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Flow of physiological fluids in microchannels: the sedimentation effect

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Resumo:Microfluidic devices are becoming one of the most promising new tools for diagnostic applications and treatment of several chronic diseases. Hence, it is increasingly importante to investigate the rheological behaviour of physiological fluids in microchannels.The main purpose of the presente experimental work is to investigate the flow of two different physiological fluids frequently used in microfluidic devices. The working fluids were physiological saline (PS) and dextran 40 (Dx40) containing about of 6% of sheep red blood cells (RBCs), respectively. The cappilaries were placed horizontally on slide glass and the flow rate of the working fluids was kept constant by using a syringe pump. By means of a camera the images were taken and transferred to the computer to be analysed. Generally, the results show that PS and Dx40 have different flow behaviour due to the sedimentation of RBCs.
Autores principais:Garcia, Valdemar
Outros Autores:Dias, Ricardo P.; Correia, Teresa Montenegro; Lima, Rui A.
Assunto:Flow of physiological fluids Microchannels Sedimentation Red blood cells
Ano:2010
País:Portugal
Tipo de documento:documento de conferência
Tipo de acesso:acesso aberto
Instituição associada:Instituto Politécnico de Bragança
Idioma:inglês
Origem:Biblioteca Digital do IPB

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