| Interfacial rheology through microfluidics. | |
| | |
MedLine Citation:
|
PMID: 20799293 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
|
The bulk properties and structural characteristics of emulsions arise substantially from their interfacial rheology, which depends strongly on surfactant mass transfer and its coupling to flow. Typical methods used to measure such properties often employ simpler flows and larger drops than those encountered in typical processing applications. Mass transfer mechanisms are governed by droplet size; therefore experimentation at length scales typical of those encountered in applications is desired. Utilizing a microfluidic approach allows high-throughput experimentation at relevant length scales and with adjustable flow dynamics. Using a microfluidic device that facilitates the measurement of interfacial tension in two-phase droplet flows, particle tracers are also used to determine the droplet internal circulation velocity as a measure of interfacial mobility. Combining these measurements in a single device, the coupling between interfacial tension, interfacial retardation, and surfactant mass transfer is explored and mass transfer coefficients and interfacial mobility are measured for a two-phase system containing a diffusing surfactant. Such a device is also used to probe the deformability of elastic capsules and viscoelastic biological cells. |
| | |
Authors:
|
Jeffrey D Martin; Joie N Marhefka; Kalman B Migler; Steven D Hudson |
Related Documents
:
|
12594983 - Model and influence of mitral valve opening during the left ventricular filling. 21231673 - Self-induced transparency and electromagnetic pulse compression in a plasma or an elect... 21725443 - Yb:yag innoslab amplifier: efficient high repetition rate subpicosecond pumping system ... |
Publication Detail:
|
Type: Journal Article |
Journal Detail:
|
Title: Advanced materials (Deerfield Beach, Fla.) Volume: 23 ISSN: 1521-4095 ISO Abbreviation: Adv. Mater. Weinheim Publication Date: 2011 Jan |
Date Detail:
|
Created Date: 2011-01-04 Completed Date: - Revised Date: - |
Medline Journal Info:
|
Nlm Unique ID: 9885358 Medline TA: Adv Mater Country: Germany |
Other Details:
|
Languages: eng Pagination: 426-32 Citation Subset: IM |
Affiliation:
|
Complex Fluids Group, Polymers Division, National Institute of Standards and Technology, 100 Bureau Dr., Gaithersburg, MD 20899-8542, USA. jeffrey.martin@unilever.com |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
|
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Carbon nanotubes: measuring dispersion and length.
Next Document: Management of blunt injuries to the spleen.