The xurography is a technique that has been used to make molds to produce microchannels. In contrast to soft lithography [1, 2], xurography uses equipments and materials commonly used in the printing industry, such as cutting plotters, vinyl and other materials. The main advantage of this technique is to fabricate microchannels at a reduced cost [3, 4]. The Fahraeus-Lindqvist effect is a well know phenomenon t...
Human blood is a multiphase biofluid primarily composed by the deformable red blood cells (RBCs) suspended in plasma. Because the complex structure of RBCs, blood exhibits unique flow characteristics on micro-scale level, due to their complex biochemical mechanisms and their response to both shear and extensional flow, which influence the rheological properties and flow behaviour of blood [1,2]. In the past yea...
Blood exhibits unique flow characteristics on micro-scale level, due to the complex biochemical structure of Red Blood Cells (RBCs) and their response to both shear and extensional flow, which influence the rheological properties and flow behavior of blood [1,2]. In the past years, several in vitro studies where made and have revealed some physiologically significant phenomena, such as Fahraeus and Fahraeus-Lin...
Blood exhibits unique flow characteristics on micro-scale level, due to the complex biochemical structure of Red Blood Cells (RBCs) and their response to both shear and extensional flow, which influence the rheological properties and flow behavior of blood [1,2]. In the past years, several in vitro studies where made and have revealed some physiologically significant phenomena, such as Fahraeus and Fahraeus-Lin...
A agricultura urbana é um fenómeno generalizado em todo o mundo. Nas grandes cidades dos países em desenvolvimento e em épocas de crise económica nos países desenvolvidos, a criação de espaços para agricultura urbana tem sido um instrumento político de grande valor social que permite aumentar a segurança alimentar e mitigar a pobreza e o desemprego. Recentemente, têm surgido projetos de agricultura urbana em ci...
O projeto das hortas comunitárias do IPB desenvolvido desde 2011 pela Associação Cultural e Recreativa do Pessoal do Instituto Politécnico de Bragança (IPB), promove a prática de horticultura de lazer, privilegiando a agricultura biológica e sustentável, com o intuito de fomentar a convivência interpessoal e com a natureza, e a alimentação saudável dos seus utilizadores cuja origem geográfica e conhecimentos ag...
Trabalho de Projecto apresentado para cumprimento dos requisitos necessários à obtenção do grau de Mestre em Práticas Culturais para Municípios ; Neste trabalho procura-se realçar a importância da revisão dos modelos educativos actualmente vigentes nas escolas públicas portuguesas e a necessidade da adopção de modelos capazes de responder às exigências e características do mundo contemporâneo. Nos últimos anos...
CA88 is the first long nuclear repetitive DNA sequence identified in the blood fluke, Schistosoma mansoni. The assembled S. mansoni sequence, which contains the CA88 repeat, has 8,887 nucleotides and at least three repeat units of approximately 360 bp. In addition, CA88 also possesses an internal CA microsatellite, identified as SmBr18. Both PCR and BLAST analysis have been used to analyse and confirm the CA88 ...
Alocar também a:Teresa Montenegro Correia- ESA ; Recently, Lima et al. (1) has performed confocal micro-PIV measurements on the blood flow through straight PDMS microchannel. In the study they have observed that the formation of the cell free layer is enhanced as the cross section ratio increases. However, the cross section ratio is not the only parameter that contributes for the creation of the cell-free laye...
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