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Hidrothermal topochemical conversion of Bi4Ti3O12 nanoplatelets for formation of functional heterostructural perovskite titanates

Author(s): Alja Čontala (Author), Marjeta Maček Kržmanc (Supervisor)

Year: 2023

Type: Doctoral dissertation

In the view of designing new nanostructured materials and tailoring their functional properties, understanding the nucleation and crystal growth mechanisms is becoming increasingly important. Nowadays, one of the most addressed scientific and social problems are those facing energy shortage and global warming. People started to realize the value and importance …

Cathepsin cleavage of epidermal growth factor receptor (EGFR) affects signaling pathways of cancer cells

Author(s): Marija Grozdanić (Author), Marko Fonović (Supervisor)

Year: 2023

Type: Doctoral dissertation

Epidermal growth factor receptor (EGFR) belongs to the ErbB family of receptor tyrosine kinases and plays an essential role in cell differentiation, migration, proliferation, and metabolism. Alterations in EGFR signalling were found in a number of cancers like lung, breast, colorectal cancer and gliomas, shown to be more aggressive and …

Influence of temperature on the hydration of belite-calcium sulfoaluminate cements

Author(s): Maruša Mrak (Author), Sabina Dolenec (Supervisor), Nina Daneu (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

In this doctoral thesis influence of different temperatures (5 °C - 60 °C) on the hydration of belite-ye’elimite-ferrite cement was studied. Fluctuations in temperature can cause changes in the phase assemblage, kinetics of hydration and mechanical properties. Besides temperature, other factors such as the cement clinker phase composition, calcium sulfate …

Development of sensitive electrochemical sensor for detection of gaseous H2O2

Author(s): Jelena Isailović (Author), Samo B. Hočevar (Supervisor)

Year: 2023

Type: Doctoral dissertation

In recent decades, hydrogen peroxide (H 2 O 2 ) has attracted considerable attention as a n omnipresent analyte, finding applications in clinical studies/diagnos is , biology, environmental protection, atmospheric studies, homeland security, and various analytical methodologies . This dissertation provides valuable insights into three different types of electrochemical sensors …

Autonomous generation of robot behaviour for effective task execution

Author(s): Zvezdan Lončarević (Author), Andrej Gams (Supervisor)

Year: 2023

Type: Doctoral dissertation

The pursuit of autonomous robot learning is aimed at enabling robots to seamlessly integrate into our daily lives, enhancing our efficiency and convenience. On the other hand, in the industrial sector, autonomous robot learning plays a vital role in keeping up with the rapidly evolving market demands. As products and …

Licit and illicit drugs in waste- and environmental waters: epidemiological and environmental implications

Author(s): Taja Verovšek (Author), Ester Heath (Supervisor)

Year: 2023

Type: Doctoral dissertation

The analysis of drug residues in waste and environmental waters offers valuable insights into the epidemiological and environmental implications of drug use. This study employs a wastewater-based epidemiology (WBE) approach to estimate the use of licit and illicit drugs and new psychoactive substances (NPS) among both general and specific populations. …

Demand forecasting with machine learning methods

Author(s): Jose Martin Rožanec (Author), Dunja Mladenić (Supervisor), Blaž Fortuna (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

This thesis examines how machine learning can be applied in demand forecasting. In particular, it describes a novel approach toward lumpy and intermittent demand forecasting. It advocates using a two-fold model for forecasting lumpy (irregular demand occurrence, strong demand size variability) and intermittent (irregular demand occurrence, little demand size variability) …

Characterization of Spirulina microalgae as a new alternative food source

Author(s): Jasmina Masten Rutar (Author), Nives Ogrinc (Supervisor), Polona Jamnik (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

A reduction in agricultural productivity associated with water scarcity and land degradation, combined with the growing world population and malnutrition highlights the need for new alternative food sources. In this challenging field, Spirulina microalgae emerges as a promising candidate thanks to its high nutritional value and beneficial effect on human …

Topology-induced phenomena and caloric effects in condensed matter

Author(s): Dejvid Črešnar (Author), Zdravko Kutnjak (Supervisor), Brigita Rožič (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

The first part of the thesis deals with the impact of surface-functionalized nanoparticles (NP) can have on the stability of liquid crystal (LC) phases. Experimental data of NP concentration-driven phase transition between the isotropic and nematic phase in 5OO8 LCs were used to create a minimal mathematical model that would …

Surface modifications of cellulose nanomaterials: mechanisms, kinetics and their applications

Author(s): Ana Oberlintner (Author), Uroš Novak (Supervisor), Blaž Likozar (Co-Supervisor)

Year: 2023

Type: Doctoral dissertation

Synthesized in green plants, cellulose is the most abundant natural biopolymer on the planet and is thus widely available, cheap and renewable. Furthermore, its hierarchical structure allows extraction of nanosized particles in the form of cellulose nanocrystals (CNCs), obtained with hydrolysis or cellulose nanofibrils (CNFs), isolated through chemical, biological pretreatment …