Search Results - "BARTKEVICS, V"
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Trace determination of perfluorooctane sulfonate and perfluorooctanoic acid in environmental samples (surface water, wastewater, biota, sediments, and sewage sludge) using liquid chromatography – Orbitrap mass spectrometry
Published in Journal of Chromatography A (18-11-2016)“…•A novel Orbitrap-MS method for determination of PFOA and PFOS is presented.•Results demonstrate that Orbitrap-MS is efficient tool for the analysis of…”
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Occurrence of perfluoroalkyl compounds in commercially available baby food produced in different European countries - levels, dietary intake, and exposure assessment
Published in Chemosphere (Oxford) (01-09-2024)“…The presence of per- and polyfluoroalkyl substances (PFASs) in commercial baby food products from various European countries was investigated in this study. A…”
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Polybrominated diphenyl ethers (PBDEs), hexabromocyclododecanes (HBCDD), dechlorane-related compounds (DRCs), and emerging brominated flame retardants (EBFRs) in foods: The levels, profiles, and dietary intake in Latvia
Published in The Science of the total environment (15-01-2021)“…This study was performed to assess the Latvian population exposure to polybrominated diphenyl ethers (PBDEs), hexabromocyclododecanes (HBCDD),…”
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Analytical capabilities of high performance liquid chromatography – Atmospheric pressure photoionization – Orbitrap mass spectrometry (HPLC-APPI-Orbitrap-MS) for the trace determination of novel and emerging flame retardants in fish
Published in Analytica chimica acta (22-10-2015)“…A new analytical method was established and validated for the analysis of 27 brominated flame retardants (BFRs), including so called “emerging” and “novel”…”
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Polychlorinated naphthalenes (PCNs) in food products in Latvia: Congener-specific analysis, occurrence, and dietary exposure of the general population
Published in Chemosphere (Oxford) (01-02-2021)“…A study was performed to evaluate the dietary exposure of the Latvian population to polychlorinated naphthalenes (PCNs). Based on the toxicological…”
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Evaluation of analytical performance of gas chromatography coupled with atmospheric pressure chemical ionization Fourier transform ion cyclotron resonance mass spectrometry (GC-APCI-FT-ICR-MS) in the target and non-targeted analysis of brominated and chlorinated flame retardants in food
Published in Chemosphere (Oxford) (01-06-2019)“…A new analytical method was established and validated for the analysis of eighteen halogenated flame retardants (HFRs)in food products. Gas chromatography (GC)…”
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Determination of residues and metabolites of more than 140 pharmacologically active substances in meat by liquid chromatography coupled to high resolution Orbitrap mass spectrometry
Published in Journal of pharmaceutical and biomedical analysis (20-03-2019)“…[Display omitted] •Simultaneous screening of 22 classes drug residues in meat by LC-HRMS-Orbitrap.•Analysis of 164 residues and metabolites of…”
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Emerging brominated flame retardants and dechlorane-related compounds in European eels (Anguilla anguilla) from Latvian lakes
Published in Chemosphere (Oxford) (01-04-2018)“…Fifteen halogenated flame retardants (HFRs) including seven emerging brominated flame retardants (EBFRs) and eight dechlorane-related compounds (DRCs) were…”
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Mycotoxins in herbal teas marketed in Latvia and dietary exposure assessment
Published in Food additives & contaminants Part B, Surveillance communications (01-09-2019)“…The occurrence of 12 mycotoxins has been analysed by liquid chromatography - time of flight mass spectrometry in the batch of 60 herbal teas purchased from…”
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Multi-analyte method for the analysis of legacy and alternative brominated and chlorinated flame retardants in food products of animal origin using gas chromatography - magnetic sector high resolution mass spectrometry
Published in Chemosphere (Oxford) (01-09-2019)“…An analytical method was developed and validated for the analysis of 32 halogenated flame retardants (HFRs), including 13 polybrominated diphenyl ethers…”
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Method development for the simultaneous determination of polybrominated, polychlorinated, mixed polybrominated/chlorinated dibenzo-p-dioxins and dibenzofurans, polychlorinated biphenyls and polybrominated diphenyl ethers in fish
Published in Chemosphere (Oxford) (01-01-2015)“…[Display omitted] •The procedure for simultaneous determination of five groups of POPs is presented.•The method provides the analysis of PBDD/DFs and…”
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Brominated flame retardants and toxic elements in the meat and liver of red deer (Cervus elaphus), wild boar (Sus scrofa), and moose (Alces alces) from Latvian wildlife
Published in The Science of the total environment (15-04-2018)“…In order to evaluate the contamination status of terrestrial biota in Latvia, muscle and liver tissues of red deer (Cervus elaphus), wild boar (Sus scrofa),…”
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Occurrence of polybrominated diphenyl ethers, perfluorinated compounds, and nonsteroidal anti-inflammatory drugs in freshwater mussels from Latvia
Published in Chemosphere (Oxford) (01-12-2018)“…The occurrence of polybrominated diphenyl ethers (PBDE), perfluorinated compounds (PFC), and nonsteroidal anti-inflammatory drugs (NSAID) in Latvian freshwater…”
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Multi-Walled Carbon Nanotubes as Effective Sorbents for Rapid Analysis of Polycyclic Aromatic Hydrocarbons in Edible Oils Using Dispersive Solid-Phase Extraction (d-SPE) and Gas Chromatography—Tandem Mass Spectrometry (GC-MS/MS)
Published in Food analytical methods (01-09-2018)“…A method was developed for the analysis of four polycyclic aromatic hydrocarbons regulated in the European Union, namely, benzo[ a ]anthracene, chrysene,…”
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Determination of acidic non-steroidal anti-inflammatory drugs in aquatic samples by liquid chromatography-triple quadrupole mass spectrometry combined with carbon nanotubes-based solid-phase extraction
Published in Environmental monitoring and assessment (01-11-2017)“…A solid-phase extraction (SPE) method based on multi-walled carbon nanotubes (CNT) was developed for the determination of 12 acidic non-steroidal…”
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Determination of steroidal oestrogens in tap water samples using solid-phase extraction on a molecularly imprinted polymer sorbent and quantification with gas chromatography-mass spectrometry (GC-MS)
Published in Environmental monitoring and assessment (01-07-2016)“…An analytical method was established and validated for the analysis of steroidal oestrogens in tap water samples. Gas chromatography coupled to high-resolution…”
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New perspectives on diastereoselective determination of hexabromocyclododecane traces in fish by ultra high performance liquid chromatography–high resolution orbitrap mass spectrometry
Published in Journal of Chromatography A (21-02-2014)“…•The application of Orbitrap-HRMS for HBCD analysis was implemented.•Validation results for elaborated methodology are presented.•The methodology was applied…”
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Direct injection Fourier transform ion cyclotron resonance mass spectrometric method for high throughput quantification of quinolones in poultry
Published in Journal of pharmaceutical and biomedical analysis (05-09-2020)“…[Display omitted] •High throughput direct injection mass spectrometric method was developed.•Quantification and confirmation of ten quinolones was achieved in…”
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Content of polychlorinated dibenzo-p-dioxins, dibenzofurans and dioxin-like polychlorinated biphenyls in fish from Latvian lakes
Published in Chemosphere (Oxford) (01-04-2013)“…► Levels of PCDD/PCDFs and dl-PCBs in freshwater fish from Latvian lakes were represented. ► Congener profiles of PCDD/PCDFs and dl-PCB were compared for…”
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Ultra high performance liquid chromatography–time-of-flight high resolution mass spectrometry in the analysis of hexabromocyclododecane diastereomers: Method development and comparative evaluation versus ultra high performance liquid chromatography coupled to Orbitrap high resolution mass spectrometry and triple quadrupole tandem mass spectrometry
Published in Journal of Chromatography A (31-10-2014)“…•UHPLC–TOF-HRMS could be successfully applied for analysis of HBCD in fish samples.•Comparison of three different UHPLC–MS systems in analysis of HBCD is…”
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