Influence of Accelerated Electron-Irradiation on Sorption Properties of Latvian Darkhead Sheep Wool Fibers

Authors: Liga AVOTINA, Arturs ZARINS, Nadina Tina VANAGA, Aleksandrs PETJUKEVICS, Magdalena RZEPNA, Antons PODJAVA, Vilnis PEIPINS, Gunta KIZANE

Source: Medžiagotyra, Vol 30, Iss 2, Pp 248-253 (2024)

Subject Terms: 2. Zero hunger, infrared spectrometry, sorption, Mining engineering. Metallurgy, electron irradiation, TN1-997, sheep wool

Access URL: https://doaj.org/article/25395f4763974411ba688cb75765469e

In Situ Anion-Generating Molecularly Imprinted Solid-Phase Extraction Coupled with HILIC-MS/MS for Determination of Metanephrines in Low Volume of Plasma.

Authors: Podjava, Antons¹ (AUTHOR) antons.podjava@lu.lv, Šilaks, Artūrs¹ (AUTHOR)

Source: Separations (2297-8739). Jun2026, Vol. 13 Issue 6, p182. 14p.

Subject Terms: *Pheochromocytoma, *Solid phase extraction, *Tandem mass spectrometry, *Paraganglioma, *Neuroendocrine tumors, *Catecholamines, *Biomarkers

Novel Strongly Basic Molecularly Imprinted Solid‐Phase Extraction Sorbent for Simultaneous Determination of Catecholamines and Their Metabolites in Urine.

Authors: Šilaks, Artūrs¹ (AUTHOR) arturs.silaks@lu.lv, Podjava, Antons¹ (AUTHOR), Bernāte, Laura¹ (AUTHOR), Grebnevs, Vladlens^1,2 (AUTHOR), Maciej, Artur² (AUTHOR)

Source: Journal of Separation Science. Jun2026, Vol. 49 Issue 6, p1-17. 17p.

Subject Terms: *Solid phase extraction, *Catecholamines, *Liquid chromatography-mass spectrometry, *Ion exchange resins, *Imprinted polymers, *Chemical research, *Urinalysis

Study of Chromatographic Properties of Catecholamines and their Acidic Metabolites Using Novel Molecularly Imprinted Polymers as Stationary Phases

Authors: Antons Podjava, Artūrs Šilaks

Source: Key Engineering Materials. 903:15-21

Subject Terms: 01 natural sciences, 0104 chemical sciences

Synthesis and sorptive properties of molecularly imprinted polymer for simultaneous isolation of catecholamines and their metabolites from biological fluids

Authors: Anton Podjava (1984492), Artūrs Šilaks (10071955)

Source: Journal of Liquid Chromatography & Related Technologies. 44:181-188

Subject Terms: Chemical Sciences not elsewhere classified, Biophysics, Biochemistry, 01 natural sciences, noncovalent imprinting, 0104 chemical sciences, catecholamine metabolites, Catecholamines, semicovalent imprinting, Environmental Sciences not elsewhere classified, Genetics, molecularly imprinted polymers, Molecular Biology, Biotechnology

Crystal and Molecular Structure and Stability of Isoniazid Cocrystals with Selected Carboxylic Acids

Authors: Sarcevica, Inese^{aff1, aff2}, Orola, Liana^aff1, Veidis, Mikelis V^aff1, Podjava, Anton^aff1, Belyakov, Sergey^aff2

Source: Crystal Growth & Design. 13(3):1082-1090

Availability: https://pubs.acs.org/doi/10.1021/cg301356h

Dilute‐and‐shoot approach for determination of several biomarkers and pharmaceuticals in wastewater using nanoflow liquid chromatography – Orbitrap mass spectrometry

Authors: Deniss Fedorenko, Antons Podjava, Arvis Prikulis, Vadims Bartkevics

Source: Journal of Separation Science. 46

Subject Terms: Pharmaceutical Preparations, Wastewater, 6. Clean water, Chromatography, High Pressure Liquid, Mass Spectrometry, Chromatography, Liquid

Access URL: https://pubmed.ncbi.nlm.nih.gov/37026386

The Feasibility of Integrating Spray-Dried and Freeze-Dried Oat β-Glucans into a Synbiotic Formulation with Akkermansia muciniphila

Authors: Vanda Sargautiene, Darius Sargautis, Anton Podjava, Ida Jakobsone, Vizma Nikolajeva

Source: Fermentation, Vol 9, Iss 895, p 895 (2023)

Subject Terms: spray drying, freeze drying, oat β-glucan, Akkermansia muciniphila, synbiotic formulation, fermentation, Fermentation industries. Beverages. Alcohol, TP500-660

Relation: https://www.mdpi.com/2311-5637/9/10/895; https://doaj.org/toc/2311-5637; https://doaj.org/article/9dd783af407f45acbd87263abb5cb7b5

Availability: https://doi.org/10.3390/fermentation9100895
https://doaj.org/article/9dd783af407f45acbd87263abb5cb7b5

Evaluation of furanocoumarins from seeds of the wild parsnip (Pastinaca sativa L. s.l.)

Authors: Kviesis, Jorens ^{a, ⁎}, Kļimenkovs, Igors ^b, Arbidans, Lauris ^a, Podjava, Anton ^b, Kļaviņš, Māris ^a, Liepiņš, Edvards ^c

Source: In Journal of Chromatography B 15 January 2019 1105:54-66

Latvian Sheep Wool Fiber as a Cheap Natural Adsorbent for the Removal of Congo Red Dye from Wastewater

Authors: Podjava, Antons^{Aff1, IDs1127002205915z_cor1}, Zarins, Arturs^{Aff2, Aff3}, Avotina, Liga^Aff2, Shvirksts, Karlis^{Aff2, Aff4}, Baumane, Larisa^{Aff2, Aff5}, Rasmane, Dzintra Arija^Aff6, Grube, Mara^{Aff2, Aff4}, Kizane, Gunta^Aff2

Source: Water, Air, & Soil Pollution: An International Journal of Environmental Pollution. 233(11)

Zwitterionic Sulfonates as m / z Shift Reagents for 5-Methylcytosine Detection in Deoxyribonucleic Acids (DNA) Using Flow Injection Analysis and Electrospray Ionisation Mass spectrometry

Authors: Anton Podjava, Svjatoslav Kistkin, Elina Ausekle, Peteris Mekss, Andris Zicmanis

Source: European Journal of Mass Spectrometry. 21:659-667

Subject Terms: 0404 agricultural biotechnology, 13. Climate action, 04 agricultural and veterinary sciences, 01 natural sciences, 0104 chemical sciences, 3. Good health

Electrospray Ionization Mass Spectrometry of Non-Covalent Complexes Formed between N -Alkylimidazolium-Containing Zwitterionic Sulfonates and Protonated Bases

Authors: Anton, Podjava, Svjatoslav, Kistkin, Elina, Ausekle, Elina, Priede, Peteris, Mekss, Andris, Zicmanis

Source: European Journal of Mass Spectrometry. 20:467-475

Subject Terms: 13. Climate action, 01 natural sciences, 3. Good health, 0104 chemical sciences

Access URL: https://pubmed.ncbi.nlm.nih.gov/25905871

Content of Alkylresorcinols in Cereals Grown in Latvia Determined by High Performance Liquid Chromatography with UV

Authors: Natālija Bobere, Antons Podjava, Laila Meija, Ida Jākobsone

Source: Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences. 67:389-393

Subject Terms: 0301 basic medicine, 0303 health sciences, 03 medical and health sciences

Access URL: https://content.sciendo.com/downloadpdf/journals/prolas/67/4-5/article-p389.pdf

Chemical Properties of Zwitterionic Imidazolium Alkanecarboxylates Studied in Gas-Phase by Electrospray Ionization – Collision-Induced Dissociation / Cviterjonu Tipa Imidazolija Alkānkarboksilātu Ķīmiskās Īpašības Gāzes Fāzē, Kas Pētītas Ar Elektroizsmidzināšanas Jonizāciju – Sadursmju Inducēto Disociāciju

Authors: A. Podjava, P. Mekss, A. Zicmanis, S. Krasnov

Source: Latvian Journal of Chemistry. 51:249-256

Subject Terms: 01 natural sciences, 0104 chemical sciences

Positive and Negative Electrospray Ionization-Collision-Induced Dissociation of Sulfur-Containing Zwitterionic Liquids

Authors: Anton, Podjava, Peteris, Mekss, Andris, Zicmanis

Source: European Journal of Mass Spectrometry. 17:377-383

Subject Terms: 02 engineering and technology, 0210 nano-technology, 01 natural sciences, 0104 chemical sciences

Access URL: https://pubmed.ncbi.nlm.nih.gov/22006630

Liquid Chromatography - Mass Spectrometry of Zwitterionic Liquids

Authors: A. Podjava, P. Mekšs, A. Zicmanis

Source: Latvian Journal of Chemistry. 49

Subject Terms: 01 natural sciences, 0104 chemical sciences

Cviterjonu tipa jonu šķidrumu ķīmiskās īpašības gāzes fāzē un pielietojumi elektroizsmidzināšanas jonizācijas masspktrometrijā ; The gas phase chemical properties of zwitterionic-type ionic liquids and their uses in electrospray ionization mass spectrometry

Authors: Podjava, Antons

Contributors: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Subject Terms: Ķīmija, ķīmijas tehnoloģijas un biotehnoloģija

Relation: 51206; https://dspace.lu.lv/dspace/handle/7/31314

Availability: https://dspace.lu.lv/dspace/handle/7/31314

Cviterjonu tipa jonu šķidrumu fragmentācija sadursmju inducētās disociācijas apstākļos ; Fragmantation of zwitterionic liquids under conditions of collision induced dissociation

Authors: Podjava, Antons

Contributors: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Subject Terms: Ķīmija

Relation: 28397; https://dspace.lu.lv/dspace/handle/7/24875

Availability: https://dspace.lu.lv/dspace/handle/7/24875

Cviterjonu tipa jonu šķidrumu analīze šķidrumu hromatogrāfijas - masspektromertijas apstākļos ; Liquid chromatography – mass spectrometry of zwitterionic liquids

Authors: Podjava, Antons

Contributors: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Subject Terms: Ķīmija

Relation: 26911; https://dspace.lu.lv/dspace/handle/7/20866

Availability: https://dspace.lu.lv/dspace/handle/7/20866

Cviterjonu tipa jonu šķidrumu ķīmiskās īpašības gāzes fāzē un pielietojumi elektroizsmidzināšanas jonizācijas masspktrometrijā

Authors: Podjava, Antons

Contributors: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Subject Terms: Ķīmija, ķīmijas tehnoloģijas un biotehnoloģija, Ķīmija

File Description: application/pdf

Access URL: https://dspace.lu.lv/dspace/handle/7/31314