11 documents found, page 1 of 2
Baseline data and associations between urinary biomarkers of polycyclic aromati...
Barros, B; Paiva, AM; Oliveira, M; Alves, S; Esteves, F; Fernandes, A; Vaz, J; Slezakova, K; Costa, S; Teixeira, JP; Morais, SIntroduction: Available literature has found an association between firefighting and pathologic pathways leading to cardiorespiratory diseases, which have been linked with exposure to polycyclic aromatic hydrocarbons (PAHs). PAHs are highlighted as priority pollutants by the European Human Biomonitoring Initiative in occupational and non-occupational contexts. Methods: This cross-sectional study is the first to...
Biomonitoring of firefighters' exposure to priority pollutant metal(loid)s duri...
Paiva, AM; Barros, B; Azevedo, R; Oliveira, M; Alves, S; Esteves, F; Fernandes, A; Vaz, J; Alves, MJ; Slezakova, K; Pereira, MDC; Teixeira, JP; Costa, SWildland firefighters are exposed to metal(loid)s released during wildfires through vegetation combustion, which also promotes remobilization of accumulated anthropogenic metal(loid)s. Studies biomonitoring metal(loid)s exposure promoted exclusively by wildfire suppression activities are lacking. This work aimed to characterize, for the first time, the impact of real-life wildland firefighting operations on uri...
The Impact of Sleep on Haematological Parameters in Firefighters
Alves, S; Silva, F; Esteves, F; Costa, S; Slezakova, K; Alves, M; Pereira, M; Teixeira, J; Morais, S; Fernandes, A; Queiroga, F; Vaz, JSleep is a vital process that impacts biological functions such as cell renewal, bone regeneration, and immune system support. Disrupted sleep can interrupt erythropoiesis, leading to fewer red blood cells, reduced haemoglobin concentration, and decreased haematocrit levels, potentially contributing to haematological disorders. This is particularly concerning for shift workers for example firefighters. While pr...
Biomonitoring of polycyclic aromatic hydrocarbons exposure and short-time healt...
Paiva, AM; Barros, B; Oliveira, M; Alves, S; Esteves, F; Fernandes, A; Vaz, J; Slezáková, K; Teixeira, JP; Costa, S; Morais, SHuman biomonitoring data retrieved from real-life wildland firefighting in Europe and, also, worldwide are scarce. Thus, in this study, 176 Portuguese firefighters were biomonitored pre- and post- unsimulated wildfire combating (average:12–13 h; maximum: 55 h) to evaluate the impact on the levels of urinary polycyclic aromatic hydrocarbons hydroxylated metabolites (OHPAH; quantified by high-performance liquid c...
Firefighters' Occupational Exposure in Preparation for Wildfire Season: Address...
Esteves, F; Slezakova, K; Madureira, J; Vaz, J; Fernandes, A; Morais, S; do Carmo Pereira, M; Teixeira, JP; Costa, SThe characterization of wildland firefighters' occupational exposure must consider different exposures, including those at the fire station. The present study aimed to characterize the occupational exposure of 172 Northern Portuguese wildland firefighters in fire stations during the pre-wildfire season of 2021. The biological impact of estimated inhaled doses of PM10 and PM2.5 (indoor/outdoor) was accessed thro...
A Pilot Study on the Metabolic Impact of Mediterranean Diet in Type 2 Diabetes:...
Ismael, S; Silvestre, MP; Vasques, M; Araújo, JR; Morais, J; Duarte, MI; Pestana, D; Faria, A; Pereira-Leal, JB; Vaz, J; Ribeiro, P; Teixeira, DThe Mediterranean diet (MD) has been recommended for type 2 diabetes (T2D) treatment. The impact of diet in shaping the gut microbiota is well known, particularly for MD. However, the link between MD and diabetes outcome improvement is not completely clear. This study aims to evaluate the role of microbiota modulation by a nonpharmacological intervention in patients with T2D. In this 12-week single-arm pilot st...
Firefighters exposure to fire emissions: Impact on levels of biomarkers of expo...
Oliveira, M; Costa, S; Vaz, J; Fernandes, A; Slezakova, K; Delerue-Matos, C; Teixeira, JP; Carmo Pereira, M; Morais, SFirefighters represent one of the riskiest occupations, yet due to the logistic reasons, the respective exposure assessment is one of the most challenging. Thus, this work assessed the impact of firefighting activities on levels of urinary monohydroxyl-polycyclic aromatic hydrocarbons (OHPAHs; 1-hydroxynaphthalene, 1-hydroxyacenaphthene, 2-hydroxyfluorene, 1-hydroxyphenanthrene, 1-hydroxypyrene, 3-hydroxybenzo(...
Comparison of the Antibacterial Activity of Modified-Cotton with Magainin I and...
Pedrosa, M; Mouro, C; Nogueira, F; Vaz, J; Gouveia, IWounds are the ideal setting for the development of micro-organisms, so it is often necessary to apply a dressing to control bacterial colonization. Cotton is commonly used in dressings, as it exhibits important hydrophilic characteristics such as high moisture and fluid retention properties, but it may provide a sustainable media for the development of micro-organisms. In this way, the development of new strat...
Two Surface Activation Strategies to Functionalize Cotton Fibers with Cys-LC-LL...
Mouro, C; Pedrosa, M; Vaz, J; Gouveia, IThis investigation aimed to determine which of two surface activation methods, N,N'-carbonyldiimidazole (CDI) or 2,2,6,6-tetramethylpiperidine-1-oxyl (TEMPO), allowed more effective bonding of Cys-LC-LL-37, an antimicrobial peptide (AMP), onto cotton fibers and which one presented greater antimicrobial activity. The antibacterial effect of the TEMPO-activated cotton functionalized with Cys-LC-LL-37 was more eff...
Clinical manifestations of pandemic (H1N1) 2009 in the ambulatory setting
Duque, V; Vaz, J; Morais, V; Saraiva da Cunha, JG; Meliço-Silvestre, AINTRODUCTION: In June 2009, the World Health Organization declared an influenza pandemic associated with the pandemic (H1N1) 2009 strain. It was summer in the northern hemisphere, and therefore travelling and vacation time, which also provided an increased opportunity for the dissemination of respiratory diseases. METHODOLOGY: We reviewed the paper case report forms from all the patients with influenza-like ill...