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Blood Plasma Separation Device using Capillary Phenomenon

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11 Author(s)
S. Khumpuang ; Graduate School of Science and Engineering, Ritsumeikan University, Shiga, JAPAN. Tel: +81-77-561-2775; E-mail: ; T. Tanaka ; F. Aita ; Z. Meng
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A microdevice for blood plasma separation using capillary phenomenon has been proposed in this work. Blood plasma can be separated by microcapillary channels fabricated by silicon bulk- micromachining process. The 2 times 3 cm2 device with 1 mm-thick consists of a silicon separation chip and a glass cover. The separation was relatively fast (less than 2 minutes) after a blood-drop (20 mul) was drawn into the channels until the flow stopped. The device was designed for collecting 1 mul of plasma. Due to the advantages in a small sample volume, no power consumption, made the device possible for a blood diagnosis on a chip which promises the applications in point-of-care testing (POCT).

Published in:

TRANSDUCERS 2007 - 2007 International Solid-State Sensors, Actuators and Microsystems Conference

Date of Conference:

10-14 June 2007