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

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

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

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

Σύνδεσμος πρόσβασης: 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.

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

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

Θεματικοί όροι: *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.

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

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

Θεματικοί όροι: *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

Συγγραφείς: Antons Podjava, Artūrs Šilaks

Πηγή: Key Engineering Materials. 903:15-21

Θεματικοί όροι: 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

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

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

Θεματικοί όροι: 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

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

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

Διαθεσιμότητα: 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

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

Πηγή: Journal of Separation Science. 46

Θεματικοί όροι: Pharmaceutical Preparations, Wastewater, 6. Clean water, Chromatography, High Pressure Liquid, Mass Spectrometry, Chromatography, Liquid

Σύνδεσμος πρόσβασης: 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

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

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

Θεματικοί όροι: 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

Διαθεσιμότητα: 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.)

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

Πηγή: 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

Συγγραφείς: 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

Πηγή: 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

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

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

Θεματικοί όροι: 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

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

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

Θεματικοί όροι: 13. Climate action, 01 natural sciences, 3. Good health, 0104 chemical sciences

Σύνδεσμος πρόσβασης: https://pubmed.ncbi.nlm.nih.gov/25905871

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

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

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

Θεματικοί όροι: 0301 basic medicine, 0303 health sciences, 03 medical and health sciences

Σύνδεσμος πρόσβασης: 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

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

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

Θεματικοί όροι: 01 natural sciences, 0104 chemical sciences

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

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

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

Θεματικοί όροι: 02 engineering and technology, 0210 nano-technology, 01 natural sciences, 0104 chemical sciences

Σύνδεσμος πρόσβασης: https://pubmed.ncbi.nlm.nih.gov/22006630

Liquid Chromatography - Mass Spectrometry of Zwitterionic Liquids

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

Πηγή: Latvian Journal of Chemistry. 49

Θεματικοί όροι: 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

Συγγραφείς: Podjava, Antons

Συνεισφορές: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Θεματικοί όροι: Ķīmija, ķīmijas tehnoloģijas un biotehnoloģija

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

Διαθεσιμότητα: 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

Συγγραφείς: Podjava, Antons

Συνεισφορές: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Θεματικοί όροι: Ķīmija

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

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

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

Συγγραφείς: Podjava, Antons

Συνεισφορές: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Θεματικοί όροι: Ķīmija

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

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

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

Συγγραφείς: Podjava, Antons

Συνεισφορές: Mekšs, Pēteris, Latvijas Universitāte. Ķīmijas fakultāte

Θεματικοί όροι: Ķīmija, ķīmijas tehnoloģijas un biotehnoloģija, Ķīmija

Περιγραφή αρχείου: application/pdf

Σύνδεσμος πρόσβασης: https://dspace.lu.lv/dspace/handle/7/31314