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Article: Microfluidic fabrication of water-in-water (w/w) jets and emulsions

TitleMicrofluidic fabrication of water-in-water (w/w) jets and emulsions
Authors
Issue Date2012
PublisherAmerican Institute of Physics. The Journal's web site is located at http://bmf.aip.org
Citation
Biomicrofluidics, 2012, v. 6 n. 1, article no. 012808 How to Cite?
AbstractWe demonstrate the generation of water-in-water (w/w) jets and emulsions by combining droplet microfluidics and aqueous two-phase systems (ATPS). The application of ATPS in microfluidics has been hampered by the low interfacial tension between typical aqueous phases. The low tension makes it difficult to form w/w droplets with conventional droplet microfluidic approaches. We show that by mechanically perturbing a stable w/w jet, w/w emulsions can be prepared in a controlled and reproducible fashion. We also characterize the encapsulation ability of w/w emulsions and demonstrate that their encapsulation efficiency can be significantly enhanced by inducing formation of precipitates and gels at the w/w interfaces. Our work suggests a biologically and environmentally friendly platform for droplet microfluidics and establishes the potential of w/w droplet microfluidics for encapsulation-related applications. © 2012 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/157185
ISSN
2023 Impact Factor: 2.6
2023 SCImago Journal Rankings: 0.516
ISI Accession Number ID
Funding AgencyGrant Number
NSFDMR-1006546
Harvard MRSECDMR-0820484
University of Hong Kong201101159009
Funding Information:

This work was supported by the NSF (DMR-1006546), the Harvard MRSEC (DMR-0820484), and the Seed Funding Programme for Basic Research from the University of Hong Kong (201101159009).

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorShum, HCen_US
dc.contributor.authorVarnell, Jen_US
dc.contributor.authorWeitz, DAen_US
dc.date.accessioned2012-08-08T08:45:42Z-
dc.date.available2012-08-08T08:45:42Z-
dc.date.issued2012en_US
dc.identifier.citationBiomicrofluidics, 2012, v. 6 n. 1, article no. 012808-
dc.identifier.issn1932-1058en_US
dc.identifier.urihttp://hdl.handle.net/10722/157185-
dc.description.abstractWe demonstrate the generation of water-in-water (w/w) jets and emulsions by combining droplet microfluidics and aqueous two-phase systems (ATPS). The application of ATPS in microfluidics has been hampered by the low interfacial tension between typical aqueous phases. The low tension makes it difficult to form w/w droplets with conventional droplet microfluidic approaches. We show that by mechanically perturbing a stable w/w jet, w/w emulsions can be prepared in a controlled and reproducible fashion. We also characterize the encapsulation ability of w/w emulsions and demonstrate that their encapsulation efficiency can be significantly enhanced by inducing formation of precipitates and gels at the w/w interfaces. Our work suggests a biologically and environmentally friendly platform for droplet microfluidics and establishes the potential of w/w droplet microfluidics for encapsulation-related applications. © 2012 American Institute of Physics.en_US
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://bmf.aip.orgen_US
dc.relation.ispartofBiomicrofluidicsen_US
dc.rightsCopyright 2012 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Biomicrofluidics, 2012, v. 6 n. 1, article no. 012808 and may be found at https://doi.org/10.1063/1.3670365-
dc.titleMicrofluidic fabrication of water-in-water (w/w) jets and emulsionsen_US
dc.typeArticleen_US
dc.identifier.emailCheung Shum, H:ashum@hku.hken_US
dc.identifier.authorityCheung Shum, H=rp01439en_US
dc.description.naturepublished_or_final_versionen_US
dc.identifier.doi10.1063/1.3670365en_US
dc.identifier.scopuseid_2-s2.0-84859312980en_US
dc.identifier.hkuros207259-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84859312980&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume6en_US
dc.identifier.issue1en_US
dc.identifier.spagearticle no. 012808-
dc.identifier.epagearticle no. 012808-
dc.identifier.eissn1932-1058-
dc.identifier.isiWOS:000302301000010-
dc.publisher.placeUnited Statesen_US
dc.relation.projectSynthesis and assembly of small soft particles in capillary microfluidics-
dc.identifier.scopusauthoridCheung Shum, H=23976513800en_US
dc.identifier.scopusauthoridVarnell, J=55170485700en_US
dc.identifier.scopusauthoridWeitz, DA=55169969000en_US
dc.identifier.issnl1932-1058-

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