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11 - 20 / 2000
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11.
12.
Recent advancements in the development of Two-Dimensional nanostructured based anode materials for stable power density in microbial fuel cells
Raghuraj S. Chouhan, Sonu Gandhi, Suresh Kr. Verma, Ivan Jerman, Syed Baker, Marko Štrok, 2023, review article

Abstract: The demand for alternative energy sources from non-recyclable waste materials will be a hot research topic in future industries. This interest is primarily due to the ability to harness energy from waste materials, the provision of localized power solutions, and the promotion of efficient power conversation. In this respect, Microbial Fuel Cells (MFC) represent new energy sources possessing unique qualities for many applications. MFC generates power by utilising exoelectrogens forming the biofilm on the surface of the anode. Since in the MFC, wastewater is primarily converted into protons and electrons at the anode surface, where biofilms typically develop, the anode becomes the most vital component. Consequently, significant research has been conducted on anode material to improve MFC performance. The present review focuses on different aspects of the MFC, including a comprehensive summary of the recent developments in the field of MFCs, including a state-of-the-art literature review based on a bibliometric analysis using keywords, a description of the mechanism and operational principle of MFC, applications and a summary of current research perspectives including the use of carbon nanotubes, graphene, graphitic carbon nitride, MXene, and their nanocomposites as anode materials with stable power density performance. Lastly, we present the challenges and future perspectives regarding the continued development of MFC anode materials, culminating in overall conclusions related to MFC research.
Keywords: microbial fuel cells, 2D nanomaterial, power density, nanocomposite, Anode
Published in DiRROS: 16.12.2025; Views: 2; Downloads: 1
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13.
Stomach cancer elective surgery morbidity and mortality at 90-Day (Hold Study) : a prospective, international collaborative cohort study
Claudia Neves-Marques, Mohamed Abulazayem, Geoffrey Yuet Mun Wong, Ricardo David Maldonado, Yirupaiahgari Viswanath, Jan Grosek, Jurij Aleš Košir, 2026, original scientific article

Abstract: Background: Data on multinational 90-day mortality and morbidity rates after surgery for gastric cancer is limited in the literature. This study aimed to understand the 90-day mortality and morbidity outcomes among patients undergoing elective gastric cancer surgery, as in the GASTRODATA Registry, and to identify associated risk factors. Methods: We conducted an international prospective study on patients aged ≥ 18 years undergoing elective surgery for gastric cancer with curative intent from January 4 to September 30, 2022. Known metastatic disease, concurrent secondary cancers, gastrointestinal stromal tumour (GIST) and Siewert type I/II oesophagogastric junction malignancies were excluded. Univariate and multivariate logistic regression were used to identify variables associated with the 90-day outcome. Results: 380 collaborators from 47 countries submitted data on 1538 patients. Median age was 65 years (IQR: 19–94), and 58.5% were males. 90-day morbidity and mortality rates were 38.2% (n = 587) and 2.9% (n = 45), respectively. Pre-operative higher Charlson Comorbidity Index, higher ASA score, pre-operative weight loss > 10%, positive specimen margin, and post-operative pathological IV staging (p value < 0.05) were significantly associated with clinically relevant complications and mortality. Conclusion: Elective gastric cancer surgery has a 90-day morbidity of 38.2% and a 90-day mortality of 2.9% globally. This study provided the most comprehensive international 90-day prospective data to date regarding gastric cancer surgery. Several factors associated with higher morbidity were identified, highlighting the importance of a unified language on surgical morbidity, prehabilitation, and ongoing audits to enhance patient outcomes.
Keywords: gastric cancer, elective surgery, morbidity, mortality, 90-day postoperative outcomes, multinational audit, surgical complications, anastomotic leaks, patient safety
Published in DiRROS: 16.12.2025; Views: 1; Downloads: 0
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14.
Natural flavonoid pectolinarin computationally targeted as a promising drug candidate against SARS-CoV-2
Mukta Rani, Raghuraj S. Chouhan, Rajesh K. Singh, 2024, original scientific article

Abstract: Coronavirus disease-2019 (COVID-19) has become a global pandemic, necessitating the development of new medicines. In this investigation, we identified potential natural flavonoids and compared their inhibitory activity against spike glycoprotein, which is a target of SARS-CoV-2 and SARS-CoV. The target site for the interaction of new inhibitors for the treatment of SARS-CoV-2 has 82% sequence identity and the remaining 18% dissimilarities in RBD S1-subunit, S2-subunit, and 2.5% others. Molecular docking was employed to analyse the various binding processes used by each ligand in a library of 85 natural flavonoids that act as anti-viral medications and FDA authorised treatments for COVID-19. In the binding pocket of the target active site, remdesivir has less binding interaction than pectolinarin, according to the docking analysis. Pectolinarin is a natural flavonoid isolated from Cirsiumsetidensas that has anti-cancer, vasorelaxant, anti-inflammatory, hepatoprotective, anti-diabetic, anti-microbial, and anti-oxidant properties. The S-glycoprotein RBD region (330–583) is inhibited by kaempferol, rhoifolin, and herbacetin, but the S2 subunit (686–1270) is inhibited by pectolinarin, morin, and remdesivir. MD simulation analysis of S-glycoprotein of SARS-CoV-2 with pectolinarin complex at 100ns based on high dock-score. Finally, ADMET analysis was used to validate the proposed compounds with the highest binding energy.
Keywords: coronaviruses, SARS-CoV-2, S-glycoproteins, computational analysis
Published in DiRROS: 16.12.2025; Views: 3; Downloads: 4
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15.
Child-parent cascade screening for familial hypercholesterolemia in Slovenia : insights from the pilot program
Jaka Šikonja, Kaja Kobale, Jan Kafol, Barbara Čugalj Kern, Matej Mlinarič, Ana Drole Torkar, Jernej Kovač, Matija Cevc, Zlatko Fras, Tadej Battelino, Urh Grošelj, 2025, original scientific article

Abstract: Background and aims: Cascade familial hypercholesterolemia (FH) screening of parents could reduce the burden cardiovascular disease (CVD) in relatives of index cases by enabling timely diagnosis of FH. Here, we present the positive outcomes of the pilot child-parent cascade screening program in Slovenia. Methods: One hundred and thirty-eight parents from 123 families of an index child with genetically confirmed FH were randomly included in the pilot child-parent cascade screening program. Index children were identified through the universal FH screening program in preschool children. Genetic testing using Sanger sequencing was performed for cascade screening to detect (likely) pathogenic variants, previously confirmed in the index child. Results: The success rate of confirming a (likely) pathogenic variant was 77.2 % when the first parent, preferably with higher total cholesterol levels, was tested, and reached 99.1 % when the variant was identified in the first tested parent or when both parents were tested. In the minority of cases (13.8 %), parents had had a clinical diagnosis of FH prior to their child and these had somewhat higher prevalence of CVD compared to parents that were diagnosed after their index child through the pilot program (12.5 % vs. 4.3 %; p = 0.382). Conclusions: In conclusion, the presented pilot child–parent cascade screening program is feasible in clinical practice and shows a high success rate in identifying parents with FH. Parents diagnosed through the program appeared to have a lower prevalence of CVD. However, larger cohorts are needed to confirm these findings.
Keywords: child-parent screening, cascade screening, familial hypercholesterolemia, cardiovascular disease, Slovenia
Published in DiRROS: 16.12.2025; Views: 0; Downloads: 3
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16.
The posterity of Zebrafish in paradigm of in vivo molecular toxicological profiling
Suresh Kr. Verma, Ivan Jerman, Raghuraj S. Chouhan, Mrutyunjay Suar, 2024, review article

Abstract: The aggrandised advancement in utility of advanced day-to-day materials and nanomaterials has raised serious concern on their biocompatibility with human and other biotic members. In last few decades, understanding of toxicity of these materials has been given the centre stage of research using many in vitro and in vivo models. Zebrafish (Danio rerio), a freshwater fish and a member of the minnow family has garnered much attention due to its distinct features, which make it an important and frequently used animal model in various fields of embryology and toxicological studies. Given that fertilization and development of zebrafish eggs take place externally, they serve as an excellent model organism for studying early developmental stages. Moreover, zebrafish possess a comparable genetic composition to humans and share almost 70% of their genes with mammals. This particular model organism has become increasingly popular, especially for developmental research. Moreover, it serves as a link between in vitro studies and in vivo analysis in mammals. It is an appealing choice for vertebrate research, when employing high-throughput methods, due to their small size, swift development, and relatively affordable laboratory setup. This small vertebrate has enhanced comprehension of pathobiology and drug toxicity. This review emphasizes on the recent developments in toxicity screening and assays, and the new insights gained about the toxicity of drugs through these assays. Specifically, the cardio, neural, and, hepatic toxicology studies inferred by applications of nanoparticles have been highlighted.
Keywords: zebrafish, cardiotoxicity, neurotoxicity, hepatotoxicty, drug screening
Published in DiRROS: 16.12.2025; Views: 2; Downloads: 1
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17.
Circular RNAs and their emerging roles in muscular immune-related diseases
Felicita Urzi, Anja Srpčič, Katja Lakota, 2025, review article

Abstract: Circular RNAs (circRNAs) have recently emerged as a highly stable and versatile class of non-coding RNAs that play critical roles in gene regulation, yet their involvement in immune-mediated muscle disorders remains largely underexplored. This review synthesizes how circRNAs influence key processes in both skeletal muscle and immune cells, from myogenesis, regeneration, and muscle stem cell function to inflammatory signaling and muscle wasting. Our aim was to identify circRNA insights across muscle immune-mediated diseases. However, we found no idiopathic inflammatory myopathy-focused circRNA studies, only a limited body of work in Duchenne muscular dystrophy, and predominantly peripheral blood mononuclear cell-based evidence in myasthenia gravis. These gaps highlight clear priorities: subtype-resolved circRNA atlases for idiopathic inflammatory myopathy; paired muscle–biofluid and cell-type–resolved profiling (including infiltrating immune populations); rigorous in vivo functional validation beyond correlative expression; fuller mechanistic delineation beyond miRNA competition (e.g., RNA binding protein interactions, translation, epigenetic regulation); and longitudinal cohorts linking circRNA dynamics to disease activity and treatment response. We particularly noted lack of in-depth studies addressing the interplay between muscle and immune cells in these conditions. Furthermore, we examine pioneering efforts to engineer circRNAs as therapeutic agents, capable of either neutralizing pathogenic pathways that drive muscle atrophy or restoring dystrophin expression in genetic disease models. Finally, we outline future directions for circRNA profiling in patient tissues and biofluids, rigorous functional validation in vivo, and the development of circRNA-based diagnostics. This positions circRNAs at the forefront of next-generation strategies for understanding and combating immune-related muscular disorders.
Keywords: circular RNA, skeletal muscle, immune cells, idiopathic inflammatory myopathies, Duchenne muscular dystrophy, myasthenia gravis
Published in DiRROS: 16.12.2025; Views: 0; Downloads: 0
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18.
Toll-like receptor 1 polymorphism is associated with impaired immune tolerance, dysregulated inflammatory responses to Borrelia burgdorferi, and heightened risk of post-infectious Lyme arthritis
Morgan A. Williams, Sergio A. Hernández, Sheila Arvikar, Katherine B. Sulka, Franc Strle, Christopher C. Wells, Tanja Petnicki-Ocwieja, Allen C. Steere, Klemen Strle, 2025, original scientific article

Abstract: Introduction: Clinical presentation of Lyme disease is largely due to host immune response to infection. Previously, we identified a variant (1805GG) in the TLR1 gene, a key immune sensor for Borrelia burgdorferi, which was associated with excessive inflammation and severe disease. Herein we examined the mechanism by which this variant leads to dysregulated immunity. Methods: We found that patients with post-infectious Lyme arthritis, a condition characterized by marked persistent synovitis in joints, have a higher frequency of TLR1-1805GG compared to those whose arthritis resolves with antibiotics. To explore the possibility that this genotype-phenotype association was due to excessive inflammation, we then tested the functional impact of TLR1-1805GG on inflammatory responses and immune tolerance in PBMCs with or without this SNP and in THP-1 cell lines lacking TLR1. Results: In response to B. burgdorferi stimulation, PBMCs with TLR1-1805GG had greater transcriptional upregulation of ~1200 immune-related genes and significantly higher cytokine levels in supernatants compared to cells without this variant. Moreover, repeat B. burgdorferi stimulation, which mimics tolerogenic conditions during the infection, failed to induce innate immune tolerance in PBMCs with TLR1-1805GG, or in THP-1 cells lacking TLR1, resulting in seemingly unabated immune activation consistent with marked inflammation in Lyme arthritis joints. Conclusions: These results suggest that excessive inflammation in patients with TLR1-1805GG variant appears to be due to immune dysregulation and inability to induce immune tolerance. The findings help explain how early events during the infection may contribute to sustained immune activation after antibiotics and point to the role of TLR1 signaling in immune regulation.
Keywords: Lyme disease, Borrelia burgdorferi, toll-like receptors, innate immune tolerance, inflammation, Lyme arthritis, innate immunology
Published in DiRROS: 16.12.2025; Views: 1; Downloads: 0
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19.
Perilous paradigm of graphene oxide and its derivatives in biomedical applications
Zobia Ayreen, Uzma Khatoon, Apoorv Kirti, Adrija Sinha, Abha Gupta, Anu Yadav, Rupali Mohanty, Raghuraj S. Chouhan, 2024, review article

Abstract: With advancements in nanotechnology and innovative materials, Graphene Oxide nanoparticles (GONP) have attracted lots of attention among the diverse types of nanomaterials owing to their distinctive physicochemical characteristics. However, the usage at scientific and industrial level has also raised concern to their toxicological interaction with biological system. Understanding these interactions is crucial for developing guidelines and recommendations for applications of GONP in various sectors, like biomedicine and environmental technologies. This review offers crucial insights and an in-depth analysis to the biological processes associated with GONP immunotoxicity with multiple cell lines including human whole blood cultures, dendritic cells, macrophages, and multiple cancer cell lines. The complicated interactions between graphene oxide nanoparticles and the immune system, are highlighted in this work, which reveals a range of immunotoxic consequences like inflammation, immunosuppression, immunostimulation, hypersensitivity, autoimmunity, and cellular malfunction. Moreover, the immunotoxic effects are also highlighted with respect to in vivo models like mice and zebrafish, insighting GO Nanoparticles’ cytotoxicity. The study provides invaluable review for researchers, policymakers, and industrialist to understand and exploit the beneficial applications of GONP with a controlled measure to human health and the environment
Published in DiRROS: 16.12.2025; Views: 2; Downloads: 1
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20.
Synthesis of morpholinoamido- and ester-disubstituted ε-caprolactones and their ring-opening (co)polymerization
Marija Vjačeslavovna Orehova, Ema Žagar, David Pahovnik, 2025, original scientific article

Published in DiRROS: 16.12.2025; Views: 7; Downloads: 9
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