40 documents found, page 1 of 4
Sustainable dyeing and functionalization of knitted cotton fabrics with algae e...
Oliveira, Helena S.; Santos, Joana; Ferreira, Tânia; Ribeiro, Artur; Silva, C.; Antunes, Joana C.; Bessa, João; Oliveira, Luís Miguel; Fangueiro, RaúlAlgae extracts have emerged as a sustainable and eco-friendly alternative to synthetic dyes and functional additives in the textile industry, particularly for dyeing and functionalizing of cotton fabrics. Herein, two types of water-soluble algae extracts from Arthrospira platensis and Porphyridium cruentum were characterized in terms of thermal, structural, and functional properties and used as dye and/or funct...
Durable and breathable ZnO/graphene-coated fabrics for enhanced BQR protection
Ferreira, Tânia; Vale, A. Catarina; Gonçalves, Afonso; Pinto, Alexandra C.; Sousa, Diana; Guimarães, Humberto; Moreira, Inês P.; Silva, CarlosThis work developed a new strategy to create active protection against chemical, biological, radiological and nuclear (CBRN) threats, based on polyurethane-based coatings for outer (water and oil-repellency) and inner (CBRN protection) functionalization of fabric. The internal coatings were functionalized with varying concentrations of zinc oxide nanoparticles (ZnO) and/or graphene nanoplatelets (Gf) and carefu...
Improving mmWave backhaul reliability: a machine-learning based approach
Ferreira, Tânia; Figueiredo, Alexandre; Raposo, Duarte; Luís, Miguel; Rito, Pedro; Sargento, SusanaWiGig technologies, such as IEEE 802.11ad and later IEEE 802.11ay, provide multi-gigabit short-range communication at 60 GHz for bandwidth-intensive applications. However, this band suffers from high propagation losses that can only be compensated using highly directional antennas, making millimeter-wave (mmWave) links susceptible to blockage and errors. This high sensitivity to blockage leads to unstable and u...
Comparison of zinc oxide nanoparticle integration into non-woven fabrics using ...
Ferreira, Tânia; Vale, Ana Catarina; Pinto, Alexandra C.; Costa, Rita V.; Pais, Vânia; Sousa, Diana; Gomes, Fernanda Isabel Antunes; Pinto, GraçaThe development of advanced facemasks stands out as a paramount priority in enhancing healthcare preparedness. In this work, different polypropylene non-woven fabrics (NWF) were characterised regarding their structural, physicochemical and comfort-related properties. The selected NWF for the intermediate layer was functionalised with zinc oxide nanoparticles (ZnO NPs) 0.3 and 1.2wt% using three different method...
Data science for Industry 4.0 and sustainability: a survey and analysis based o...
Castro, Hélio; Costa, Filipe; Ferreira, Tânia; Ávila, Paulo; Cruz-Cunha, Manuela; Ferreira, Luís; Putnik, Goran D.; Bastos, JoãoIn the last few years, the industrial, scientific, and technological fields have been subject to a revolutionary process of digitalization and automation called Industry 4.0. Its implementation has been successful mainly in the economic field of sustainability, while the environmental field has been gaining more attention from researchers recently. However, the social scope of Industry 4.0 is still somewhat neg...
Data Science for Industry 4.0 and Sustainability: A Survey and Analysis Based o...
Castro, Helio; Costa, Filipe; Ferreira, Tânia; Ávila, Paulo; Cruz-Cunha, Manuela; Ferreira, Luís; Putnik, Goran D.; Bastos, JoãoIn the last few years, the industrial, scientific, and technological fields have been subject to a revolutionary process of digitalization and automation called Industry 4.0. Its implementation has been successful mainly in the economic field of sustainability, while the environmental field has been gaining more attention from researchers recently. However, the social scope of Industry 4.0 is still somewhat neg...
Guia para a inclusão linguística de migrantes
Martins, Cristina; Ferreira, Tânia; Santos, Isabel; Pereira, Isabel; et al.Apresentação: Uma das palavras que melhor define a sociedade do século XXI é mobilidade. Esta mobilidade, inerente à condição humana, é atualmente um fenómeno multidimensional. Nas últimas décadas, a mobilidade humana sofreu transformações com o aumento do número de países de emissão e de receção e com a diversificação das causas que motivam as deslocações. A Europa é um reflexo desta realidade, uma vez que fat...
Multifunctional coated textiles for active biological protection
Antunes, Joana C.; Ferreira, Tânia; Arruda, Luisa M.; Sousa-Silva, M.; Gomes, Fernanda Isabel; Cunha, Fernando; Moreira, Inês P.; Henriques, MarianaThe rising threats to the worldwide security (military and civilian) attest the need to develop efficient and versatile technological solutions to protect the human being [...]
Boosting biomedical document classification through the use of domain entity re...
Pérez-Pérez, Martín; Ferreira, Tânia; Lourenço, Anália Maria Garcia; Igrejas, Gilberto; Fdez-Riverola, FlorentinoThe increasing number of scientific research documents published keeps growing at an unprecedented rate, making it increasingly difficult to access practical information within a target domain. This situation is motivating a growing interest in applying text mining techniques for the automatic processing of text resources to structure the information that helps researchers to find information of interest and in...
A pelagra em Portugal:: entre carência nutritiva e intoxicação alimentar
Ferreira, TâniaA melhoria das condições de vida nas últimas décadas, com reflexos numa alimentação mais diversificada e acessível às populações, permitiu erradicar algumas doenças originadas pela subnutrição, como é o caso da pelagra.Afeção nutricional provocada por um défice de vitamina B3 (niacina), de graves complicações a nível dermatológico, gastrointestinal e mental, atingia sobretudo as populações mais desfavorecidas, ...