Search Results (711)

Public safety personnel (PSP) are known to experience difficult and demanding occupational environments, which were further complicated by the COVID-19 crisis. While public safety research typically focuses on the impact of operational stressors on PSP functioning and wellbeing, relatively less is known about the types and impacts of organizational stressors and how all these affect social wellbeing during the pandemic. The current study surveyed Canadian firefighters (n = 123), paramedics (n = 246), and public safety communicators (n = 48) that continued to serve the public over the course of the pandemic. Participants responded to two open-ended survey questions about how COVID-19 affected their lives at work and home. Using an inductive thematic analysis approach, responses were coded to identify emergent, data-driven themes while drawing on existing theory for analysis. Across occupational groups, qualitative analyses revealed that the public safety measures imposed by the COVID-19 pandemic further exacerbated existing operational and organizational strains, including increased exposure to distressing calls, absenteeism and coping with alcohol, and a lack of support from management. Participants also identified financial strain and housing insecurity as stressors, as well as frustration and helplessness at others’ non-compliance with public health advisories and protocols. Communication surrounding the rationale behind government decision-making, the efficacy of serology tests, and rates of infection were also identified. Together, these findings offer a nuanced understanding of the interplay among operational, organizational, and social stressors experienced by Canadian PSP during the COVID-19 pandemic, illuminating their impact on mental health and wellbeing, and identifying targeted areas of focus for future planning and meaningful intervention to support PSP wellness. Full article

Although they show great promise in the medical field, the safety of fullerenes—discovered forty years ago—is still uncertain, according to regulatory experts at the European Scientific Committee on Consumer Safety. This is a major obstacle to progress in the field. Meanwhile, oily solutions of fullerenes intended for human and pet consumption can be purchased online, without any marketing authorization. Therefore, to avoid any potential public health issues, regulatory-compliant preclinical studies on fullerene oily solutions are urgently needed. We present the first in vivo genotoxicity study of a C60/C70 fullerene mixture (4.1/1, w/w) dissolved in extra virgin olive oil (0.8 mg/mL). The study was conducted using the Mammalian Micronucleus Test (MMT) in an independent GLP-laboratory, in compliance with the OECD and EPA guidelines. The MMT was performed on NMRI mice following the oral administration of fullerenes at doses of up to 3.6 mg/kg. This dose is almost the maximum dose that can be administered to rodents. The data obtained clearly show that fullerene oily solutions have no genotoxic activity under these conditions. This should pave the way for further regulatory investigations of fullerene oily solutions. Full article

Carbon Capture and Storage (CCS) technology presents a practical solution for reducing industrial carbon dioxide (CO₂) emissions through underground anthropogenic CO₂ storage in depleted hydrocarbon reservoirs. The long-term storage efficiency faces several CO₂ leakage challenges that need to be addressed in the planning phase of the CCS project. Thus, effective risk assessment (RA) methodologies are crucial for ensuring safety, regulatory compliance, and public acceptance of CCS projects. This review examines RA parts and their corresponding technical and non-technical challenges. The analysis critically compares over 20 qualitative, semi-quantitative, quantitative, and hybrid RA techniques employed throughout GCS operations. Available quantitative RA tools do not deliver dependable results because they require technical data that become available late in the CCS project development process. Qualitative approaches work well for the initial screening of storage sites with limited data available, yet quantitative methods enable quantification of CO₂ leakage. For the first time, a comparative analysis of two integrated assessment tools is presented in this paper. The techniques achieve success based on high-quality data and analysis of existing technical and non-technical challenges which this paper examines. The comparative analysis outlines the limitations and advantages of every methodology studied and emphasizes the need for integrated hybrid frameworks to boost decision-making in the RA process. Future research should focus on creating or improving existing hybrid frameworks for late-stage RA while utilizing qualitative frameworks in the initial site screening stage to advance GSC’s safe and effective implementation. Full article

Campylobacteriosis has been described as an ever-changing disease and health issue that is rather dangerous for different population groups all over the globe. The World Health Organization (WHO) reports that 33 million years of healthy living are lost annually, and nearly one in ten persons have foodborne illnesses, including Campylobacteriosis. This explains why there is a need to develop new policies and strategies in the management of diseases at the intergovernmental level. Within this framework, an advanced stochastic fractional delayed model for Campylobacteriosis includes new stochastic, memory, and time delay factors. This model adopts a numerical computational technique called the Grunwald–Letnikov-based Nonstandard Finite Difference (GL-NSFD) scheme, which yields an exponential fitted solution that is non-negative and uniformly bounded, which are essential characteristics when working with compartmental models in epidemic research. Two equilibrium states are identified: the first is an infectious Campylobacteriosis-free state, and the second is a Campylobacteriosis-present state. When stability analysis with the help of the basic reproduction number $R_0$ is performed, the stability of both equilibrium points depends on the $R_0$ value. This is in concordance with the actual epidemiological data and the research conducted by the WHO in recent years, with a focus on the tendency to increase the rate of infections and the necessity to intervene in time. The model goes further to analyze how a delay in response affects the band of Campylobacteriosis spread, and also agrees that a delay in response is a significant factor. The first simulations of the current state of the system suggest that certain conditions can be achieved, and the eradication of the disease is possible if specific precautions are taken. The outcomes also indicate that enhancing the levels of compliance with the WHO-endorsed SOPs by a significant margin can lower infection rates significantly, which can serve as a roadmap to respond to this public health threat. Unlike most analytical papers, this research contributes actual findings and provides useful recommendations for disease management approaches and policies. Full article

Decision-making is a fundamental challenge in science and engineering, mainly when subjective factors influence the process. This paper introduces a decision support model based on the Analytic Hierarchy Process (AHP) that was specifically adapted for binary decisions and we term Binary AHP. The model facilitates structured decision-making when evaluating two opposing alternatives, such as yes/no scenarios. To demonstrate its applicability, we applied the Binary AHP model to a real-world case in the Brazilian public sector, where agencies must determine whether a technological solution qualifies as an Information and Communication Technology (ICT) solution. This classification is crucial since it directly impacts procurement policies and regulatory compliance. Our results show that Binary AHP enhanced the decision consistency, transparency, and reproducibility, and reduced the subjective discrepancies between the evaluators. Additionally, by inverting the priority vectors, the model allowed for a comparative analysis of both decision alternatives, thus offering more profound insights into the classification process. This study highlights the flexibility of AHP-based decision support methodologies and proposes a structured approach to refining binary decision frameworks in complex, multi-criteria environments. Full article

Background: The COVID-19 pandemic highlighted the crucial role of community preventive behaviors in controlling the virus’ spread. Studies show that people’s risk perceptions and awareness significantly contribute to the containment and prevention of infections by motivating adoption of desired actions and behaviors. This study aimed at assessing the role of risk communication and factors that influenced responses during the COVID-19 pandemic in rural communities in Western Kenya. Methods: A descriptive cross-sectional study was conducted using a quantitative research approach, collecting data from 806 individuals across Kisumu, Vihiga, and Kakamega counties. Descriptive statistics were used to detail the demographic characteristics of the study population, while logistic regression analysis estimated the associations between risk communication and demographic characteristics on COVID-19 vaccine acceptance, compliance with mitigation behaviors, perceived severity, and perceived susceptibility. Results: The results showed that 55% of participants were male and 45% were female, with an average moderate compliance with safety measures (mean = 5.15). A significant portion of participants wore face masks (85.3%), practiced hand hygiene (78.9%), and avoided close contact behaviors (66.6%). Most respondents received information through mass media (86.1%) and health workers (72.9%). Compliance with COVID-19 mitigation measures was highest among those who trusted information from official institutions, health professionals, and mass media, compared to social media, with increased odds of 2.7 times and 2.5 times, respectively. Higher risk perception was significantly associated with older age groups (above 50 years), being male, and working in the private sector. Effective risk communication significantly influenced risk perception, compliance with COVID-19 measures, and vaccination acceptance. Conclusions: The findings suggest that effective risk communication strategies are critical during public health emergencies and hence implications for future public health crises. The results underscore the importance of targeted communication and tailored interventions to improve compliance and vaccine acceptance among different demographic groups, ensuring a more robust public health response during outbreaks and pandemics. Full article

Helicobacter pylori (H. pylori) is a gram-negative, spiral-shaped bacterium that colonizes the human gastric mucosa, leading to various gastric diseases. H. pylori infection has become a pressing public health issue that affects more than 50% of the human population worldwide, almost 40 years after its discovery. Traditional treatments, based on the use of bismuth-based triple and quadruple therapies, are effective while facing a series of problems, such as difficulty in patient compliance, the rise of antibiotic resistance, and possible recurrence of infection. Therefore, the development of an efficacious vaccine against H. pylori would be extremely urgent. This review mainly elaborates on the pathogenic mechanism and immune evasion mechanism of H. pylori, as well as various strategies adopted in vaccine development, including whole-cell vaccines, subunit vaccines, DNA vaccines, and live vector vaccines. Animal studies and clinical trials demonstrate that H. pylori vaccines significantly reduce bacterial load and provide cellular immunity over some time. Multiple studies have clarified the advantages and limitations of each candidate vaccine. Although the development of H. pylori vaccines provides benefits to reduce the global burden, there are still significant challenges to developing vaccines in safety, efficacy, and availability. Overcoming these challenges, along with the advancement of vaccine technology, can better prevent and treat H. pylori infection. Full article

Both organic and conventional farmers are confronted with the issue of mycotoxin contamination of maize, but organic farming is considered by the public to present a higher risk. There are also concerns about the sanitary quality of maize processed as a foodstuff and marketed on farms through short distribution channels, and there is a need for data on mycotoxin contamination in such a farming system. With the objective to assess the diversity of contamination levels at harvest and to track the post-harvest fate of mycotoxins, maize grain samples were collected at organic farms from southwest France after harvest, storage and milling. There was a wide range of levels of contamination by trichothecenes A and B, zearalenone, and fumonisins. The presence of ochratoxin A and aflatoxins was scarce. In some farms, but not all, the technique of drying and initial storage in cribs resulted in increased levels of contamination by Fusarium toxins, but not aflatoxins. The transfer of mycotoxins in milling products was higher for flour than for meal. Data are discussed in terms of mycotoxin co-occurrence, correlations between concentrations, and compliance with European Union regulations. Full article

This paper provides a conceptual analysis of pollution control in the hospitality industry, focusing on pollution generated by hotel operations. Hotels produce significant waste, emissions, and wastewater, impacting environmental and public health. We propose a framework distinguishing between flow and stock pollutants to highlight how both immediate emissions and long-term pollutant accumulation inform pollution management strategies. Using a conceptual framework, with an optimal dynamic model for pollution control, we illustrate the trade-offs hotels face in optimizing pollution control. Practical methods, from regulatory compliance to voluntary sustainability initiatives and economic incentives, are explored to support effective pollution mitigation. While achieving zero emissions is often impractical, an optimal pollution level allows hotels to balance environmental responsibility with economic feasibility, contributing to sustainable tourism and aligning with the values of eco-conscious consumers. Full article

A certified reference material (CRM) for aflatoxins (AFTB1, AFTB2, AFTG1, AFTG2) and zearalenone (ZEN) in corn/peanut blended vegetable oil (GBW(E)100863) was developed to address the critical need for matrix-specific reference materials in mycotoxin analysis. The CRM was prepared by blending naturally contaminated corn and peanut oils, followed by homogenization, sterilization, and sub-packing. Homogeneity and stability studies were conducted using high-performance liquid chromatography isotope-dilution tandem mass spectrometry with a dilute-and-shoot pretreatment process. The CRM demonstrated excellent homogeneity and stability, with no significant degradation observed under either short-term (65 °C for 14 days) or long-term (25 °C for 12 months) storage conditions. An inter-laboratory comparison involving six authoritative laboratories confirmed the CRM’s accuracy and reliability, with recovery rates ranging from 90.3% to 97.3% and low relative standard deviations (RSDs) of 3.79% to 7.99%. The CRM provided a robust metrological tool for mycotoxin analysis in complex oil matrices. This study not only enriches the national reference materials library but also supports food safety initiatives by facilitating accurate and reliable mycotoxin detection in vegetable oils, thereby enhancing regulatory compliance and public health protection. Full article

Approximately 2.5 billion tons of waste are generated annually worldwide, with food waste constituting a significant portion: 88 million tons in the European Union (EU) alone. Food waste has severe societal, economic, and environmental consequences, contributing 15–16% of greenhouse gas (GHG) emissions from the food supply chain. In response, many countries, including EU member states, the United States of America (USA), and China, have introduced policies mandating food waste sorting. These regulations are informed by scientific research on waste prevention, environmental impact assessments, and cost–benefit analyses of waste reduction strategies. For example, studies on organic waste treatment technologies, economic incentives for waste sorting, and the effectiveness of landfill bans have influenced the development of the EU Waste Framework Directive (2008/98/EC), China’s National Waste Classification Policy (2017), and the USA Food Recovery Act (2015). As waste management continues to evolve, understanding the economic, technological, and policy dimensions of food waste sorting remains crucial for achieving sustainable development and circular economy goals globally. This study systematically reviews the international literature on food waste sorting, analyzing sorting behaviors and identifying theoretical frameworks that explain these behaviors. Using the PSALSAR systematic review methodology, 67 relevant studies from diverse geographic regions were analyzed. The findings highlight the critical influence of external factors in shaping sorting behaviors, such as financial incentives and infrastructure, alongside internal drivers, such as environmental awareness and social norms. While external measures often yield immediate compliance, internal motivation fosters long-term behavioral changes. Moreover, significant regional and cultural variations in food waste sorting practices were identified. The Theory of Planned Behavior (TPB) emerged as a dominant framework in the study of waste sorting behaviors, often complemented by other models such as Social Cognitive Theory (SCT). Policy recommendations emphasize the need for tailored interventions that address regional and demographic differences, community-driven educational initiatives, and the integration of innovative waste sorting technologies. Future research should focus on assessing the economic and psychological impacts of waste sorting policies across different socio-cultural contexts and exploring innovative strategies to enhance global public participation in food waste management. Full article

Mycotoxin contamination in maize poses significant food and feed safety risks, particularly in regions with variable climatic conditions like Serbia. This study investigated the occurrence of regulated mycotoxins in maize harvested across the Republic of Serbia from 2021 to 2023, emphasizing the impact of climatic factors. A total of 548 samples of unprocessed maize grains were analysed for the presence of key mycotoxins, including aflatoxins, ochratoxin A, zearalenone, deoxynivalenol, fumonisins, and trichothecenes type A (T-2 and HT-2 toxins), using validated analytical methods. The results revealed high contamination frequencies, with aflatoxins and fumonisins being the most prevalent. The results revealed substantial temporal variability and frequent co-contamination of mycotoxins. Aflatoxin B₁ (AFB₁) was the most concerning contaminant, with 73.2% of the samples in 2022 exceeding the European regulatory limit for human consumption (5 µg/kg) for un processed maize grains, reaching peak concentrations of 527 µg/kg, which is 105.4 times higher than the allowed limit. For animal feed, the limit of 20 µg/kg was exceeded in 40.5% of the samples, with the highest concentration being 26.4 times greater than the maximum allowable level. In 2021, the non-compliance rates for AFB₁ in food and feed were 8.3% and 2.3%, respectively, while in 2023, they were 23.2% and 12.2%, respectively. Fumonisins contamination was also high, particularly in 2021, with fumonisin B₁ (FB₁) detected in 87.1% of samples and average concentrations reaching 4532 µg/kg. Although levels decreased in 2023 (70.7% occurrence, average 885 µg/kg), contamination remained significant. Deoxynivalenol (DON) contamination was consistently high (>70% of samples), with peak concentrations of 606 µg/kg recorded in 2021. Zearalenone (ZEN) and ochratoxin A (OTA) occurred less frequently, but ZEN levels peaked in 2022 at 357.6 µg/kg, which is above the regulatory limit of 350 µg/kg for food. Trichothecenes (HT-2 and T-2 toxins) were detected sporadically, with concentrations well below critical thresholds. Co-occurrence of mycotoxins was frequent, with significant mixtures detected, particularly between aflatoxins and fumonisins, as well as other fusarial toxins. The analysis demonstrated that temperature, humidity, and rainfall during both the growing and harvest seasons strongly influenced mycotoxin levels, with the most severe contamination occurring under specific climatic conditions. Notably, the highest mycotoxin levels, like aflatoxins, were linked to warmer temperatures and lower rainfall. The high non-compliance rates for aflatoxins and fumonisins and co-contamination pose significant food and feed safety risks. From a public health perspective, chronic exposure to contaminated maize increases the likelihood of carcinogenesis and reproductive disorders. Reduced productivity and bioaccumulation in animal tissues/products represent serious economic and safety concerns for livestock. This study provides insights into the potential risks to food and feed safety and the need for enhanced regulatory frameworks, continuous monitoring, and mitigation strategies in Serbia as well as other geographical regions. Full article

Background/Objectives: Health and nutrition are increasingly important to people, which has increased the popularity of products promoted for their contribution to health, such as food supplements. Methods: This study encompassed 87 herbal food supplements, assessing the compliance of health claims with regulatory requirements. The study was conducted in Serbia, a European country with a regulatory framework harmonized with the one in the EU; however, it requires the pre-market registration of supplements. Results: Health claims were listed on as many as 86.2% of the labels, but only 10.7% of them, all associated with vitamin and mineral ingredients, were compliant with the EU Register of authorized health claims. An additional 38.7% of supplements carried “on-hold” claims from the EFSA Register of questions for botanicals. The remaining ones (50.6%) comprised those attributed with strictly prohibited properties of disease prevention, treatment, or cure (9.3%), and those containing at least one botanical-related health claim out of the scope of the Register of questions. Conclusions: The study unequivocally showed the worrying lack of adherence to regulations in the Serbian settings. Considering the importance of labelling for consumer protection and public health, the authors of this paper advocate for significant improvement in quality assurance of the registration process, tightening of market control, and an effective solution for on-hold claims on botanicals continuously used under transitional regulatory measures. Full article

AI technologies are becoming increasingly prevalent in industrial workplaces, extending their applications beyond productivity to critical areas such as occupational safety. From our perspective, it is important to consider the safety of these AI systems for users already at the research and development stage, rather than only after deployment. Therefore, in this review, we synthesize publications that propose such AI-based safety systems to assess how potential risks are addressed early in their design and prototype stages. Consequently, we explore current advancements in AI-driven, sensor-based, and human-centered applications designed to enhance occupational safety by monitoring compliance, detecting hazards in real time, or assisting users. These systems leverage wearables and environmental sensing to proactively identify risks, support decision-making, and contribute to creating safer work environments. In this paper, we categorize the technologies according to the sensors used and highlight which features are preventive, reactive, or post-incident. Furthermore, we address potential risks posed by these AI applications, as they may introduce new hazards for workers. Through a critical review of current research and existing regulations, we identify gaps and propose key considerations for the safe and ethical deployment of trustworthy AI systems. Our findings suggest that in AI- and sensor-based research applications for occupational safety, some features and risks are considered notably less than others, from which we deduce that, while AI is being increasingly utilized to improve occupational safety, there is a significant need to address regulatory and ethical challenges for its widespread and safe adoption in industrial domains. Full article

This study aims to investigate how sustainable innovation (SI) influences the relationship between internal audit effectiveness (IAE) and sustainability auditing (SA) practices in Libya’s public sector, providing valuable insights into its implications for public finance governance and financial regulation. Additionally, it examines how audit standards and principles (ASPs) on SA practices emphasising their role in enhancing transparency, environmental, social, and governance (ESG) compliance, and overall financial oversight. A quantitative, cross-sectional survey design was employed, collecting 500 valid responses from financial and governmental institutions in Libya. Hierarchical regression and partial least squares structural equation modeling (PLS-SEM) were used to evaluate the relationships among IAE, SI, ASP, and SA practices, with robustness checks ensuring the reliability of findings. The findings demonstrate that IAE significantly reinforces SA practices, improving ESG accountability and reporting. SI positively moderates this relationship, indicating that innovative processes and tools strengthen the impact of effective internal audits on sustainability outcomes. Although ASP contributes to SA practices, its influence is more pronounced when combined with robust internal audit functions and sustainability initiatives. The results underscore the need to integrate innovation and transparent regulatory frameworks to optimise sustainability auditing and public finance management. While the study is confined to Libya’s public sector—potentially limiting broader generalizability—its insights may inform policy reforms and risk management strategies across diverse regulatory environments. Future research could include comparative analyses to investigate variations in other emerging or developed markets. This study adds to the literature by linking SI and ASP with internal audit frameworks, offering fresh perspectives on enhancing SA practices and ESG compliance in public finance settings. Full article