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Sensors 2014, 14(4), 6952-6964; doi:10.3390/s140406952
Review

Applications of Micro/Nanoparticles in Microfluidic Sensors: A Review

1,* , 1
, 2
 and 2
1 College of Communication Engineering, Chongqing University, Chongqing 400044, China 2 Department of Physics, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong
* Author to whom correspondence should be addressed.
Received: 8 February 2014 / Revised: 4 April 2014 / Accepted: 10 April 2014 / Published: 21 April 2014
(This article belongs to the Special Issue On-Chip Sensors)
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Abstract

This paper reviews the applications of micro/nanoparticles in microfluidics device fabrication and analytical processing. In general, researchers have focused on two properties of particles—electric behavior and magnetic behavior. The applications of micro/nanoparticles could be summarized on the chip fabrication level and on the processing level. In the fabrication of microfluidic chips (chip fabrication level), particles are good additives in polydimethylsiloxane (PDMS) to prepare conductive or magnetic composites which have wide applications in sensors, valves and actuators. On the other hand, particles could be manipulated according to their electric and magnetic properties under external electric and magnetic fields when they are travelling in microchannels (processing level). Researchers have made a great progress in preparing modified PDMS and investigating the behaviors of particles in microchannels. This article attempts to present a discussion on the basis of particles applications in microfluidics.
Keywords: micro/nanoparticle; PDMS; microfluidic chip; electric property; magnetic property micro/nanoparticle; PDMS; microfluidic chip; electric property; magnetic property
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Jiang, Y.; Wang, H.; Li, S.; Wen, W. Applications of Micro/Nanoparticles in Microfluidic Sensors: A Review. Sensors 2014, 14, 6952-6964.

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