12 documents found, page 1 of 2
What’s on the menu? How celebrity chef brands create happiness
Rodrigues, P.; Brochado, A.; Sousa, A.; Borges, A. P.; Barbosa, I.Purpose – This study aims, first, to understand consumers’ perception of chefs as human brands (i.e. study one). Second, tests were run to assess the validity of a new conceptual model of the relationships between the factors of chef image, luxury restaurant image, both images’ congruity and consumers’ hedonic and novelty experiences and happiness and well-being (i.e. study two). Design/methodology/approach – T...
Blood in a Haab Stria
Lages, V.; Coelho, J.; Abreu, C.; Menéres, M.; Barbosa, I.We describe a case of an asymptomatic and spontaneous intracorneal hemorrhage in an adult with congenital glaucoma and blood collected in a Haab stria.
Pollution effects on biochemical pathways determined in the polychaete Hediste ...
Nunes, B.; Vidal, D.; Barbosa, I.; Soares, A. M. V. M.; Freitas, R.Biomonitoring is an important tool for the assessment of the quality and functions of ecosystems, providing information about the pollutants present and the direct effects that they exert on organisms. Biomonitoring relies upon the quantification of variables that can be biochemical, genetic, morphological and physiological changes. Such variables are designated as biomarkers, and multiple biomarkers are usuall...
Bilateral proliferative retinopathy as the initial presentation of chronic myel...
Macedo, M.; Figueiredo, A.; Ferreira, N.; Barbosa, I.; Furtado, M.; Correia, N.; Gomes, M.; Lume, M.; Menéres, M.; Santos, M.; Meireles, M.The authors report a rare case of a 48-year-old male with chronic myeloid leukemia (CML) who initially presented with a bilateral proliferative retinopathy. The patient complained of recent visual loss and floaters in both eyes (BE). Ophthalmologic evaluation revealed a best corrected visual acuity (BCVA) of 20/50 in the right eye and 20/200 in the left eye (LE). Fundoscopy showed the presence of bilateral peri...
Integrated environmental assessment of freshwater sediments: a chemical and eco...
Ledo, L.; Soares, S.; Barbosa, I.; Palma, Patrícia; Alvarenga, PaulaIn order to study the pollution of an aquatic ecosystem, it is necessary to analyze not only the levels of chemical pollutants in water, but also those accumulated in the sediment matrix, as well as to assess its ecotoxicological status. The Alqueva reservoir, the largest artificial lake in Europe, was chosen as case study as it constitutes the most important water supply source in southern Portugal. It is loca...
TEXTURE AND COLOR OF BREAD: INFLUENCE OF beta-GLUCANS ADDITION
Galardo, A.; Barbosa, I.; Erben, M.; Ferreira, Isabel; Pinho, Olívia[Abstract]
Effects of atrazine and endosulfan sulphate on the ecdysteroid system of Daphni...
Palma, V.; Matos, C.; Fernandes, R.; Bohn, A.; Soares, A.; Barbosa, I.; Palma, PatríciaThe ecdysteroid system is used by crustaceans and other arthropods as the major endocrine signalling molecules, regulating processes such as molting and embryonic development. The aim of this study was to evaluate the ecdysteroid activity of two pesticides (atrazine and endosulfan sulphate), with distinct modes of action and which act in the juvenoid system of the crustacean Daphnia magna as weak juvenoid compo...
Endosulfan sulphate interferes with reproduction, embryonic development and sex...
Palma, V.; Fernandes, R.; Soares, A.; Barbosa, I.; Palma, PatríciaEndosulfan sulphate is the transformation product of endosulfan and it is the most frequent form of surface water contamination with endosulfan. The aim of this study was to evaluate the possible effects promoted by endosulfan sulphate in changes on the life cycle, embryo development and sex differentiation of Daphnia magna. The endpoints used were moulting frequency, fecundity, growth, developmentally abnormal...
Embryo-toxic effects of environmental concentrations of chlorpyrifos on the cru...
Palma, V.; Fernandes, R.; Bohn, A.; Soares, A.; Barbosa, I.; Palma, PatríciaChlorpyrifos is a non-systemic organophosphorus insecticide leading to the inhibition of the enzyme cholinesterase. Nowadays, this insecticide is widely used on a variety of crops and is frequently detected in surface waters around the world. The main aims of this study were to evaluate the effects of this insecticide on the embryonic development of Daphnia magna, and to assess the sensitivity of this endpoint ...
Assessment of the pesticides atrazine, endosulfan sulphate and chlorpyrifos for...
Palma, V.; Matos, C.; Fernandes, R.; Bohn, A.; Soares, A.; Barbosa, I.; Palma, PatríciaThe water flea Daphnia magna belongs to the cyclical parthenogenic species, which can reproduce by either parthenogenesis or sexual reproduction. Recent studies have reported the involvement of the methylfarnesoate hormone, in male sex determination of D. magna. The aim of this study was to evaluate the juvenoid and anti-juvenoid activity of atrazine, endosulfan sulphate, and chlorpyrifos. To assess the juvenoi...