Microfluidic capillary chip for plasma separation from whole blood in low dielectrophoresis force

What is it about?

Many microfluidic devices for plasma separation from human blood samples have attracted numerous researchers to develop for point-of-care medical health diagnosis in future. Here, we present a complete new phenomenon, a simple method, and an potential important application about plasma separation from human whole blood using the low-voltage noncontact dielectrophoresis and capillary microfluidic chip.

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Why is it important?

(1)Separation of plasma from undiluted whole blood. (2)Self-driven of the blood sample. (3)High efficient plasma separation, nearly 70% volume separated and high quality with nearly 90% red blood cells (RBCs) removed. (4)Very low voltage supplied, as low as 1.0 volt, being supplied by 1x AA portable battery. (5)Contactless of the electrodes to the blood sample. (6)Easy and simple method to manufacture the chip. (7)New phenomenon and identification study on aggregation of RBCs.