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Extensional flow-based microfluidic device: deformability assessment of red blo...
Faustino, Vera; Pinho, Diana; Yaginuma, T.; Calhelha, Ricardo C.; Ferreira, Isabel C.F.R.; Lima, R.Red blood cell (RBC) deformability has become one of the important factors to assess blood and cardiovascular diseases. The interest on blood studies have promoted a development of various microfluidic devices that treat and analyse blood cells. Recent years, besides the RBC deformability assessment, these devices are often applied to cancer cell detection and isolation from the whole blood. The devices for can...
Visualization and measurement of red blood cells flowing in microfluidic devices
Rodrigues, Raquel; Pinho, Diana; Faustino, Vera; Yaginuma, T.; Bento, David; Fernandes, Carla S.; Garcia, Valdemar; Lima, R.Several experimental techniques were performed in the past years using in vitro environments, in an attempt to not only understand the blood flow behaviour in microcirculation but also develop microfluidic devices as an alternative clinical methodology to detect blood diseases. Hence, the visualization and measurement of red blood cells (RBCs) flowing in a microfluidic device are important to provide not only e...
Flow of red blood cells through a microfluidic extensional device : an image an...
Yaginuma, T.; Pereira, Ana I.; Rodrigues, P. J.; Lima, R.; Oliveira, M.S. N.; Ishikawa, T.; Yamaguchi, T.The present study aims to assess the deformability of red blood cells (RBCs) under extensionally dominated microfluidic flows using an image based technique. For this purpose, a microchannel having a hyperbolic shaped-contraction was used and the images were captured by a standard high-speed microscopy system. The images acquired display RBCs with various light intensity levels and image analysis was used to qu...
Implementation of metadata for OmniPaper RDF prototype
Yaginuma, T.; Pereira, T.; Ariza Ávila, Cesar E.; Baptista, Ana AliceInformation Society Technologies (IST) funded OmniPaper project investigates efficient ways for access to distributed and heterogeneous digital news archives using state-of-the-art technologies such as RDF, XTM and SOAP. An approach taken is to create small prototypes based on each of them. This paper presents the first stage of the prototype development, particularly of RDF approach, including analysis on exis...
Design of metadata elements for digital news articles in the omnipaper project
Yaginuma, T.; Pereira, T.; Baptista, Ana AliceThis paper examines and proposes a set of metadata elements for describing digital news articles for the benefit of distributed and heterogeneous news resource discovery. Existing digital news description standards such as NITF and NewsML are analysed and compared with Dublin Core Metadata Element Set (DCMES), which results in that the use of Dublin Core is encouraged for interoperability of the resources. The ...
Omnipaper – Arquitectura de metadados e sua implementação no RDF gateway
Pereira, T.; Yaginuma, T.; Baptista, Ana AliceO projecto Omnipaper (Smart Access to European Newspapers) é um projecto do programa IST (Information Society Technologies) da comissão europeia, que visa fomentar um acesso comum a diferentes tipos de fontes de informação distribuída. Pretende-se chegar a um protótipo de um sistema que permita aos utilizadores (quer ocasionais, quer profissionais) um acesso estruturado, personalizado e multilíngua a todo o man...
Perfil da aplicação e esquema RDF dos elementos de metadados do projecto Omnipaper
Pereira, T.; Yaginuma, T.; Baptista, Ana AliceO projecto Omnipaper (Smart Access to European Newspapers) é um projecto do programa IST (Information Society Technologies) (IST-2001-32174) da comissão europeia, que visa promover o acesso distribuído a diferentes tipos de fontes de informação. Com este projecto, pretende-se desenvolver métodos que contribuam para melhorar significativamente o acesso multilíngua a recursos de informação distribuídos num ambien...
Metadata elements for digital news resource description
Yaginuma, T.; Pereira, T.; Baptista, Ana AliceThis paper examines and proposes a set of metadata elements for describing digital news articles for the benefit of distributed and heterogeneous news resource discovery. Existing digital news description standards such as NITF and NewsML are analysed and compared with Dublin Core Metadata Element Set (DCMES), which results in that the use of Dublin Core is encouraged for interoperability of the resources. The ...
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