Magnetic actuation for microfluidics based on ferrofluid droplets

Nam-Trung Nguyen; Kon Meng Ng; Xiaoyang Huang

doi:10.1117/12.696494

8 January 2007 Magnetic actuation for microfluidics based on ferrofluid droplets

Nam-Trung Nguyen, Kon Meng Ng, Xiaoyang Huang

Proceedings Volume 6414, Smart Structures, Devices, and Systems III; 64140T (2007) https://doi.org/10.1117/12.696494
Event: SPIE Smart Materials, Nano- and Micro-Smart Systems, 2006, Adelaide, Australia

Abstract

In this paper, we report the dynamic behavior of a ferro fluid droplet in time-dependent magnetic fields. The magnetic field was generated by an array of planar coils, which were fabricated on a double-sided printed circuit board (PCB). The permanent magnetic moment of the ferro fluid droplet was created using the field of a pair of permanent magnets. The motion of the ferro fluid droplet is further aligned with the permanent magnetic field of a pair of planar coils. Two other in serial connected planar coils on the other side of the PCB displaces the droplet along a line. The direction of the droplet motion can be controlled by switching the electric current passing through them. Different paprameters affecting the motion of the ferro fluid droplet such as the droplet size, the viscosity of the surrounding medium, the electric current, and the switching frequency were investigated.

Citation Download Citation

Nam-Trung Nguyen, Kon Meng Ng, and Xiaoyang Huang "Magnetic actuation for microfluidics based on ferrofluid droplets", Proc. SPIE 6414, Smart Structures, Devices, and Systems III, 64140T (8 January 2007); https://doi.org/10.1117/12.696494

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available