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    24762 research outputs found

    Urban pollution - environmental challenges in healthy modern cities

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    Many state-of-the-art air quality sensor nodes feature a very high-power consumption. This limits them to being either mains powered or having a very short battery longevity. Moreover, a detailed study on their power consumption is not yet presented. Despite their high manufacturing cost, their accuracy and sensing functionality are often limited too. This chapter presents the design of an innovative low-power and low-cost air quality monitoring wireless sensor node with extensive measurement capabilities. The design adapts the LoRa transmission protocol by configuring and optimising the bandwidth and the spreading factor values. An optimal balance between data rate, range, and power was achieved. In addition to providing a thorough literature and market survey on available solutions, the work carried out on a scalable low-cost big data capture and analysis system is also discussed. The proposed sensor node can accurately measure carbon dioxide, volatile organic compounds, particulate matter, temperature, relative humidity, and atmospheric pressure. The device features an average energy consumption of 327 μAh and a 40-month autonomy with a 10,500 mAh battery. The low-cost factor enables the provision of a large-scale system. Multiple nodes, distributed across a university campus, provide extensive location-based data and LoRa metadata, which enable comprehensive data analysis.peer-reviewe

    A cost-effective solution for home automation

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    PURPOSE: Both photovoltaics and home automation solutions are growing in popularity year on year. A modern smart home solution combined with photovoltaics is not only environmentally friendly, but also economical. Home automation allows maximum savings and the most efficient use of photovoltaics. It guarantees convenience and comfort in everyday use. It also fits in with the now popular ‘less waste’ or ‘zero waste’ trend, which strives for the efficient use of raw materials.DESIGN/METHODOLOGY/APPROACH: The concept of home automation has gained considerable traction in recent times, with a plethora of solutions offered by various companies.FINDINGS: However, the cost associated with these solutions is often a deterrent. The devices and solutions proposed by companies for home automation systems are typically based on IEEE 802.11g WiFi communication, which is dependent on the strength of the wireless signal and is characterised by high latency. Conversely, utilising communication based on the I2C protocol to control home appliances has the potential to significantly reduce the cost of building the system.PRACTICAL IMPLICATIONS: As a result of conducting the research, it is possible to identify and present some recommendation for reduces the cost of building the system home automatisation.ORIGINALITY/VALUE: For the purposes of this article, a multifaceted, synthetic and critical analysis of data available in the source literature was carried out.peer-reviewe

    Digital biomarkers : 3PM approach revolutionizing chronic disease management — EPMA 2024 position

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    Non-communicable chronic diseases (NCDs) have become a major global health concern. They constitute the leading cause of disabilities, increased morbidity, mortality, and socio-economic disasters worldwide. Medical condition-specific digital biomarker (DB) panels have emerged as valuable tools to manage NCDs. DBs refer to the measurable and quantifiable physiological, behavioral, and environmental parameters collected for an individual through innovative digital health technologies, including wearables, smart devices, and medical sensors. By leveraging digital technologies, healthcare providers can gather real-time data and insights, enabling them to deliver more proactive and tailored interventions to individuals at risk and patients diagnosed with NCDs. Continuous monitoring of relevant health parameters through wearable devices or smartphone applications allows patients and clinicians to track the progression of NCDs in real time. With the introduction of digital biomarker monitoring (DBM), a new quality of primary and secondary healthcare is being offered with promising opportunities for health risk assessment and protection against health-to-disease transitions in vulnerable sub-populations. DBM enables healthcare providers to take the most cost-effective targeted preventive measures, to detect disease developments early, and to introduce personalized interventions. Consequently, they benefit the quality of life (QoL) of affected individuals, healthcare economy, and society at large. DBM is instrumental for the paradigm shift from reactive medical services to 3PM approach promoted by the European Association for Predictive, Preventive, and Personalized Medicine (EPMA) involving 3PM experts from 55 countries worldwide. This position manuscript consolidates multi-professional expertise in the area, demonstrating clinically relevant examples and providing the roadmap for implementing 3PM concepts facilitated through DBs.peer-reviewe

    RTT advanced practice and how it can change the future of radiotherapy

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    The radiation therapy (RT) landscape is continuously evolving, necessitating adaptation in roles and responsibilities of radiation therapists (RTTs). Advanced Practice Radiation Therapists (APRTs) have taken on a proactive role in expanding services and assuming responsibilities within multi-professional teams. A European Society for Radiotherapy and Oncology (ESTRO) brought geographically diverse and experienced RTTs together, to discuss how advanced practice (AP) in the RTT profession should be future-proofed and create a global platform for collaboration. Challenges in achieving consensus and standardisation of APRT was identified across jurisdictions, emphasising the importance of international collaboration. Whilst highlighting the pivotal role of APRTs in driving innovation, improving patient care, and navigating the complexities of modern RT practice, this position paper presents outcomes and recommendations from the workshop. Discussions highlighted the need for standardised role definitions, education frameworks, regulatory support, and career development pathways to enable the advancement of APRT effectively. Increasing networks and collaboration is recommended to ensure APRTs can shape the future of RT.peer-reviewe

    Plasma defect-engineering of bulk oxygen-deficient zirconia

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    Oxygen-deficient zirconia (ZrO2-x) has recently emerged as a promising material for light absorption and photocatalytic applications. However, the economic and environmentally friendly manufacture of bulk ZrO2-x remains challenging and has limited widespread adoption. In this study, we present a novel low-pressure (300 Pa) plasma treatment (H2 gas at 500 ◦C for 5 h) capable of producing fully-dense bulk ZrO2-x without significant structural modifications. EPR (electron paramagnetic resonance) and XPS (X-ray photoelectron spectroscopy) characterisation of the plasma treated zirconia indicate the formation of Zr3+ ions and F2+ (V⋅⋅ O) centres. The increase of oxygen vacancies is also supported by the greater exothermic heat flow and relative mass gain observed through TGA (thermogravimetric analysis) and DSC (differential scanning calorimetry) analyses. Diffuse reflectance spectroscopy (DRS) reveals a substantial enhancement in light absorption, with an average increase of 66.2 % and >65 % absolute absorption across the entire spectrum (200–3000 nm). XPS and DRS measurements suggest significant reduction in both direct (from 4.84 to 2.61 eV) and indirect (from 3.19 to 1.45 eV) bandgap transition. By effectively enhancing the light absorption capability, reducing bandgap transitions, and maintaining the structural integrity of zirconia, low-pressure plasma treatments offer a promising and scalable approach for the environmentally friendly production of next-generation ZrO2-x materials.peer-reviewe

    Sustainable municipal management model : the smart concept

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    PURPOSE: The purpose of this article is to explore and evaluate the smart municipality model as a framework for sustainable municipal management. It aims to identify the key components and advantages of this model, particularly in improving local governance and the quality of life in rural areas. The focus is on the integration of advanced technologies such as the Internet of Things (IoT), big data, and Artificial Intelligence (AI), and how these technologies can enhance resource management, public engagement, and environmental sustainability.DESIGN/METHODOLOGY/APPROACH: This study employs a mixed-method approach that combines a comprehensive literature review, case study analysis, and in-depth interviews with municipal representatives. The research examines examples from Poland and other international contexts to understand how smart technologies are being utilized in municipal management. Through this methodology, the article seeks to evaluate both the benefits and challenges associated with implementing smart solutions in municipalities.FINDINGS: The study finds that the adoption of smart municipality initiatives can significantly enhance the sustainability of rural communities. Key benefits include more efficient resource management, reduction of environmental footprints, and increased community participation in local decision-making processes. Technologies such as IoT enabled smart waste management, air quality monitoring systems, and smart street lighting have proven effective in reducing resource consumption and improving public services. However, the research also highlights substantial barriers, including high implementation costs, public resistance to new technologies, and digital exclusion issues, particularly in less digitally literate populations.PRACTICAL IMPLICATIONS: The practical implications of this research are significant for local government officials, urban planners, and policy makers. The findings underscore the importance of fostering public-private partnerships to secure the funding needed for smart initiatives. Additionally, the article emphasizes the need for targeted educational programs to increase digital literacy and raise awareness about the benefits of smart technologies. Municipalities must also focus on ensuring equitable access to digital solutions for all residents to avoid deepening social inequalities.ORIGINALITY/VALUE: This article makes a valuable contribution to the field of smart municipal governance by offering practical insights into the application of smart technologies in rural areas. It provides a detailed analysis of both the opportunities and challenges of implementing smart solutions and underscores the importance of public engagement, education, and infrastructure investment for successful adoption.peer-reviewe

    The Department of Human Communication Sciences and Disorders

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    The Department of Human Communication Sciences and Disorders first opened its doors in 1991. Known as the Communication Therapy Division at the time, it launched the first local four-year undergraduate degree programme in Communication Therapy through the University of Malta’s Institute of Health Care. This programme led to eligibility for registration as a speech language pathologist (SLP). Professor Helen Grech was then the coordinator of the programme and head of the same department. Together with the late Professor John Rizzo Naudi and Ms Helene (Jackie) Clydesdale, Professor Grech was instrumental in sowing the seeds and nurturing the programmes which were eventually offered by the department. With many years of hard work and dedication, Professor Grech skilfully developed and enriched the department, making her vision a reality.peer-reviewe

    Cross-national characteristics and differences in type 2 diabetes : Malta versus Luxembourg

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    Introduction: Type 2 diabetes mellitus (T2DM) is a significant global health concern, requiring a thorough understanding of its population- level features and impact. This study aims to compare the characteristics of T2DM in Malta and Luxembourg, two European nations with distinctive healthcare systems and societal attributes.Methods: Data from national health surveys conducted in Malta and Luxembourg, encompassing various factors such as socio-demographics, medical history, biochemical metrics, and anthropometric measurements, were analysed to investigate the features of T2DM. Comparative analyses were conducted utilizing chi-square tests, independent t-tests, and multivariable binary regression.peer-reviewe

    Intake of sugar sweetened beverages among children and adolescents in 185 countries between 1990 and 2018 : population based study

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    Objective: To quantify global intakes of sugar sweetened beverages (SSBs) and trends over time among children and adolescents. Design: Population based study. Setting: Global Dietary Database. Population: Children and adolescents aged 3-19 years in 185 countries between 1990 and 2018, jointly stratified at subnational level by age, sex, parental education, and rural or urban residence. Results: In 2018, mean global SSB intake was 3.6 (standardized serving=248 g (8 oz)) servings/week (1.3 (95% uncertainly interval 1.0 to 1.9) in south Asia to 9.1 (8.3 to 10.1) in Latin America and the Caribbean). SSB intakes were higher in older versus younger children and adolescents, those resident in urban versus rural areas, and those of parents with higher versus lower education. Between 1990 and 2018, mean global SSB intakes increased by 0.68 servings/week (22.9%), with the largest increases in sub-Saharan Africa (2.17 servings/week; 106%). Of 185 countries included in the analysis, 56 (30.3%) had a mean SSB intake of ≥7 servings/week, representing 238 million children and adolescents, or 10.4% of the global population of young people. Conclusion: This study found that intakes of SSBs among children and adolescents aged 3-19 years in 185 countries increased by 23% from 1990 to 2018, parallel to the rise in prevalence of obesity among this population globally. SSB intakes showed large heterogeneity among children and adolescents worldwide and by age, parental level of education, and urbanicity. This research should help to inform policies to reduce SSB intake among young people, particularly those with larger intakes across all education levels in urban and rural areas in Latin America and the Caribbean, and the growing problem of SSBs for public health in sub-Saharan Africa.peer-reviewe

    “Artistic research needs ethics like a rip in the canvas.” Is free artistic research compatible with academic research ethics?

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    In this Doctoral School Annual Lecture delivered as part of the University of Malta’s Research Expo, 2024, Prof. Robin Nelson explores a tension between an oft-desired “artistic freedom” in creative practice and the inevitable constraints entailed by “academic” arts research in today’s incorporated HE institutions. An established champion of “Practice Research/Artistic Research”, Prof. Nelson’s additional experience as a university research director will afford insights into several perspectives. With reference to some contentious examples, he explores the room for manoeuvre between, on the one hand, practitioner-researchers wishing to be free to do as they wish and, on the other, the hardline, bureaucratic disposition of some Research Ethics Committees, to enforce rules and protocols in an Enlightenment, scientific-rational tradition. Though the emphasis is on Arts Practice Research, the debate has resonances wherever a “blue skies” disposition towards research meets requirements for Research Design and Research Outcomes. Ultimately, he proposes a compromise with a plea for adjustments on all sides, informed by a Levinasian approach to ethics wherein each encounter must be sensitively addressed.peer-reviewe

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