Development of a plasma separation system for a portable blood test device

Chiaki Kuroda, Yoshimichi Ohki, Hiroki Ashiba, Makoto Fujimaki, Koichi Awazu, Torahiko Tanaka, Makoto Makishima

    Research output: Contribution to journalArticle

    1 Citation (Scopus)

    Abstract

    Aiming at developing a portable and speedy blood test device, a microfluidic system is designed and developed. Blood is injected into a hole with a diameter of 3.0 mm and a height of 3.0 mm. When the blood sample is transported from the bottom to the top of the hole, blood cells sediment at the bottom and plasma is separated at the upper side. Using this system, approximately 1 μL pure plasma can be obtained when blood is injected at a flow rate of 0.70 μL/min for 15 minutes. Moreover, by retaining the blood in the hole for seven minutes, pure plasma can be obtained 11 minutes later.

    Original languageEnglish
    Pages (from-to)152-157
    Number of pages6
    JournalIEEJ Transactions on Sensors and Micromachines
    Volume135
    Issue number5
    DOIs
    Publication statusPublished - 2015 May 1

    Keywords

    • Biosensor
    • Blood test
    • Microfluidics
    • Plasma extraction
    • Sedimentation
    • Waveguide-mode

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering
    • Mechanical Engineering

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