IMR Press / FBS / Volume 5 / Issue 1 / DOI: 10.2741/S373

Frontiers in Bioscience-Scholar (FBS) is published by IMR Press from Volume 13 Issue 1 (2021). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on as a courtesy and upon agreement with Frontiers in Bioscience.

Micro segmented flow-functional elements and biotechnical applications
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1 Microfluidics Laboratory, CSIRO Materials Science and Engineering, Private Bag 33, Clayton South MDC, VIC 3168, Australia
2 Melbourne Centre for Nanofabrication, 151 Wellington Road, Clayton, Melbourne, Vic 3168, Australia
3 Swinbourne University of Technology, Hawthorne, Melbourne, Australia
4 Institute for Sustainability and Innovation, Victoria University, PO Box 14428, Melbourne 8001, Australia
5 Research School of Chemistry, Australian National University, ACT 0200, Australia
Front. Biosci. (Schol Ed) 2013, 5(1), 284–304;
Published: 1 January 2013

Microdroplets are widely used for industrial applications such as food, drug, biotechnology and new materials. This review will summarise the key development in microdrop technologies, especially double-emulsion droplet technologies, with a focus on microchip-based techniques. For completeness, the key topics in single emulsion droplets such as generation, control and application will be briefly presented first. Then the current microfluidic techniques for double emulsion generation will be reviewed. Several techniques for increasing the instability of double emulsions are discussed, followed by methods for measuring double emulsion properties such as stability, size and mass transfer between phases. Double emulsions have found use in many biomolecular applications that include drug delivery and protein engineering. A range of methods, e.g. liposomes, polymerosomes, polymer beads and colloidosomes-based emulsions, have been developed for drug delivery applications. The future work in the area would be the development of novel partition system that encloses the chemicals and biologicals effectively and novel control mechanism for advanced sorting and selection of droplets.

Double Emulsions
Directed Evolution
Protein Expression
Drug Delivery
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