Os Media Participativos e a importância do Cidadão e da Instituição enquanto Marcas mobilizadoras na área da Oncologia

Present paper aims at surveying the relevance that brands and identities may have in participatory platforms in the context of oncology. Despite the fact that these platforms provide the same tools to citizens and institutions alike, their capacity for mobilization is distinct. In general, institutions seem to be more successful, although this is not always the case. Discussing the concept of brand and identity, as well as understanding how the differences between citizens and institutions may blur within the context of new media, may contribute to answering the above question. We anchor our analysis on the study of social network Facebook, oncological institutions and citizen support groups, and various health studies. The ultimate goal will be the clarification of the importance of brands and identity as a contributive factor towards new solutions in participatory media

Applying complex network theory to the understanding of high-aspect-ratio carbon-filled composites

This work demonstrates that the theoretical framework of complex networks typically used to study systems such as social networks or the World Wide Web can be also applied to material science, allowing deeper understanding of fundamental physical relationships. In particular, through the application of the network theory to carbon nanotubes or vapour-grown carbon nanofiber composites, by mapping fillers to vertices and edges to the gap between fillers, the percolation threshold has been predicted and a formula that relates the composite conductance to the network disorder has been obtained. The theoretical arguments are validated by experimental results from the literature.