Chair of Analytical Chemistry

Method development of particulate matter analysis; evaluation of urban and indoor pollution caused by various emission sources

Luka Pirker, Žiga Velkavrh, Agnese Osīte, Luka Drinovec, Griša Močnik, Maja Remškar. Fireworks - a source of nanoparticles, PM2.5, PM10, and carbonaceous aerosols. Air Qual Atmos Health. 2022, Vol. 15, N 7, p.1275-1286, 10.1007/s11869-021-01142-3 

Pasecnaja E, Perkons, I., Bartkevics, V., Zacs, D. Legacy and alternative brominated, chlorinated, and organophosphorus flame retardants in indoor dust—levels, composition profiles, and human exposure in Latvia. Environmental Science and Pollution Research 2021, 28, 25493-25502, 10.1007/s11356-021-12374-2

Vorkamp, K., Castaño, A., Antignac, J.-P., Boada, L.D., Cequier, E., Covaci, A., Esteban López, M., Haug, L.S., Kasper-Sonnenberg, M., Koch, H.M., Pérez Luzardo, O., Osīte, A., Rambaud, L., Pinorini, M.-T., Sabbioni, G., Thomsen, C. Biomarkers, matrices and analytical methods targeting human exposure to chemicals selected for a European human biomonitoring initiative. Environment International 2021, 146, 106082, 10.1016/j.envint.2020.106082

Physiochemical analysis for investigation of archaeological material obtained in Latvia

Rundeberget, A. Vasks, I.M. Gundersen, R. Brūzis, J.H. Larsen, V. Bebre, I. Doniņa, A. Vīksna. Bloomery ironmaking in Latvia: a comparative study of Iron Age and medieval technologies . Historical Metallurgy Vol. 52, Part 2 for 2018 (published 2020), p. 96-109. , URL: www.duo.uio.no/handle/10852/78447 ISSN 0142-3304.

Mārīte Jakovļeva, Dita Auziņa, Rūdolfs Brūzis, Viktorija Bebre, Inga Doniņa, Valda Kļava, Gvido Straube, Valdis Bērziņš, Arturs Vīksna, Andris Actiņš, Raimonds Meija, Konrāds Popovs, Ingar Gundersen, R. Upmalis, Anton Parfentev. Gone to smelt iron in Courland: technology transfer in the development of an early modern industry (2019) Post-Medieval Archaeology, Vol.53, p.102-124. URL: https://www.tandfonline.com/doi/full/10.1080/00794236.2019.1601398.

Development of analytical methods for water, soil and biological objects using inductively coupled plasma mass spectrometry and stable isotope ratio mass spectrometry

Shtangeeva, I., Vīksna, A., Bērtiņš, M., Ryumin, A., Grebnevs, V. Variations in the concentrations of macro- and trace elements in two grasses and in the rhizosphere soil during a day. Environmental Pollution 2020, 262, 114265, 10.1016/j.envpol.2020.114265

Labsvards, K.D., Rudovica, V., Kluga, R., Rusko, J., Busa, L., Bertins, M., Eglite, I., Naumenko, J., Salajeva, M., Viksna, A. Determination of floral origin markers of latvian honey by using irms, uhplc-hrms, and1 h-nmr, (2022) Foods, 11 (1), art. no. 42,  DOI: 10.3390/foods11010042

Synthesis and analytical investigation of new hydroxyapatites

Joksa, A.A., Komarovska, L., Ubele-Kalnina, D., Viksna, A., Gross, K.A. Role of carbonate on the crystallization and processing of amorphous calcium phosphates, (2023) Materialia, 27, art. no. 101672. DOI: 10.1016/j.mtla.2022.101672

Grebņevs, V., Leśniak-Ziółkowska, K., Wala, M., Dulski, M., Altundal, Dutovs, A., Avotiņa, L., Erts, D., Viter, R., Vīksna, A., Simka, W. Modification of physicochemical properties and bioactivity of oxide coatings formed on Ti substrates via plasma electrolytic oxidation in crystalline and amorphous calcium phosphate particle suspensions, (2022) Applied Surface Science, 598, art. no. 153793, DOI: 10.1016/j.apsusc.2022.153793

K. A. Prosolov, A. Sainova, A. Osite, Yu. P. Sharkeev, and K. A. Gross. “Influence of Hydrothermal Processing on the Structuring of Amorphous Strontium Hydroxyapatite” in MEPhI’s Section of the Scientific Session on “Breakthrough directions of scientific research at MEPhI: Development prospects within the Strategic Academic Units”, KnE Engineering. 2018, p.216–223; 10.18502/keg.v3i6.2996

M. B. Sedelnikova, Yu. P. Sharkeev, E. G. Komarova, A. A. Kazakbaeva, I. V. Fadeeva, J. Schmidt, V. Valkovska, and A. Osīte. Effect of the process voltage and electrolyte composition on the structure and properties of Sr-incorporated micro-arc calcium phosphate coatings formed on Mg– 0.8Ca. AIP Conference Proceedings 2051, 020269 (2018); doi: 10.1063/1.5083512. 

V. Valkovska, A. Osīte, L. Buša, V. Nikolajeva. Characterization of hydrothermal processing influence on strontium substituted apatite by investigating stable oxygen isotope ratio and antibacterial activity of obtained peroxyapatite. Key Engineering Materials Vol. 762, (2018), p.14-18.

Development of sensitive analytical methods based on high-resolution mass spectrometry and application of the developed technologies for the study of food products and environmental objects

Fedorenko, D., Bartkevics, V. Recent Applications of Nano-Liquid Chromatography in Food Safety and Environmental Monitoring: A Review. Critical Reviews in Analytical Chemistry 2021, 10.1080/10408347.2021.1938968

Perkons, I.,. Rusko, J, Zacs, D., Bartkevics, V. Rapid determination of pharmaceuticals in wastewater by direct infusion HRMS using target and suspect screening analysis. Science of the Total Environment 2021, 755, 142688, 10.1016/j.scitotenv.2020.142688

Analytical research of innovative materials

Lazarenko, V., Rublova, Y., Meija, R., Andzane, J., Voikiva, V., Kons, A., Sarakovskis, A., Viksna, A., Erts, D. Bi2Se3 Nanostructured Thin Films as Perspective Anodes for Aqueous Rechargeable Lithium-Ion Batteries (2022) Batteries, 8 (10), art. no. 144, DOI: 10.3390/batteries8100144

Meija, R., Lazarenko, V., Skrastina, A., Rublova, Y., Andzane, J., Voikiva, V., Viksna, A., Erts, D. The Electrochemical Characterization of Nanostructured Bi2Se3 Thin Films in an Aqueous Na Electrolyte

(2022) Batteries, 8 (3), art. no. 25, DOI: 10.3390/batteries8030025. 

A project co-financed by the EU "Horizon Europe" research and innovation funding programme “European Partnership for the Assessment of Risks from Chemicals” (PARC), 2022-2029.

• Commercial contracts with JSC Grindeks, JSC Olainfarm, JSC Ardena on the validation of catalyst residue quantification methods and their monitoring  in pharmaceutical active substances.

• Research service contracts with RTU and Latvian Institute of Hydroecology.

• Research service contract with the University of Oslo for the analysis of archaeological samples from iron production units; 01/11/2017 – 31/12/2017

• Project of EU and European Environment Agency “HORIZON 2020”  programme  HBM4EU "European Human Biomonitoring Initiative (EHBMI)"; (2017.-2022.); https://www.hbm4eu.eu/

• COST CA16109: Chemical On-Line cOmpoSition and Source Apportionment of fine aerosol (COLOSSAL). 2016-2021. Collaboration partners: project coordinator Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Spain, other institutions of the consortium.

• COST FP1301: Innovative management and multifunctional utilization of traditional coppice forests - an answer to future ecological, economic and social challenges in the European forestry sector (EuroCoppice). 2013-2017. Collaboration partners: project coordinator Albert-Ludwigs-Universität Freiburg, Germany, other institutions of the consortium.

• COST CA18238: European transdisciplinary networking platform for marine biotechnology (Ocean4biotech). 2019-2023.  Collaboration partners: project coordinator National Institute of Biology, Slovenia, other institutions of the consortium.

• Establishing of the scientific capacity for the management of pharmaceutical products residues in the environment of Latvia and Norway. Norwegian government bilateral financial instrument project. 2015-2017. Collaboration partner: University of Oslo, Norway.

• Selection of chemical biomarkers for public food pollutant exposure risk assessment using analysis of wastewater samples. 12.2020-12.2021.

• Recognition of monofloral honey of Latvian origin using nuclear magnetic resonance, chromatographic, isotope ratio mass spectrometry and chemometric methods; LZP (IZM SZA), 2020-2021.

• Sheep wool fibre processing technology for use in the development of multifunctional bio—filters. 2020-2022.

• Approbation of Nanosensoric Methods in the Control of Odour Pollution in the Atmosphere in the Municipality of Saldus. The effective collaboration project of the University of Latvia No. 18-74. 2018, (one of the executors A. Arāja) Collaboration partner: LU ĢZZF.

• Effect of wood ash application on heavy metal concentration in ground cover plants and berries. A LSFRI "Silava" short-term scientific mission. 11.2018.-01.2019.

• Effect of fertilizers used in deciduous tree plantations on the concentration of heavy metals in orange-cap bolete. A LSFRI "Silava" short-term scientific mission. 11.2018.-01.2019;

• Cycle of introduced mineral nitrogen (N isotopes in pine and spruce needles, and forest berry bushes). A LSFRI "Silava" short-term scientific mission. 11.2019.-01.2020.

• N isotopes in the ameliorant and the plant, after introduction of additional nitrogen during conifer planting. A LSFRI "Silava" short-term scientific mission.

• “Strengthening of the capacity of doctoral studies at the University of Latviawithin the framework of the new doctoral model”, identification no. 8.2.2.0/20/I/006 (PhD students Māris Bērtiņš, Vitālijs Lazarenko, Krišs Dāvids Labsvārds, Zane Bērziņa)

Burlakovs, J., Jani, Y., Kriipsalu, M., Vincevica-Gaile, Z., Kaczala, F., Celma, G., Ozola, R., Rozina, L., Rudovica, V., Hogland, M., Viksna, A., Pehme, K.-M., Hogland, W., Klavins, M. (2018) On the way to ‘zero waste’ management: Recovery potential of elements, including rare earth elements, from fine fraction of waste.  Journal of Cleaner Production, 186, 81-90.

Viter, R., Kunene, Genys, P. Jevdokimovs, D., Erts, D., Sutka, A., Bisetty, K., Viksna, A, Ramanaviciene, A, Ramanavicius, A. (2020) Photoelectrochemical Bisphenol S Sensor Based on ZnO-Nanoroads Modified by Molecularly Imprinted Polypyrrole, Macromolecular Chemistry and Physics, 222/1, 1900232

Shtangeeva I, Buša L, Viksna A. (2019) Carbon and nitrogen stable isotope ratios of soils and grasses as indicators of soil characteristics and biological taxa,  Applied Geochemistry, Vol. 104,19-24.

Bogdanova, E., Pugajeva, I., Reinholds, I., Bartkevics, V. Two-dimensional liquid chromatography - high resolution mass spectrometry method for simultaneous monitoring of 70 regulated and emerging mycotoxins in Pu-erh tea. Journal of Chromatography A 2020, 1622, 461145, 10.1016/j.chroma.2020.461145

Muter, O., Bartkevics, V. Advanced analytical techniques based on high-resolution mass spectrometry for the detection of micropollutants and their toxicity in aquatic environments. Current Opinion in Environmental Science and Health 2020, 18, 1-6, 10.1016/j.coesh.2020.05.002

• Stable isotope ratio mass spectrometer Nu Horizon (NU Instruments)
• Elemental analyzer EuroEA3000 (EuroVector)
• Triple quadrupole inductively coupled plasma mass-spectrometer ICP-QQQ (Agilent)
• Microwave digestion system Start E (Milestone)
• Microwave digestion system Multiwave 3000 (Anthon Paar)
• IR-spectrometer FT-IR Frontier (PerkinElmer)
• Air quality analyzers (ozone analyzer, NOx analyzer, particulate matter analyzer)
• UV-VIS spektrometrs UV-2700 (Schimadzu)
• Lāzera ablācijas iekārta NewWave 213