadrupole mass spectrometry combined with carbon nanotubes … I Reinholds, I Pugajeva, D Zacs, E Lundanes, J Rusko, I Perkons, ... Environmental monitoring and assessment 189, 1-15, 2017 | 28 | 2017 |
The application of phospholipid removal columns and ultra-high performance liquid chromatography—tandem quadrupole mass spectrometry for quantification of multi-class … I Reinholds, I Pugajeva, I Perkons, V Bartkevics Journal of pharmaceutical and biomedical analysis 128, 126-131, 2016 | 28 | 2016 |
Polychlorinated naphthalenes (PCNs) in food products in Latvia: Congener-specific analysis, occurrence, and dietary exposure of the general population D Zacs, I Perkons, E Pasecnaja, V Bartkevics Chemosphere 264, 128460, 2021 | 26 | 2021 |
Non-target and suspected-target screening for potentially hazardous chemicals in food contact materials: investigation of paper straws J Rusko, I Perkons, JD Rasinger, V Bartkevics Food Additives & Contaminants: Part A 37 (4), 649-664, 2020 | 25 | 2020 |
Determination of steroidal oestrogens in tap water samples using solid-phase extraction on a molecularly imprinted polymer sorbent and quantification with gas chromatography … D Zacs, I Perkons, V Bartkevics Environmental monitoring and assessment 188, 1-12, 2016 | 25 | 2016 |
Two-dimensional liquid chromatography-mass spectrometry as an effective tool for assessing a wide range of pharmaceuticals and biomarkers in wastewater-based epidemiology studies I Pugajeva, LE Ikkere, M Jansons, I Perkons, V Sukajeva, V Bartkevics Journal of Pharmaceutical and Biomedical Analysis 205, 114295, 2021 | 22 | 2021 |
Consumption trends of pharmaceuticals and psychoactive drugs in Latvia determined by the analysis of wastewater LE Tomsone, I Perkons, V Sukajeva, R Neilands, K Kokina, V Bartkevics, ... Water Research, 118800, 2022 | 20 | 2022 |
Evaluation of analytical performance of gas chromatography coupled with atmospheric pressure chemical ionization Fourier transform ion cyclotron resonance mass spectrometry (GC … D Zacs, I Perkons, V Bartkevics Chemosphere 225, 368-377, 2019 | 17 | 2019 |
Determination of pharmaceutical residues and assessment of their removal efficiency at the Daugavgriva municipal wastewater treatment plant in Riga, Latvia I Reinholds, O Muter, I Pugajeva, J Rusko, I Perkons, V Bartkevics Water Science and Technology 75 (2), 387-396, 2017 | 17 | 2017 |