1301. 2D materials : advances in regenerative medicine and human health sensingJasmina Lazarević, Bojana Višić, 2025, review article Abstract: The potential of 2D materials goes beyond the use in electronic applications, extending to regenerative medicine and noninvasive sensing. They hold great promise in these fields due to their remarkable properties, such as high surface area, electrical conductivity and modular chemistry. However, they face significant challenges related to biocompatibility, long-term safety, reproducible large-scale production and lack of standardization and clinical protocols, among others. This review presents a comprehensive overview of their application in regenerative medicine and interactions with various biological systems. We comment on the influence of their innate, but tunable properties on biological response. The chemical composition and exfoliation state of these materials also play a critical role in their bioactivity. The high sensitivity of 2D materials to humidity holds a significant promise in sensor development, which is presented here in detail. Combining them with polymer matrices can enhance the flexibility and performance of the sensors, making them suitable for wearable devices and environmental monitoring. However, challenges remain in the search for the best sensing characteristics, which can be addressed through functionalization and combining with alternative materials like metal oxide nanowires. We critically examined the key challenges (biological interactions, exposure risks, environmental changes and scalability), while assessing their potential for sustainable technologies. Despite the advancements, thorough safety assessments are needed before large-scale production and clinical deployment of 2D materials for health sensing applications.
Keywords: two-dimensional materials, noninvasive sensing, regenerative medicine, sensor development, wearable sensors
Published in DiRROS: 19.08.2025; Views: 349; Downloads: 184
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1302. Rewarding organisations for sustainable mobility of their employees : a multi-criteria assessment model and certification frameworkMarko Bohanec, Davor Kontić, Bernard Ženko, Martin Žnidaršič, Karina Sirk, Rok Vodopivec, 2025, original scientific article Abstract: The concept of sustainable mobility is aimed at minimising environmental impacts of transportation systems while meeting the needs of individuals and communities. This includes encouraging citizens to choose sustainable modes of transportation: walking, cycling, public transport, carpooling, and telecommuting. We present an approach at rewarding organisations that actively support the sustainable mobility of their employees, and propose a framework for awarding a sustainable mobility certificate to organisations that fulfil sustainable mobility goals and objectives. The assessment is carried out using a qualitative rule-based multi-criteria model, which considers 50 indicators. Other elements of the certification process include methods for assessing the mobility structure of employees in the organisation and its potential for improvement. In this paper, we present the main components of the proposed certification framework and illustrate its application for assessing the status of sustainable mobility of employees at a Slovenian research institute.
Keywords: sustainable mobility, mobility certificate, certification framework
Published in DiRROS: 19.08.2025; Views: 376; Downloads: 176
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1303. Room-temperature multiferroic liquids: ferroelectric and ferromagnetic order in a hybrid nanoparticle–liquid crystal systemHajnalka Nádasi, Peter Medle Rupnik, Darja Lisjak, Nerea Sebastián Ugarteche, Alenka Mertelj, Alexey Eremin, 2025, original scientific article Abstract: Responsiveness to multiple stimuli and adaptivity are paramount for designing smart multifunctional materials. In soft, partially ordered systems, these features can often be achieved via self-assembly, allowing for the combination of diverse components in a complex nanostructured material. Here, an example of a liquid is demonstrated that simultaneously displays both ferroelectric and ferromagnetic types of order. This material is a nanostructured liquid crystalline hybrid comprising ferrimagnetic barium hexaferrite nanoplatelets suspended in a ferroelectric nematic host. Director-mediated interactions drive the self-assembly of nanoplatelets in an intricate network. Due to the coupling between the polar electric and magnetic types of order, this material demonstrates magnetically driven electric and nonlinear optical responses, as well as electrically driven magnetic response. Such multiferroic liquids are highly promising for applications in energy harvesting, nonlinear optics, and sensors.
Keywords: liquid crystals, multiferroics, ferroelectric materials, ferromagnetic materials
Published in DiRROS: 19.08.2025; Views: 451; Downloads: 200
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1304. Dynamics of proximity-induced magnetism at cobalt/molecular interfacesJaka Strohsack, Andrei Shumilin, Hui Zhao, Gregor Jecl, Viktor V. Kabanov, Tomaž Mertelj, 2025, original scientific article Abstract: Interfacing ferromagnetic metals with organic molecules is a versatile strategy to control key parameters in magnetic and spintronic technologies. Hybridization between the metal’s surface d orbitals and molecular p orbitals profoundly alters both the interfacial molecular layer and adjacent metal interface atomic layers, causing substantial changes in the magnetic properties of metal/molecule heterostructures. While magnetic modifications within the metallic layer are relatively well understood, the interfacial magnetism remains elusive. Using ultrafast time-resolved magneto-optical spectroscopy, we investigate the magnetic dynamics in such heterostructures and identify a distinct interfacial magnetic component that appears universal across various cobalt/molecule combinations. Our findings reveal a highly anisotropic magnetic layer localized at the interface, which has remained undetected in static measurements. This interfacial layer likely originates from strong chemical modifications in the cobalt surface induced by chemisorbed molecules. These results underscore the crucial role of molecular chemisorption in shaping interfacial magnetic properties, offering further opportunities for tuning functionalities in molecule-based spintronic devices.
Keywords: magnetism
Published in DiRROS: 19.08.2025; Views: 290; Downloads: 208
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1305. On subelliptic equations on stratified Lie groups driven by singular nonlinearity and weak $L^1$ dataSubhashree Sahu, Debajyoti Choudhuri, Dušan Repovš, 2025, original scientific article Abstract: The article is about an elliptic problem defined on a stratified Lie group. Both sub and superlinear cases are considered whose solutions are guaranteed to exist in light of the interplay between the nonlinearities and the weak $L^1$ datum. The existence of infinitely many solutions is proved for suitable values of $\lambda$, $p$, $q$ by using the Symmetric Mountain Pass Theorem.
Keywords: stratified Lie groups, subelliptic operators, Marcinkiewicz space, singular problem
Published in DiRROS: 19.08.2025; Views: 276; Downloads: 165
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1306. A completion of counterexamples to the classical central limit theorem for triplewise independent and identically distributed random variablesMartin Raič, 2025, original scientific article Abstract: By the Lindeberg–Lévy central limit theorem, standardized partial sums of a sequence of mutually independent and identically distributed random variables converge in law to the standard normal distribution. It is known that mutual independence cannot be relaxed to pairwise independence, nor even to triplewise independence. Counterexamples have been constructed for most marginal distributions: a recent construction works under a condition which excludes certain probability distributions with atomic parts, in particular almost all distributions on a fixed finite set. In the present paper, we show that this condition can be lifted: for any probability distribution $F$ on the real line, which has finite variance and is not concentrated in a single point, there exists a sequence of triplewise independent random variables with distribution $F$, such that its standardized partial sums converge in law to a distribution which is not normal. There is also scope for extension to $k$-tuplewise independence.
Keywords: central limit theorem, mutual independence, triplewise independence
Published in DiRROS: 18.08.2025; Views: 300; Downloads: 149
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1308. Assessment of heterozygosity in european local and cosmo-politan pig populationsMaria Chiara Fabbri, Katherine D. Arias, Marcos P.G. Rezende, Francesco Tiezzi, Stefano Biffani, Felix Goyache, Giuseppina Schiavo, Samuele Bovo, Luca Fontanesi, Marjeta Čandek-Potokar, Maria Muñoz, Cristina Ovilo, Klavdija Poklukar Žnidaršič, Martin Škrlep, Riccardo Bozzi, 2025, original scientific article Keywords: pigs, autochthonous breed, fitness, heterozygosity-rich regions, runs of heterozygosity, Sus scrofa
Published in DiRROS: 18.08.2025; Views: 384; Downloads: 219
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1309. Positive effects of reduced tillage practices on earthworm population detected in the early transition periodIrena Bertoncelj, Anže Rovanšek, Robert Leskovšek, 2025, original scientific article Keywords: earthworms, agricultural practices, ploughing, no-till, convservation tillage, climatic conditions
Published in DiRROS: 18.08.2025; Views: 372; Downloads: 188
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1310. BugBook: Genetics of insects as food and feedChristoph Sandrock, Tomas N. Generalovic, Katy Paul, Gertje Petersen, Eliaou Sellem, Michael Barlett Smith, Miika Tapio, Wael Yakti, Leo W. Beukeboom, David Deruytter, Jana Obšteter, 2025, original scientific article Keywords: human diet, edible insects, demographic inference, insect breeding, population management, farming insects, review, selection cheme, human nutrition
Published in DiRROS: 18.08.2025; Views: 386; Downloads: 284
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