Search Results (14,048)

Background: Adults with disabilities living in low-resource communities experience persistent inequities in access to healthcare, mental health services, and community participation. However, qualitative data capturing lived experiences in the Deep South remain limited. This study aimed to identify priority needs among adults with mobility disabilities residing in economically distressed communities near Birmingham, Alabama, to inform future telehealth programming. Methods: Fifteen adults (mean age = 60 ± 10 years), predominantly African American and female, completed semi-structured phone interviews exploring basic needs, neighborhood accessibility, health priorities, and perceived supports. Interviews were audio-recorded, transcribed verbatim, and analyzed using Braun and Clarke’s six-phase thematic analysis. Results: Five themes emerged: (1) seeking stability amid severe mental health strain and inadequate supports; (2) constrained food environments shaped by cost, location, and safety; (3) feeling forgotten: systemic neglect and restricted participation in community life; (4) physical health deprioritized by competing needs and structural barriers; and (5) remote support as a viable but unrealized option. Participants described how safety concerns, transportation barriers, and rising food costs constrained daily functioning, while unmet mental health needs compounded isolation. Despite widespread cardiometabolic disease, immediate needs related to mental health, food, and housing consistently superseded physical health. Mental health support was identified as the most feasible area for remote delivery, though poor awareness of available resources limited engagement with any service model. Conclusions: Findings demonstrate that disability-related disparities in low-resource communities are driven largely by structural and environmental factors rather than individual choice. Telehealth and mobile-based services may provide a feasible access strategy for mental health and supportive care in under-resourced settings, particularly when integrated with broader community supports. Addressing foundational needs is essential for advancing health equity among people with disabilities in the Southeast. Full article

Postsecondary institutions are seeing an increased prevalence of student mental health concerns and disabilities, highlighting the need for campus-based approaches that support student well-being. While college campuses provide many services to support students, occupational therapists are largely absent from these support systems, despite growing interest in this emerging field of practice. This program description and implementation case study examines preliminary indicators of feasibility for the WILL Thrive program, which delivered occupational therapy (OT) services on a college campus through a Level II fieldwork placement. Feasibility was examined across domains of acceptability, demand and implementation using an integrated approach combining a needs assessment, service development and process evaluation. Data sources included environmental observations, surveys, stakeholder interviews and process evaluation measures, including service delivery tracking, referral patterns, and resource utilization. Referrals and service utilization in this case were most frequently observed among students reporting neurodevelopmental and mental health-related functional challenges, providing preliminary indicators of potential service users, though a small, heterogeneous sample size limits generalizability. Referral patterns and engagement from the wellness center and accessibility staff highlight preliminary strengths of the program, including early indicators of acceptability and demand. In contrast, implementation barriers were also identified, including limited campus-wide understanding of the OT scope and role and constraints in on-campus OT supervision. Findings offer early, exploratory signals of feasibility for integrating OT services through an OT fieldwork II model and suggest that OT may complement existing campus supports by addressing participation-focused, functionally orientated needs. Results should be viewed as preliminary and inform future implementation studies that include systematic outcome measures, comparative analysis with existing services, and broader assessment across diverse higher education contexts. Full article

The continued advancement of small unmanned aircraft systems (UASs) has resulted in growing concerns regarding the potential threat that UASs present. To deal with harmful or disruptive drones, techniques that can be performed using affordable, widely distributed sensor platforms would provide an immense benefit. One such sensor platform is Android smartphones, which continue to see improved sensor quality and orientation estimation while being prevalent worldwide. In this work, the results of crowdsourced drone localization experiments using a custom-built Android smartphone app will be presented. Using GPS positions and angular measurements collected from human-operated smartphones, the ability to localize a static and dynamic target will be demonstrated, as the positions of these targets are estimated from the intersection of line-of-sight vectors. The results from these tests show that the position of these targets can be computed to below 10 m using correction techniques to alleviate measurement errors introduced by environmental or human factors. The results from these tests validate the potential of using readily available smartphones as sensor platforms as an alternative to specially designed localization technology. The inclusion of environmental and human errors can significantly influence the resulting solution, but steps can be taken to alleviate their impact. Full article

Background: Improper disposal of unused and expired medicines represents an environmental and public health concern. In Romania, Law No. 269/2023 assigned the responsibility for collecting household pharmaceutical waste to public and private hospitals, while operational procedures were further detailed in the Ministry of Health (MoH) Instruction No. 6226/2024. Objectives: This study aimed to assess knowledge, attitudes, and practices (KAP) related to the disposal of unused and expired medicines among the general public and community pharmacy staff during the early phase of implementation of the hospital-based medicine take-back system in Romania. Methods: A cross-sectional survey using convenience sampling was conducted between 1 and 31 August 2023. Two structured questionnaires were administered: one targeting the general public/patients and another addressing community pharmacy staff. Data were analyzed descriptively using frequencies and percentages. Several items allowed multiple responses. Results: Among public respondents (n = 108; predominantly male, 90.7%; urban, 75.0%), household waste disposal was the most frequently reported method (58.3%), followed by pharmacy return (43.5%). Willingness to use a dedicated collection system was very high (96.3%). Among pharmacy staff (n = 71; predominantly female, 78.9%; urban, 74.6%), 40.8% reported no collection activity; where collection occurred, it was typically on demand. Disposal routes included transfer to specialized waste companies (56.3%) and regulated destruction (43.7%). Only 1.4% of pharmacies offered incentives, while 45.4% of the public indicated discounts could motivate returns. Conclusions: Findings indicate an implementation and communication gap during the transition to a hospital-based pharmaceutical waste collection system. Strengthening public communication on official collection points and providing clearer operational guidance may support safer disposal practices. Full article

The aviation industry is increasingly prioritizing sustainability, with significant focus on the development of Hybrid-Electric Aircraft (HEA). By integrating electric motors with conventional combustion engines, HEA systems offer substantial environmental benefits and operational efficiency improvements. However, the successful implementation of HEA technologies is contingent upon advancements in power converter systems. This paper addresses the critical need for sustainable aviation solutions by examining the challenges and opportunities associated with High-Efficiency Aviation Power (HEAP) technology. Specifically, the study investigates the role of power converters in Hybrid-Electric Aircraft Propulsion systems, with a particular emphasis on addressing key concerns such as weight reduction, compact design, and system reliability. A comparative analysis of three converter topologies is conducted: two established configurations serve as baseline references, while a third topology, a modular, fault-tolerant DC-DC converter, is proposed for the first time in the context of hybrid-electric aircraft. Its novelty lies in the system-level use of redundancy to offer an inherent architectural advantage against cosmic-ray-induced failures a critical aviation reliability challenge that existing converter topologies do not address through hardware redundancy. This qualitative reliability advantage is presented as an architectural feature, pending quantitative validation through future hardware testing and mean-time-between-failures (MTBF) analysis. This exploration is essential for identifying the most suitable configuration for HEA integration, with the goal of overcoming challenges related to lightweight design, high efficiency, and reliability. The findings contribute to the advancement of more sustainable and efficient aviation solutions by demonstrating the potential of the proposed converter architecture. Full article

The urban trade in non-timber forest products (NTFPs) plays a key role in sustaining livelihoods in the Global South, while also suggesting potential pressure on resource supply systems. This study provides an integrated analysis of NTFP diversity, market structure, economic importance, and perceived drivers of resource decline in Kolwezi, a rapidly expanding mining city where such dynamics remain poorly documented. Data were collected through surveys conducted with 35 sellers across two major urban markets and 384 consumers from different neighbourhoods and analysed using descriptive and inferential statistics to examine patterns, associations, and socio-demographic influences. A total of 65 NTFP species were recorded, including 49 plant, 14 animal, and 2 fungal species, reflecting strong dependence on Miombo ecosystems. Medicinal (59.3%) and food uses dominate, with multifunctional species such as Bobgunnia madagascariensis (Desv.) J.H.Kirkbr. & Wiersama, Canarium schweinfurthii Engl., Terminalia mollis M.A.Lawson, Gardenia ternifolia subsp. jovis-tonantis (Welw.) Verdc., and Albizia antunesiana Harms, playing a central role in both household use and market supply. The trade is largely female-dominated (79.1%) and constitutes a major component of the informal urban economy, with monthly incomes ranging from USD 9 to 429.3, primarily driven by sales volume rather than unit price. However, the sector is constrained by structural and logistical limitations, including remoteness of supply areas, seasonality, and limited value addition. The perceived declining availability of high-use-value species, attributed by respondents to deforestation, mining expansion, and overexploitation, highlights perceived sustainability concerns. These pressures are perceived differently across socio-demographic groups, indicating heterogeneous understandings of environmental change. Overall, the results indicate a perceived mismatch between rising urban demand and declining resource availability, which may reflect an emerging socio-ecological imbalance between urban demand and perceived resource availability. Addressing these challenges requires integrated strategies that combine the domestication of priority species, the development of processing chains, improved infrastructure, and strengthened governance mechanisms. Such approaches are essential to reconcile livelihood support with the sustainable management of NTFPs in rapidly transforming urban landscapes. Full article

Soil-borne diseases pose a severe threat to global agricultural production and food security. Traditional chemical control methods face significant challenges, including environmental pressure, pathogen resistance, and food safety concerns. The rhizosphere microbial community, often termed the plant’s ‘second genome’, plays a pivotal role in maintaining plant health and defending against pathogen invasion. Recent advances in multi-omics technologies, synthetic microbial communities (SynComs) construction, and rhizosphere metabolomics have significantly advanced our understanding of the mechanisms by which rhizosphere microbiomes suppress soil-borne diseases. This review systematically summarizes the following: 1. key drivers of rhizosphere microbial community assembly, particularly plant “cry for help” signaling; 2. core beneficial microbial taxa and their disease-suppressive mechanisms; 3. the critical role of microbial interaction networks; 4. microbiome-based management strategies and their application progress; and 5. current challenges and future research directions. Compared with previous reviews that separately discussed rhizosphere microbiota, disease-suppressive soils, synthetic microbial communities (SynComs), or prebiotics, this review uniquely integrates multiple levels of regulation, from plant genetic determinants (‘M genes’) and root exudate-mediated ‘crying for help’ to microbiome engineering (SynComs and prebiotics) and cross-kingdom interactions (bacteria–fungi–protists–phages). A central conceptual axis of ‘M genes → microbiome engineering → breeding’ is proposed, bridging plant genetics, microbial ecology, and crop improvement for durable disease suppression. Ultimately, this work aims to provide a theoretical foundation for developing efficient and sustainable green control technologies against soil-borne diseases. Full article

In the context of the One Health approach, this study assessed the environmental and human health risks posed by 21 chemical elements in soil and in food products (bee pollen, honey, and orange fruits). Data were collected from three cultivated and one uncultivated field, considering the agricultural practices employed. Findings revealed higher metal concentrations in the uncultivated field: Zn > Fe > Pb > Co > Cr > Mn > Ni > Al > Mo > P > B. No significant differences were noted for Ca, Cd, Cu, Sb, Se, and U. The geo-accumulation index indicated moderate Cu accumulation in cultivated fields. Only Hg in uncultivated soil poses a considerable risk at the 95th percentile. Orange fruits showed the lowest metal concentration, whereas bee pollen displayed the highest. In this last product, some elements are present at levels up to 10 times those in other food items, primarily Al, Fe, Zn, and Mn. The hazard quotient for non-genotoxic effects was below 1, indicating low concern. In terms of cancer risk, the levels of Pb and Cd were acceptable, while Ni in beehive products and orange fruits posed a moderate risk. Full article

The improper disposal of household pharmaceuticals is a global public health concern, posing risks to both human health and the environment and highlighting the need to raise public awareness. This study aimed to identify individual characteristics associated with the inappropriate disposal of household pharmaceuticals and to determine which individuals may require greater awareness. This cross-sectional study included 310 participants who completed an online questionnaire collecting sociodemographic and clinical information, as well as data regarding the participants’ use, storage, and disposal of medications. Most participants were female (74%), single (57%), had a university degree (81%), and were 34 ± 12 years old; 37% had some non-communicable disease (NCD), 85% used some medication, and 62% disposed of pharmaceuticals inappropriately. Having no undergraduate degree (OR = 4.4; 95% CI = 2.01–9.8), an absence of NCDs (OR = 2.5; 95% CI = 1.1–5.6), a lack of knowledge about reverse logistics (OR = 3.6; 95% CI = 1.7–7.6) or environmental risks (OR = 13.5; 95% CI = 1.5–125), and a lack of guidance from healthcare professionals (OR = 3.6; 95% CI = 1.2–10.6) were associated with inappropriate disposal. Although most respondents (88.6%) were aware of the negative environmental impacts of improper disposal, 69.7% did not know what reverse logistics was or where to find collection points (73.5%). These findings highlight the importance of environmental education for the effective implementation of reverse logistics for household pharmaceuticals. Full article

Palm oil waste (POW) is generated during the production of palm oil, and a large quantity of this waste often travels to landfills for disposal. This review aims to provide a comprehensive understanding of the circular economy approach to sustainable engineering and environmental applications of POW, including its generation, disposal concerns, challenges, and prospects. This review provides an overview of the features, composition, and prospective applications of several POWs, including palm oil clinkers (POCs), palm oil fuel ashes (POFAs), palm oil kernel shells (POKSs), and palm oil fibres (POFs). Furthermore, this overview describes the different applications that POW has found, such as sustainable construction materials, renewable energy production, and environmental remediation. Moreover, this review discusses the leaching and risk assessment of POW. The overview also discusses the circular economy implications of using POW. The results showed that while some wastes are reused and recycled, a good quantity are still discarded in environmentally harmful ways. With this overview of a wide circular economy approach to the sustainable use of POW, there will be a rallying call to experts and researchers to identify research gaps that could contribute to the sustainable use of POW. The results of this overview of the sustainable engineering and environmental applications of POW with a circular economy approach indicate that cleaner production technologies and better environmental sustainability of the palm oil industry are feasible through proper waste management, renewable energy generation, resulting in minimal environmental impacts. Furthermore, this analysis will be very useful in providing tools to engineers, environmentalists, and other relevant stakeholders to enable the efficient and sustainable use of POW in the global circular economy. Full article

Background: Per- and polyfluoroalkyl substances (PFAS) represent a large class of synthetic fluorinated compounds characterized by highly stable carbon–fluorine bonds that confer exceptional environmental persistence and bioaccumulative properties. Although regulatory measures have restricted the production of several PFAS, including perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), their environmental persistence continues to maintain widespread human exposure, while newly introduced replacement compounds raise additional toxicological concerns. Notably, the recent evidence demonstrating PFAS-induced alterations in key cardiac ion channel activity and electrocardiographic parameters suggest potential electrophysiological mechanisms that may contribute to arrhythmogenesis and cardiac arrhythmias including the most frequent one, atrial fibrillation (AF). Methods: We conducted a narrative literature review of experimental, epidemiological, and mechanistic studies investigating and reporting the cardiovascular, electrophysiological, and potential arrhythmogenic effects of PFAS. Results: Available evidence indicates that PFAS exposure is associated with alterations in cardiac electrophysiology, including modulation of ion channel activity (notably sodium, calcium, and potassium channels), disruption of calcium handling, and changes in electrocardiographic parameters such as QT interval prolongation, which are key contributors to arrhythmogenesis and AF. Conclusions: This review highlights the need for improved understanding of PFAS-induced electrophysiological alterations, to clarify the role of PFAS in cardiac arrhythmias including AF. Full article

The continuous accumulation of micro- and nanoplastics in the human living environment and their deposition in various organs of the body have become a global public health concern with the widespread use of plastic products. This review summarizes the main categories of micro- and nanoplastics entering the body through dietary intake and air inhalation, based on human exposure pathways. By integrating existing literature data, this study estimated the daily intake and excretion of micro- and nanoplastics in humans based on published data, summarized evidence regarding their potential deposition patterns in blood cells and hematopoietic-related organs, mainly inferred from animal and in vitro studies, and discussed the possible impacts of such deposition on hematopoietic function. Furthermore, the toxicity effects and potential hazards of micro- and nanoplastics on the human hematopoietic system at both cellular and animal levels, along with the underlying molecular mechanisms, were comprehensively reviewed. From the dual perspectives of environmental governance and bodily protection, exploratory research ideas are proposed, including biodegradation strategies and the application of medicinal and edible homologous substances. This aims to provide insights for reducing the risk of hematopoietic system diseases and preventing harm caused by micro- and nanoplastics to the human body in the future. Full article

The growing reliance on virgin resources in construction, alongside accelerated urban development and the significant volumes of waste generated at the end-of-life phase of buildings, has intensified environmental impacts across the built environment. These challenges highlight the urgent need to transition towards a circular economy (CE) in the construction sector. At the same time, the sector’s ongoing digital transformation presents opportunities to enhance stakeholder collaboration and improve construction and demolition waste management (CDWM) practices. This paper aims to develop a conceptual framework for a Digital Information Management System (DIMS) to support CE implementation in construction through improved CDWM. Following the Design Science Research methodology, this paper addresses the first two stages: problem identification and solution proposition. A questionnaire survey with industry experts was conducted to validate the problem areas identified in the literature and assess the applicability of the proposed conceptual framework. The findings confirm critical gaps in CDWM, including limited stakeholder collaboration, fragmented processes, and the absence of lifecycle-spanning information systems, and validate the proposed conceptual framework solution, particularly the integration of BIM and IoT to support material and product flow tracking throughout the project lifecycle, supported by clearly defined stakeholder roles and engagements. However, respondents expressed reservations regarding Blockchain due to concerns about energy consumption and long-term data storage. Overall, the validated conceptual framework for DIMS provides a robust foundation for future studies, to focus on co-creating and developing a detailed conceptual model for DIMS for future real-world implementation. Full article

Background/Objectives: The organic food market has grown substantially in recent years, yet the psychological antecedents that shape consumer attitudes and purchase intentions in emerging markets remain underexplored. This study examines how environmental, health, and social consciousness influence consumer attitudes toward organic food, and how those attitudes subsequently affect purchase intention in the Chilean context. Methods: Data were collected via an online survey administered to 255 Chilean consumers using non-probabilistic convenience and snowball sampling. Partial least squares structural equation modeling (PLS-SEM) was employed using SmartPLS, with bootstrapping of 5000 subsamples to test four hypothesized relationships: that environmental, health, and social consciousness each positively affect the attitude toward organic food, and that attitude, in turn, positively affects purchase intention. Results: All four hypotheses were supported. Social consciousness emerged as the strongest predictor of attitude (β = 0.385, p < 0.001), followed by environmental consciousness (β = 0.314, p < 0.001) and health consciousness (β = 0.165, p = 0.005). Attitude demonstrated a strong effect on purchase intention (β = 0.736, p < 0.001), explaining 54.1% of its variance. The three consciousness dimensions jointly explained 57.3% of the variance in attitude. Conclusions: The findings confirm that consumer attitude functions as a critical gateway through which consciousness-based motivations translate into organic food purchase intentions. Social and environmental considerations outweigh health-related concerns in driving attitudes in this context, suggesting that marketing strategies for organic food in Latin America should emphasize community and environmental values alongside individual health benefits. Full article

Maintenance is crucial for the durability of the existing building stock and should be perceived as an opportunity to improve the built environment. The implementation of thermal retrofitting measures to the building’s envelope enhances global energy performance, which is economically and environmentally beneficial. Building-related energy consumption during the operation phase is key to tackling carbon neutrality and climate change. Introducing thermal retrofitting within the context of maintenance planning can be cost-optimizing, as it reveals the technical–economic synergy between building pathology and energy efficiency. Maintenance activities and energy demand throughout the building’s service life influence life-cycle costs (LCCs). Decision-making based on LCC awareness is an advantage for owners. This study discusses the impact of implementing an optimal retrofitting solution (ORS), according to different maintenance strategies, on the LCC of an existing single-family home. The ORS comprises the following measures: adding an external thermal insulation composite system (ETICS) to external walls, extruded polystyrene (XPS) panels to the roof, and replacing the existing windows with others with improved thermal performance. The three maintenance strategies involve different complexity levels, concerning the type, number and timing of activities. Moving beyond isolated assessments, this study develops an integrated framework that bridges based on two existing background methodologies, involving optimal thermal retrofitting and condition-based maintenance planning, which, combined with new research, enable the assessment of maintenance, energy and global LCC for a time horizon of 100 years. The evaluation of energy-related LCC is based on simulations. The results indicate that these costs represent the majority of the global LCC. The ORS has a considerable positive impact on energy and global LCC. Adopting a maintenance strategy characterized by fewer planned activities and an earlier schedule of replacement interventions, which determines the implementation of the retrofitting measures, is better in terms of LCC savings. Full article