Přírodovědecká fakulta
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Sbírky fakulty / součásti
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GEOBIBLINE - plné texty [10555]
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Habilitační práce [79]
Habilitations -
Kvalifikační práce [19130]
Theses -
Kvalifikační práce obhajované před rokem 2006 [0]
Theses defended before year 2006
Poslední příspěvky
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Macromolecular avenues for the creation of bio-inspired hierarchically structured surfaces
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024Biomedical applications often rely on surface adherent architectures such as polymer brushes to prevent adverse nonspecific interactions between materials used in biomedicine and contacting biological fluids. Commonly, ... -
Magnetic nanoparticles with antibacterial properties: Synthesis, characterization and biological applications
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024In response to the escalating global threat of antibiotic resistance, innovative strategies are imperative. This thesis focuses on surface-engineered magnetic nanoparticles (MNPs) with potent antibacterial properties, ... -
KT/HAK/KUP High-affinity Transporters in Plants
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024Due to its essential role in plant metabolism and often low availability in the soil, sufficient potassium uptake and management are among the challenges plants face to survive in different environments. Since all potassium ... -
Modeling of biologically relevant lipid multilayers in the context of drug delivery
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 25. 4. 2024Understanding the topical drug delivery at basic physico-chemical and biophysical levels is still challenging. One of the main reasons is the specificity of the processes involved, depending on the delivery target. The ... -
Palaeoecological aspects and evolution of the Late Cretaceous oyster assemblages
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 25. 4. 2024The presented thesis explores the palaeoecological aspects of the evolution of the well-known fossil oyster genus Rhynchostreon Bayle, 1874, a significant representative of Cretaceous fauna. The study integrates sedimentological ... -
Vývoj hmotnostně-spektrometrických metod pro strukturní analýzu mastných kyselin a estolidů
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 23. 4. 2024(EN) This doctoral thesis summarizes the use of modern mass spectrometric methods for the structural identification of fatty acids and triacylglycerol estolides (TG-EST) and their subsequent characterization in the lipidome ... -
Development and utilization of electrochemical flow-through detectors
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 23. 4. 2024The proposed dissertation thesis deals with the development and investigation of electrochemical flow systems using both conventional and unconventional electrode materials. In the first part of this thesis, the problem ... -
Atomic fluorescence spectrometry with volatile species generation - a sensitive tool for ultra-trace elemental analysis
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 9. 5. 2024This thesis encompasses a development of innovative methodologies based on atomic fluorescence spectrometry, offering precise and sensitive determination of ultra-trace elements, such as bismuth, cadmium, and nickel. The ... -
Host Specialization and Evolution of Cuckoo Behavior in Bees
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 4. 2024Cuckoo bees are nest parasites of solitary and sometimes also social bee species. They do not build their own nests. Nor do they provision their larvae. Instead, they seek out a suitable host nest to lay their eggs in, and ... -
Study of the substrate specificity of the LACTB tumour suppressor enzyme
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2019)Datum obhajoby: 19. 9. 2019Serine beta-lactamase-like protein (LACTB) is a tumour suppressor that modulates mitochondrial lipid metabolism and induces differentiation of breast cancer cells. This is achieved by the LACTB-dependent downregulation of ... -
Ecology of bryophytes in post mining sites
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2023)Datum obhajoby: 22. 5. 2023Mining sites offer a mosaic of spoil heaps of different age, with diverse substrate characteristics. Especially problematic for vegetation development can be toxic spoil heaps with substrate from the Tertiary rocks ... -
Classification of global environmental systems according to the level of anthropogenic transformation
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024The topic of the doctoral thesis is the development of a comprehensive classification of global environmental systems based on a geographical synthesis of abiotic, biotic and anthropogenic factors. The dramatic changes in ... -
Changes in rainfall-runoff regime and biogeochemistry in headwater areas
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 26. 4. 2024Headwater areas are a very important current or potential drinking water source. Their ecological value for the whole ecosystem is equally important. Headwater areas are sites with minimal anthropogenic intervention and ... -
Lower Cretaceous belemnites (including J/K boundary interval) in the NW Tethys, biostratigraphy, palaeobiogeography and palaeoecology
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 25. 4. 2024This thesis deals with the belemnite fauna from the Outer Western Carpathians Klippen, its systematic classification, stratigraphical and palaeogeographical evaluation. The palaeontological/palaeobiological approach, ... -
Molekulárně-genetická analýza karcinomů štítné žlázy u dětských a dospívajících pacientů
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 4. 2024Thyroid nodules are rare in pediatric and adolescent patients, but they are at greater risk of malignancy than adult patients. Thyroid carcinomas are the most common endocrine malignancy and their incidence is increasing. ... -
Studying the dynamics of gene expression and the role of NAC complex in male gametophyte development
Výsledek obhajoby: OBHÁJENO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 22. 3. 2024This Ph.D. thesis presents a comprehensive study of gene expression regulation within the male gametophyte development focusing on transcriptional, translational, and post- translational levels. The research introduces an ... -
Evolution of Host Specialisation, Phylogeography and Taxonomic Revision of Xenidae (Strepsiptera)
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2023)Datum obhajoby: 19. 12. 2023Twisted-winged parasites (Strepsiptera: Xenidae) are an excellent group for studying the specialisation of parasites on hosts. Their parasitic lifestyle led to the evolution of numerous morphological, behavioural, ... -
Hydrofilná interakčná kvapalinová chromatografia v analýze intaktných glykopeptidov
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 29. 4. 2024The analysis of glycoproteins represents a significant challenge in glycoproteomics, primarily due to the macro- and microheterogeneity of protein glycosylation. Hydrophilic interaction liquid chromatography (HILIC) is a ... -
Structural studies of an abasic site DNA damage repair and DNA interstrand cross-link formation
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 23. 4. 2024DNA damage refers to any alteration or modification in the DNA structure that deviates from its natural state. Abasic site (Ap site) is one of the most common DNA lesions resulting from spontaneous depurination/depyrimidination ... -
Relationship between perceptual and structural variation of human faces: cross-cultural comparison
Výsledek obhajoby: UZNÁNO(Univerzita Karlova, Přírodovědecká fakulta, 2024)Datum obhajoby: 15. 4. 2024ONDŘEJ PAVLOVIČ RELATIONSHIP BETWEEN PERCEPTUAL AND STRUCTURAL VARIATION OF HUMAN FACES: CROSS- CULTURAL COMPARISON ABSTRAKT The perception of facial features is a fundamental aspect of human culture, influencing daily ...
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