Found 652 entries
Selected publications
11.11.2020 14:00 Content
–306 Athavale R., Kokorite I. , Dinkel C., Bakker E., Wehrli B., Crespo G.A., Brand A. 2015. In-situ ammonium profiling using solid contact ion selective electrodes in eutrophic lakes. Anal.Chem., 87 (24): 11990–11997 Klavina L., Springe G., Nikolajeva V., Martsinkevich I., Nakurte I., Dzabijeva D., Steinberga I. 2015. Chemical composition analysis, antimicrobial activity and cytotoxicity screening of moss extracts (moss phytochemistry). Molecules, 20(9), 17221-17243. Uzule L. 2015. Macrophyte vegetation assessment in streams of the Venta river basin district. Acta Biol. Univ. Daugavp., 15 (1): 191 – 200 Dahl K., Josefson A.B., Göke C., Christensen J.P.A., Hansen J.L., Markager S., Rasmussen M.B., Dromph K., Tian T., Wan Z., Krämer I., Viitasalo M., Kostamo K., Borenäs K., Bendsten J., Springe G., Bonsdorf E. 2013. Climate Change Impacts on Marine Biodiversity and Habitats in the Baltic Sea–and Possible Human Adaptations.Coastline Reports, 1. Jēkabsone J., Uzule L. 2014. Assessment
Prototipa ierīču izstrāde neinvazīvam ādas stāvokļa novērtējumam
02.10.2020 15:07 Content
recording device – 1. 01.01.2018 – 31.03.2018 Worked on the development and improvement of the multispectral device Skimager according to the project. A new Skimager LED ring has been created - I have performed measurements of the radiation stability of the previously developed LED ring. The results were different for each wavelength, with a tendency to decrease in intensity during the first five seconds. The main difference will be that the new one will be made of 1.5mm aluminum plate. This would significantly improve the thermal output from the LEDs. A technically complex design work has been performed to develop such an diode aluminum ring. Skimager body - worked on body improvements. Work has been done on supplementing the Skimager electronics board - all nodes of the developed circuit boards have been tested and the revealed shortcomings have been accounted for and improvements have been made. Various nodes are changed and the board drawing is improved. Skimager software enhancements
Planned activities and achieved results of the project
29.03.2020 17:16 Content
contacts developed. Interaction with water molecules in relative humidity level 5-80 % determined, resistive switching in nanowires explained by water adsorption on the surface of nanowires. 9. Organization of Eironanoforum 2015 In cooperation with all NRP performers and EU Program Horizon 2020 Euronanoforum 2015 with 1000-1500 participants will be organized in 2015. Nanotechnology promotion activities and an exhibition on nanotechnology achievements in Latvia will be organized in the frames of Euronanoforum 2015. In cooperation with all NRP performers and EU Program Horizon 2020 Latvian presidency in EU Council event international Conference “Euronanoforum 2015”with 1100 participants organized in 2015. Nanotechnology promotion activities (lectures, demonstrations) in schools of Latvia organized. An exhibition on nanotechnology achievements wordwide including Latvia organized in the frames of Euronanoforum 2015. Free access
In 2015
08.07.2020 17:50 Content
patronage of the University of Latvia"Exigen Services Latvia", students and lecturers of the UL Faculty of Lawalready have the opportunity to use the legal database "Regulatory Act Information System" (www.nais.lv) free of charge in daily study and research work, which provides convenient and fast access to all legal acts of the Republic of Latvia and Riga Municipality and their consolidated versions, as well as international documents binding on Latvia. The Nais.lv service will be available until December 31, 2017. The amount of donation:EUR 3,049.20. Thank you! 3 rd conference in project management at UL Faculty of Business, Management and Economics 2015 The aim of the conference is to discuss the results of scientific research on project management issues, to establish new contacts and cooperation networks between professionals involved in project management, as well as to improve capacity among project managers. 4 th International Scientific Conference "Project Management Industry
In 2014
08.07.2020 18:40 Content
investment of the patronJānis Priedkalns. Latvian UniversitiesComputer Science (Informatics) Bachelor's and Master's Thesis Competition The main goal of the Latvian UniversitiesBachelor's and Master's thesis competition is to support the interest of computer science students in research and to motivate students to develop high-quality, innovative bachelor's and master's theses, thus promoting the quality level of scientific works in the IT sector. This competition was previously implemented by Exigen Services Latvia for several years, but since 2010 the competition has been organized by the ULFoundation in cooperation with IT companies. The total prize fund in 2014 in the amount of EUR 7,600 is provided by "Exigen services Latvia" and "Accenture Latvia", this year also the supervisors of the best works will receive a scholarship in the amount of EUR 500. Programmer's Day 2014 (Lady Lovelace Prize) Students and lecturers of all Latvian higher education IT study programs, IT industry
Scientific publications
11.12.2023 16:21 Content
Internationally cited publications Scientific articles published in global citation index lists (PubMed, Scopus, Web of Science, Google Scholar, etc.) 1. Ferro, A., Morais, S., Pelucchi, C., Dierssen-Sotos, T., Martín, V., López-Carrillo, L., Malekzadeh, R., Tsugane, S., Hamada, G.S., Hidaka, A., Hernández-Ramírez, R.U., López-Cervantes, M., Zaridze, D., Maximovitch, D., Pourfarzi, F., Zhang, Z., Yu, G., Pakseresht, M., Ye, W., Plymoth, A., Leja, M., Gasenko, E., Derakhshan, M., Negri, E., Vecchia, C.L., Peleteiro, B., & Lunet, N. (2019). Sex differences in the prevalence of Helicobacter pylori infection: an individual participant data pooled analysis (StoP Project). European Journal of Gastroenterology & Hepatology, 31, 593–598. 2. Mochalski P, Shuster G, Leja M, Unterkofler K, Jaeschke C, Skapars R, Gasenko E, Polaka I, Vasiljevs E, Shani G, Mitrovics J, Mayhew CA, Haick H. Non-contact breath sampling for sensor-based breath analysis. J Breath Res. 2019 Apr 1
Regulations for the use of the Library of the UL
25.08.2023 14:19 Content
Appendix APPROVED by the UL Order No. 1-4/9 of 07.01.2021 ​​​​1. General Provisions 1.1. Conditions (hereinafter – the Conditions) of Use of the University of Latvia Library (hereinafter – the Library) lay down the order, whereby the Library as a generally accessible national library delivers services, provides access to its stock, the use of its information resources, databases and systems, registration procedure, as well as the rights and obligations of its users. 1.2. The Library users are obliged to acquaint themselves with the Conditions prior to registration or renewed registration. 1.3. The Conditions are circulated in all the sectoral branches of the Library, in the UL Information System (hereinafter – LUIS) and on the University of Latvia (hereinafter – the UL) website (hereinafter – ( www.lu.lv ). 1.4. The Library user (hereinafter – the user) may be any natural or legal person who uses the Library’s services, without a fee, on the lending basis, draws upon
2015
03.04.2023 15:52 Content
-0023 Meija R., Kosmaca J., Jasulaneca L., Petersons K., Biswas S., Holmes J.D., Erts D. Electric current induced modification of germanium nanowire NEM switch contact. Nanotechnology 2015, 26, 195503, 10.1088/0957-4484/26/19/195503 Grigorjeva L., Kinens A., Jirgensons A. Unsaturated syn - And anti -1,2-amino alcohols by cyclization of allylic bis-trichloroacetimidates. Stereoselectivity dependence on substrate configuration. Journal of Organic Chemistry 2015, 80, 920-927, 10.1021/jo502404y Brangulis K., Jaudzems K., Petrovskis I., Akopjana I., Kazaks A., Tars K. Structural and functional analysis of BB0689 from Borrelia burgdorferi, a member of the bacterial CAP superfamily. Journal of Structural Biology 2015, 192, 320-330, 10.1016/j.jsb.2015.09.007 Tamm Y., Jansone I., Zute S., Jakobsone I . Genetic and environmental variation of barley characteristics and the potential of local origin genotypes for food production. Proceedings of the Latvian Academy of Sciences, Section B: Natural
Ilgtspējīgas tehnoloģijas attīstība elektronikas lūžņu pārstrādei dārgmetālu un krāsaino metālu atgūšanai
30.11.2023 11:18 Content
with a particle size < 90 µm were used as the object of study. Reporting period:01.03.2023. - 31.05.2023 01.06.2023 The kinetics of leaching of noble metals and non-ferrous metals in a hydrochloric acid electrolyte solution (CHCl=6M) at an alternating current density i=0.8 A/cm2 from a raw material fraction with d <90 μm and a non-conductive part content of ⁓60% obtained in a disintegrator during the double grinding process was studied. Preparation of the report "Effect of the degree of dispersion of raw materials and the volume ratio of the electrolyte on the extraction process". The influence of the PCB powder insertion method (in the form of a dispersed phase and in contact with graphite electrodes) on the efficiency of metal leaching from the raw material mass with a particle size of 355-710 µm and a non-conductive fraction content of ⁓ 15 wt% in an electrolyte solution (CHCl=6 M) was investigated. Preparation of the report "The influence of technical parameters on the extraction
2020
03.04.2023 15:54 Content
Bērziņš, A ., Kons, A., Saršūns, K., Belyakov, S., Actiņš, A . On the rationalization of formation of solvates: Experimental and computational study of solid forms of several nitrobenzoic acid derivatives. Crystal Growth and Design 2020, 20, 5767-5784, 10.1021/acs.cgd.0c00331 Saršūns, K., Bērziņš, A., Rekis, T . Solid Solutions in the Xanthone-Thioxanthone Binary System: How Well Are Similar Molecules Discriminated in the Solid State?. Crystal Growth and Design 2020, 20, 7997-8004, 10.1021/acs.cgd.0c01241 Ramata-Stunda, A., Valkovska, V., Borodušķis, M., Livkiša, D., Kaktiņa, E., Silamiķele, B., Borodušķe, A., Pentjušs, A., Rostoks, N. Development of metabolic engineering approaches to regulate the content of total phenolics, antiradical activity and organic acids in callus cultures of the highbush blueberry (Vaccinium corymbosum l.). Agronomy Research 2020, 18, 1860-1872, 10.15159/AR.20.054 Saršūns, K., Bērziņš, A . Prediction of solid solution formation among chemically
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