Satisfação e usabilidade de uma tecnologia de informação e comunicação no ensino de enfermagem: um estudo piloto / Satisfaction and usability of an information and communications technology in nursing education: a pilot study / Satisfacción y usabilidad de una tecnología de la información y la comunicación en la formación de enfermería: un estudio piloto

Enquadramento: A literatura sugere que as ferramentas educacionais interativas podem constituir uma mais-valia para o processo de ensino-aprendizagem. Objetivo: Avaliar a usabilidade e a satisfação de uma plataforma tecnológica, destinada a estudantes de enfermagem, usando como objeto de apoio à aprendizagem, procedimentos relativos ao posicionar pessoa. Metodologia: Desenvolveu-se um estudo com 2 momentos de avaliação de referência cruzada. Cento e vinte e dois estudantes, inscritos numa unidade curricular no primeiro semestre do curso de licenciatura em enfermagem responderam a um questionário, para apurar a satisfação face ao modelo em uso (sem recurso à plataforma). Setenta e oito estudantes inscritos no segundo semestre tiveram acesso à plataforma educativa e deram a sua opinião quanto à eficácia, pertinência e responsividade da plataforma. Resultados: A ferramenta foi considerada útil, obtendo uma avaliação média de 8,01 (em 10). Conclusão: O uso correto de um objeto virtual de apoio à aprendizagem mostra facilitar o processo de ensino-aprendizagem, contribuindo para uma melhor aprendizagem e indiretamente para a excelência dos cuidados de enfermagem.

Background: The literature suggests that interactive educational tools can improve the teaching-learning process. Objective: To evaluate the usability and satisfaction capability of a technological platform, designed for nursing students, used as a support tool to learn the procedures related to patient positioning. Methodology: A study with 2 cross-reference evaluation moments was conducted. One hundred and twenty-two students enrolled in the 1st semester curricular unit of the Undergraduate Degree in Nursing, answered a questionnaire, for the assessment of the satisfaction level regarding the currently used model (with no access to the platform). Seventy-eight students enrolled in the second semester had access to the educational platform and gave their opinion on the efficacy, relevance, and responsiveness of the platform. Results: The students considered the tool useful. The overall evaluation had a mean of 8.01 (on a 0-10 scale). Conclusion: The correct use of the virtual learning object proves to be useful for the teaching-learning process, contributing to better learning and indirectly to the excellence of nursing care.

Marco contextual: La literatura sugiere que las herramientas educativas interactivas pueden constituir un beneficio para el proceso de enseñanza-aprendizaje. Objetivo: Evaluar la usabilidad y satisfacción de una plataforma tecnológica, dirigida a estudiantes de enfermería, para lo cual se utilizaron, como objeto de apoyo al aprendizaje, procedimientos relacionados con el posicionamiento de la persona. Metodología: Se desarrolló un estudio con 2 momentos de evaluación de referencias cruzadas. Ciento veintidós estudiantes matriculados en una unidad curricular en el primer semestre del Grado de Enfermería respondieron a un cuestionario para evaluar su satisfacción en relación con el modelo en uso (sin utilizar la plataforma). Setenta y ocho estudiantes matriculados en el segundo semestre tuvieron acceso a la plataforma educativa y dieron su opinión sobre la efectividad, relevancia, pertinencia y la respuesta de la plataforma. Resultados: La herramienta se consideró útil, y obtuvo una evaluación media de 8,01 (sobre 10). Conclusión: El uso correcto de un objeto de apoyo al aprendizaje virtual facilita el proceso de enseñanza-aprendizaje, lo que contribuye a un mejor aprendizaje e indirectamente a la excelencia en la atención de enfermería.

Optimization of the NO photooxidation and the role of relative humidity.

Photocatalysis was recognised as a suitable process for the photoabatement of atmospheric pollutants. The photooxidation mechanism on TiO2 has been widely studied. However, recent studies demonstrated that the very often-assumed photooxidation intermediated by the hydroxyl radical cannot explain all the experimental observations. Indeed, this study contributes for a new understanding of NO photooxidation. First, the adsorption equilibrium isotherms of NO, NO2 and H2O on the photocatalyst, Aeroxide® P25 from Evonik Industries, were obtained. Also, the concentration of hydroxyl radicals was determined by photoluminescence. A comprehensive design of experiments was then followed; NO conversion and selectivity were obtained as a function of the relative humidity, irradiance, NO inlet concentration and residence time, following a response surface methodology (RSM). These results were then used to discuss the photooxidation mechanism of NO.

An overview of photocatalysis phenomena applied to NOx abatement.

This review provides a short introduction to photocatalysis technology in terms of the present environmental remediation paradigm and, in particular, NOx photoabatement. The fundamentals of photoelectrochemical devices and the photocatalysis phenomena are reviewed, highlighting the main reaction mechanisms. The critical historical developments on heterogeneous photocatalysis are briefly discussed, giving particular emphasis to the pioneer works in this field. The third part of this work focus mainly on NOx removal technology considering topics such as: TiO2 photochemistry; effect of the operating conditions on the photocatalysis process; Langmuir-Hinshelwood modeling; TiO2 photocatalytic immobilization approaches; and their applications. The last section of the paper presents the main conclusions and perspectives on the opportunities related to this technology.