Safe Environment Research Articles

Modulating the intrinsic fluorescence properties of amoxicillin by sulfur nanodot-based nanoreactor for its direct fluorescence detection

Direct fluorescence detection of amoxicillin (AMX) is highly desired for food and environment safety but remains a formidable challenge because of its low conjugation degree and stabilization effects on excitons. In this work, we proposed a direct fluorometry for AMX through modulating its fluorescence properties by utilizing sulfur nanodots (S-dots) as nanoreactors. S-dots provided both confined carrier and reactants (polyethylene glycol (PEG) and sulfite ions) to modulate the fluorescence properties of AMX, achieving a 277-fold increase on the fluorescence intensities. PEG and SO32- interacted with AMX through both covalent and hydrogen bounds, which stabilized the excited states, decreased the chances of nonradiative path and activated the radiative decay. The ultrasmall sized S-dots also provided confinement carries for promoting the reactivity between AMX and surface function groups. Quantitative detection of AMX in commercial milk samples was realized through direct recording the fluorescence signals, achieving a limit of detection of 159 nM. The reported results provided a new idea to design fluorescence assays for extremely weak emissive molecules, showing great potential in food safety analysis, environmental and healthy monitoring.

Construction and characterization of sodium alginate/polyvinyl alcohol double-network hydrogel beads with surfactant-tailored adsorption capabilities for efficient tetracycline hydrochloride removal

The extensive use of tetracycline (TC) for disease control and the residuals in wastewater has resulted in the spread and accumulation of antibiotic resistance genes, posing a severe threat to the human health and environmental safety. To solve this problem, a series of double-network hydrogel beads based on sodium alginate and polyvinyl alcohol were constructed with the introduction of various surfactants to modulate the morphology. The results showed that the introduction of surfactants can modulate the surface morphology and internal structure, which can also regulate the adsorption ability of the hydrogel beads. The SDS-B beads with SDS as surfactant exhibited highest adsorption efficiency for removal of TC with a maximum adsorption capacity up to 121.6 mg/g, which possessed a resistance to various cations and humic acid. The adsorption mechanism revealed that the superior adsorption performance of the hydrogel beads was primarily attributed to hydrogen bonding, electrostatic attraction, and π-π EDA interactions. Adsorption kinetics demonstrated that the pseudo-second-order model fitted the adsorption process well and adsorption isotherm showed the adsorption of TC occurred through both chemical and physical interactions. Moreover, the adsorption efficiency remained approximately 87.5 % after three adsorption-desorption cycles, which may have potential application and practical value in TC adsorption.

Deciphering the driving factors and probabilistic health risks of potentially toxic elements in arid surface water: Insights from the Tarim River Basin

Potentially toxic elements (PTEs) in surface water in arid areas pose a serious threat to environmental safety and human health within a basin. It is important to determine the factors controlling PTEs and to assess the likelihood that they will pose a risk to human health in order to support the development of environmental protection and risk management strategies. In this study, a structural equation model and Bayesian method were combined to discuss the distribution and probabilistic health risks of PTEs in surface water in arid area, and the Tarim River Basin was taken as a case study. The results show that the average concentrations of As, Co, Cu, and Ni in the surface water in the Tarim River Basin ranged from 0.04 to 2.92 μg/L, which do not exceed the international standard values. However, the maximum value of As (19.20 μg/L) exceeded both the recommended drinking water standards and the Chinese irrigation water standards. Spatially, the high As concentrations were distributed in the upper reaches of the Kashgar River, and the high Co, Cu and Ni concentrations were distributed in reservoirs and lakes on the main stream of the Tarim River. The concentrations of the PTEs in the surface water in the basin were not only affected by random anthropogenic factors such as traffic discharge, agricultural activities and mining industry, but were also directly and indirectly influenced by climatic factors. The results of the probabilistic health risk assessment showed that the 95th percentile the total hazard index for infants exceeded the allowable value of 1, and the total carcinogenic risk of PTEs exposure in four age groups was at the notable level. In this study, we conducted a comprehensive analysis of the controlling factors and health risks associated with PTEs in surface water in the Tarim River Basin, and the findings are expected to provide a scientific basis for regional water environment management and safety control.

Lecanicillium attenuatum infection and effects on the reproduction of Frankliniella occidentalis

ABSTRACT Frankliniella occidentalis, western flower thrips, is an invasive pest that seriously damages economic crops such as vegetables, flowers, and fruit trees because of its high fecundity, short generation cycle, and strong adaptability. Lecanicillium is an important entomopathogenic fungus, characterised by its wide host range, high pathogenicity, and environmental safety. It plays an important role in the environmentally friendly management of F. occidentalis. This study clarifies whether L. attenuatum infects F. occidentalis and affects its reproduction. The results of scanning electron microscope showed that conidia of L. attenuatum were attached to many parts of thrips adult after 1 h of treatment with 10^8 conidia/mL, and most F. occidentalis were covered by hyphae after 72–120 h. The cumulative mortality rate of the second instar larvae of the F1, F2, and F3 generations exceeded 60% on the seventh day post-infection and that of female adults was higher than 90% when treated by L. attenuatum with 10^8 conidia/mL. Simultaneously, L. attenuatum had strong sublethal effects on the surviving thrips. Indeed, the number of eggs deposited and the lifespan of female adults decreased considerably after the second instar larvae of F. occidentalis were treated with L. attenuatum, and had the impaction on the thrips offspring too. Altogether, our data suggested that L. attenuatum not only exhibited a high degree of pathogenicity towards F. occidentalis second instar larvae and adults but also affected the longevity and reproduction of surviving thrips.

Advancing VR simulators for autonomous vehicle–pedestrian interactions: A focus on multi-entity scenarios

Recent research has increasingly focused on how autonomous vehicles (AVs) communicate with pedestrians in complex traffic situations involving multiple vehicles and pedestrians. VR is emerging as an effective tool to simulate these multi-entity scenarios, offering a safe and controlled study environment. Despite its growing use, there is a lack of thorough investigation into the effectiveness of these VR simulations, leaving a notable gap in documented insights and lessons. This research undertook a retrospective analysis of two distinct VR-based studies: one focusing on multiple AV scenarios (N = 32) and the other on multiple pedestrian scenarios (N = 25). Central to our examination are the participants’ sense of presence and their crossing behaviour. The findings highlighted key factors that either enhance or diminish the sense of presence in each simulation, providing considerations for future improvements. Furthermore, they underscore the influence of controlled scenarios on crossing behaviour and interactions with AVs, advocating for the exploration of more natural and interactive simulations that better reflect real-world AV and pedestrian dynamics. Through this study, we set a groundwork for advancing VR simulators to study complex interactions between AVs and pedestrians.

Prospectively predicting violent and aggressive incidents in prison practice with the Risk Screener Violence (RS-V): Results from a multisite prison study.

Preventing in-prison violence and maintaining a safe environment is an important goal within prison settings. Screening for violence risk may provide a valuable addition to reach this goal. Within the Dutch prison system, the Risk Screener Violence (RS-V) has become an important new element in overall risk management. Prior research shows that RS-V scores are a sound predictor of institutional violence and aggression of incarcerated persons. Whereas previous studies predominantly analyzed retrospective file-based data, the present study includes RS-Vs rated by prison employees in real-life prison practice shortly after implementation. The RS-Vs of 956 detained individuals from 25 Dutch prisons were analyzed. Disciplinary reports were consulted to measure violent and aggressive incidents during 4 months after the screening. In addition, detention duration (length of stay in prison before the screening) was included as an additional variable. Results of the present prison practice study show good predictive values of the RS-V ratings for violent and aggressive incidents during prison stay. The predictive validity was similar for prisoner-to-prisoner assault as well as prisoner-to-staff assault. In addition, the predictive validity of the RS-V scores did not differ between individuals with a longer detention duration versus individuals with a shorter detention duration. This multisite prison practice study is an important step in the further validation of the RS-V and shows that the RS-V is a valuable tool in determining who is more likely to show institutional violence. Nonetheless, it remains important to continually monitor the implementation and correct application of the RS-V in prison practice. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

High-efficiency treatment of oily wastewater by photocatalytic in-situ Fenton oxidation under visible light

Oily wastewater poses a significant threat to environmental safety, and complex water environments have caused numerous disturbances in oil pollution treatment. Therefore, constructing composite systems is expected to improve oil pollution treatment efficiency. This study developed an efficient photocatalytic in-situ Fenton oxidation system, HTCC@ZnFe2O4/Ag3PO4 (HZFA), loaded onto polypropylene spheres (PP) for treating oily wastewater (diesel oil) in complex environments. The built-in electric field of HZFA promotes photogenerated carrier separation, enhancing photocatalytic effect. At a diesel concentration of 3.2 g/L, performance of HZFA degraded diesel in deionized water and artificial seawater (ASW) were 60.80 % and 52.62 %, respectively, much higher than a pure photocatalytic system (13.84 %). The dual system compensated for single system defects like instability and narrow application range, achieving 8 effective cycles in ASW. Experimental and computational results showed that high oxidation and reduction potentials in the dual system promoted hydrocarbon oxidative degradation and H2O2 production/activation. The amount of OH, O2−, and h+ produced in different environments is fundamental for the stabilization of catalytic degradation by HZFA. GC–MS and DFT analysis revealed potential oxidative chain-breaking processes for diesel components like alkanes, aromatics, alcohols, acids, aldehydes, and esters. This study offers a new method for green and efficient oily wastewater treatment, overcoming inherent defects of traditional Fenton, with broad application prospects.

Effects of Grit, Patient Safety Competence, and Patient Safety Culture on the Patient Safety Nursing Activities of Nurses in Comprehensive Nursing Service Wards

Purpose : In this study, we aimed to assess the impacts of grit, patient safety competence, and patient safety culture on the patient safety nursing activities of nurses in comprehensive nursing service wards. Methods : Here, a self-reported survey of 179 nurses from three tertiary hospitals was performed. Data from 171 valid responses were analyzed using descriptive statistics, independent <i>t</i>-test, one-way analysis of variance, Pearson’s correlation, and stepwise multiple regression analyses.Results : The key sub-factors influencing the patient safety nursing activities were attitude (<i>β</i>=.30, <i>p</i> ＜.001) and skill (<i>β</i>=.26, <i>p</i> ＜.001) in the patient safety competence factor and safety environment (<i>β</i>=.26, <i>p</i> ＜.001) in the patient safety culture factor. The regression model explained 42.7% of the variance in patient safety nursing activities (F=43.29, <i>p</i> ＜.001). Conclusion : Overall, these findings highlight the importance of improving the nurse attitude and skills related to patient safety as well as the safety environment in hospitals to enhance the patient safety nursing activities in comprehensive nursing service wards. Targeted educational and training programs should be provided along with organizational support to establish a safe and supportive nursing environment in comprehensive nursing service wards.

Policy Improvement for Local Governments by Analyzing Demands for Safe Environments by Vulnerable Groups: Focusing on Daejeon Metropolitan City

This study highlights the importance of improving safety environments for vulnerable groups, especially individuals with disabilities, in the face of the disasters and accidents that frequently occur in modern society. People with disabilities are more likely to suffer greater harm due to physical and environmental limitations during disasters, necessitating systematic response measures. This study proposes practical and tailored support measures to improve safety environments for vulnerable groups. To this end, a survey and in-depth interviews were conducted, focusing on disabled individuals, the elderly, and children in Daejeon, to analyze their perceptions and needs regarding safety environments. The research findings show that individuals with disabilities have a high level of fear of disasters and safety accidents, and their ability to respond in emergency situations is very low. Elderly people experience difficulty responding during emergencies due to social isolation and limited access to information, whereas children lack awareness of risks, making it challenging for them to respond appropriately when accidents occur. Based on these findings, this study emphasizes the need for tailored educational programs, expanded safety infrastructure, and the development of IoT-based support systems to provide comprehensive measures for vulnerable groups. In conclusion, this study proposes tailored policies and support measures that consider the characteristics of vulnerable groups. By doing so, it is intended to strengthen the disaster response capabilities of vulnerable groups, including individuals with disabilities and the elderly, and contribute to creating a safer social environment.

The Scenario of Intimate Partner Violence (IPV) & Increased Women’s Empowerment in Bangladesh

Intimate Partner Violence (IPV) remains a significant issue in Bangladesh, despite the recent strides in women’s empowerment. This study investigates whether the empowerment of women plays a role in reducing IPV, while also examining the influence of a patriarchal social structure on this dynamic. Utilizing qualitative research methods, this analysis draws primarily on secondary data sources, including journal articles, prior studies, news reports, and editorials. Process tracing, a storytelling-based analytical tool, is employed to explore the patterns and relationships involved. The findings suggest that while women's empowerment serves as a mitigating factor in reducing IPV, the entrenched patriarchal nature of male dominance initially triggers resistance to both empowerment and IPV reduction efforts. Nonetheless, the study argues that this resistance can be overcome through concerted efforts, involving government and NGO initiatives that focus on effective law enforcement, supportive policies, and the creation of a safe and respectful environment for women. These collaborative approaches offer promising pathways for addressing IPV in Bangladesh.

Assessment of the efficiency of functioning of the environmental management system of enterprises

Purpose. A multifactor model is developed to assess the efficiency level of an enterprise’s environmental management system, depending on the effectiveness of organizational environmental measures. Methodology. The authors’ method for determining a comprehensive criterion for monitoring the effectiveness of the environmental management system, which characterizes the efficiency of operation and determines the level of environmental safety of enterprises, is proposed and used. To solve the tasks, a complex research method was also used, which included the analysis and generalization of literary and patent sources, and analytical, experimental research using computer and mathematical modeling methods. Findings. According to the studies and calculations of the generalized environmental quality indicator – 0.64, 0.66 and 0.66, the largest negative impact on the environment is caused by the activities of enterprises in the Pecherskyi, Podilskyi, and Solomianskyi districts of Kyiv, respectively. The obtained data testify to the relationship between the effectiveness of the implemented environmental measures (saving and rational use of resources, application of environmental technologies, advanced training, and environmental competence of employees) and the level of efficiency of the environmental management system of enterprises. Originality. As a result of the studies conducted using actual data, a system of indicators of the generalized environmental quality indicator has been proposed for the first time, which allows determining the environmental efficiency and effectiveness of the implemented environmental measures to assess the effectiveness of the functioning of the implemented environmental management system of the enterprise. Practical value. Based on the research results, a technique is proposed to assess the effectiveness of the environmental management system of enterprises by determining a generalized environmental quality indicator in terms of reducing the negative impact of the enterprise’s activities on the environment. Such an assessment system will help the management of the enterprise to promptly introduce corrective actions to improve the efficiency of the environmental management system and increase the level of environmental safety.

Innovations in Biodegradable Batteries: A Sustainable Future

The increasing demand for batteries in several industries such as medical and electric car (EV) Industry has led to significant environmental challenges due to the production and disposal of traditional batteries, which are nonbiodegradable and pose risks to ecosystems. This report investigates the potential of biodegradable batteries as a sustainable alternative to traditional batteries, aiming to minimize environmental impact. This study analyzing and comparing the fiber batteries, zinc-molybdenum batteries, plant-based batteries (Flower battery), crab shell battery as well as algal biopolymers battery. It also highlights the key materials, methods for manufacture, and performance characteristics (biodegradability, energy capacity, degradation time) of each type of biodegradable batteries. The findings suggest that biodegradable batteries offer promising solutions for specific applications, such as in biomedical devices, wearable electronics, and precision agriculture, where their biocompatibility and environmental safety are crucial. Future development should focus on enhancing energy density, optimizing degradation timelines, and reducing costs to make these batteries more competitive with traditional options.

Nuclear Decommissioning and Sustainable Environment: Insights on Decontamination Processes

Nuclear energy accounts for ≈10% of global energy production, positioning it as a promising solution for achieving carbon neutrality amid escalating concerns over climate change. Nonetheless, the effective management of radioactive waste, which can remain hazardous for up to one hundred thousand years, presents considerable challenges that must be addressed to uphold public trust and safeguard environmental safety. This review outlines the fundamental stages of nuclear decommissioning including strategic planning, decontamination, dismantling, remediation, encapsulation, deregulation, and site reuse as a critical component of sustainable environmental practices. The review also highlights the significance of efficient decontamination processes in reducing waste generation. Various decontamination techniques, including mechanical, electromechanical, chemical, and advanced methods such as laser and plasma decontamination, are evaluated for their effectiveness and limitations. Moreover, the review emphasizes the need to enhance the recovery and recycling of ion exchange resin and potential radionuclides during decontamination processes to minimize waste and to address the depletion of potential radionuclide resources. Future research should prioritize the development of innovative techniques for decontamination and radioactive waste management, fostering sustainable decommissioning and supporting the ongoing development of nuclear energy in an environmentally responsible manner.

Creating a safe space: medical students’ perspectives on using actor simulations for learning communication skills

BackgroundCommunication skills are an essential part of clinical competence that need to be acquired during health professions education. Simulations are extensively used for learning communication skills and have long been integral to medical degree programmes. In this research we use qualitative methodology to explore fourth-year medical students’ experiences in simulations aimed at improving versatile doctor-patient communication, focusing on their learning with trained actors.MethodsThe data comprises reflective writings from 208 fourth-year medical students, gathered after a communication skills course. These students provided informed consent for their writings to be included in the research. We performed an inductive qualitative content analysis on the textual data, with findings presented as themes, supported by categories, codes, and excerpts from raw data to enhance the trustworthiness of the analysis.ResultsWe identified eight key themes capturing students’ learning experiences through simulations: practising in a safe learning environment, valuing feedback, gaining new perspectives, finding simulations valuable and enjoyable, boosting confidence and self-knowledge, and viewing simulations as authentic and engaging learning opportunities. Some students offered critical perspectives on simulations. Throughout the course, students learned diverse aspects of patient care, emotional and behavioural communication dynamics, and lessons from medical errors. Some students offered critical perspectives on simulations, and a few indicated they did not learn anything new.ConclusionsA safe learning environment is vital for encouraging learners to explore, make errors, and absorb feedback to improve their communication with patients. Students predominantly valued the communication skills training with actors and the constructive feedback received and given in the debriefing discussions. However, some students expressed critical views toward simulations. Simulations are not static; they evolve and require continual improvements. Hence, we advocate for the ongoing exploration and enhancement of communication skills learning methods, including simulations, with careful consideration for students’ vulnerability and the importance of psychological safety. Additionally, it is critical to address students’ perceptions that certain clinical teachers prioritise biomedical knowledge over communication skills. Providing tailored training for teachers regarding the learning methods and the desired outcomes of communication courses is essential.

Analysis of traffic injury trends, and strategies for road safety promotion in Lithuania

Abstract Every year, about 1.3 million people die on the world’s roads. The aim of the study was to analyze the mortality trends from traffic injuries, and to discuss strategies for the prevention of road traffic injuries and road safety promotion in Lithuania. A longitudinal study was conducted, and regression analysis was applied. The study showed that, when analyzing the changes in mortality from the main causes of death over 2009-2019, the greatest progress in mortality reduction was observed in the category of deaths from external causes; whereas, the number of deaths from diseases of the circulatory system did not change, and the number of deaths from malignant tumors increased slightly. In Lithuania, the death rate from traffic injuries per 100,000 inhabitants decreased significantly over a 50-year period (1971-2020) (in the whole population, and in the subgroups of men and women). In Lithuania, during the fifty-year period (1971-2020), pedestrian mortality rates decreased significantly in the whole population, and children and adolescents (0-14, 15-19, and 0-19 years). Over 1998-2020, road traffic injury deaths decreased significantly in children age groups 0-14, 15-19, and 0-19. After exploring the preventive strategies used for road safety promotion, it was revealed that the most effective results were achieved, when education, safe environment creation, and legislation with enforcement were used. It was important to create a safe engineering environment, to separate pedestrian and bicycle paths from high-speed traffic on roads, to improve the visibility of road users, to apply measures that reduce driver’s fatigue, and to combat the usage of mobile phones while driving. Preventive activities were aimed at alcohol control, speed limitation, education of safe behavior of drivers, promotion of safe cars operation. The usage of safety belts and safety seats, helmets for motorcyclists and cyclists were increased through legislative and educational measures.

Enhancing cardiology trainee competence through simulation-based pericardiocentesis training: a pilot programme evaluation

Abstract Introduction Cardiology training requires trainees to manage clinical duties whilst developing practical skills. Changes to the UK curriculum have resulted in reduced time available for procedural teaching. Pericardiocentesis is one of many required competencies. The Joint Royal College of Physicians Training Board cardiology curriculum cites the importance of simulation-based education to teach procedures. Procedural training encompasses the development of clinical reasoning alongside motor skills. Gange (1962) and Carless (2010) emphasized the importance of expert-guided practice, interactive teaching, and instant feedback in motor skills teaching to maximize the educational experience. Aim Develop a simulation teaching programme to enhance trainees' confidence and competency in pericardiocentesis. Procedures form part of a summative Direct Observation of Procedural Skills, enabling trainees to learn in a safe environment and use as evidence at their Annual Review of Competence Progression (ARCP). Method We developed a pilot programme for pericardiocentesis facilitated through high-fidelity equipment between February 2023 and February 2024. Participants were recruited through medical education departments. The sessions were delivered on a one-to-one basis by a cardiology consultant to facilitate discussion and interactivity. The teaching involved a core knowledge presentation, discussion of trainee experiences, case studies as examples, including review of echocardiography features. This was followed by clinical skills teaching of pericardiocentesis, utilizing a model, and transthoracic echocardiography. Trainees were sent anonymous feedback forms after the session. Results 46 cardiology registrars participated; 48% were within their first few years of training. 87% reported difficulty in practicing this skill in clinical practice due to: lack of exposure, other clinical responsibilities taking priority, and the need for consultant-delivered care on patients requiring an urgent or emergency procedure. Mean trainee confidence before teaching was 3.24 out of 5 (SD = 1.14), with a significant improvement to 4.48 (SD = 0.59 p<0.001). 52% improved in confidence by 1 unit and, 31% improved in confidence by 2 or more units. Trainees reported the following themes regarding the session: knowledgeable trainer, high fidelity equipment, instant feedback to predict, prevent, and overcome challenges, and a multi-modal approach to teaching, incorporating presentation and discussion on pericardial effusion, tamponade, and drainage. Conclusion Our programme offers a unique multi-modal teaching approach, with dedicated time with an expert. We supported the progress of 46 trainees and enhanced their training competencies. We aim to expand the programme to incorporate more procedures in line with growing curriculum requirements. Tracking trainee progress until ARCP outcomes will reveal the impact of simulation teaching on their experience and professional development.

Costs of Potential Medication Wastage Due to Switching Treatment Among People With Multiple Sclerosis

Background: Unused medications negatively impact healthcare resource utilization and environmental safety, contribute substantially to annual healthcare expenditures, and may ultimately affect patient health outcomes. People with multiple sclerosis (PwMS) commonly switch disease-modifying therapies (DMTs), leading to medication wastage and substantial costs for insurers and patients. Objectives: To estimate the cost associated with potential medication wastage (PMW) in a subcohort of PwMS receiving oral or self-injectable US Food and Drug Administration–approved DMTs who switched DMTs in a calendar year in the United States. Methods: This retrospective cohort study included adults with MS and used PharMetrics® Plus claims data from 2017 to 2021. PwMS were required to have 12 months of continuous eligibility for the entire year and a claim for at least 2 unique DMTs during the same calendar year. The PMW cohort was defined as those who had an aggregate overlap in days’ supply across DMT switches within the year; those in the non-PMW cohort did not. The cost of PMW for insurers and PwMS due to overlap was calculated only at the point of switch to the new DMT and defined as the cost of the remaining days’ supply of the prior DMT. Results: The number of PwMS meeting the inclusion criteria was 1762 in 2017, 1947 in 2018, 1679 in 2019, 1461 in 2020, and 1782 in 2021. Approximately 95% of PwMS switched DMTs once within single calendar years, and 25% (n = 381-464) contributed to PMW. For those who had overlapping DMT supply, it was estimated that 34% to 38% of the DMT being switched from was potentially wasted. The total cost of PMW paid by the insurer and PwMS ranged from $1 200 866 to $1 489 859. While most of the total cost ($1 172 140-$1 450 328) was paid by the insurer, PwMS still owed substantial amounts ($28 726-$74 578). Across all PwMS, the per person per year cost ranged from $716 to $846. The estimated wastage and associated costs were consistent across all study years. Conclusions: DMT switching is common among PwMS, resulting in PMW and high costs to patients and insurers.

Adsorption of Pb(II) and Cd(II) on Modified Coal Gasification Slag: Competitive Adsorption, Leaching Toxicity, and Adsorption Mechanism

AbstractTo remove heavy metals from wastewater, coal gasification slag (CGS) was prepared as an adsorbent. Five modified materials were created, including HF‐CGSC, KOH‐HCl‐CGS, and three KOH‐CGS variants with different mass ratios. The adsorption tests showed KOH‐CGS (0.25) had the best efficiency for Pb(II) and Cd(II) via spontaneous chemisorption. Kinetic, thermodynamic, and 13C NMR analyses indicated that adsorption involved pore adsorption, functional group coordination, and π‐π interactions. Competitive adsorption results showed minimal interaction between Pb and Cd. Leaching tests confirmed the process's environmental safety. This study suggests new approaches for using coal gasification slag in wastewater treatment.

Layered Perovskite La2Ti2O7 Nanostructures for Photocatalytic Degradation of Congo Red Dye Pollutant

AbstractIn photocatalytic innovation, there has been a lot of interest in creating broad spectral responsive photocatalysts to get superior catalytic performance. In this study, we synthesized highly visible‐light responsive La2Ti2O7 perovskite photocatalysts by the probe ultrasonication procedure followed by high‐temperature calcination. Such materials are characterized using UV‐vis diffuse reflectance spectra, powder X‐ray diffraction, X‐ray photoelectron spectroscopy, and scanning electron microscopy to illustrate the optical absorption activities, crystalline properties, chemical composition, and microscopic features. La2Ti2O7 extends optical absorption towards the visible light spectrum and narrows the band gap. The photocatalytic efficacy of the resulting La2Ti2O7 nanostructures was investigated by performing photocatalytic degradation of persistent Congo red (CR) dye while subjected to visible photon illumination using three Osram 150 W tungsten halogen lamp ((λ≥400 nm), 5000 lm nominal luminous flux, 80,600 lx radiation intensity. With effective efficiency, the optimum degradation of the 10 ppm CR dye with a percentage of 95.9 was achieved after 90 min during exposure to the La2Ti2O7 perovskite with a catalyst dosage of 30 mg/100 mL at pH 6. Consequently, La2Ti2O7 nanostructures alone depicted 19.8 % adsorption efficiency for CR dye. In addition, OH⋅ and holes were important in degrading CR dye, which included many different reaction pathways. The treated solution can also demonstrate the environment's safety for accepting water. In summary, under natural visible light irradiation, the synthesized La2Ti2O7 showed enormous promise for eliminating different organic contaminants using photocatalytic methodology.

Simulation learning: exploring its transformative influence on nursing practice.

Simulation in nursing education enables nursing students to develop and practise their clinical, critical thinking and decision-making skills within the safety of a realistic learning environment. Evidence suggests that this method of learning can enhance nursing students' confidence, enabling them to navigate the current challenges in healthcare and consider new ways of working. This article outlines the benefits and challenges of simulation and discusses the implications of the use of this learning technique in nurse education for future nursing practice.