Encontrados 22 documentos, a visualizar página 1 de 3

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Analysis of multiple pesticide and endocrine disruptor residues in drinking wat...

Fernandes, Diana; Gorito, Ana; Ribeiro, Ana Rita; Ribeiro, Cláudia

Background: The presence of pesticide residues and endocrine disruptors in sources used for drinking water abstraction has become a significant concern nowadays [1,2]. These substances pose risks to the environment, biodiversity, and public health. Consequently, monitoring these compounds in drinking water is crucial to maintaining their quality and safety. Therefore, there is a need to develop sensitive analyt...

Data: 2025   |   Origem: Scientific Letters

Heavy metal profiles in teas and herbal infusions: a cross-country analysis

Sousa, Ana; Azevedo, Rui; Richardeau, Agathe; Almeida, Agostinho; Couto, Cristina; Ribeiro, Cláudia; Gonçalves, Virgínia; Ribeiro, Ana Rita; Pádua, Inês

Background: Teas and herbal infusions (THIs) are valued for their health benefits but may contain heavy metal impurities, posing health risks due to bioaccumulation and toxicity [1]. Heavy metal contamination in THIs is linked to anthropogenic sources like pollution, soil contamination, irrigation, fertilizers, and food processing equipment [2]. With the rising consumption of THIs, monitoring heavy metal contam...

Data: 2025   |   Origem: Scientific Letters

PREVALENCE OF HYPERTENSION IN THE MUNICIPALITY OF VILA VELHA DE RÓDÃO

Ribeiro, Ana Rita; Coelho, Patrícia; Pires, Joana; Barbas, Francisco José

Introduction: Cerebrocardiovascular diseases are a major global scourge, being responsible for huge deaths. These are chronic, non-infectious diseases that develop silently throughout life. The high prevalence and incidence of Cerebrocardiovascular diseases are directly linked to several risk factors that contribute to uncontrolled blood pressure. Along these lines, the Beira Baixa Blood Pressure Program was cr...


Liderança, equipas, rendimento e comprometimento organizacional: um estudo sobr...

Ribeiro, Ana Rita; Gomes, A. Rui; Morais, Catarina; Sousa, Jacinta Marlene Rebelo; Fontes, Liliana Magalhães Campos

Este estudo analisou a relação entre os estilos de liderança e três dimensões da atividade profissional (trabalho em equipa, rendimento profissional e comprometimento organizacional), numa empresa multinacional que utiliza o método Scrum. Mais concretamente: (a) comparou-se a perceção dos membros de equipa acerca da liderança de dois responsáveis de equipa; (b) comparou-se a perceção dos membros de equipa com a...


Optimization of the chromatographic conditions of a multi-residue GC-MS method ...

Fernandes, Diana; Valente, Mariana; Ribeiro, Ana Rita; Ribeiro, Cláudia

Background: Nowadays, the presence of pesticide residues and endocrine disruptors in sources for abstraction of drinking water has become a serious concern [1,2]. These classes negatively affect the environment, biodiversity, and public health. In this sense, monitoring these compounds in drinking water is essential to ensure its quality and safety on its use. Therefore, the development of sensitive analytical ...

Data: 2024   |   Origem: Scientific Letters

Liderança, equipas, rendimento e comprometimento organizacional: estudo sobre m...

Ribeiro, Ana Rita; Gomes, António Rui Silva; Morais, Catarina; Sousa, Jacinta; Fontes, Liliana

Este estudo analisou a relação entre os estilos de liderança e três dimensões da atividade profissional (trabalho em equipa, rendimento profissional e comprometimento organizacional), numa empresa multinacional que utiliza o método Scrum. Mais concretamente: (a) comparou-se a perceção dos membros de equipa acerca da liderança de dois responsáveis de equipa; (b) comparou-se a perceção dos membros de equipa com a...


Protein hydrolysates from salmon heads and cape hake by-products: comparing enz...

Pires, Carla; Leitão, Matilde; Sapatinha, Maria; Gonçalves, Amparo; Oliveira, Helena; Nunes, Maria Leonor; Teixeira, Bárbara; Mendes, Rogério

Fish by-products can be converted into high-value-added products like fish protein hydrolysates (FPHs), which have high nutritional value and are rich in bioactive peptides with health benefits. This study aims to characterise FPHs derived from salmon heads (HPSs) and Cape hake trimmings (HPHs) using Alcalase for enzymatic hydrolysis and Subcritical Water Hydrolysis (SWH) as an alternative method. All hydrolysa...


Psicopatia, pressão de pares e envolvimento em comportamento antissocial

Ribeiro, Ana Rita

A psicopatia é um transtorno que configura um conjunto de traços de personalidade associados a perturbações emocionais e comportamentais, sendo frequentemente associado ao comportamento criminal e antissocial (i.e., Cooke & Michie, 2001; Patrick, Fowles & Krueger, 2009; Próspero‐Luis, Moreira, Paiva, Teixeira, Costa & Almeida, 2017), configurando um importante fator de risco dentro da literatura na área (Andrew...


Deciphering the role of aging in Multiple Sclerosis: focusing on frailty index,...

Ribeiro, Ana Rita

Age has a negative impact on Multiple Sclerosis (MS), namely influencing disease worsening and the poor response to treatments. With age, the ability to initiate an effective immune response is lost due to a strong accumulation of health deficits leading to MS progression. Although studies highlighted associated pathological mechanisms, influence of frailty and microbiota are now emerging and the impact of age ...


Enantiomeric estimation of drugs consumption by gas chromatography: the role of...

R. Langa, Ivan; Ribeiro, Ana Rita; M. F. Gonçalves, Virgínia; Tiritan, Maria Elisabeth; Ribeiro, Cláudia


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