Miracle-dz/UniFAR-FTUs huggingface dataset:
Deconstructing Sox2 Function in Brain Development and Disease

SOX2 is a transcription factor conserved throughout vertebrate evolution, whose expression marks the central nervous system from the earliest developmental stages. In humans, SOX2 mutation leads to a spectrum of CNS defects, including vision and hippocampus impairments, intellectual disability, and motor control problems. Here, we review how conditional Sox2 knockout (cKO) in mouse with different Cre recombinases leads to very diverse phenotypes in different regions of the developing and postnatal brain. Surprisingly, despite the widespread expression of Sox2 in neural stem/progenitor cells of the developing neural tube, some regions (hippocampus, ventral forebrain) appear much more vulnerable than others to Sox2 deletion. Furthermore, the stage of Sox2 deletion is also a critical determinant of the resulting defects, pointing to a stage-specificity of SOX2 function. Finally, cKOs illuminate the importance of SOX2 function in different cell types according to the different affected brain regions (neural precursors, GABAergic interneurons, glutamatergic projection neurons, Bergmann glia). We also review human genetics data regarding the brain defects identified in patients carrying mutations within human SOX2 and examine the parallels with mouse mutants. Functional genomics approaches have started to identify SOX2 molecular targets, and their relevance for SOX2 function in brain development and disease will be discussed.
Bio-inspired swimming and flying – Vortex dynamics and fluid/structure interaction

The present document, prepared in view of obtaining the 'Habilitation a diriger des recherches', reviews my main research subject at PMMH since 2006, which concerns the study of swimming and flying inspired by nature. Canonical examples of flapping flight and undulatory swimming are explored using simplified experimental models as a starting point. This allows for the discussion of some fundamental questions related to the physics of bio-inspired locomotion at ``intermediate'' Reynolds numbers. In particular, we address the strong fluid-structure interactions that arise in these problems, where we have focused on: simplified models of flapping foils in hydrodynamic tunnel experiments, especially in the dynamics of vorticity in the wake of an oscillating foil ; mechanical models of flapping flyers with flexible wings in a self-propelled configuration (in the spirit of the pioneer experiments of Etienne-Jules Marey), as well as novel experimental models of undulatory swimming.
Nighttime Atmospheric Scattering Phase Function Derived From the Scattered Light of a Laser Beam

Continuous monitoring of the atmospheric scattering phase function P(θ) $P(\theta )$ is difficult to perform since most observational techniques are limited to daylight hours. Among known aerosol optical properties, only atmospheric optical depth is measured routinely during clear nights at a few ground stations. In this paper we develop theoretical and experimental techniques to retrieve the scattering phase function from radiometry of a laser beam whose light is scattered in the lower nocturnal atmosphere. The field experiment we conducted in a night environment demonstrates the capability of the method to determine P(θ) $P(\theta )$ in real‐world settings. We show that extracting the scattering phase function from radiance data is realizable over a wide range of angles, which makes possible the use of an analytical extrapolation to approximate P(θ) $P(\theta )$ across the full range of scattering angles.
A Hurricane Decision Simulator for the U.S. Marine Corps Reserve Forces in New Orleans

We build a computer-based tool to help train U.S. Marine Forces Reserve (MARFORRES) decision makers prepare for a hurricane affecting New Orleans. The hurricane decision simulator shows the user simulated hurricane forecasts, including track and wind-speed probability forecasts, stepping through the evolution of a storm. The hurricane forecast is updated at time steps corresponding to six hours of realworld time beginning 120 hours or more before expected landfall, and the user is asked to make decisions regarding preparation and evacuation based on the forecasts.
Analysis of the Mineral Compositions of Lateritic Clay in Guangxi and their Influence

In order to study the effect of mineral composition on the physical properties of lateritic clays, the mineral compositions of four kinds of lateritic clay from Guangxi province in China were quantitatively analyzed by means of DTA, XRD, SEM, XRF and total chemical element analysis. On this basis, the variation law of macroscopic physical properties of lateritic clay was analyzed from the perspective of mineralogy. The results show that kaolinite and goethite are the main minerals of lateritic clays from Guangxi in China. The mineral compositions of these four samples are quantitatively and accurately analyzed by Bogue’s method. According to the study on mineral compositions of soil samples, the physical properties of lateritic clay are related to its clay minerals and cemented substances. The liquid limit (LL) or plastic limit (PL) increases with the increase of the ability and content of clay minerals to adsorb water. The lateritic clay is dominated by kaolinite minerals with low adsorption capacity, so the observed boundary water content (LL and PL) of high value of lateritic clays can be explained by the contribution of “inert water” in soil pores. The iron-bonded cement minerals (the form of existence is goethite) in lateritic clay have great influence on the liquid and plastic limits, which decrease linearly with the increase of goethite, whereas the goethite has relatively smaller effect on shrinkage characteristics. It is believed that the shrinkage characteristics of lateritic clay may also be affected by other factors.
Silver Nanoparticle-Intercalated Cotton Fiber for Catalytic Degradation of Aqueous Organic Dyes for Water Pollution Mitigation

Azo dyes are commonly used in textile color processing for their wide array of vibrant colors. However, in recent years these dyes have become of concern in wastewater management given their toxicity to humans and the environment. In the present work, researchers remediated water contaminated with azo dyes using silver nanoparticles (Ag NPs) intercalated within cotton fabric as a catalyst, for their enhanced durability and reusability, in a reductive degradation method. Three azo dyes—methyl orange (MO), Congo red (CR), and Chicago Sky Blue 6B (CSBB)—were investigated. The azo degradation was monitored by UV/vis spectroscopy, degradation capacity, and turnover frequency (TOF). The Ag NP–cotton catalyst exhibited excellent degradation capacity for the dyes, i.e., MO (96.4% in 30 min), CR (96.5% in 18.5 min), and CSBB (99.8% in 21 min), with TOFs of 0.046 min−1, 0.082 min−1, and 0.056 min−1, respectively, using a 400 mg loading of catalyst for 100 mL of 25 mg L−1 dye. To keep their high reusability while maintaining high catalytic efficiency of >95% degradation after 10 cycles, Ag NPs immobilized within cotton fabric have promising potential as eco-friendly bio-embedded catalysts.
Benevolent leadership and organizational citizenship behaviors in a higher education context: a moderated mediation model

PurposeDrawing upon the conservation of resources (COR) theory, this paper investigates the moderated mediation model linking benevolent leadership to organizational citizenship behaviors towards the organization (OCBO) and towards individuals (OCBI) in the context of higher education. The mediating roles of leader-member exchange and affective commitment as well as the moderating roles of the two attachment styles—attachment anxiety and attachment avoidance—are also examined.Design/methodology/approachData were collected from a sample of 333 university lecturers and analyzed using partial least square structural equation modeling (PLS-SEM). FindingsThe results demonstrate that leader-member exchange and affective commitment are mediating resources that help benevolent leaders motivate university lecturers to engage in two types of OCBs. Moreover, attachment anxiety and attachment avoidance act as the respective enhancer and inhibitor for the indirect effects of benevolent leadership on both OCBs through leader-member exchange. In contrast, the relationships between benevolent leadership and two types of OCBs through the mediating role of affective commitment are not contingent on the attachment styles of lecturers.Practical implicationsThe findings suggest that university leaders who aim at promoting OCBs among lecturers should deploy benevolent leadership style to facilitate a positive social exchange relationship as well as foster their affective commitment. Such leadership style is especially effective in influencing lecturers who possess attachment anxiety personality traits.Originality/valueThis pioneer research develops and empirically tests a COR theory-grounded moderated mediation model pertaining to benevolent leadership and lecturers' OCBs. The findings contribute to the educational management literature by demonstrating that benevolent leadership, a crucial organizational resource, significantly motivates lecturers' voluntary and extra-role behaviors in a dynamic and contingent manner. Leader-member exchange and affective commitment are important mediating resources in the process of transforming benevolent leadership into beneficial behaviors. Further, the effectiveness of benevolent leadership largely depends on lecturers' personality traits of attachment anxiety and avoidance. These novel mediating and moderating findings demonstrate the sequential and interaction effects of various organizational and individual resources on lecturers' OCBs; thus, adding value to the COR theory's core principles, including resource caravans and resource investment behaviors.
A Social Network Analysis of Tweets Related to Mandatory COVID-19 Vaccination in Poland

Poland’s efforts to combat COVID-19 were hindered by endemic vaccination hesitancy and the prevalence of opponents to pandemic restrictions. In this environment, the policy of a COVID-19 vaccination mandate faces strong resistance in the public debate. Exploring the discourse around this resistance could help uncover the motives and develop an understanding of vaccination hesitancy in Poland. This paper aims to conduct a social network analysis and content analysis of Twitter discussions around the intention of the Polish Ministry of Health to introduce mandatory vaccinations for COVID-19. Twitter was chosen as a platform to study because of the critical role it played during the global health crisis. Twitter data were retrieved from 26 July to 9 December 2021 through the API v2 for Academic Research, and analysed using NodeXL and Gephi. When conducting social network analysis, nodes were ranked by their betweenness centrality. Clustering analysis with the Clauset–Newman–Moore algorithm revealed two important groups of users: advocates and opponents of mandatory vaccination. The temporal trends of tweets, the most used hashtags, the sentiment expressed in the most popular tweets, and correlations with epidemiological data were also studied. The results reveal a substantial degree of polarisation, a high intensity of the discussion, and a high degree of involvement of Twitter users. Vaccination mandate advocates were consistently more numerous, but less engaged and less mobilised to “preach” their own stances. Vaccination mandate opponents were vocal and more mobilised to participate: either as original authors or as information diffusers. Our research leads to the conclusion that systematic monitoring of the public debate on vaccines is essential not only in counteracting misinformation, but also in crafting evidence-based as well as emotionally motivating narratives.
DUAL-BAND DUAL-POLARIZED SLOTTED COAXIAL WAVEGUIDE ANTENNA

|This paper presents a dual-band dual-polarized antenna including one L-band vertically polarized antenna, four C-band horizontally polarized subarrays, and four C-band vertically polarized subarrays. Both the L- and C-band radiation elements are designed based on the concept of slotted coaxial waveguide antenna. The coaxial waveguide structure is in rectangular shape which is suitable for multi-element integration. And bending stripline inside the waveguide cavity plays the role of inner connector for the coaxial waveguide and exciter for radiating slots on the waveguide. Results show that impedance bandwidths of 14.9% for L-band and 5.9% for C-band are obtained with good port isolation. The antenna also exhibits good radiation performance with the low cross-polarization. The results indicate that the proposed antenna is suitable for synthetic aperture radar applications.
Analytical Model of Customer Purchasing Behavior Considering Event Characteristics on Flower Delivery Business

: Currently, a large amount of data accumulated in electronic commerce (EC) sites, and it is possible to customize a marketing strategy for each customer. This study focuses on an analytical model of purchasing data cumulated on a fresh flowers EC site for their marketing analysis. On an EC site providing fresh flower products, the purchase frequency per customer is much lower than that on EC sites selling commodity products or books. Therefore, the accumulated data for each customer on an EC site providing fresh flowers are limited and it is difficult to analyze the individual preferences of each user based on their purchasing history. On the other hand, fresh flower products are characterized by their purchase for several events in an individual’s life such as birthday and funeral. Moreover, the selected colors and prices of flowers tend to be different depending on the event. In this research, we focus on the relationship between the attributes of customers and purchasing actions, making it unnecessary to analyze the purchasing behavior of individual customers. We propose the analytical model considering the relationship between the event, the color and price of flower items, and other factors. Because customers’ purchase behaviors are very diverse, the variation in the relationship may be difficult to explain using conventional methods with hard clustering, wherein each datapoint belongs strictly to one class. Therefore, we propose a new latent class model to analyze purchasing behavior data. The proposed model is expected to reveal customers’ purchase behaviors and, thus, help to develop efficient marketing strategies. Moreover, we validate the effectiveness of our proposed method by applying it to the real purchase history data on the EC site.
SPACE-TIME CODING FOR WIRELESS COMMUNICATIONS

Signal fading and intersymbol interference created by multipath propagation have traditionally limited the throughput on wireless communications systems. However, recent research has demonstrated that by using multiple antennas on both transmit and receive ends of the link, the multipath channel can actually be exploited to achieve increased communication throughput over single-antenna systems. This paper provides an introductory description of such multi-antenna communications systems, focusing on basic explanations of how they achieve capacity gains. Computed and measured capacity results are used to demonstrate the potential of these systems.
On a fibre - reinforced - concrete constitutive model for NLFE analysis

The non-linear constitutive response of concrete reinforced with steel fibres and steel bars is modelled in terms of secant stiffness matrix by extending to FRC a previous model (PARC) for uncracked and cracked R/C elements subjected to plane stress In the uncracked stage. a non-linear constitutive law for concrete subjected to a biaxial state of stress is considered, while in the cracked stage normal and shear stresses, acting along the cracked planes are computed as a function of the local crack opening and slip. The FRC post-cracking behaviour is modelled by implementing into PARC a realistic micromechanics-based constitutive relationship, including the effects that fibre aspect-ratio, volume fraction and interface bond strength, as well as concrete strength, have on the stress-crack opening relation of the fibre-reinforced material. The aggregate bridging effect is separated from the fibre bridging effect, and the state of stress which characterizes the fibres before the opening of a crack is also taken into account. The reliability of PARC incorporating the described FRC model has been verified by implementing the resulting stiffness matrix into a FF code and by simulating some tests cortical ont on push-off specimens for different values of concrete strength and fibre volume fraction and aspect-ratio. The numerical results fit very well the lest data. and this agreement demonstrates that the proposed model describes efficiently the fibre-induced effects in the concrete, particularly with reference to concrete toughness.
Frequency‐selective rasorber with two wide absorption bands and two transmission zeros

This article presents a frequency selective absorber (FSR) with a selective passband and two wide absorption bands. The structure is composed of a resistive layer and a bandpass frequency selective surface (FSS) layer. The resistive layer is a combination of a metallic ring with loaded resistors and meander‐line elements, which generates parallel resonances. Multiple metallic square loops are designed in the bandpass FSS to produce series and parallel resonances. The simulation results show that the 3 dB transmission band ranges from 6.55 to 8.39 GHz, and the minimum insertion loss of 0.5 dB is at 7.47 GHz. The dual‐polarized FSR realizes two transmission zeros on both sides of the passband. The reflection coefficient lower than −10 dB is from 3.68 to 13.67 GHz. Moreover, the FSR is manufactured and measured.
Integrated Identification of the Nonlinear Autoregressive Models With Exogenous Inputs (NARX) for Engineering Systems Design

This brief presents a new framework for the identification of nonlinear autoregressive (AR) models with exogenous inputs (NARX) model for design (NARX-M-for-D), which represents NARX of engineering systems where the model coefficients are represented explicitly as a function of the physical parameters that can be adjusted for the system design. The framework is concerned with identifying a common structure of the NARX model which is shared by all design configurations, and with identifying the nonlinear static maps that link these design parameters with NARX coefficients. The problem of the common structure identification is solved via extended forward orthogonal regression, after which a joint regression problem is formulated to determine the explicit relationships between NARX coefficients and physical parameters for the system. Using sparse regression methods allows simultaneous detection of a compact structure of the NARX model and design parameter maps. The reduced structure improves model generalization in design parameter space which is instrumental for the application of the identified model in the system design. The performance of the framework is evaluated on a benchmark model and on the experimental data from dynamic testing of auxetic foams. An example of evaluating the output frequency response from the identified model demonstrates how the proposed framework can be used to assess dynamical properties of engineered systems in the design process.
Mapping the Cyber Interpersonal Violence among Young Populations: A Scoping Review

The increase in digital practices and networking has introduced important changes to social interactions. The extensive use of technology among young people has allowed for cyber communication, which has numerous benefits but can also trigger violence in relationships. Interpersonal violence affecting young people is becoming more widely recognized as a public health issue. The aim of this scoping review is to map and systematize the published academic literature on Cyber Interpersonal Violence (CIV) amongst young people, following the methodological approach proposed by Arksey and O’Malley. Five databases were searched: PubMed, Scopus, CINAHL (EBSCOhost), Science Direct and Social Sciences Citation Index. Eighteen studies in English, Portuguese, Spanish and French, published from 2004 onwards, were included. Three main areas arose in the CIV: cyber dating abuse, cyberbullying and cyber-harassment. Investing in prevention is the key to preventing cyber violence.
Early-phase colonisation by introduced sculptured resin bee (Hymenoptera, Megachilidae, Megachile sculpturalis) revealed by local floral resource variability

There is a growing interest to document and better understand patterns and processes involved in non-native bee introductions and subsequent colonisation of new areas worldwide. We studied the spread of the East Asian bee Megachile sculpturalis in Serbia and south-eastern Europe; the bee was earlier established in the USA (since 1994) and western Europe (since 2008). Its establishment in Serbia remained dubious throughout most of 2017–2019, following its first detection. We hereby report on its establishment and spreading, which were corroborated in 2019 under specific circumstances. Owing to an exceptionally poor blooming of Styphnolobium japonicum in 2019, we recorded a high activity density of M. sculpturalis concentrated on a scarce key food resource. We present a novel quantitative approach for an improved early detection of M. sculpturalis, based on the interplay between the bee local occurrence pattern and dynamics of key food-plant(s) availability. This approach seems particularly effective during the early-phase colonisation, at initially low population density of introduced bees. We address the importance of integration of the genuine plant usage patterns with context-specific bee assessment options in establishing effective monitoring. The improved understanding of M. sculpturalis local dynamics triggered the questions about possible origin(s) and modes of its dispersal east of the Alps. To explore the possible scenarios of M. sculpturalis introduction(s), we extended the study to a wider spatio-temporal context – the region of SE Europe (2015–2019). The two complementary study approaches (at local and regional scale) provided more comprehensive evidence of bee dispersal history and the detection patterns in varied recording contexts. Based on this two-scale approach, we suggest that a diffusive mode of M. sculpturalis introduction into Serbia now seems to be a more plausible scenario (than a long-distance jump). We argue that the integration of outcomes from the contrasting approaches (a systematic surveillance, based on plant resources and a broad-scale opportunistic recording) could be of great methodological relevance for the development of future monitoring protocols.
Morphology and Anatomy of Endemic Fish Leptobarbus melanopterus (Cyprinidae) in Danau Sentarum National Park Kapuas Hulu Regency

One of the endemic freshwater fishes in Danau Sentarum National Park (DSNP) is Leptobarbus melanopterus which has high economic value for both commercial and collection purpose. However, the overfishing of L. melanopterus running over decades with harmful catch tools is worried could contribute to the population decline in the future. At the same time, this species has never been cultured and fishermen catch directly in the habitat on a daily basis. This research was aimed to identify the morphological and anatomical characters of L. melanopterus. All samples were collected from three different sites in DSNP and measured its morphological and anatomical sizes manually. The results showed that the length of mandibula barbel was the distinguishing character between females and males, with loading score of 0.81. Most meristic variables showed no difference between two sexes. In terms of anatomical measurements, L. melanopterus females had larger gill sizes than males, including gill raker, gill arch and fill filament. Our findings signify the thorough morphological and anatomical sizes of L. melanopterus which are important in identifying fish stock, growth pattern and sexual dimorphism for future culture management.