MEMS based blood plasma viscosity sensor without electrical connections

A MEMS based viscometer is reported. The device has a disposable cartridge and a reader. The cartridge contains microfluidic channels and a MEMS cantilever sensor. The reader contains the actuator and the readout optics and electronics. A unique feature of the system is that both the actuation and t...

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Bibliographic Details
Main Authors: Cakmak, Onur, Ermek, Erhan, Urey, Hakan, Yaralioglu, Goksenin G., Kilinc, Necmettin
Format: Conference Proceeding
Language:English
Subjects:
Blood
Liquids
Micromechanical devices
Plasmas
Pollution measurement
Temperature measurement
Viscosity
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Description
Summary:A MEMS based viscometer is reported. The device has a disposable cartridge and a reader. The cartridge contains microfluidic channels and a MEMS cantilever sensor. The reader contains the actuator and the readout optics and electronics. A unique feature of the system is that both the actuation and the sensing are remote; therefore, no electrical connections are required between the reader and the cartridge. The reported sensor is capable of measuring viscosity with better than 0.01 cP resolution in a range of 0.8-14.1 cP, with less than 50 μl sample requirement. This range and sensitivity are sufficient for blood plasma viscosity measurements, which are in between 1.1-1.3 cP for healthy individuals and can be elevated to 3cP in certain diseases[1].
ISSN:1930-0395
2168-9229
DOI:10.1109/ICSENS.2013.6688342