Nano Archive

Fast and continuous plasma extraction from whole human blood based on expanding cell-free layer devices

Sollier, Elodie and Cubizolles, Myriam and Fouillet, Yves and Achard, Jean-Luc (2010) Fast and continuous plasma extraction from whole human blood based on expanding cell-free layer devices. Biomedical Microdevices, 12 (3). pp. 485-497.

Full text is not hosted in this archive but may be available via the Official URL, or by requesting a copy from the corresponding author.

Official URL: http://www.springerlink.com/content/m47624j610070n...

Abstract

This paper presents promising microfluidic devices designed for continuous and passive extraction of plasma from whole human blood. These designs are based on red cells lateral migration and the resulting cell-free layer locally expanded by geometric singularities such as an enlargement of the channel or a cavity adjacent to the channel. After an explanation of flow patterns, different tests are described that confirm the advantages of both proposed singularities, providing a 1.5 and 2X increase in extraction yield compared to a reference device, for 1:20 diluted blood at 100 µL/min. Devices have also been successively optimized, with extraction yields up to 17.8%, and biologically validated for plasma extraction, with no protein loss or denaturation, no hemolysis and with excellent cell purity. Finally, the dilution effect has been experimentally investigated.

Item Type:Article
Uncontrolled Keywords:Plasma extraction - Cell-free layer - Singularities - Recirculation flows - Blood
Subjects:Biomedical Science > Nanobiotechnology
Biomedical Science > Nanotechnology for human health
Material Science > Bio materials
Biomedical Science > Nanomedicine
ID Code:8945
Deposited By:IoN
Deposited On:06 May 2010 15:31
Last Modified:06 May 2010 15:31

Repository Staff Only: item control page