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Issue 1, 2009
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Microfluidic emulsification and sorting assisted preparation of monodisperse chitosan microparticles

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Abstract

A microfluidic device for generating monodisperse chitosan microparticles and separating the desired particle from smaller particles created as a byproduct of this process was described. The purpose of this study is to separate the satellite droplets from their parent droplets to enhance the size uniformity of the desired microparticles. A double T-junction design was first employed to control the emulsification and the separation, respectively. The results show that the size and gap of the parent droplets are tunable by adjusting the water and oil flow rates. A separation ratio of the satellite droplets of more than 99% was observed. The proposed microfluidic chip is capable of generating relatively uniform micro-droplets with well controllable diameter, and it has the added advantages of being a simple, low cost, and high throughput process. In the future this apparatus can be used to fabricate size-controlled monodisperse microparticles to act as drug carriers for biotechnology and biomedicine applications.

Graphical abstract: Microfluidic emulsification and sorting assisted preparation of monodisperse chitosan microparticles

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Publication details

The article was received on 02 May 2008, accepted on 18 Aug 2008 and first published on 21 Oct 2008


Article type: Paper
DOI: 10.1039/B807454B
Citation: Lab Chip, 2009,9, 145-150
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    Microfluidic emulsification and sorting assisted preparation of monodisperse chitosan microparticles

    C. Yang, Y. Lin, K. Huang, Y. Huang, E. Wang, J. Jhong and C. Kuo, Lab Chip, 2009, 9, 145
    DOI: 10.1039/B807454B

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