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Latvijas simtgade kā valsts tēla veidošanas līdzeklis
2019
Maģistra darbā “Latvijas simtgade kā valsts tēla veidošanas līdzeklis” tiek pētīts jautājums, vai un kā Latvijas simtgades publiskās diplomātijas pasākumu kopums ietekmē Latvijas tēla veidošanos. Pēc veikto pētījumu par Latvijas tēlu izpētes, tika secināts, ka trūkst pētījumu un tajos padziļinātas izpratnes par valsts tēla un zīmola veidošanu un abu terminu būtiskajām atšķirībām, kā arī zīmolvedības koncepta nozīmi attiecībā pret valsts tēla veidošanu. Līdz ar to nav bijis pētījumu par valstiski nozīmīgu pasākumu kopuma – publiskās diplomātijas – ietekmi uz valsts tēlu. Latvija oficiāli neveic mediju monitoringu ārzemēs un neizvērtē, kā konkrēts notikumu kopums ietekmē valsts tēlu, tāpēc ir…
Purification and partial characterization of aminopeptidase from barley (Hordeum vulgare L.) seeds.
2013
Aminopeptidases (EC 3.4.11) are proteolytic enzymes, which hydrolyze one amino acid from N-terminus of peptidic substrates. Inhibitors of plant aminopeptidases can find an application in agriculture as herbicides. Isolation and partial characterization of aminopeptidase from barley (Hordeum vulgare L.) seeds has been described. The enzyme was purified to molecular homogeneity using a six-step purification procedure (precipitation with (NH4)2SO4, followed by chromatography on Sephadex G-25, DEAE-Sepharose, Sephacryl HR 300, Macro-Prep Q and Phenyl-Sepharose HP columns). The enzyme was purified 365-fold with recovery above 18%. The molecular weight of the purified enzyme was determined by SDS…
Optimizing management to enhance multifunctionality in a boreal forest landscape
2017
The boreal biome, representing approximately one-third of remaining global forests, provides a number of crucial ecosystem services. A particular challenge in forest ecosystems is to reconcile demand for an increased timber production with provisioning of other ecosystem services and biodiversity. However, there is still little knowledge about how forest management could help solve this challenge. Hence, studies that investigate how to manage forests to reduce trade-offs between ecosystem services and biodiversity are urgently needed to help forest owners and policy makers take informed decisions. We applied seven alternative forest management regimes using a forest growth simulator in a la…
Longitudinal associations between teacher-child interactions and academic skills in elementary school
2017
This study examined the extent to which the quality of teacher-child interactions assessed in kindergarten (6-year-olds) is associated with children's reading and math development across the elementary school years. The sample consisted of 515 Finnish children (271 boys, 244 girls). Teacher-child interactions were observed in 49 kindergarten classrooms. The findings from the latent growth curve models showed that high-quality teacher–child interactions in kindergarten were positively associated with the initial levels of reading and math skills. Furthermore, the results indicated that high-quality teacher-child interactions in kindergarten were positively associated with children's academic…
Kapitālsabiedrību pārvaldes institūciju lēmumu pieņemšana ārpus sabiedrības juridiskās adreses administratīvās teritorijas
2019
Pētījuma ietvaros tiek veikta izpēte par kapitālsabiedrību pārvaldes institūciju lēmumu pieņemšanu ārpus šo sabiedrību juridiskās adreses administratīvās teritorijas, it īpaši gadījumos, ja pārvaldes institūcijas subjekts piedalās sapulcē vai sēdē ar elektronisko saziņas līdzekļu starpniecību. Pētījuma ietvaros tiek analizēta arī juridiskās adreses izpratne Latvijas Republikas tiesību sistēmā un tās regulējuma ietekme uz kapitālsabiedrību pārvaldes institūciju sapulču un sēžu organizēšanu. Darba mērķis ir analizēt gadījumus, kad kapitālsabiedrības pārvaldes institūcijas pārstāvis piedalās sapulcē vai sēdē attālināti, kā arī izprast kapitālsabiedrības juridiskās adreses ietekmi uz šo procesu…
Sexual Satisfaction and Quality of Life in Cardiovascular Patients: The Mediating Role of Anxiety
2023
Background: Cardiovascular diseases represent one of the most important problems for public health. Research indicates that elderly patients consider sexual satisfaction as a fundamental aspect of their quality of life and a better sexual function is related to higher general wellbeing. Objective: The main objective of this study was to investigate the mediating role of anxiety and depression in the relationship between quality of life and sexual satisfaction in cardiovascular (CVD) patients. Methods: The sample comprised 128 adult patients, males and females, hospitalized in a Cardiology Rehabilitation clinical center. To collect data, the following were used: a demographic information she…
Differential detection and quantification of cyclic AMP and other adenosine phosphates in live cell
2017
A new naphthol-based rhodamine derivative (NpRD) has been developed for the selective and differential detection of adenosine 3′,5′-cyclic monophosphate (cAMP) and adenosine phosphates (APs) (ATP, ADP, and AMP) from other nucleotides. The simple detection and quantification of cAMP in human blood cells and in other samples based on the ‘turn on’ fluorescence properties of this chemosensor through colorimetry or fluorometry makes it unique for probable application in high throughput screening. peerReviewed
Evolutionary trade-offs in a small mammal : a quantitative genetics approach
2017
Limited resources force individuals to trade-off between life-history traits. A vast diversity of life-history strategies, which optimally combine life history traits, can be found. Knowledge of the genetic basis of this phenotypic variation is key to understanding evolutionary processes. I approached life-history evolution by estimating quantitative genetic parameters for a set of life-history traits in the bank vole (Myodes glareolus). The work is based on a laboratory-kept colony subjected to two-way selection for litter size (High- (H) and Low- (L) lines). Costs of the created reproductive strategies were observed in natural conditions. Selection increased the difference in litter size …
Queer Crossings. Teories, Bodies, Texts
2012
Didáctica de las ciencias experimentales y sociales
2003
Resumen basado en la publicación Este artículo trata sobre el científico británico Robert Boyle. En la primera parte del escrito se habla sobre que los historiadores de la ciencia, analizando los propios documentos de Boyle, han puesto de manifiesto como precedentes los trabajos de otros científicos, entre ellos: Evangelista Torricelli, Edmé Mariotte, Blaise Pascal, Henry Power, Richard Townley y William Croonelli, que contribuyeron, e incluso predijeron, la formulación de la conocida ley de Boyle. Sin embargo, ninguno de ellos fue capaz de anticiparse a la publicación de la misma, menos aún con la precisión, meticulosidad experimental, detalle y exactitud que la conseguida por Boyle, quien…