A designed biosurfactant protein for switchable foam control

Middelberg, Anton P. J. and Dimitrijev-Dwyer, Mirjana (2011) A designed biosurfactant protein for switchable foam control. ChemPhysChem, 12 8: 1426-1429.


Author Middelberg, Anton P. J.
Dimitrijev-Dwyer, Mirjana
Title A designed biosurfactant protein for switchable foam control
Journal name ChemPhysChem   Check publisher's open access policy
ISSN 1439-4235
1439-7641
Publication date 2011-06-06
Sub-type Article (original research)
DOI 10.1002/cphc.201100082
Volume 12
Issue 8
Start page 1426
End page 1429
Total pages 4
Place of publication Weinheim, Germany
Publisher Wiley - V C H Verlag GmbH
Collection year 2012
Language eng
Formatted abstract Making and breaking foams: A facile method for foam control is reported using a designed biosurfactant. The new biosurfactant is based on a four-helix bundle design which is interfacially active across a broad pH range. At pH 8.5 stable foam forms, yet decreasing the pH to 7.5 causes rapid foam dissipation. This unique behaviour can be linked to subtle molecular and specific-ion effects which lead to switchable changes in the state of the foam thin film (see picture)
Keyword Surfactants
Foams
Proteins
Thin Films
Air-water-interface
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Thu, 08 Mar 2012, 16:10:50 EST by Anton Middelberg on behalf of Aust Institute for Bioengineering & Nanotechnology