Holmgaardpehrson9792
Contaminants of emerging concerns present in the ecosystems causes various adverse effects on all living organisms. In current study, removal of Ce3+ from water was performed using Fe3O4/CAC nanocomposite (MCAC) synthesized by co-precipitation technique. The synthesized MCAC was characterized using various analytical techniques. The magnetic behavior of the nanocomposite which is a crucial advantage in separation of MCAC after adsorption of Ce3+ from water was determined using vibrating sample magnetometer. MCAC was polycrystalline comprising both amorphous and crystalline regions with elements like C, O, Fe and N. The influence of process parameters was optimized through batch mode with the adsorption capacity of 86.206 mg/g. Ecotoxicological studies were performed using Danio rerio (Zebra fish) and seeds of Vigna mungo and Vigna radiata to assess the harmful effects of Ce3+ before and after adsorption process. The phytotoxicity studies on seeds revealed that inhibition of growth ranges from 50.39% to 12.55% (before adsorption) and 28.57%-3.89% (after adsorption). After 96 h the LC50 value of Ce3+ on the Danio rerio before and after adsorption was 2.44 and 77.85 mg/L. Thus, the current study investigated the effective removal of Ce3+ by MCAC and evaluates its ecotoxicological effects.Clarifying the properties/features of nutrient loss from farmland surface runoff is essential for the mitigation of nutrient losses. Plough pan formation underneath topsoil is a common feature of long-term paddy soils that significantly affects water movement and nutrient runoff loss, especially during the upland season of paddy-upland rotation. To characterize the nutrients that are lost from wheat fields of paddy-wheat rotation with runoff, a field experiment was conducted in a wheat field using a simulated rainfall system from November 2019 to May 2020 in Nanjing, China. The aim of this study was to investigate the temporal characteristics of nitrogen (N) and phosphorus (P) loss under different rainfall intensities (low, 30 mm h-1; middle, 60 mm h-1; high, 90 mm h-1). The results showed that the time interval from the beginning of rain to the occurrence of runoff (time to runoff, Tr) was negatively correlated with "rainfall intensity" (Ri) (P＜0.01) but unaffected by soil moisture. Different rainfall intensities had no effect on the runoff coefficient (the ratio of the runoff volume over the precipitation, 0.14-0.17). PFK158 The N and P loss concentrations in the nutrient discharge followed a power-function relationship that decreased over time (P＜0.01), and the peak nutrient concentration appeared during the initial runoff period (0-5 min). The N and P loss rates were the highest during the middle-to-late discharge period (15-30 min) for all intensities. In terms of cumulative nutrient losses, the amounts of TN lost were similar for all rainfall intensities, while TP significantly increased with intensity. The results revealed that nitrate-nitrogen (NOX--N) and particulate phosphorus (PP) were the predominant forms of N and P losses. Overall, during the initial runoff period, nutrient concentration peaks, whereas the nutrient loss rate is the highest during the middle-late phase of the phenomenon.This paper presents the results of experimental research into the component composition of gases and ash residue from the combustion of a set of high-potential coal-water slurries containing petrochemicals. We have established that the use of slurry fuels provides a decrease in the CO2, CH4, SO2, and NOx concentrations as compared to those from coal combustion. The content of carbon monoxide and hydrogen in the gas environment from the combustion of slurries is higher due to the intense water evaporation. It is shown that adding biomass allows a further 5-33% reduction in the emissions of nitrogen and sulfur oxides as compared to the coal-water slurry and the composition with added waste turbine oil and a 23-68% decrease as compared to coal (per unit mass of the fuel burnt). The mechanisms and stages of CO2, SO2, and NOx formation are explained with a view to controlling gaseous anthropogenic emissions and ash buildup. The values of the relative environmental performance indicator are calculated for slurry fuels. It is shown to exceed the same indicator of bituminous coal by 28-56%.The terrestrial ciliated protozoan Colpoda cucullus inhabits soil. When the habitat conditions become unfavorable, the vegetative cells of C. cucullus quickly transform into resting cysts. C. cucullus culture is established in our laboratory, and encystment is routinely induced by the addition of Ca2+ to overpopulated vegetative cells. However, an increase in Ca2+ concentration and overpopulation of vegetative cells do not always occur in natural. We investigated the effect of temperature and found that cyst formation was induced by a rapid increase of 5 °C within 2 min but not by a decrease. Moreover, an increase in intracellular Ca2+ concentrations is essential, but Ca2+ inflow does not necessarily occur during encystment. Ca2+ image analysis showed that Ca2+ is stored in vesicular structures and released into the cytoplasm within 60 s after temperature stimulation. Multiple signaling pathways are activated after the release of Ca2+ from vesicles, and cAMP is a candidate second messenger with a crucial role in the process of temperature-induced encystment. Further studies are needed to clarify the mechanism underlying the sensing of temperature and release of Ca2+ from vesicles.
Telehealth is an expanding modality of providing care. In 2018, the National Organization of Nurse Practitioner Faculties (NONPF) released a white paper encouraging the inclusion of telehealth into nurse practitioner education. It is important for nursing students to gain experience with telehealth so that they are prepared to provide care via telehealth.
The purpose of this project was to evaluate the impact of incorporating telehealth simulation into objective structured clinical examinations (OSCEs) in the family nurse practitioner (FNP) and bachelor of science in nursing (BSN) programs.
This study was conducted at a public, liberal arts university in a rural area of the Southeast United States.
The FNP and BSN students participated in this study. The FNP program is a hybrid master's degree program, which has a two-year plan of study. The BSN program is a traditional campus-based program, which includes two years of upper-division nursing courses.
This mixed-methods study included a pre- and post-survey design utilizing both quantitative and qualitative measures to evaluate undergraduate and graduate nursing students understanding of and comfort with telehealth and their perceptions of a simulated intradisciplinary telehealth OCSE experience.
Students' telehealth knowledge, skills, and confidence were improved after the telehealth OSCE experience. Directed content analysis of the responses revealed three themes increased knowledge of telehealth, technical difficulties, and teamwork/communication.
It is beneficial for both undergraduate and family nurse practitioner students to have exposure to telehealth in their respective curriculums.
It is beneficial for both undergraduate and family nurse practitioner students to have exposure to telehealth in their respective curriculums.
Delirium evaluation is important because the development of delirium in critically ill patients negatively affects their progress and prognosis. Although delirium assessment tools have been developed, nurses have insufficient experience using these tools in clinical practice.
This study examined the effects of case-based confusion assessment methods for intensive care unit education on delirium knowledge and assessment accuracy for intensive care nurses.
This study adopted a pre- and post-test non-equivalent control group design.
The study participants were 122 general nurses (61 participants each in the experimental and control groups) working in the intensive care unit of one university hospital in South Korea.
Case-based confusion assessment methods for intensive care unit education comprised lectures on delirium and confusion assessment methods for intensive care unit tools and delirium assessment education using standardized patients. The experimental group received 80-min case-based confusion ge and delirium assessment accuracy in intensive care nurses. Based on the study results, various cases can be developed for the education of intensive care nurses.
The objective of this scoping review was to map and identify existing literature that described online learning and teaching approaches used in midwifery education.
An extensive search of multiple databases and gray literature was undertaken following the JBI standards, using predefined selection criteria and following the PRISMA guidelines.
This scoping review included studies published in English between 2010 and 2020 that explored the online approaches to learning and teaching for undergraduate midwifery students. The articles were reviewed by three reviewers and content analysis was undertaken.
Twenty-seven articles were included in the review. Results suggest that student engagement is one of the main components of effective teaching in online midwifery education. Online learning resources need to engage the student and promote two-way communication that facilitates and motivates learning.
Adequate training and support for academic staff and students is essential for the online delivery of midwifery education.
Adequate training and support for academic staff and students is essential for the online delivery of midwifery education.
Active teaching methodologies that incorporate students' feelings and beliefs and encourage them to reflect upon and critically think about certain variables, are extremely useful to teachers.
To explore the potential of dramatisation and photovoice technologies as instruments to stimulate nursing students to reflect upon violence against women in society, thereby encouraging critical thinking and debate in a participatory way.
This was a qualitative, descriptive-exploratory study which used the participatory action research approach.
Forty fourth-year students enrolled in the Nursing undergraduate degree at the University of Alicante in Spain.
The photovoice technique was used to record images from a dramatisation which served as the basis to represent scenes from the everyday life of people who are subjected to physical and psychological violence. These photographs were then debated and analysed by the students. We used MAXQDA® software and the guidelines published by Giorgi to aid our data analysis.
Four main categories emerged; the 'violence against women'. The 'victim' and 'abuser' categories considered 'emotions', 'feelings', 'attitudes', and 'behaviours'. The fourth category that emerged was 'social viewpoints'.
Photovoice-dramatisation raised awareness among the students and allowed them to reflect upon these behaviours and to critically think about the cultural and social dimensions of violence against women. The use of both of these techniques in practical and theoretical contexts to train students can help to nurture social commitment when faced with this problem.
Photovoice-dramatisation raised awareness among the students and allowed them to reflect upon these behaviours and to critically think about the cultural and social dimensions of violence against women. The use of both of these techniques in practical and theoretical contexts to train students can help to nurture social commitment when faced with this problem.
