alexa Flow Fields during Formation of W/O and O/W Emulsions u
ISSN: 2153-0777

Journal of Bioengineering and Bioelectronics
Open Access

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Research Article

Flow Fields during Formation of W/O and O/W Emulsions using μPIV

Shazia Bashir1,2*, Muhammad Bashir3, Julia M Rees1 and Willam B Zimmerman4
1School of Mathematics and Statistics, University of Sheffeld, Hicks Building, Hounsfeld Road, Sheffeld, S3 7RH, UK
2Department of Physics and Applied Mathematics, Pakistan Institute of Engineering and Applied Sciences, P.O. Nilore, Islamabad, Pakistan
3Department of Physics, COMSATS Institute of Information and Technology, Islamabad, Pakistan
4Department of Chemical and Biological Engineering, University of Sheffeld, Newcastle Street, Sheffeld, S1 3JD, UK
Corresponding Author : Shazia Bashir
School of Mathematics and Statistics,University of Sheffeld
Hicks Building, Hounsfield Road, Sheffeld, S3 7RH, UK
Tel: +92-51-220-738
E-mail: [email protected]
Received: December 09, 2015; Accepted: January 08, 2016; Published: January 23, 2016
Citation: Bashir S, Bashir M, Rees JM, Zimmerman WB (2016) Flow Fields during Formation of W/O and O/W Emulsions using μPIV. J Biochips Tiss Chips 5:113. doi:10.4172/2153-0777.1000113
Copyright: © 2016 Bashir S, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
 

Abstract

The current work investigates two phase flow visualization in a micro channel using micron resolution particle image velocimetry (μPIV). Droplets of both oil-in-water and water-in-oil emulsions were generated in a T-shaped PDMS micro fluidic device and the corresponding flow fields were measured down-stream in the divergent section of the device. The oil-in-water emulsions were formed in a hydrophilically modified PDMS micro channel using plasma polymerization of acrylic acid. To obtain the velocity fields in both types of emulsions, fluorescent particles of 0.86 m size were added into the dispersed water phase in the case of water-in-oil emulsions, and in the continuous water phase in the case of oil-in-water emulsions. The phenomena of flow behavior within the droplets and around the droplets were investigated in detail in a diverging micro channel

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