Programable microfluidic processor with pumping and coulometric detecting functions

Fumihiro Sassa; Y. Al-Zain; T. Ginoza; J. Fukuda; S. Miyazaki; H. Suzuki

doi:10.1109/TRANSDUCERS.2011.5969249

Programable microfluidic processor with pumping and coulometric detecting functions

Fumihiro Sassa, Y. Al-Zain, T. Ginoza, J. Fukuda, S. Miyazaki, H. Suzuki

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

An integrated microfluidic chip to handle liquid plugs of the nL order was fabricated. The chip consisted of a T-junction, shape memory alloy (SMA) micro plumps, and an electrochemical sensor. The weight of the chip including all the components was only 1.5 g. The device was operated by a computer control system connected to the chip. Driving voltage was less than 5 V. In the detection of an analyte using this chip, the volume of a sample solution was precisely measured at the T-junction, which was then separated into a liquid plug. The plug was subsequently transported to the electrochemical sensor. As a demonstration, the concentration of hydrogen peroxide was measured by coulometry. The measured charge was clearly dependent on the concentration of hydrogen peroxide.

Original language	English
Title of host publication	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages	2287-2290
Number of pages	4
DOIs	https://doi.org/10.1109/TRANSDUCERS.2011.5969249
Publication status	Published - 2011
Externally published	Yes
Event	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China Duration: Jun 5 2011 → Jun 9 2011

Other

Other	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country	China
City	Beijing
Period	6/5/11 → 6/9/11

All Science Journal Classification (ASJC) codes

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1109/TRANSDUCERS.2011.5969249

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Cite this

Sassa, F., Al-Zain, Y., Ginoza, T., Fukuda, J., Miyazaki, S., & Suzuki, H. (2011). Programable microfluidic processor with pumping and coulometric detecting functions. In 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 (pp. 2287-2290). [5969249] https://doi.org/10.1109/TRANSDUCERS.2011.5969249

Programable microfluidic processor with pumping and coulometric detecting functions. / Sassa, Fumihiro; Al-Zain, Y.; Ginoza, T.; Fukuda, J.; Miyazaki, S.; Suzuki, H.

2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11. 2011. p. 2287-2290 5969249.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sassa, F, Al-Zain, Y, Ginoza, T, Fukuda, J, Miyazaki, S & Suzuki, H 2011, Programable microfluidic processor with pumping and coulometric detecting functions. in 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11., 5969249, pp. 2287-2290, 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11, Beijing, China, 6/5/11. https://doi.org/10.1109/TRANSDUCERS.2011.5969249

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abstract = "An integrated microfluidic chip to handle liquid plugs of the nL order was fabricated. The chip consisted of a T-junction, shape memory alloy (SMA) micro plumps, and an electrochemical sensor. The weight of the chip including all the components was only 1.5 g. The device was operated by a computer control system connected to the chip. Driving voltage was less than 5 V. In the detection of an analyte using this chip, the volume of a sample solution was precisely measured at the T-junction, which was then separated into a liquid plug. The plug was subsequently transported to the electrochemical sensor. As a demonstration, the concentration of hydrogen peroxide was measured by coulometry. The measured charge was clearly dependent on the concentration of hydrogen peroxide.",

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