Title :
CMOS/microfluidic Lab-on-chip for cells-based diagnostic tools
Author :
Sawan, M. ; Miled, M.A. ; Ghafar-Zadeh, E.
Author_Institution :
Dept. of Elec. Eng., Polytech. Montreal, Montréal, QC, Canada
fDate :
Aug. 31 2010-Sept. 4 2010
Abstract :
We describe in this paper cells sensing and manipulation methods, as well as platforms based on Lab-on-chip devices. Among other contributions, new circuit and microfluidic techniques, and packaging methods are proposed for efficient cells manipulation and detection. The proposed devices include high-sensitivity sensing circuits (200 mV/fF), low-pressure liquid injection interfaces (<;;0.65 psi), low-voltage manipulation signals, direct-write microfluidic fabrication technique on top of CMOS based capacitive sensors. In addition, several types of electrode arrays (square and L-shaped) are used for the manipulation of various types of cells and particles.
Keywords :
CMOS integrated circuits; bioMEMS; biological techniques; capacitive sensors; cellular biophysics; electrodes; lab-on-a-chip; microfabrication; microfluidics; microsensors; CMOS based capacitive sensors; cell detection; cell manipulation; cells-based diagnostic tools; direct-write fabrication technique; electrode arrays; high-sensitivity sensing circuits; lab-on-chip; low-pressure liquid injection interfaces; low-voltage manipulation signals; microfluidics; Computer architecture; Dielectrophoresis; Electrodes; Integrated circuit interconnections; Microfluidics; Packaging; Sensors; Biosensing Techniques; Cells; Diagnostic Techniques and Procedures; Dimethylpolysiloxanes; Electric Capacitance; Electrodes; Electronics, Medical; Electrophoresis; Metals; Microfluidic Analytical Techniques; Oxides; Pressure; Semiconductors;
Conference_Titel :
Engineering in Medicine and Biology Society (EMBC), 2010 Annual International Conference of the IEEE
Conference_Location :
Buenos Aires
Print_ISBN :
978-1-4244-4123-5
DOI :
10.1109/IEMBS.2010.5626464