[Editorial] Introduction to the special issue on COST Action FA1001

This Special Issue gathers selected contributions from experts of the action on several aspects of food structure design explored throughout the actions activity, from basic science to applications and behavior of foods during digestion.

Princípios para a reabilitação sustentável low cost de edifícios antigos: estudo de um quarteirão no centro da cidade do Porto

Dissertação de mestrado em Construção e Reabilitação Sustentável

Exploração de temas do estudo do meio (1º CEB) e das ciências da natureza (2º CEB) através de uma estratégia de ensino das ciências do tipo Prevê-Observa-Explica-Reflete

Relatório de estágio de mestrado em Ensino do 1º e 2º Ciclo do Ensino Básico

User expectations for media sharing practices in open display networks

Open Display Networks have the potential to allow many content creators to publish their media to an open-ended set of screen displays. However, this raises the issue of how to match that content to the right displays. In this study, we aim to understand how the perceived utility of particular media sharing scenarios is affected by three independent variables, more specifically: (a) the locativeness of the content being shared; (b) how personal that content is and (c) the scope in which it is being shared. To assess these effects, we composed a set of 24 media sharing scenarios embedded with different treatments of our three independent variables. We then asked 100 participants to express their perception of the relevance of those scenarios. The results suggest a clear preference for scenarios where content is both local and directly related to the person that is publishing it. This is in stark contrast to the types of content that are commonly found in public displays, and confirms the opportunity that open displays networks may represent a new media for self-expression. This novel understanding may inform the design of new publication paradigms that will enable people to share media across the display networks.

Validation of a method to measure light distortion surrounding a source of glare

Our objective was to validate a new device dedicated to measure the light disturbances surrounding bright sources of light under different sources of potential variability. Twenty subjects were involved in the study. Light distortion was measured using an experimental prototype (light distortion analyzer, CEORLab, University of Minho, Portugal) comprising twenty-four LED arrays panel at 2 m. Sources of variability included: intrasession and intersession repeated measures, pupil size (3 versus 6 mm), defocus (þ0.50) correction for the working distance, angular resolution (15 deg versus 30 deg), temporal stimuli presentation, and pupil size. Size, shape, location, and irregularity parameters have been obtained. At a low speed of presentation of the stimuli, changes in angular resolution did not have an effect on the results of the parameters measured. Results did not change with pupil size. Intensity of the central glare source significantly influenced the outcomes. Examination time was reduced by 30% when a 30 deg angular resolution was explored instead of 15 deg. Measurements were fast and repeatable under the same experimental conditions. Size and shape parameters showed the highest consistency, whereas location and irregularity parameters showed lower consistency. The system was sensitive to changes in the intensity of the central glare source but not to pupil changes in this sample of healthy subjects.

Removal of Erythrosine B dye from water effluents using crop waste pumpkin seed hulls as adsorbent

Erythrosine B is widely used for coloring in various applications, especially in the food industry, despite its already proved toxicity and carcinogenicity. The agrowaste pumpkin seed hulls were applied as potential adsorbent for the removal of Erythrosine from aqueous solutions. Adsorption mechanism and kinetics were analyzed for design purposes. The seed hulls were characterized by specific techniques before and after dye retention. It was found that the attachment of Erythrosine B molecules on adsorbent surface may be attributed to the interactions between carboxyl and/or carbonyl groups of both dye and agrowaste wall components. A univariate approach followed by a factorial design was applied to study and analyze the experimental results as well as to estimate the combined effects of the process factors on the removal efficiency and dye uptake. Adsorption mechanism may be predominantly due to intraparticle diffusion, dependent on pore size. The four equilibrium models applied fitted the data well; the maximum adsorption capacity for Erythrosine was 16.4 mg/g. The results showed that adsorbent is effective for Erythrosine B removal for a large concentration range in aqueous solutions (5400 mg/L) in batch systems.

Brazil's global aspirations and their implications for the relationship with Argentina in the framework of MERCOSUR

Dissertação de mestrado em Relações Internacionais

Investor sentiment and the cross-section of stock returns in the French stock market

Dissertação de mestrado em Finanças

Food Structure Design: Innovation in food structure-properties relationships

This Special Issue gathers selected contributions from the 1st Congress on Food Structure Design, covering most of the topics described above.

External and internal dynamics in the EU's counter-terrorism policy: a political and legal analysis

Tese de Doutoramento em Ciência Política e Relações Internacionais

Desenvolvendo a qualidade em parcerias: a voz de um grupo de educadoras

Tese de Doutoramento em Estudos da Criança (Especialidade de Metodologia e Supervisão em Educação de Infância)

A importância da infografia no jornalismo e a sua utilização no Porto Canal

Relatório de estágio de mestrado em Ciências da Comunicação (área de especialização em Audiovisual e Multimédia)

A mediação sociofamiliar no âmbito do acolhimento residencial

A intervenção junto das famílias de crianças e jovens em contexto de acolhimento residencial visa o reforço das suas competências pessoais, familiares e sociais através de intervenções focalizadas e orientadas para a reunificação familiar. Tendo em consideração a complexidade do trabalho que deve ser desenvolvido junto destas famílias, na articulação dos seus sistemas envolventes (familiar, institucional e social), urge a necessidade de se criar condições que agilizem este processo de comunicação e interação. A mediação assume um papel importante neste processo, nomeadamente junto das famílias vulneráveis e socialmente em risco e/ou perigo e das diversas instituições intervenientes na institucionalização de crianças e jovens. Apresenta-se uma proposta de mediação sociofamiliar que visa o empoderamento das famílias, o fortalecimento dos laços familiares e a sua participação na construção de alternativas viáveis, responsáveis e duradouras, com vista à reunificação familiar das crianças e jovens em acolhimento residencial. A mediação sociofamiliar consiste num trabalho de facilitação da comunicação entre indivíduos da mesma família e os seus sistemas sociais e de proteção como forma de tornar mais próximas as suas relações e interações, essenciais ao equilibrado desenvolvimento das crianças e jovens e ao (re)estabelecimento dos laços afetivos no interior do sistema familiar.

Effect of hormonal changes on corneal biomechanical properties and anterior segment ocular perameters

Dissertação de mestrado em Optometria Avançada