13 documents found, page 1 of 2
Human–deer relations during late prehistory: The zooarchaeological data from ce...
Almeida, Nelson J.; Guinot, Catarina; Ribeiro, Inês; Barreira, João; Basílio, Ana CatarinaHuman–animal relations have been a fruitful research topic worldwide. The importance of deer in hunter–gatherer societies is undeniable, with cervids being commonly found in archaeological and past artistic records, with a notable amount of information recovered in the Iberian Peninsula. This relevance continues during Late Prehistory, but the attempt to discuss cervids under broader perspectives and based on d...
Personal adornments in West-Central Africa—the case study of a talc bead from t...
Costa, Mafalda; Barrulas, Pedro; Lopes, Maria da Conceição; Barreira, João; de Jesus, Maria da Piedade; da Silva Domingos, Sónia; Vandenabeele, PeterA mustard-gold-colored talc bead was recovered during the 2014 excavation campaign carried out in Lumbu (Mbanza Kongo, Angola) together with the nineteenth-century glass trade beads imported from Bohemia and Venice. Results from this multianalytical and minimally invasive study suggest that this bead may have been brought to the kingdom’s capital by means of an established intra-kingdom trade network or as an o...
Personal adornments in West‑Central Africa—the case study of a talc bead from t...
Costa, Mafalda; Barrulas, Pedro; Lopes, Maria da Conceição; Barreira, João; de Jesus, Maria da Piedade; da Silva Domingos, Sónia; Vandenabeele, PeterA mustard-gold-colored talc bead was recovered during the 2014 excavation campaign carried out in Lumbu (Mbanza Kongo, Angola) together with the nineteenth-century glass trade beads imported from Bohemia and Venice. Results from this multianalytical and minimally invasive study suggest that this bead may have been brought to the kingdom’s capital by means of an established intra-kingdom trade network or as an o...
Emotional processing difficulties scale-revised: preliminary psychometric study
Faustino, Bruno; Branco Vasco, António; Silva, Ana Nunes Da; Barreira, JoãoEmotional Processing Difficulties are a core construct from Emotion-Focused Therapy and a clinical target for differentiated psychotherapeutic tasks. The identification of these emotional difficulties is largely based on observation and clinical judgment. This study describes the first psychometric analysis of the Emotional Processing Difficulties Scale-Revised (EPDS-R). Exploratory Factor Analysis (EFA), relia...
Determining the provenance of the European glass beads of Lumbu (Mbanza Kongo, ...
Costa, Mafalda; Barrulas, Pedro; Dias, Luís; Lopes, Maria da Conceição; Barreira, João; Clist, Bernard; Karklins, Karlis; de Jesus, Maria da PiedadeA collection of glass beads found in Lumbu (Mbanza Kongo, Angola) were analyzed by means of a multi-analytical minimally invasive methodology, which included handheld X-ray fluorescence (hXRF), variable pressure scanning electron microscope coupled with energy dispersive X-ray spectrometry (VP-SEM-EDS), micro-Raman spectroscopy and laser ablation inductively coupled plasma mass spectrometry (LA-ICP-MS). Trace e...
Multi-analytical approach to the study of the European glass beads found in the...
Costa, Mafalda; Barrulas, Pedro; Dias, Luís; da Conceição Lopes, Maria; Barreira, João; Clist, Bernard; Karklins, Karlis; da Piedade de Jesus, MariaThe glass bead assemblages recovered during the 2014 excavations of the ruins of Kulumbimbi located in Mbanza Kongo (Angola) were analyzed by means of a multi-analytical minimally invasive methodology, which includes handheld X-ray fluorescence (hXRF), variable pressure scanning electron microscope coupled with energy dispersive X-ray spectrometry (VP-SEM-EDS), micro-Raman spectroscopy and laser ablation induct...
Caso dermatológico
Adrião, Mariana; Sarmento, João; Barreira, JoãoO Edema Hemorrágico Agudo da Infância (EHAI) é uma vasculite leucocitoclástica de pequenos vasos que geralmente ocorre entre os 4 e os 24 meses. Carateriza-se por lesões purpúricas de distribuição característica e edema das extremidades. Descreve-se o caso clínico de uma criança de 18 meses trazida ao Serviço de Urgência por lesões púrpuricas distribuidas aos membros e face com cerca de 12 horas de evolução. P...
Testing diffusion of cosmic rays in the heliosphere with proton and helium data...
Tomassetti, Nicola; Barão, Fernando; Bertucci, Bruna; Fiandrini, Emanuele; Figueiredo, José; Barreira, João; Orcinha, MiguelAfter six years of continuous observations in space, the Alpha Magnetic Spectrometer experiment has released new data on the temporal evolution of the proton and helium fluxes in cosmic rays. These data revealed that the ratio between proton and helium fluxes at the same value of rigidity $R=p/Z$ (momentum/charge ratio) is not constant at $R\lesssim$ 3 GV. In particular, the ratio is found to decrease steadily ...
A context-aware method for authentically simulating outdoors shadows for mobile...
Barreira, João; Bessa, Maximino; Barbosa, Luís; Magalhães, Luís Gonzaga MendesVisual coherence between virtual and real objects is a major issue in creating convincing augmented reality (AR) applications. To achieve this seamless integration, actual light conditions must be determined in real time to ensure that virtual objects are correctly illuminated and cast consistent shadows. In this paper, we propose a novel method to estimate daylight illumination and use this information in outd...
Cytotoxicity and antibacterial activity of polar extracts obtained from saffron...
Barreira, João; Costa, C.; Branquinho, R.; Rebelo, J.M.; Bessa, M.J.; Peixe, L.; Teixeira, J.P.; Oliveira, M.B.P.P.Saffron (Crocus sativus L.) flower comprises six purple tepals, three yellow stamens and a white filiform style ending in a stigma with three threads, which represents less than 10% (w/w) of the flower weight. However, the stigma is the dominant reason to farm/harvest saffron, since it represents the most valued spice (after being dried). Interesting large amounts of floral bio-residues are produced and wasted ...