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Quantitative imaging of cisplatin in tumour samples by laser ablation inductively coupled plasma mass spectrometry

Author(s): Stefan Marković (Author), Janez Ščančar (Supervisor), Janja Vidmar (Co-Supervisor)

Year: 2022

Type: Doctoral dissertation

Medicine relies on imaging techniques such as ultrasound, magnetic resonance, computed tomography and histopathological image analysis because they provide valuable data needed for the diagnosis and treatment of diseases and injuries. Laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) is often used in research and for the advanced diagnosis and …

Mechanisms and Effect of Deep Cryogenic Treatment on Steel Properties

Author(s): Patricia Jovičević Klug (Author), Bojan Podgornik (Supervisor)

Year: 2022

Type: Doctoral dissertation

Deep cryogenic treatment (DCT) is a type of cryogenic treatment, during which a material is subjected to temperatures below −160 °C. When a metallic material is modified with DCT, changes occur down to the nanoscopic level. DCT induces microstructural changes such as grain size refinement, formation of new grains, movement …

The role of cystatin C in inflammatory response

Author(s): Monika Biasizzo (Author), Nataša Kopitar-Jerala (Supervisor)

Year: 2022

Type: Doctoral dissertation

Innate immune system acts as the first line of defence to protect the host against pathogens. The regulation of immune system and inflammatory response is crucial since dysregulated or sustained inflammation leads to pathological conditions, septic shock and tissue damage. Macrophages are innate immune cells that sense pathogens with pattern …

Mechanisms for colloidal stabilization of magnetic nanoplatelets

Author(s): Patricija Hribar Boštjančič (Author), Alenka Mertelj (Supervisor), Darja Lisjak (Co-Supervisor)

Year: 2022

Type: Doctoral dissertation

The dissertation presents a study of the colloidal stabilization of ferrimagnetic barium hexaferrite nanoplatelets in various isotropic and nematic media for the preparation of ferromagnetic fluids. Colloidal stability is the most important requirement to obtain a ferromagnetic liquid of barium hexaferrite nanoplatelets that exhibits spontaneous magnetization in the absence of …

Development and application of a non-targeted screening workflow for chemical exposure assessment in human biomonitoring and related studies

Author(s): Žiga Tkalec (Author), Tina Kosjek (Supervisor)

Year: 2022

Type: Doctoral dissertation

Human exposure to environmental stressors is widespread. Highly dynamic, these chemical, physical and social factors, collectively termed as the exposome, interact with internal factors such as genetics, sex, gut microbiome and general health status, and dictate susceptibility and risk for an onset of diseases. Human exposure to the chemicals is …

Chirality and nanoparticles enforced stabilization of topological defects in liquid crystals

Author(s): Apparao Gudimalla (Author), Samo Kralj (Supervisor), Sabu Thomas (Co-Supervisor), Brigita Rožič (Co-Supervisor)

Year: 2021

Type: Doctoral dissertation

Of our main interest in this work is the stabilization of assemblies of topological defects (TDs) in liquid crystals (LCs). Due to the topological origin of TDs, the physics of defects is of interest for all branches of physics, including condensed matter systems, particle physics, and cosmology. LCs represent an …

Freeze casting of hierarchically structured highly porous γ-Al2O3 monoliths

Author(s): Hermina Hudelja (Author), Andraž Kocjan (Supervisor)

Year: 2021

Type: Doctoral dissertation

Highly porous ceramic γ‒Al2O3 monoliths are important in many applications, e.g., catalysis, thermal insulation and adsorption, yet they still have a lot of unrecognized potential. There is a lot of incentive to employ simple and green fabrication processes for the preparation of such porous ceramic materials; however, many challenges, especially …

Processing of heavy-rare-earth-lean Nd-Fe-B permanent magnets for high-temptrature applications

Author(s): Matic Korent (Author), Kristina Žagar Soderžnik (Supervisor), Spomenka Kobe (Co-Supervisor)

Year: 2021

Type: Doctoral dissertation

Permanent magnets are materials that generate a magnetic field in free space without electricity or other external energy sources. They are essential components of modern technologies, used in many electrical devices. Nowadays, they are included in technology for renewable sources of energy, such as electrical vehicles, generators and wind turbines. …

Optical emission spectroscopy as a tool for monitoring cold atmospheric pressure plasma processes

Author(s): Andrea Jurov (Author), Uroš Cvelbar (Supervisor), Nataša Hojnik (Co-Supervisor)

Year: 2021

Type: Doctoral dissertation

Non-equilibrium atmospheric pressure plasmas are used in many areas, such as food and agriculture, plasma medicine, plasma surface modification, material synthesis and deposition. Because of their versatility, many plasma setups have been developed. Of greater interest are those that operate at atmospheric pressure, like atmospheric pressure plasma jets (APPJs). Regarding …

Diversity, ecology and sensing of the toxic diatom Pseudo-Nitzschia in the Gulf of Trieste: doctoral disertation

Author(s): Timotej Turk Dermastia (Author), Patricija Mozetič (Supervisor), Andreja Ramšak (Co-Supervisor)

Year: 2021

Type: Doctoral dissertation

This work focuses on a group of diatoms, belonging to the genus Pseudo-nitzschia, which is a globally important phytoplankton genus. Some species of the genus produce the toxin domoic acid, which is responsible for shellfish intoxication known as the amnesic shellfish poisoning (ASP). These diatoms have few morphological features that …