1. O imenicama koje završavaju sufiksoidom -cidAndrea Šešum, 2025, other scientific articles Abstract: U bosanskom, hrvatskom i srpskom jezičkom standardu pojavljuju se riječi koje završavaju sufiksoidom -cid, koji je, ustvari, alomorf korijena -cid latinskih glagola caedo, 3., cecīdi, caesum, što znači sjeći, posjeći, udarati, šibati i occido, 3., occisi, occisum u značenju ubiti. U dosadašnjim lingvističkim istraživanjima sufiksalne tvorbe riječi nije postojao interes za analizom ovog sufiksoida, dok u slavenskim jezicima ne postoji unikatan domaći sufiks kojim bi se označilo ubijanje ili uništenje, pa je iz tog razloga započeo proces posuđivanja terminološke leksike. Cilj rada je: 1) Izdvojiti riječi koje završavaju sufiksoidom -cid u rječnicima triju standarda; 2) Definirati značenja onih riječi koje završavaju sufiksoidom -cid, a koje nisu dio postojećeg rječničkog fonda; 3) Utvrditi njihovu frekventnost u elektronskim korpusima na Clarin platformi. Ključne riječi: posuđenice, adaptacija, porijeklo riječi, hibridi, terminološka leksika
Published in DiRROS: 03.02.2026; Views: 204; Downloads: 88
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3. Tiered genotoxicity testing of enriched river water samples using zebrafish in vitro and in vivo models: a joint Danube Survey 4 case studyMargareta Kračun-Kolarević, Bojana Žegura, Katja Kološa, Jovana Jovanović Marić, Andrea Novaković, Peter Oswald, Martina Oswaldova, Jaroslav Slobodnik, Nikiforos Alygizakis, Momir Paunović, 2026, original scientific article Abstract: The increasing complexity of aquatic pollution, dominated by diverse and often uncharacterized chemical mixtures, challenges traditional monitoring approaches. In this study, we assessed the genotoxic potential of surface water samples collected during the Joint Danube Survey 4 (JDS4) using large-volume solid-phase extraction (LVSPE) combined with a comprehensive battery of bioassays. Twenty-three enriched water samples from the Danube River and its major tributaries were evaluated for genotoxicity using a tiered testing strategy comprising the SOS/umuC assay, zebrafish liver (ZFL) cell-based assays (cytotoxicity, comet assay, cell cycle), and zebrafish embryo assays. While no genotoxicity was detected in the prokaryotic SOS/umuC assay, ZFL assays revealed significant DNA damage in 16 out of 23 samples, with notable genotoxicity observed in samples from the middle Danube section. In contrast, no teratogenic effects were observed in zebrafish embryo assays at concentrations up to REF100. These findings demonstrate the superior sensitivity of ZFL cells compared to both prokaryotic and in vivo embryo models. The study also highlights a critical gap in available genotoxicity data for detected substances, emphasizing the need for standardized databases and testing frameworks. Overall, our results support zebrafish-based in vitro assays as effective tools for effect-based monitoring, providing early warnings of genotoxic pollution in complex aquatic environments.
Keywords: ZFL cell line, zebrafish embryos, cytotoxicity, genotoxicity, Danube River
Published in DiRROS: 28.01.2026; Views: 132; Downloads: 116
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4. Enhancing wood sample preparation for SEM imaging : a detailed study of epoxy resin impregnation, cutting, sanding, and polishing for fragile and heterogeneous samplesRožle Repič, Maks Merela, Andreja Pondelak, Andrijana Sever Škapin, 2026, original scientific article Abstract: Accurate characterization of wood microstructure requires high-quality sample preparation, especially for degraded, mineralized, or embedded samples. Through a detailed and systematic investigation, we suggest a simple, fast, and cost-effective method for preparing transverse surfaces of wood for scanning electron microscopy. The methodology used is easily accessible and simple. We compare traditional microtome cutting using both disposable blades and a fixed knife with sanding and polishing techniques. The choice of method is determined by the physical condition and structural characteristics of the sample. Disposable blades, when used with continuous moistening, yielded the best results for reference wood, while the fixed knife proved to be more effective for mineralized or epoxy-embedded samples due to their rigidity and resistance to deflection. Maintaining blade sharpness and surface moisture were critical in all cutting techniques. Polishing proved to be a particularly effective technique for the preparation of degraded, mineral-rich, or heterogeneous samples. In combination with epoxy embedding, it offers a practical alternative to microtome cutting, ensuring the protection of fragile structures, the long-term stability of samples, and the possibility of re-polishing. Epoxy impregnation was easy for degraded wood, while sprucewood required vacuum-pressure treatment. Care must be taken when polishing to avoid reaching non-embedded regions beneath the surface.
Keywords: epoxy resin impregnation, polishing and sanding, sample preparation, scanning electron microscopy, wood
Published in DiRROS: 27.01.2026; Views: 108; Downloads: 68
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5. DFOS-based monitoring of prestressed concrete bridge girders : preliminary resultsKleo Lila, Max Herbers, Bertram Richter, Andrea Agreiter, Maja Kreslin, Petra Triller, Andrej Anžlin, Werner Lienhart, Steffen Marx, 2025, published scientific conference contribution Abstract: Due to bridges’ critical role in transportation networks, the assessment and maintenance of existing bridges have become a priority. Prestressed concrete bridges constitute a significant portion of Europe’s transportation network, yet many no longer meet today’s technical requirements. This is primarily due to two factors: (i) the unforeseen increase in heavy goods traffic, and (ii) insufficient experience with early reinforced and prestressed concrete construction methods, coupled with inadequate regulations, which resulted in design weaknesses and structural deficiencies. One critical failure mechanism, identified when recalculating existing bridges based on updated guidelines, is insufficient shear load-bearing capacity, which has prompted the premature demolition of numerous bridges. A thorough understanding and rigorous monitoring of shear behavior is essential since neglecting this problem could lead to notable consequences, especially for aging infrastructure. In this paper, a distributed fiber optic sensor (DFOS) based monitoring system, inspired by shear detection concepts, is tested. A decommissioned prestressed concrete bridge girder was equipped with a DFOS grid, allowing for detailed monitoring of crack width, location, and shape. Preliminary test results confirm the successful installation and early detection of cracks, highlighting the system’s potential to identify microcrack formation, monitor crack growth, and support maintenance strategies.
Keywords: structural health monitoring, distributed fiber optic sensors, microcracking, crack growths, load testing, prestressed concrete
Published in DiRROS: 27.01.2026; Views: 131; Downloads: 68
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6. Smooth pursuit and memory saccades are impaired in early-stage Parkinson’s disease patientsZvonimir Popović, Tihana Gilman Kurić, Ines Rajkovača Latić, Sara Matosa, Luka Kusic, Andrea De Gobbis, Aleksander Sadikov, Vida Groznik, Dejan Georgiev, Svetlana Tomić, 2026, original scientific article Abstract: Introduction: Parkinson’s disease (PD) is a progressive neurodegenerative disease caused by degeneration of dopaminergic neurons in substantia nigra pars compacta (SNc). One of the most prevalent symptoms is eye movement impairment, presenting in 75% of PD patients, which have fragmented and hypometric smooth pursuit movements with prolonged latency. We aimed to investigate differences in smooth pursuit, reflexive, and memory-guided saccades and antisaccades between patients with early-stage PD and healthy controls.Methods: We conducted a cross-sectional study with idiopathic PD patients in early stage of disease (Hoehn and Yahr stage 0, 1 and 2) and healthy controls. The impairment of smooth pursuit, saccades, antisaccades, and memory-guided saccades was evaluated with eye-tracker analysis using a battery of tests.Results: Forty-two subjects with early-stage idiopathic PD and 50 healthy controls participated in the study. There were no statistically significant differences in age, gender, years of education, or cognition between the groups. Early-stage PD patients showed impairment in velocity, phase, and range of motion of smooth pursuit eye movements, as well as impaired precision and recollection performing visually guided memory saccades. Consequently, there is also a reading dysfunction, with slower reading speed and longer eye fixations. No significant differences were found regarding reflexive saccades and antisaccades between these two groups.Conclusion: Results suggest that impaired smooth pursuit movements, memory-guided saccades and reading functions are present in early-stage PD, even without other expressed motor symptoms. These findings could potentially contribute to the development of new and non-invasive diagnostic biomarkers in PD.
Keywords: biomarkers, early-stage, eye movements, Parkinson's disease, smooth pursuit
Published in DiRROS: 27.01.2026; Views: 106; Downloads: 64
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7. Stavba nekdanje Pedagoške akademije v MariboruFranci Lazarini, 2025, original scientific article Abstract: V prispevku je obravnavana stavba nekdanje Pedagoške akademije v Mariboru, v kateri danes delujejo njene naslednice Pedagoška fakulteta, Filozofska fakulteta in Fakulteta za naravoslovje in matematiko. Objekt, zgrajen med letoma 1975 in 1978 po načrtih arhitekta Branka Kocmuta, sodi v sam vrh slovenske modernistične šolske arhitekture, vendar pa so ga dosedanji raziskovalci večinoma spregledali. Stavba je predstavljena tako z arhitekturnega kot funkcionalnega vidika, posebej so izpostavljene njene kvalitete, ki so jih kasnejše nekontrolirane prezidave do neke mere zabrisale.
Keywords: Maribor, moderna arhitektura, 20. stoletje, Pedagoška akademija, Branko Kocmut
Published in DiRROS: 21.01.2026; Views: 183; Downloads: 86
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8. The border as a space of exchange in the 18th century : commissioners’ networks and Joseph Hueber’s architectural workshop in Croatia and SloveniaDubravka Botica, 2025, review article Abstract: In Central Europe, borders are not solid barriers but are rather fluid. Central Europe is a deeply connected cultural space of intensive exchange (M. Csáky) in which artistic production is shaped by densely intertwined mutual contacts and influences between individual countries and regions. This is particularly visible in the activities of large architectural, painting and sculptural workshops in the 18th century, which had a wide network of collaborators throughout the area. A key role in the rapid and far-reaching transfer of artistic solutions was played by the commissioners of artworks, both ecclesiastical and secular, strongly connected by a dense network of contacts that did not stop at (today’s national) borders. This paper studies the example of the activities of the architectural workshop of Joseph Hueber from Graz (1715–1787) in historical Styria, present-day Austria, and Lower Styria (present-day Slovenia) and northwestern Croatia to explore the method and scope of the workshop’s work, as well as the reconstruction of contacts between commissioners from the ranks of the Styrian, Hungarian and Croatian nobility.
Keywords: Central Europe, Styria, Slovenia, Croatia, Baroque architecture, borders, building workshops, Joseph Hueber, art patronage, the nobility
Published in DiRROS: 21.01.2026; Views: 209; Downloads: 88
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9. Changes in motor unit conduction velocity after unilaterallower-limb suspension and active recovery are correlated withmuscle ion channel gene expressionGiacomo Valli, Fabio Sarto, Francesco Negro, Elena Monti, Giuseppe Sirago, Matteo Paganini, Sandra Zampieri, Martino V. Franchi, Andrea Casolo, Julián Candia, Luigi Ferrucci, Marco Vincenzo Narici, Giuseppe De Vito, 2025, original scientific article Abstract: The effects of muscle disuse on the propagation of action potentials along motorunit (MU) muscle fibres, a key process for effective muscle activation and forcegeneration, remain poorly understood. The aim of this study was to investigate changesin action potential propagation and to identify biological factors influencing thesechanges following unilateral lower-limb suspension (ULLS) and active recovery (AR).Eleven young males underwent 10 days of ULLS followed by 21 days of AR involvingresistance exercise. Maximal force of the knee extensors (MVC), high-density surfaceEMG recordings and muscle biopsies of the vastus lateralis muscle were collectedbefore ULLS, after ULLS and after AR. EMG recordings collected during submaximalisometric contractions were decomposed to estimate single-MU conduction velocity(CV). Biopsies were used to measure muscle fibre diameters via histochemical analysisand ion channel transcriptomic profiles via mRNA sequencing. The MVC declined by29% after ULLS and returned to baseline after AR. MU CV decreased after ULLSand recovered fully, even exceeding baseline values after AR. Muscle fibre diametersdid not change across the interventions and showed no correlation with MU CV.Conversely, a feature importance analysis revealed that mRNA expression levels ofspecific ion channel genes, particularly those involved in K+ transport, were correlatedwith MU CV at baseline and across the interventions. This study highlights the crucialrole of K+ ion channels in influencing MU CV in humans, offering new insights into MUCV modulation and the mechanisms of changes in muscle force after disuse and activerecovery.
Keywords: ion channel, mRNA sequencing, muscle fibre diameter, muscle unloading, neuromuscular impairment
Published in DiRROS: 12.01.2026; Views: 137; Downloads: 87
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10. Optimising the structure of mesoporous niobium oxide using evaporation-induced self-assembly synthesis methodPeter Nadrah, Mateja Knap, Erika Švara Fabjan, Andraž Šuligoj, Urška Lavrenčič Štangar, Goran Dražić, Nataša Novak Tušar, Andrijana Sever Škapin, 2026, original scientific article Abstract: To increase the photocatalytic performance of Niobium(V) oxide (Nb2O5) it is necessary to increase its accessible surface area. The evaporation-induced self-assembly (EISA) synthesis method is well suited for the synthesis of mesoporous structures, but the optimisation of synthesis parameters for Nb2O5 is still limited. In this study, we demonstrate that the synthesis parameters — duration of evaporation, airflow rate, relative humidity and water content in the reaction mixture — significantly affect the specific surface area, mesoporous structure and photocatalytic performance of isopropanol oxidation into acetone of Nb2O5. Our results show that a combination of long evaporation duration, low airflow rate, low relative humidity and moderate water content are needed to obtain material with the highest specific surface area (145 m2 g−1) and a narrow hysteresis loop in the N2 sorption isotherm. This material exhibits four times higher photocatalytic activity compared to materials synthesised under less favourable conditions (14.3–17.7 μmol h−1 compared to 3.7 μmol h−1). We also show that the ordered mesoporous structure plays an important role in improving the photocatalytic performance: the materials with a higher degree of order exhibit about two times higher activity than the materials with a lower degree of order with the same specific surface area (10.4–12.1 μmol h−1 compared to 4.9–7.9 μmol h−1). These results provide valuable insights for optimising the synthesis of mesoporous niobium oxide to increase both the specific surface area and photocatalytic performance.
Keywords: Nb2O5, mesoporous material, evaporation-induced self-assembly, photocatalysis
Published in DiRROS: 12.01.2026; Views: 129; Downloads: 127
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