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This study aims to develop a new theoretical framework from the perspective of the Technology Acceptance Model (TAM), incorporating flow theory, to explore the factors influencing behavioral intentions to participate in metaverse tourism. Using data from 518 respondents with metaverse experience and participation in metaverse tourism, the study employed R Studio and Structural Equation Modeling (SEM) to test the relationships between variables in the model. The results indicate that metaverse flow has a significant positive impact on users' perceived usefulness and perceived ease of use, with flow demonstrating strong explanatory power as a precursor factor. Perceived usefulness and perceived ease of use are predictors of users' attitudes to using metaverse technology. A positive attitude towards the metaverse can enhance users' support for metaverse tourism and their behavioral intention to participate in it, while support also positively influences behavioral intention. Support for metaverse tourism acts as a clear mediator between attitudes and behavioral intention. The newly developed theoretical framework in this study provides a fresh perspective for metaverse tourism research and helps enrich empirical analysis in this field. By deeply analyzing tourists' behavioral intentions, the study provides valuable insights for stakeholders to develop targeted marketing strategies and services, thus promoting the future development of metaverse tourism. [ABSTRACT FROM AUTHOR]

The electron donors (ED) in Ziegler–Natta (Z-N) catalysis are classified as internal electron donors (IED) and external electron donors (EED), and both IED and EED are indispensable components for enhancing the catalytic reactivity and regulating the stereoregularity of polyolefinic materials in a typical industrial Z-N catalytic process. With the intensive research on ED, the Z-N catalyst performances have experienced successive progress in the last few decades. Polypropylenes (PP) as a commodity polyolefin material, especially the isotactic PP (iPP), are produced in multi-billion pounds per annum by utilization of the various IED- and EED-assisted Z-N catalysts systems. In the course of developing Z-N catalysts, the ED constitutes a key component of the content and represents a significant area of future research. In this review, we introduced a concise overview of the functions of IEDs in the generations of Z-N catalyst systems and the widely used IED types (A total of 11 different types of IEDs are encompassed within this study) that have been developed so far. In addition, we focused on the coordination modes of different IEDs in the MgCl2-supported Z-N catalyst system and analyzed the effects of different types of IEDs on the PP isotacticity, regioselectivity, hydrogen sensitivity, and briefly introduced the application of environmentally friendly rosinate and salicylate IEDs. [ABSTRACT FROM AUTHOR]

In order to solve the problem that small defects hidden behind pipeline support parts are difficult to detect effectively in small spaces, such as offshore oil platforms, a meander-coil-type dual magnetic group circumferential magnetostrictive guided wave transducer is developed in this paper. The transducer, which consists of a coil, two sets of permanent magnets, and a magnetostrictive patch, can excite a high-frequency circumferential shear horizontal (CSH) guided wave. The energy conversion efficiency of the MPT is optimized through magnetic field simulation and experiment, and the amplitude of the defect signal is enhanced 1.9 times. The experimental results show that the MPT developed in this paper can effectively excite and receive CSH2 mode guided waves with a center frequency of 1.6 MHz. Compared with the traditional PPM EMAT transducer, the excitation energy of the transducer is significantly enhanced, and the defects of the 2 mm round hole at the back of the support can be effectively detected. [ABSTRACT FROM AUTHOR]

Resources and environment are essential elements of social and economic development. Whether the current resources and environment can sufficiently support economic and social development is an important scientific issue. Existing studies have not reached a consensus on the definition, assessment, and forewarning methods of resource and environmental carrying capacity (RECC). Therefore, this study puts forward a ternary theoretical system of RECC from the perspective of pressure, support, and adjustment, constructs a novel evaluation indices system of RECC, introduces a ternary evaluation model, and proposes a hierarchical forewarning method of RECC with a threshold of 1. Furthermore, an empirical demonstration of 31 provinces in China is presented. The results show that: (1) the average RECC index of 31 areas revealed a downward trend from 2012 to 2021, indicating the gradually improving RECC; (2) the RECC indices of central areas were always high, which manifests the poor RECC; (3) the number of provinces with RECC at Alert Level III decreased from 18 to 7, and the number of provinces at Non-Alert Level increased from 6 to 8. [ABSTRACT FROM AUTHOR]

Nursing students require resilience to navigate the complexities of clinical practice. This characteristic is essential for managing demanding workloads, unpredictable patient situations, and emotional stressors while maintaining performance and well-being. Fostering resilience helps students develop the capacity to adapt to adversity, overcome setbacks, and remain committed to providing high-quality patient care. This qualitative study explores the challenges and supports influencing nursing students' resilience during clinical education. Interviews with 28 Thai nursing students revealed two key themes: the "experience of vulnerability" and the "experience of meaningfulness". The sub-themes of vulnerability included "navigating uncertainty", "transcending professional struggles", and "being exposed to diverse encounters". The sub-themes of meaningfulness focused on restoring strength through social interactions and engaging in positive transformation. This study highlights the need for comprehensive support systems that address personal and professional vulnerabilities. Integrating caring theory principles could further enhance resilience by emphasizing compassionate care and fostering student empathy. This suggests that instructors and stakeholders can significantly impact student well-being by creating supportive environments built on collaboration, empathy, and mentorship, all of which are aligned with caring theory. [ABSTRACT FROM AUTHOR]

Background/Objectives: Children with Attention and Hyperactivity Deficit Disorder (ADHD) and those at risk of ADHD typically exhibit challenging behaviours that may disrupt the classroom environment and be frustrating for teachers. This study aimed to explore teachers' experiences and emotions regarding teaching children with high levels of ADHD symptoms and their perceptions of what might help to meet their unmet support needs. Methods: Semi-structured interviews were conducted with 17 primary educational practitioners for children aged between four and eight years in the UK. Interview scripts were analysed using reflexive thematic analysis. Six main themes and 8 subthemes were developed. These included: (1) ADHD behaviours can disrupt the learning environment; (2) teachers face practical demands on their expertise and particular skills; (3) managing ADHD behaviours can be overwhelming for teachers; (4) teachers and children may treat children with ADHD negatively, which can impact on children's emotions and lead to labelling; (5) existing support for teachers is limited; and (6) teachers need more specific training about ADHD. Results: The analysis revealed that teachers working with children with externalising behaviours such as ADHD can feel overwhelmed. Conclusions: The findings from this study suggest that teachers require more training in managing externalising behaviour in the classroom. [ABSTRACT FROM AUTHOR]

The main objective of this study was to examine the actor and partner effects between Perceived Workplace Support for Families (PWSFs) and family support (PFS), diet quality, and satisfaction with food-related life (SWFoL) in households with both parents working and adolescents, along with the role of the three family members' diet quality as a mediator. During the second year of the pandemic in Chile, 860 dual-earner parents of different sexes and their adolescent child (average age 13 years, with 50.7% being male) were recruited from two cities. Parents responded to a measure of PWSFs and the Perceived Family Support Scale. Mothers, fathers, and adolescents answered the Adapted Healthy Eating Index (AHEI) and the satisfaction with food-related life Scale. The examination employed the mediation Actor–Partner Interdependence Model and structural equation modeling for the analyses. Results showed that mothers' PWSFs improved their and their teenage children's SWFoL, while fathers' PWSFs only improved their SWFoL. The mothers' PFS improved their and the fathers' diet quality while enhancing their SWFoL and the adolescents' SWFoL. The fathers' PFS enhanced their and the adolescents' SWFoL. The mothers' PFS also indirectly enhanced their and the fathers' SWFoL via each parent's diet quality. Each family member's diet quality was positively related to their SWFoL, while mothers' diet quality was positively related to the fathers' SWFoL. These results imply that resources obtained by parents from PFS positively impact the SWFoL of the three family members through different mechanisms. They also highlight the importance of maternal family support for SWFoL during the pandemic. [ABSTRACT FROM AUTHOR]

This study explores the extensive influence of COVID-19 on the affective states of school principals and teachers. A comparative, qualitative study was conducted on Latvian and South African participants' experiences during the pandemic, with a focus on leadership, change, extra workload, ICT, and uncertainty. A total of 59 participants from rural, urban, and private schools in both countries took part in this study. Data were collected by conducting interviews with open-ended questions after which themes were identified and grouped. The results demonstrated that the states of mind of Latvian school principals and teachers were more affected than those of South Africans for whom vaccination was not compulsory. Furthermore, it was found that technological adaptation was easier for Latvian than for South African educators. The role of the Department of Education has evoked mixed feelings. Leadership, and the lack of it, also influenced the affective states of school principals and teachers. Emotional support from society, family, and colleagues was experienced differently in Latvia than in South Africa. The results of this study revealed that a pandemic can be experienced differently by principals and teachers but also that there are similarities in these experiences, as no one is ever completely prepared for the effects of a pandemic. [ABSTRACT FROM AUTHOR]

In the fractured weak fault zone, rock mass exhibits low strength and poor self-stability. The geological conditions are complex, and when tunnels cross through fractured zones, significant deformations and collapses are prone to occur, leading to geological hazards. This paper investigates the in situ stress and deformation patterns of the Dongmachang Tunnel No. 1, proposing support solutions for addressing tunnel deformations through field experiments and numerical simulations. The on-site monitoring results indicate that despite implementing measures such as grouting reinforcement and temporary steel supports to control surrounding rock deformation, significant structural damage still occurred in the tunnel support system. The manifestations included severe sinking and cracking of the arch crown, strong inward deformation of the sidewalls, widespread cracking, crushing, and spalling of shotcrete, slight arching uplift, and severe distortion and twisting of steel arches forming a "Z" or "S" shape. To ensure tunnel safety and control the stability of excavations in weak fault zones, a comparison of tunnel deformation support schemes is conducted through field experiments and numerical simulations, indicating that replacing the upper tunnel structure and invert can effectively prevent tunnel deformations. These measures are vital for the sustainable development of tunnel. [ABSTRACT FROM AUTHOR]

Background and Objectives: Many children with (CP) and their families in Saudi Arabia struggle emotionally. Unfortunately, there have not been many studies conducted on how to help them with these challenges. This research aims to bring attention to this gap and to explore how a lack of proper mental health care might affect these children's ability to participate in everyday activities. Materials and Methods: In this cross-sectional descriptive study, a survey was conducted between August and October 2023. A total of 300 parents of CP children from Saudi Arabia participated in the study. The impact of psychological care negligence on the occupational engagement of CP children and their families was assessed by designing a valid questionnaire. Results: A total of 300 parents of children with CP participated in this study. The majority of the sample, 71% of parents, said that their children did not receive any psychological care, and 59.7% of the participants said that their children did not even receive a referral to a psychologist. However, 60.3% of parents of children noticed a significant decline in the occupational performance of their children, and 65.7% predicted an improvement in their children's performance with future psychological care. Conclusions: It is clear that there is a lack of awareness about the importance of mental health care for children with CP in Saudi Arabia. This lack of care hinders these children and their families' occupational engagement and social participation. [ABSTRACT FROM AUTHOR]

Reflecting on the experience of curating Veronica Ryan's work for the 2021 exhibition Life Support: Forms of Care in Art and Activism at Glasgow Women's Library, this essay contextualizes the artist's recent sculptures in relation to the theories, philosophies, and ethics of care that have recently gained increasing prominence in artistic and curatorial practice. Drawing on the philosopher Virginia Held's understanding of care as inherently intersubjective, it proposes that Ryan's sculptures model a comparable understanding of caring relations through their associative yet ultimately elusive operations. Ryan is recognized for her use of abstracted organic forms, particularly seeds, pods, husks, and fruits. Since moving to New York from Britain in 1990 and developing a career between the two countries, Ryan has engaged with industrial and mass-produced receptacles, molds, and packing materials, an interest which has expanded to include fishing wire, plastic bottles, and take-away food containers, alongside textiles. Yet, although many of these elements remain identifiable, the resulting works delight in category confusion between organic and prefabricated, instigating uncanny textural effects that engender perceptual uncertainty. Their chains of allusion resist singular, fixed meanings, generating a continual back and forth of association and dissociation that constitutes a sustained meditation on care's relational complexity. [ABSTRACT FROM AUTHOR]

The onset of the COVID-19 pandemic prompted a rapid shift to Emergency Remote Teaching (ERT). Social networks had a key role in supporting the educational community in facing challenges and opportunities. A quantitative study was conducted to assess the Greek teachers' perceptions of social network support. Findings indicated that teachers turned to universities, educational institutions, the Ministry of Education, school support groups, and virtual communities for support. Additionally, the study revealed the barriers faced by teachers, including infrastructure limitations, technical difficulties, skill deficiencies, problems with students' engagement, and school policies. Teachers' evaluation of support regarding ERT provided fruitful insight. The results illustrate teachers' perspectives on ERT, contributing to the ongoing discourse on educational resilience to unpredictable disruptions. In conclusion, the role of social networks was considered as critical for the teachers to overcome barriers during ERT with the formation of social communities for support and the sharing of common experiences. Expertise in internet use and social networking played a significant role in readiness for the abrupt shift to distance education. The present study uniquely contributes to the educational field by emphasizing the role of teachers' support as an innovative approach to holistically enhance teachers' performance in ERT. [ABSTRACT FROM AUTHOR]

Young carers face a variety of challenges at school. While schools can be vital places of support, the assistance they receive at school often seems selective and fails to consider the unique life situations of individual students. This paper examines the perspective of multiple actors in the student's school environment and explores how schools can develop comprehensive, sustainable support systems for young carers—systems that consider and involve as many actors as possible in the student's school environment. In a secondary analysis of two interview studies, we analyzed how young carers as well as their parents, teachers, and school counsellors perceived the school support the carers received. We then developed an integrated model that incorporates these differing perspectives. The model offers an approach for implementing low-threshold support for young carers within existing school structures in relation to their family situation and outlines conditions that can support both recognized and "invisible" young carers, as well as other students. [ABSTRACT FROM AUTHOR]

The four-electron oxidation process of the oxygen evolution reaction (OER) highly influences the performance of many green energy storage and conversion devices due to its sluggish kinetics. The fabrication of cost-effective OER electrocatalysts via a facile and green method is, hence, highly desirable. This review summarizes and discusses the recent progress in creating carbon-based materials for alkaline OER. The contents mainly focus on the design, fabrication, and application of carbon-based materials for alkaline OER, including metal-free carbon materials, carbon-based supported composites, and carbon-based material core–shell hybrids. The work presents references and suggestions for the rational design of highly efficient carbon-based OER materials. [ABSTRACT FROM AUTHOR]

The aim of this study was to explore the role that healthcare professionals, such as pediatricians, psychologists, psychiatrists and sexologists, play in supporting trans children and adolescents in their transition processes. To this end, 22 life stories written by parents of trans children and adolescents who had undergone social transition were collected, and a qualitative analysis was carried out using MAXQDA software. For this purpose, three key periods were considered in the stories: before, during and after the transition. Among other aspects, the stories highlight a major lack of understanding on the part of the professionals who should support trans children and adolescents, and their families, in their transition processes. Parents described the attitude of those professionals who actively listened to their children's needs and were cooperative as positive, even if they do not have the necessary training. The need for specific training in diversity is one of the main conclusions of this study. [ABSTRACT FROM AUTHOR]

Hirschsprung disease is a life-long condition that can have a significant impact on both children and their families. This article explores the role of the clinical nurse specialist and the support they can provide from initial diagnosis through the patient's surgical journey and right through to transition into adult services. Through the provision of education, training, signposting of social and psychological support, and linking in with community-based services, the clinical nurse specialist can help the child and family to limit that impact of the disease. [ABSTRACT FROM AUTHOR]

Background: The surgical treatment of chronic limb-threatening ischemia and optimal conduit choice are extensively debated. The presence of suboptimal autologous material, such as varicosities or venous aneurysms, might impair long-term outcomes. Therefore, kink-resistant external supports have been advocated in the recent literature to improve the conduit quality and outcomes. This study analyzes the FRAME external support in venous ectasic grafts in patients with chronic limb-threatening ischemia. Methods: From September 2017 to September 2023, a total of sixteen patients underwent CLTI surgery with FRAME external support for venous grafts. The inclusion criteria for FRAME applications were varicose or ectasic autologous material with a diameter ≥ 4.5 and ≤ 8 mm in an isolated segment or in the entire vein and a higher risk of bypass extrinsic compression (e.g., extra-anatomical venous bypass course). Results: Technical success and intraoperative patency were achieved in all cases. At 30 days, the limb salvage and survival rates were 100%. The primary bypass patency was 93.7% due to an early graft occlusion. No graft infection was registered. In one case, dehiscence of the surgical wound was treated by surgical debridement and antibiotic therapy. Minor amputation was required in four patients. Over a median follow-up of 32 months, two occlusions were observed; one was treated with reoperation and the other with major amputation. The primary patency was 68.7% and the assisted primary patency was 75%. Limb salvage rates observed during the entire follow-up period were 87.5%. No graft infections or dilatation of the reinforced veins were registered. Conclusions: For patients with CLTI undergoing infrainguinal bypass, satisfactory results in terms of patency and limb salvage rates were achieved using the autologous venous material, even if ectasic or varicose, with the vascular external support FRAME. [ABSTRACT FROM AUTHOR]

Increasing the representation of racially minoritized groups and women in STEM graduate education is insufficient to make STEM fields and academia inclusive and equitable spaces, where all feel supported and thrive. This study was motivated by a phenomenological examination of support for graduate students, focusing on programs that admitted and graduated higher proportions of underrepresented students than their fields. We used negative case analysis to document the interplay of interpersonal and institutional interactions that define what racially/gender minoritized students experience as unsupportive. Guided by an intersectional interpretation of structuration, we uncovered three mechanisms—withholding support, doing racialized and/or gendered harm, and neglecting to take action when students faced known threats/harm—that underlie the unsupportive experiences faced by graduate students of color and women in STEM doctoral education. This typology of unsupportive mechanisms, alongside an understanding of positive types of support, can help practitioners and scholars rethink what constitutes support, moving toward creating equitable and inclusive graduate education. [ABSTRACT FROM AUTHOR]

Graphdiyne (GDY) is considered a very attractive support for metal nanocatalysts due to its unique structure and superior properties. The metal–GDY interaction can significantly affect the performance of catalysts. Herein, GDY nanotubes abundant in in situ formed Cu quantum dots (QDs) (Cu-GDYNT) are prepared using the electrospun polyacrylonitrile nanofibers collected on the surface of electrolytic Cu foil as templates. The diameter of the Cu-GDYNT is controllable and the uniform size of the embedded Cu QDs is about 2.2 nm. And then, the uniformly dispersed and highly active supported catalysts of ruthenium nanoparticles (Rux/Cu-GDYNT) are produced using the Cu-GDYNT as the support. Among them, the Ru3/Cu-GDYNT exhibit outstanding HER performance at all pH levels. Only 17, 67 and 83 mV overpotential is required to reach a current density of 10 mA cm−2 in 1.0 M KOH, 0.5 M H2SO4 and 1.0 M neutral PBS solutions, respectively. The sample exhibits 3000 CV cycle stability and 20 h continuous electrolysis without performance degradation in an alkaline medium. This work provides a new idea for constructing the GDY-supported metal nanocatalysts. [ABSTRACT FROM AUTHOR]

The properties of a catalyst support are closely related to the catalyst activity, yet the focus is often placed on the active species, with little attention given to the support properties. In this work, we specifically investigated the changes in support properties after the addition of P, as well as their impact on catalyst activity when used for catalyst preparation. We prepared the CeO2-ZrO2-P2O5-Al2O3 (CeZrPAl) composite oxides using the sol–gel, impregnation, and mechanical mixing methods, and characterized the support properties using techniques such as XRD, XPS, SEM-EDS, N2 adsorption–desorption, and Raman spectra. The results showed that the support prepared using the sol–gel method can exhibit a more stable phase structure, larger surface area, higher adsorption capacity for oxygen species, and greater oxygen storage capacity. The addition of an appropriate amount of P is necessary. On the one hand, the crystallization and growth of CePO4 can lead to a decrease in the Ce content in the cubic phase ceria–zirconia solid solution, resulting in a phase separation of the ceria–zirconia solid solution. On the other hand, CePO4 can lock some of the Ce3+/Ce4+ redox pairs, leading to a reduction in the adsorption of oxygen species and a decrease in the oxygen storage capacity of the CeZrPAl composite oxides. The research results indicated that the optimal P addition is 6 wt.% in the support. Therefore, we prepared a Pd/CeZrPAl catalyst using CeZrAl with 6 wt.% P2O5 as the support and conducted the catalytic oxidation of C3H8. Compared with the support without P added, the catalyst activity of the support loaded with P was significantly improved. The fresh and aged (1000 °C/5 h) catalysts decreased by 20 °C and 5 °C in T50 (C3H8 conversion temperature of 50%), and by 81 °C and 15 °C in T90 (C3H8 conversion temperature of 90%), respectively. [ABSTRACT FROM AUTHOR]

Postpartum support for new parents can normalize experiences, increase confidence, and lead to positive health outcomes. While in-person gatherings may be the preferred choice, not all parents can or want to join parenting groups in person. Online asynchronous chat spaces for parents have increased over the past 10 years, especially during the COVID pandemic, when "online" became the norm. However, synchronous postpartum support groups have not been as accessible. The purpose of our study was to examine how parents experienced postpartum videoconferencing support sessions. Seven one-hour videoconferencing sessions were conducted with 4–8 parents in each group (n = 37). Nineteen parents from these groups then participated in semi-structured interviews. Feminist poststructuralism and sociomaterialism were used to guide the research process and analysis. Parents used their agency to actively think about and interact using visual (camera) and audio (microphone) technologies to navigate socially constructed online discourses. Although videoconferencing fostered supportive connections and parents felt less alone and more confident, the participants also expressed a lack of opportunities for individual conversations. Nurses should be aware of the emerging opportunities that connecting online may present. This study was not registered. [ABSTRACT FROM AUTHOR]

Association rule learning is a machine learning approach aiming to find substantial relations among attributes within one or more datasets. We address the main problem of this technology, which is the excessive computation time and the memory requirements needed for the processing of discovering the association rules. Most of the literature pertaining to the association rules deals extensively with these issues as major obstacles, especially for very large databases. In this paper, we introduce a method that requires substantially lowers the run time and memory requirements in comparison to the methods presently in use (reduction from O (2 m) to O 2 m 2 in the worst case). [ABSTRACT FROM AUTHOR]

A child's disability, long-term illness, or mental ill-health is known to affect siblings' health, social life, school engagement, and quality of life. This article addresses a research gap by its focus on young sibling carers and the impact of providing care to a sibling. A cross-national survey study was conducted in 2018–2019 (Italy, the Netherlands, Slovenia, Sweden, Switzerland, the UK) to examine the incidence of adolescent sibling carers, the extent of care they provide, and their self-reported health, well-being, and school situation. The survey was completed by 7146 adolescents, aged 15–17, and 1444 of them provided care to family members with health-related conditions. Out of these, 286 were identified as Sibling Carers and 668 as Parent Carers, while 181 had both sibling(s) and parent(s) with health-related conditions, and thus were identified as Sibling–Parent Carers. Sibling Carers and Sibling–Parent Carers carried out higher levels of caring activities compared to Parent Carers. They reported both positive aspects of caring, such as increased maturity, and negative aspects, such as mental ill-health, impact on schooling and a lack of support. To reduce the negative aspects of a sibling carer role, it is important to recognise them and to implement early preventive measures and formal support. [ABSTRACT FROM AUTHOR]

Breast milk is the optimal and essential source of nutrients for babies. Many women, however, do not breastfeed or stop early after giving birth, often due to lack of support. For newborns delivered by caesarean section, there is often a delay, or no skin-to-skin contact after birth; thus, early breastfeeding is not achieved. Separation, complementary feeding or pacifier use also limits the mother's ability to breastfeed. A quantitative, cross-sectional study was conducted. Sociodemographic data, the mode of delivery and postpartum circumstances, information on breastfeeding, and the method and duration of feeding were collected (n = 2008). Two-thirds of children born by caesarean section did not have skin-to-skin contact after birth (p < 0.001). Lack of rooming-in placement increased the incidence of more frequent complementary feeding (p < 0.001) and shortened the duration of exclusive breastfeeding (p < 0.001). The duration of breastfeeding may also be negatively affected by scheduled feeding (p = 0.007) and pacifier utilization (p < 0.001). The mode of delivery and postpartum circumstances directly affecting the mother and the newborn can affect the feasibility of breastfeeding and the duration of exclusive and partial breastfeeding. For positive breastfeeding outcomes, skin-to-skin contact immediately after birth, rooming-in and unrestricted, demand breastfeeding, as well as the avoidance of the use of pacifiers, are recommended. [ABSTRACT FROM AUTHOR]

Diabetes care in institutional settings is a significant challenge that affects the whole family as well as care workers and teachers. The present study is the ideation part of a rigorous development process in the KIds with Diabetes in School (KIDS) project. We have previously conducted a thorough three-part needs assessment in which we explored the problem area from the viewpoints of (1) municipal administrative staff, (2) preschool and school staff and (3) families. Based on the identified needs and to a great extent on the contents and shortcomings of existing guidelines, the objective of the present study is to explore and develop possible solutions and recommendations for addressing the challenges and problems. To meet this objective, we held comprehensive multistakeholder participatory workshops in each of the five Danish regions. Five main themes with multiple subthemes were identified as areas to be addressed: (1) training and knowledge, (2) communication and collaboration, (3) the designated contact/support person, (4) national guidelines, and (5) the Diabetes Coordinator. Our findings demonstrate that communicative structures and dynamics are at the very heart of the identified problems and challenges and that the possible solutions should revolve around improving existing structures and highlighting the importance of constantly working on understanding and developing communication strategies. We propose a set of recommendations for practice based on these communicative needs. [ABSTRACT FROM AUTHOR]

To study how varying the parameters of expansion joints and bearing supports (E-B parameters) affects the dynamic response of a coupled vehicle–bridge system for curved girder bridges, a dynamic response analysis method for the coupled vehicle–joint (bearing)–bridge system, which takes into account centrifugal forces, was proposed and verified. Subsequently, taking a continuous curved box girder bridge as the prototype, the influence of the E-B parameters on the vehicle-induced dynamic response of the curved girder bridge was explored. The results showed that the dynamic amplification factor (DAF) of the middle beam of the expansion joint (DAF-EJ) and the main girder of the curved bridge (DAF-MG) were both significantly influenced by the E-B parameters. When there were height differences between the middle beam and side beam in the EJ, the DAF-EJ obviously varied, and the DAF-MG increased. When the EJ was damaged, the impact effect of the vehicle on the bearing support increased. The DAF-EJ and DAF-MG both increased with the decrease of the vertical support stiffness of the bearing support. The DAF-EJ was greatly affected by the single-support void at the near-slit end of the lane. The DAF-MGs at the beam end, the 1/4 point and 1/2 point of the first span, and the 1/2 point of the second span, were significantly affected by the single-support void near the measuring point. Compared with the single-support void, the DAF-EJ and DAF-MG more significantly increased under the double-support void. Variation in the height difference of the EJ had a more significant effect on the DAF-EJ and DAF-MG at the beam end, while a vertical stiffness reduction in the bearing support had a more significant effect on the DAF-MG. [ABSTRACT FROM AUTHOR]

Background. The management of breast cancer treatments within the limitations of family, social, and professional life is emotionally burdening and negatively affects physical, psychological, and social well-being, reducing the overall quality of life of patients and their families. Methods: This cross-sectional descriptive–analytical study was conducted from March to August 2023 at the "Dr. Radivoj Simonović" General Hospital in Sombor. A total of 236 breast cancer patients participated in this study. The research was conducted using the following instruments: a questionnaire on sociodemographic and clinical characteristics of patients, the Berlin Social-Support Scales—for assessing social support—and the Connor–Davidson Resilience Scale—for assessing resilience. This study aimed to determine the predictors and levels of social support and resilience of breast cancer patients. We also wanted to examine whether resilience is a mediator between patients' sociodemographic and clinical characteristics and levels of social support. Results: The total average value of social support was 3.51 ± 0.63, while on the resilience scale, the respondents achieved a total average score of 52.2 ± 9.63. Perceived and actually received social support of breast cancer patients were positively correlated with resilience [p < 0.01], while no statistically significant correlations were found for the need for support and satisfaction. The sets of predictors can significantly predict their effects on all types of perceived social support (emotional social support: 9%; perceived instrumental social support: 9%) and all types of received social support (actually received emotional social support: 8%; actually received instrumental social support: 7%; actually received informational social support: 8%). There is a potential mediating role of resilience in relation to sociodemographic factors, clinical characteristics, and the need for support. Conclusion: This study confirms that a strong connection exists between social support and resilience. However, the analysis did not confirm the mediating role of resilience between the sociodemographic and clinical characteristics on the one hand and social support on the other. [ABSTRACT FROM AUTHOR]

Background: Grossly bloody colostrum is defined as the presence of brownish or bloody-colored colostrum. The frequency is determined to be 0.1% of all births, and no predisposing factor for its occurrence was determined. The purpose of this study was to find factors that increase the probability of the syndrome and the possible influence of the presence of erythrocytes (red blood cells—RBCs) in breast milk on the symptoms of maternal milk intolerance in newborns. Methods: Here, 2 mL of colostrum was collected from 137 participants on postpartum days 1–3, separately from each breast, and transferred to the laboratory. For microscopic analysis, 0.5 mL of colostrum was centrifuged and then stained using the May–Grünwald–Giemsa method. Using an Olympus BX 43 light microscope at 400× total magnification, samples were visually assessed for the presence of RBCs. Additionally, the participants completed a questionnaire regarding their health status, observation of feeding tolerance of the newborn, observed milk color and other factors. Results: The number of RBCs in the yellow or white colostrum samples ranged from 8 to 1000 RBCs/mL and was found in 24.8% of cases. Regardless of the number of RBCs, the color of the milk was white (28.5%) or yellow (66.4%). Only one participant (0.7%) presented classical bloody-stained colostrum with visible bloody-milk colorization. We did not observe the influence of any analyzed factor as the reason for the increased number of RBCs in the colostrum. Conclusions: The presence of RBCs in breast milk did not cause milk intolerance among newborns and was independent of the analyzed factors. Mothers should be supported, and in view of the overall composition of breast milk, especially the content of immune cells in colostrum, even a temporary interruption in breast milk feeding in the case of grossly bloody colostrum is not recommended. [ABSTRACT FROM AUTHOR]

The growth in online higher education has seen the 'unbundling' of some services as universities have partnered with private companies in an effort to enhance their services. This paper explores university students' use and perceptions of the third-party online learning support platform, Studiosity, at Dublin City University. Studiosity was engaged to support undergraduate and postgraduate distance students, by offering support beyond existing campus-based services. This research employs a primarily inductive research design drawing on data collected through the third-party provider (2018–2020), supplemented by an in-house online survey (2019). Students were overwhelmingly positive about Studiosity. Postgraduate students, arguably students with good academic skills, used the service more than first-year undergraduate students. However, first-year undergraduates, a group the literature suggests are reluctant users of institutional support, were also strong users. Questions emanating from postgraduate students demonstrated expedient help-seeking. First-year undergraduate students were more concerned with explanations to help their understanding in order to persist with their studies. This paper posits that all other things being equal, those who already have strong academic capital will be the greatest users of academic support services. Proactive, less formal academic support strategies to encourage use by those who need help most, remain critical. [ABSTRACT FROM AUTHOR]

Despite the fact that most persons with schizophrenia find steady employment difficult to sustain, many women with this diagnosis embrace and fulfill the most difficult task of all—motherhood. The aim of this paper is to specify the challenges of motherhood in this population and review the treatment strategies needed to keep mothers and children safe, protecting health and fostering growth. The review addresses concerns that had been brought to the author's earlier attention during her clinical involvement with an outpatient clinic for women with psychosis. It is, thus, a non-systematic, narrative review of topic areas subjectively assessed as essential to "good enough" mothering in the context of schizophrenia. Questions explored are the stigma against motherhood in this population, mothers' painful choices, issues of contraception, abortion, child custody, foster care and kin placement of children, the effects of antipsychotics, specific perinatal delusional syndromes, and, finally, the availability of parental support. This review is intended for clinicians. Recommendations are that care providers work collaboratively with mothers, take note of their strengths as well as their failings, offer a wide array of family services, monitor households closely for safety and for treatment adherence, appreciating the many challenges women with schizophrenia face daily. [ABSTRACT FROM AUTHOR]

This paper presents an analysis of the emergence and development of the so-called community perspective of inclusive education. Our work aims to provide a conceptual framework where this community perspective is conceptualized, and the traits that characterize it from the viewpoint of researchers and academics that specialize in the subject are identified. To this end, a qualitative documentary review of an interpretative nature has been conducted through a systematic review of the relevant international literature from the last 40 years. This process has enabled us to demonstrate the existence of different generations within this community perspective. In this sense, the first generation that has been identified is supported by the organizational perspective of inclusive education, while the second generation is strongly influenced by what is nowadays known as inclusive research, which incorporates the ethics of inclusion, the voices of those involved and participation as identity hallmarks. While there is an evolution in the perspectives themselves, it is also concluded that they converge towards a common trunk that is defined by the collaboration, support and role played by the community in the articulation of inclusive cultures, policies and practices. [ABSTRACT FROM AUTHOR]

The article describes the basic parts and the overall design of the laboratory machine, which can be used to measure vibrations generated by a rotating conveyor roller attached to the flattened parts of its axis in the cut-outs of the conveyor idler support. On the structurally modified support of the conveyor idler consisting of the insertion of a plastic element placed between the roller axis and the support cut-out, the vibration acceleration values of the rotating roller from symmetric analysis were measured and compared with the values from asymmetric analysis of the traditional roller axis placement in the steel support. The size of the peripheral speed of the roller was determined, during the experimental measurements, by controlling the speed of the electric motor using a frequency converter. The obtained results of the measured values of vibration velocities in three mutually perpendicular planes showed a reduction in vibration values of about 15% when using plastic holders. The paper aims to present one of the possible technical solutions that can limit the vibration values transmitted to the supporting structure of the conveyor belt, generated by the rotating casing of the conveyor roller. [ABSTRACT FROM AUTHOR]

Chronic obstructive pulmonary disease stage III or IV is a progressive and incurable disease. The hallmark of the disease is breathlessness, and it is graded into four different stages, from mild to severe. Living with chronic obstructive pulmonary disease impacts almost every aspect of everyday life for an affected person. As the illness progresses to stages III and IV, the need for support from close relatives increases. The aim of this study was to explore and describe the experiences of close relatives of women with chronic obstructive pulmonary disease stage III or IV and it used qualitative content analysis of individual, semi-structured interviews. Close relatives (n = 9) were interviewed about their experience of being close to a woman with chronic obstructive pulmonary disease stage III or IV. They experienced stress and uncertainty in an unpredictable everyday life. Close relatives supported the women both practically and emotionally and they called for tailored information about the illness, considering it as an essential tool for support. The results highlighted that healthy close relatives had difficulty in understanding the experience of living with chronic obstructive pulmonary, as they take the simple fact of breathing for granted most of the time. [ABSTRACT FROM AUTHOR]

Simple Summary: The use of assistance dogs has the potential to provide a myriad of benefits to older adult owners, far beyond mere utility. However, despite legislation designed to prevent discrimination in accommodation for owners and assistance dogs, many aged care facilities continue to not allow owners to retain their dogs on relocation. Through deliberative democracy, the study used a panel of key stakeholders to explore the issue. Specifically, the complexities behind whether owners should be allowed to retain their dog, what should be considered in making this decision, and what the best practice would be in allowing this. It was suggested that by introducing objective initial and ongoing assessments for the owner, dog, and facility, it would allow for a fair decision that considers the safety and well-being of all involved. Further, the implementation of sufficient policies and procedures would help support all involved, whether the dog is able to be retained by the owner or not. Assistance dogs provide significant benefits to older adult owners. However, despite protective legislation, aged care facilities continue to not allow owners to retain their dogs on relocation. The purpose of the current study was to explore whether older adults should be allowed to retain their dog on relocation to an aged care facility, and what factors should impact this decision. Further, if allowed to retain their dog, what would be the best practice to allow for this? A deliberative democracy methodology was used, with a range of key stakeholders recruited. Focus groups were held, with follow-up questionnaires to establish deliberation for all questions. Results indicated that with sufficient objective measurement, fair decisions can be made to ensure the welfare and well-being of the owner and dog. Key policy and procedure changes would also be necessary to ensure ongoing support, such as training, care plans, and emergency directives. By ensuring sufficient policies and procedures are in place, training and support could lead to an ideal outcome where facilities could be at the forefront of a better future for aged care. [ABSTRACT FROM AUTHOR]

Since online social networks play an increasingly important role in the final voting decision of each individual, political parties and candidates are changing the way of doing politics and campaigning, increasing their digital presence. In this paper, we propose a methodology to analyze and measure the emotions that news agencies express on social media towards candidates and apply it to the 2018 Brazilian elections. The presented method is based on a sentiment analysis and emotion mining by means of machine learning and Natural Language Processing approaches such as Naïve Bayes classification and Stemming calculation. We found that if doing basic sentiment detection, nearly all posts are neutral. However, when we analyze emotions, following Ekman's six basic emotions, we do not find neutrality but clear and identifiable emotions. Next, we present and discuss the associative patterns between news agencies and presidential candidates. Finally, since the candidate that captured the highest and most negative attention emerged victorious in the elections, we discuss the potential importance of having a social media presence, regardless of generating positive or negative emotions. [ABSTRACT FROM AUTHOR]

Compassion fatigue (CF) poses significant challenges to healthcare workers' (HCWs) well-being. This study aimed to estimate the prevalence of CF and identify its predictive factors among HCWs in all regions of Saudi Arabia (SA). As such, all HCWs from different disciplines in different centers were allowed to participate, resulting in 678 participants. The study tool, distributed between October 2022 and January 2023, consisted of a questionnaire created by the authors based on the Professional Quality of Life Scale (ProQOL). The ProQOL measures the positive (compassion satisfaction [CS]) and negative (CF) effects of helping those who have suffered, noting that burnout (BO) and secondary traumatic stress (STS) are the two subscales that constitute CF. Our findings revealed that 63.9% of HCWs experienced average STS, while 57.2% reported average BO levels. HCWs in the southern and northern regions exhibited higher STS (p-value = 0.003 and 0.010, respectively). Physicians displayed higher BO levels (p-value = 0.024). Higher levels of CS were found among older HCWs (p-value = 0.001) and lower levels among those with more years of experience (p-value = 0.004). Support at work and job, life, and financial income satisfaction were significantly and positively correlated with CS and negatively correlated with BO and STS. These findings highlight the need for tailored awareness campaigns targeting HCWs, particularly physicians, to promote well-being, enhance coping skills, and foster problem-solving techniques. Keywords: burnout; compassion fatigue; compassion satisfaction; healthcare workers; professional quality of life; Saudi Arabia; secondary traumatic stress; medical trainees' well-being. [ABSTRACT FROM AUTHOR]

A detailed critical analysis of the scientific literature data concerning catalysts for CO2 methanation based on nickel supported over oxides was performed. According to the obtained information, it seems that an ionic support is necessary to allow a good nickel dispersion to produce very small nickel metal particles. Such small metal particles result in being very active toward methanation, limiting the production of carbonaceous materials. The use of support and/or surface additives gives rise to medium surface basicity, allowing medium-strong adsorption of CO2, and it is also advisable to increase the reaction rate. A medium nickel loading would allow the free support geometric surface to be covered densely by small nickel metal particles without the production of larger Ni crystals. It is also advisable to work at temperatures where Ni(CO)4 formation is not possible (e.g., >573 K). The promising properties of systems based on doped Ni/Al2O3, doped with basic and re-active oxides such as MnOx or/and CeO2, and those based on Ni/CeO2 were underlined. [ABSTRACT FROM AUTHOR]

The global demand for mineral resources has led to the gradual transformation of the mining industry from the traditional shallow, small-scale mining mode to the high-intensity mining of deep underground mines. Due to the high stress, high temperature, high permeability, and easy disturbance of deep mines, new challenges have been brought to the mining of materials. Some scholars have improved the thermal insulation performance of concrete by adding low thermal conductivity materials such as ceramsite, shell, and natural fiber to traditional shotcrete, but there are still high costs, insufficient support strength, and unsatisfactory thermal insulation effects. Given the background related to the fact that it is still not possible to fully recycle the large amount of solid waste generated by mining activities, this paper, with traditional shotcrete as its basis, uses coal fly ash to replace part of the cement and tailings to replace part of the sand and gravel aggregate. In addition, it adds basalt fiber to reduce thermal conductivity and restore strength. An orthogonal experiment of three factors and three levels was designed to explore a new type of solid waste-based thermal insulation support shotcrete material. Through the testing and analysis of the mechanical and thermal properties of the specimens, it was concluded that the optimal ratio of the materials was 45% fly ash, 50% tailings, and 25% basalt fiber (the percentage of the total mass of fly ash and cement). The compressive strength of the specimens after curing for 28 days could reach 16.26 MPa, and the thermal conductivity and apparent density were 0.228561 W/(m·k) and 1544.00 kg/m3, respectively. By using COMSOL Multiphysics multi-physics coupling software to analyze the coupling of the stress field and temperature field, it was concluded that the optimum thickness of the thermal insulation layer of this material was 150 mm. The field application in a mine in Shandong Province proved that it met the effects of thermal insulation (the ability to isolate heat conduction) and support. The successful trial of this material provides a new idea for the solving of the problem of heat damage and solid waste utilization in deep mines, which has a certain practical significance. [ABSTRACT FROM AUTHOR]

In the Kabbalah creation myth, God creates the universe by "stepping back", releasing ten holy vessels with his light—only to have those vessels shatter with shards of divine light, or "shards" scattered throughout the earth. In a parallel approach, this paper suggests that the sacred must be sought in diverse encounters within everyday life and professional practice. In counseling or other therapeutic support, the definition of and search for spiritual dimensions must be broadened to thoughtfully incorporate the diverse experiences and expressions of people with intellectual disabilities. Similarly, those who seek to understand people's relationship with the divine and support meaning in their lives must welcome a wide range of "artistic" engagements, an approach exemplified in grief and loss intervention. This article concludes by pointing towards resonance as a helpful concept to reconceptualize accessible spirituality in future work. [ABSTRACT FROM AUTHOR]

Today, pipelines are the safest and most economical way to transport petroleum products and one of the key components of modern energy infrastructure. Nevertheless, pipeline systems are associated with certain risks that can lead to environmental disasters. The idea of carrying out this study was initiated by the results of the survey of the overpasses of the long-used oil pipelines laid in the mountainous area of the Carpathian region. Defects such as a change in the shape of the pipe and local bulges in the area of oil pipeline support nodes were detected. The explanation of the described problem is separate from the typical algorithms of design calculations, which are offered to manufacturers by current directive documents. The desire to provide an explanation and quantitative assessment of the detected defects became the main motivation for writing the article. An analytical model of the interaction of the oil pipeline with the rigid support has been developed. Additional internal loads in the cross-section of the pipe and displacement of its middle surface, which arise as a result of such interaction, are determined. The method of determining the reaction in the intermediate support of the overpass of the oil pipeline has been developed, considering the properties of the soil base in the underground sections and the mounting gap in the support node. The analytical dependence was obtained to determine the additional hoop stresses that arise in the oil pipeline due to the contact of the pipe with the support. The unambiguous relationship between the maximum additional hoop stress and the reaction in the support node was established. The dependence of additional hoop stresses on the geometric characteristics of the pipes was analyzed. The obtained research results are tested on the real structure of the overpass of the Druzhba oil pipeline, built in the Carpathians. In general, a simple engineering technique has been developed that allows analyzing the behavior of the oil pipeline support node and provides the numerical correction to the traditional strength assessment formulas, which determine the equivalent stresses in the oil pipeline. [ABSTRACT FROM AUTHOR]

Background: A diagnosis of phenylketonuria (PKU) in an infant is a devastating and overwhelming event for their parents. Providing appropriate information and support is paramount, especially at the beginning of a child's life. Investigating if parents are receiving the right support is important for continued care. Methodology: An online survey was distributed to explore parents' perceptions of current support and information provided by their healthcare provider and to rate sources of other support (n = 169 participants). Results: Dietitians received the highest (85%) rate of "very helpful" support. Overall, parents found Facebook to be helpful for support but had mixed reactions when asked if healthcare professionals (HCPs) should provide advice as part of the groups. When rating the most effective learning methods, the top three were 1:1 teaching sessions (n = 109, 70%), picture books (n = 73, 50%), and written handouts (n = 70, 46%). Conclusion: Most parents are happy with the support and information they receive from their dietitian but required more support from other HCPs. Facebook groups provide parents with the social support that HCPs and their family may be unable to offer, suggesting a place for social media in future PKU care. [ABSTRACT FROM AUTHOR]

Highlights: What are the main findings? The HCl treatment of porous carbon can generate abundant hydroxyl and carboxyl groups, while the further heat treatment can transform into thermally stable carbonyl and ether groups. Carbonyl and ether groups within porous carbon supports is beneficial to the improvement of HER performance of catalysts. What is the implication of the main finding? The surface properties of porous carbon supports can be well tuned via a HCl treatment followed by an appropriate heat treatment. The feasible improvement of HER performance by regulating surface oxygen functional groups of porous carbon supports. The oxygen functionalization of carbon materials has widely been employed to improve the catalytic performance of carbon-supported Pt (Pt/C) catalysts. Hydrochloric acid (HCl) has often been employed to clean carbons during the preparation of carbon materials. However, the effect of oxygen functionalization through a HCl treatment of porous carbon (PC) supports on the performance of the alkaline hydrogen evolution reaction (HER) has rarely been investigated. Herein, the impact of HCl combined with the heat treatment of PC supports on the HER performance of Pt/C catalysts has been comprehensively investigated. The structural characterizations revealed similar structures of pristine and modified PC. Nevertheless, the HCl treatment resulted in abundant hydroxyl and carboxyl groups and the further heat treatment formed thermally stable carbonyl and ether groups. Among the catalysts, Pt loading on the HCl-treated PC followed by a heat treatment at 700 °C (Pt/PC-H-700) exhibited elevated HER activity with a lower overpotential of 50 mV at 10 mA cm−2 when compared to the unmodified Pt/PC (89 mV). Pt/PC-H-700 also exhibited better durability than the Pt/PC. Overall, novel insights into the impact of the surface chemistry properties of porous carbon supports on the HER performance of Pt/C catalysts were provided, which were useful for highlighting the feasible improvement of HER performances by regulating the surface oxygen species of porous carbon supports. [ABSTRACT FROM AUTHOR]

China has abundant coal resources, and the distribution of coal seams is complex. Thick coal seams account for more than 45% of all coal seams. Fully mechanized top coal caving mining has the advantages of large production, high efficiency, and low cost. In fully mechanized caving mining, especially in fully mechanized caving mining of extra-thick coal seams, the mining space is ample, the mine pressure is severe, and the roadway maintenance is complex. As a result, it is necessary to summarize and discuss the gob-side entry driving of fully mechanized caving in theory and technology, which will help to promote the further development of fully mechanized caving gob-side entry driving technology. First, in recent years, the research hotspots of gob-side entry driving have focused on the deformation mechanism and the control method of the roadway surrounding rock. Secondly, this paper discusses the theoretical models of the "triangle-block" and "beam" for the activity law of the overlying strata in gob-side entry driving, including the lateral breaking "large structure" model, compound key triangle block structure model in the middle and low position, the high and low right angle key block stability mechanics model, elastic foundation beam model, low-level combined cantilever beam + high-level multilayer masonry beam structure model, and the vertical triangular slip zone structure model. It introduces the "internal and external stress field theory" and the "stress limit equilibrium zone model". Thirdly, it summarizes several numerical simulation analysis methods in different conditions or research focuses and selects appropriate constitutive models and simulation software. Finally, it introduces surrounding rock control technology, including two ribs, the roof, and under challenging conditions. It provides a method reference for support in similar projects. [ABSTRACT FROM AUTHOR]

Because of the growing demand for high-quality fuels, the light cycle oil fraction improvement including cetane number improvement is important. The main way to reach this improvement is the ring opening of cyclic hydrocarbons, and a highly effective catalyst should be found. Cyclohexane ring openings are a possible option to investigate the catalyst activity. In this work, we investigated rhodium-loaded catalysts prepared using the commercially available industrial supports: single-component ones, SiO2 and Al2O3; and mixed oxides CaO + MgO + Al2O3 and Na2O + SiO2 + Al2O3. The catalysts were prepared by incipient wetness impregnation and investigated by N2 low-temperature adsorption-desorption, XRD, XPS, DRS UV-Vis and DRIFT spectroscopy, SEM, and TEM with EDX. The catalytic tests were performed in cyclohexane ring opening in the range of 275–325 °C. The best result was demonstrated by the sample 1Rh/CaMgAlO: the selectivity to n-hexane was about 75% while the cyclohexane conversion was about 25% at 275 °C. The space-time yield was up to 12 mmoln-hexane gcat−1h−1. [ABSTRACT FROM AUTHOR]

Parents with adolescents who abuse substances need support. They have high stress levels and low quality of life compared to other parents. This is because they have unmet support needs, do not know what to do to help their adolescents, and are distressed. Most studies focus on the support needs of adolescents. Less is known about the specific support needs of their parents. This study explores the support needs of parents of adolescents abusing substances and being treated in five hospitals in Limpopo Province. A qualitative research approach was applied with an explorative, descriptive, and contextual design using semi-structured interviews to understand parents' views. Data saturation was reached at the 14th parent. Data were analyzed using the Tesch method. The parents mainly wanted informational and emotional support. The study identified specific parent-related support needs and adolescent-related support needs. This study is the first to explore the support needs of parents of adolescents abusing substances in a South African rural context. [ABSTRACT FROM AUTHOR]

Social entrepreneurship (SE) is a new form of entrepreneurship dedicated to the creation of social value for its beneficiaries, either as a for-profit or not-for-profit enterprise. While, over the years, research has yielded notable insights regarding, e.g., social entrepreneurial nascence and motivations or contextual factors (dis-)favoring SE activity, not much is known about the resources social entrepreneurs have to maintain their mental well-being (MWB), which is essential for successfully accomplishing their social missions. The current study takes a psychological view, identifies four resource clusters (personality, work design, external support, and provision of social impact), and integrates these to empirically explore their predictive values for job-specific and general MWB. Building on a representative sample of South African social entrepreneurs from Gauteng and Limpopo Provinces, we apply structural equation modeling and find positive effects on social entrepreneur's MWB in all resource clusters. Moreover, comparing for-profit and not-for profit social entrepreneurs yields differences in the levels and mechanisms of their MWB resources. Despite notable limitations, such as using cross-sectional data and a limited sample generalizability, our work offers the first framework shedding light on social entrepreneurs' MWB-resources that can serve as a basis for future research and help SE-support programs to sustainably promote social entrepreneurs' MWB. [ABSTRACT FROM AUTHOR]

Cellulose is the most abundant natural biopolymer and owing to its compatibility with biological tissues, it is considered a versatile starting material for developing new and sustainable materials from renewable resources. With the advent of drug-resistance among pathogenic microorganisms, recent strategies have focused on the development of novel treatment options and alternative antimicrobial therapies, such as antimicrobial photodynamic therapy (aPDT). This approach encompasses the combination of photoactive dyes and harmless visible light, in the presence of dioxygen, to produce reactive oxygen species that can selectively kill microorganisms. Photosensitizers for aPDT can be adsorbed, entrapped, or linked to cellulose-like supports, providing an increase in the surface area, with improved mechanical strength, barrier, and antimicrobial properties, paving the way to new applications, such as wound disinfection, sterilization of medical materials and surfaces in different contexts (industrial, household and hospital), or prevention of microbial contamination in packaged food. This review will report the development of porphyrinic photosensitizers supported on cellulose/cellulose derivative materials to achieve effective photoinactivation. A brief overview of the efficiency of cellulose based photoactive dyes for cancer, using photodynamic therapy (PDT), will be also discussed. Particular attention will be devoted to the synthetic routes behind the preparation of the photosensitizer-cellulose functional materials. [ABSTRACT FROM AUTHOR]

Renewed interest in CO2 methanation is due to its role within the framework of the Power-to-Methane processes. While the use of nickel-based catalysts for CO2 methanation is well stablished, the support is being subjected to thorough research due to its complex effects. The objective of this work was the study of the influence of the support with a series of catalysts supported on alumina, ceria, ceria–zirconia, and titania. Catalysts' performance has been kinetically and spectroscopically evaluated over a wide range of temperatures (150–500 °C). The main results have shown remarkable differences among the catalysts as concerns Ni dispersion, metallic precursor reducibility, basic properties, and catalytic activity. Operando infrared spectroscopy measurements have evidenced the presence of almost the same type of adsorbed species during the course of the reaction, but with different relative intensities. The results indicate that using as support of Ni a reducible metal oxide that is capable of developing the basicity associated with medium-strength basic sites and a suitable balance between metallic sites and centers linked to the support leads to high CO2 methanation activity. In addition, the results obtained by operando FTIR spectroscopy suggest that CO2 methanation follows the formate pathway over the catalysts under consideration. [ABSTRACT FROM AUTHOR]

A series of neodymium oxide-supported cobalt catalysts with cobalt content ranging from 10 to 50 wt.% was obtained through the recurrent deposition-precipitation method. The effect of active phase, i.e., metallic cobalt, content on structural parameters, morphology, crystal structure, surface state, composition and activity of the catalysts was determined after detailed physicochemical measurements were performed using ICP-AES, N2 physisorption, XRPD, TEM, HRTEM, STEM-EDX, H2-TPD and XPS methods. The results indicate that the catalyst activity strongly depends on the active phase content due to the changes in average cobalt particle size. With the increase of the cobalt content, the productivity per catalyst mass increases, while TOF maintains a constant value. The TOF is below average only for the catalyst with the lowest cobalt content, i.e., when the average Co particle size is below 20 nm. This is due to the predominance of strong hydrogen binding sites on the surface, leading to hydrogen poisoning which prevents nitrogen adsorption, thus inhibiting the rate-determining step of the process. [ABSTRACT FROM AUTHOR]

The summary-data-based Mendelian randomization (SMR) method is gaining popularity in estimating the causal effect of an exposure on an outcome. In practice, the instrument SNP is often selected from the genome-wide association study (GWAS) on the exposure but no correction is made for such selection in downstream analysis, leading to a biased estimate of the effect size and invalid inference. We address this issue by using the likelihood derived from the sampling distribution of the estimated SNP effects in the exposure GWAS and the outcome GWAS. This likelihood takes into account how the instrument SNPs are selected. Since the effective sample size is 1, the asymptotic theory does not apply. We use a support for a profile likelihood as an interval estimate of the causal effect. Simulation studies indicate that this support has robust coverage while the confidence interval implied by the SMR method has lower-than-nominal coverage. Furthermore, the variance of the two-stage least squares estimate of the causal effect is shown to be the same as the variance used for SMR for one-sample data when there is no selection. [ABSTRACT FROM AUTHOR]