61 documents found, page 1 of 7
Morin-loaded chitosan-poloxamer hydrogel as an osteoinductive delivery system f...
Pereira, Jesse Augusto; Martin, Victor; Araújo, Rita; Grenho, Liliana; Gomes, Pedro; Marto, Joana; Fernandes, Maria Helena; Santos, CatarinaConsidering the search for new biocompatible intracanal medicaments that can preserve remaining cells and stimulate bone tissue repair in the periapical region, this study aimed to synthesize and characterize the physicochemical properties of morin-loaded chitosan-poloxamer hydrogel (MCP) as well as to evaluate its osteogenic potential. Morin hydrate (M) was loaded into chitosan-poloxamer (CP) hydrogel and the ...
Surrogacy in Portugal: Drawing insights from international practices
Conde, Ana; Santos-Pereira, Carla; Costa, Eva Dias; Araújo, Maria; Domingues, Mariana; Pinho, Micaela; Martinez de Campos, Mónica; Jayantilal, ShitalAs Portugal prepares to implement surrogacy legislation, it enters a realm fraught with legal, ethical, and psychological complexities. Across the globe, jurisdictions exhibit diverse approaches to surrogacy, reflecting cultural, ethical, and legal diversity. This necessitates a comprehensive understanding of the implications of surrogacy within different legal systems. Moreover, the psychological impact on sur...
Changing human hair fibre colour and shape from the follicle
Matamá, Maria Teresa Gonçalves Macedo; Costa, Cristiana Filipa Chaves; Fernandes, Bruno; Araújo, Rita; Cruz, Célia F.; Tortosa, FranciscoIntroduction: Natural hair curvature and colour are genetically determined human traits, that we inten tionally change by applying thermal and chemical treatments to the fibre. Presently, those cosmetic methodologies act externally and their recurrent use is quite detrimental to hair fibre quality and even to our health. Objectives: This work represents a disruptive concept to modify natural hair colour and cur...
Nutrition and food literacy: framing the challenges to health communication
Silva, Paula C.P.V. da; Araújo, Rita; Lopes, Felisbela; Ray, SumantraNutrition and food literacy are two important concepts that are often used interchangeably, but they are not synonymous. Nutrition refers to the study of how food affects the body, while food literacy refers to the knowledge, skills, and attitudes necessary to make informed decisions about food and its impact on health. Despite the growing awareness of the importance of food literacy, food illiteracy remains a ...
Fact-checks: la liquidez de un género. Un Estudo de caso portugués en un contex...
Santos, Clara Almeida; Peixinho, Ana Teresa; Lopes, Felisbela; Araújo, RitaEste estudo propõe a abordagem da verificação de factos como processo da prática jornalística (fact-checking) e como género discursivo (fact-check) partilhado por diferentes campos da comunicação, do jornalismo à comunicação estratégica. A pandemia de COVID-19 reforçou a necessidade de destrinçar entre informação falsa e informação fidedigna. Analisam-se 205 fact-checks sobre vacinas do Polígrafo, recolhidos da...
The visibility of specialised sources in journalism: the example of COVID-19
Lopes, Felisbela; Araújo, Rita; Magalhães, Olga; Santos, Clara Almeida; Peixinho, Ana Teresa; Burnay, Catarina DuffDuring the COVID-19 pandemic, the Portuguese news media assumed a crucial role in informing the population, striving to develop knowledge about the disease, and promoting preventive behaviours to reduce transmission. To do so, they relied mainly on experts. While official interlocutors were still present in journalistic texts, scholars and physicians gained significant visibility. This article analyses how spec...
A Visibilidade das Fontes Especializadas no Jornalismo: O Exemplo da COVID-19
Lopes, Felisbela; Araújo, Rita; Magalhães, Olga; Almeida Santos, Clara; Peixinho, Ana Teresa; Duff Burnay, CatarinaDurante a pandemia de COVID-19, os media noticiosos portugueses assumiram um papel fundamental na informação da população, empenhando-se em desenvolver o conhecimento sobre a doença e em promover comportamentos de prevenção para reduzir a transmissão. Para isso, socorreram-se de modo especial dos especialistas. Foi através deles que as redações procuraram dar respostas e encontrar soluções. É verdade que os int...
Impact of Sea Warming and 17-α-Ethinylestradiol Exposure on the Lipid Metabolis...
Rodrigues, João A.; Bispo, Daniela S. C.; Silva, Mónica G.; Araújo, Rita; Soares, Amadeu M. V. M.; Freitas, Rosa; Gil, Ana M.This paper reports on an NMR metabolomics study of lipophilic extracts of Ruditapes philippinarum clams exposed to the hormonal contaminant 17-α-ethinylestradiol (EE2), at 17 °C and 21 °C. The results reveal that exposure at 17 °C triggers a weak response at low EE2 concentrations, suggestive of a slight increase in membrane rigidity, followed by lipid metabolic stability at higher EE2 concentrations. On the ot...
Pre-Exposure Prophylaxis for Human Immunodeficiency Virus in the Medical Curric...
Duarte, Francisco; Rua, Nuno; Gomes, David; Ricoca Peixoto, Vasco; Azevedo, Daniela; Graça, Duarte; Teixeira, Inês; Fernandes, Inês; Frutuoso, JoãoIntroduction: Pre-exposure prophylaxis (PrEP) has gained relevance as a method of prevention for HIV in certain people and settings. Following the publication of the guideline on PrEP prescribing in Portugal, we aimed to assess the knowledge of Portuguese Medical Students about PrEP.Material and Methods: An online survey was sent to Medical students of Portuguese Medical Schools. We conducted a descriptive anal...
Vacinação: mais um capítulo na narrativa política da pandemia
Peixinho, Ana Teresa; Lopes, Felisbela; Santos, Clara Almeida; Araújo, Rita; Duff-Burnay, Catarina; Magalhães, Olga EstrelaEste artigo é um estudo de caso exploratório sobre a mediatização da primeira fase de vacinação contra a COVID-19 em Portugal. Analisa qualitativamente dois jornais diários generalistas portugueses – o Público, jornal de referência, e o Jornal de Notícias, jornal popular –, procurando compreender quais as estratégias discursivas utilizadas nas peças informativas sobre vacinação. A análise de discurso de 101 tít...